Merge branch 'blender2.7'

This commit is contained in:
Jeroen Bakker
2019-02-20 15:22:23 +01:00
15 changed files with 1677 additions and 2117 deletions

View File

@@ -1927,8 +1927,7 @@ class CYCLES_RENDER_PT_debug(CyclesButtonsPanel, Panel):
col.separator()
col = layout.column()
col.label(text="OpenCL Flags:")
col.prop(cscene, "debug_opencl_kernel_type", text="Kernel")
col.label(text='OpenCL Flags:')
col.prop(cscene, "debug_opencl_device_type", text="Device")
col.prop(cscene, "debug_opencl_kernel_single_program", text="Single Program")
col.prop(cscene, "debug_use_opencl_debug", text="Debug")

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@@ -67,7 +67,6 @@ bool debug_flags_sync_from_scene(BL::Scene b_scene)
PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
/* Backup some settings for comparison. */
DebugFlags::OpenCL::DeviceType opencl_device_type = flags.opencl.device_type;
DebugFlags::OpenCL::KernelType opencl_kernel_type = flags.opencl.kernel_type;
/* Synchronize shared flags. */
flags.viewport_static_bvh = get_enum(cscene, "debug_bvh_type");
/* Synchronize CPU flags. */
@@ -81,18 +80,6 @@ bool debug_flags_sync_from_scene(BL::Scene b_scene)
/* Synchronize CUDA flags. */
flags.cuda.adaptive_compile = get_boolean(cscene, "debug_use_cuda_adaptive_compile");
flags.cuda.split_kernel = get_boolean(cscene, "debug_use_cuda_split_kernel");
/* Synchronize OpenCL kernel type. */
switch(get_enum(cscene, "debug_opencl_kernel_type")) {
case 0:
flags.opencl.kernel_type = DebugFlags::OpenCL::KERNEL_DEFAULT;
break;
case 1:
flags.opencl.kernel_type = DebugFlags::OpenCL::KERNEL_MEGA;
break;
case 2:
flags.opencl.kernel_type = DebugFlags::OpenCL::KERNEL_SPLIT;
break;
}
/* Synchronize OpenCL device type. */
switch(get_enum(cscene, "debug_opencl_device_type")) {
case 0:
@@ -118,8 +105,7 @@ bool debug_flags_sync_from_scene(BL::Scene b_scene)
flags.opencl.debug = get_boolean(cscene, "debug_use_opencl_debug");
flags.opencl.mem_limit = ((size_t)get_int(cscene, "debug_opencl_mem_limit"))*1024*1024;
flags.opencl.single_program = get_boolean(cscene, "debug_opencl_kernel_single_program");
return flags.opencl.device_type != opencl_device_type ||
flags.opencl.kernel_type != opencl_kernel_type;
return flags.opencl.device_type != opencl_device_type;
}
/* Reset debug flags to default values.
@@ -130,10 +116,8 @@ bool debug_flags_reset()
DebugFlagsRef flags = DebugFlags();
/* Backup some settings for comparison. */
DebugFlags::OpenCL::DeviceType opencl_device_type = flags.opencl.device_type;
DebugFlags::OpenCL::KernelType opencl_kernel_type = flags.opencl.kernel_type;
flags.reset();
return flags.opencl.device_type != opencl_device_type ||
flags.opencl.kernel_type != opencl_kernel_type;
return flags.opencl.device_type != opencl_device_type;
}
} /* namespace */

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@@ -37,8 +37,6 @@ set(SRC_OPENCL
opencl/opencl.h
opencl/memory_manager.h
opencl/opencl_base.cpp
opencl/opencl_mega.cpp
opencl/opencl_split.cpp
opencl/opencl_util.cpp
opencl/memory_manager.cpp

View File

@@ -29,19 +29,7 @@ CCL_NAMESPACE_BEGIN
Device *device_opencl_create(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background)
{
vector<OpenCLPlatformDevice> usable_devices;
OpenCLInfo::get_usable_devices(&usable_devices);
assert(info.num < usable_devices.size());
const OpenCLPlatformDevice& platform_device = usable_devices[info.num];
const string& platform_name = platform_device.platform_name;
const cl_device_type device_type = platform_device.device_type;
if(OpenCLInfo::kernel_use_split(platform_name, device_type)) {
VLOG(1) << "Using split kernel.";
return opencl_create_split_device(info, stats, profiler, background);
} else {
VLOG(1) << "Using mega kernel.";
return opencl_create_mega_device(info, stats, profiler, background);
}
return opencl_create_split_device(info, stats, profiler, background);
}
bool device_opencl_init()
@@ -111,7 +99,6 @@ void device_opencl_info(vector<DeviceInfo>& devices)
foreach(OpenCLPlatformDevice& platform_device, usable_devices) {
/* Compute unique ID for persistent user preferences. */
const string& platform_name = platform_device.platform_name;
const cl_device_type device_type = platform_device.device_type;
const string& device_name = platform_device.device_name;
string hardware_id = platform_device.hardware_id;
if(hardware_id == "") {
@@ -133,8 +120,7 @@ void device_opencl_info(vector<DeviceInfo>& devices)
/* We don't know if it's used for display, but assume it is. */
info.display_device = true;
info.advanced_shading = OpenCLInfo::kernel_use_advanced_shading(platform_name);
info.use_split_kernel = OpenCLInfo::kernel_use_split(platform_name,
device_type);
info.use_split_kernel = true;
info.has_volume_decoupled = false;
info.id = id;

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@@ -28,7 +28,7 @@ void MemoryManager::DeviceBuffer::add_allocation(Allocation& allocation)
allocations.push_back(&allocation);
}
void MemoryManager::DeviceBuffer::update_device_memory(OpenCLDeviceBase *device)
void MemoryManager::DeviceBuffer::update_device_memory(OpenCLDevice *device)
{
bool need_realloc = false;
@@ -142,7 +142,7 @@ void MemoryManager::DeviceBuffer::update_device_memory(OpenCLDeviceBase *device)
clFinish(device->cqCommandQueue);
}
void MemoryManager::DeviceBuffer::free(OpenCLDeviceBase *)
void MemoryManager::DeviceBuffer::free(OpenCLDevice *)
{
buffer->free();
}
@@ -160,7 +160,7 @@ MemoryManager::DeviceBuffer* MemoryManager::smallest_device_buffer()
return smallest;
}
MemoryManager::MemoryManager(OpenCLDeviceBase *device)
MemoryManager::MemoryManager(OpenCLDevice *device)
: device(device), need_update(false)
{
foreach(DeviceBuffer& device_buffer, device_buffers) {

View File

@@ -26,7 +26,7 @@
CCL_NAMESPACE_BEGIN
class OpenCLDeviceBase;
class OpenCLDevice;
class MemoryManager {
public:
@@ -73,12 +73,12 @@ private:
void add_allocation(Allocation& allocation);
void update_device_memory(OpenCLDeviceBase *device);
void update_device_memory(OpenCLDevice *device);
void free(OpenCLDeviceBase *device);
void free(OpenCLDevice *device);
};
OpenCLDeviceBase *device;
OpenCLDevice *device;
DeviceBuffer device_buffers[NUM_DEVICE_BUFFERS];
@@ -90,7 +90,7 @@ private:
DeviceBuffer* smallest_device_buffer();
public:
MemoryManager(OpenCLDeviceBase *device);
MemoryManager(OpenCLDevice *device);
void free(); /* Free all memory. */

View File

@@ -18,6 +18,7 @@
#include "device/device.h"
#include "device/device_denoising.h"
#include "device/device_split_kernel.h"
#include "util/util_map.h"
#include "util/util_param.h"
@@ -84,8 +85,6 @@ public:
static cl_device_type device_type();
static bool use_debug();
static bool kernel_use_advanced_shading(const string& platform_name);
static bool kernel_use_split(const string& platform_name,
const cl_device_type device_type);
static bool device_supported(const string& platform_name,
const cl_device_id device_id);
static bool platform_version_check(cl_platform_id platform,
@@ -259,7 +258,7 @@ public:
} \
} (void) 0
class OpenCLDeviceBase : public Device
class OpenCLDevice : public Device
{
public:
DedicatedTaskPool task_pool;
@@ -273,7 +272,7 @@ public:
class OpenCLProgram {
public:
OpenCLProgram() : loaded(false), program(NULL), device(NULL) {}
OpenCLProgram(OpenCLDeviceBase *device,
OpenCLProgram(OpenCLDevice *device,
const string& program_name,
const string& kernel_name,
const string& kernel_build_options,
@@ -311,7 +310,7 @@ public:
bool loaded;
cl_program program;
OpenCLDeviceBase *device;
OpenCLDevice *device;
/* Used for the OpenCLCache key. */
string program_name;
@@ -325,6 +324,32 @@ public:
map<ustring, cl_kernel> kernels;
};
DeviceSplitKernel *split_kernel;
OpenCLProgram program_data_init;
OpenCLProgram program_state_buffer_size;
OpenCLProgram program_split;
OpenCLProgram program_path_init;
OpenCLProgram program_scene_intersect;
OpenCLProgram program_lamp_emission;
OpenCLProgram program_do_volume;
OpenCLProgram program_queue_enqueue;
OpenCLProgram program_indirect_background;
OpenCLProgram program_shader_setup;
OpenCLProgram program_shader_sort;
OpenCLProgram program_shader_eval;
OpenCLProgram program_holdout_emission_blurring_pathtermination_ao;
OpenCLProgram program_subsurface_scatter;
OpenCLProgram program_direct_lighting;
OpenCLProgram program_shadow_blocked_ao;
OpenCLProgram program_shadow_blocked_dl;
OpenCLProgram program_enqueue_inactive;
OpenCLProgram program_next_iteration_setup;
OpenCLProgram program_indirect_subsurface;
OpenCLProgram program_buffer_update;
OpenCLProgram base_program;
OpenCLProgram bake_program;
OpenCLProgram displace_program;
@@ -346,8 +371,8 @@ public:
void opencl_error(const string& message);
void opencl_assert_err(cl_int err, const char* where);
OpenCLDeviceBase(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background_);
~OpenCLDeviceBase();
OpenCLDevice(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background_);
~OpenCLDevice();
static void CL_CALLBACK context_notify_callback(const char *err_info,
const void * /*private_info*/, size_t /*cb*/, void *user_data);
@@ -355,17 +380,14 @@ public:
bool opencl_version_check();
string device_md5_hash(string kernel_custom_build_options = "");
virtual bool load_kernels(const DeviceRequestedFeatures& requested_features);
/* Has to be implemented by the real device classes.
* The base device will then load all these programs. */
virtual bool add_kernel_programs(const DeviceRequestedFeatures& requested_features,
vector<OpenCLProgram*> &programs) = 0;
bool load_kernels(const DeviceRequestedFeatures& requested_features);
/* Get the name of the opencl program for the given kernel */
virtual const string get_opencl_program_name(bool single_program, const string& kernel_name) = 0;
const string get_opencl_program_name(bool single_program, const string& kernel_name);
/* Get the program file name to compile (*.cl) for the given kernel */
virtual const string get_opencl_program_filename(bool single_program, const string& kernel_name) = 0;
const string get_opencl_program_filename(bool single_program, const string& kernel_name);
string get_build_options(const DeviceRequestedFeatures& requested_features);
string get_build_options_for_bake(const DeviceRequestedFeatures& requested_features);
void mem_alloc(device_memory& mem);
void mem_copy_to(device_memory& mem);
@@ -393,10 +415,10 @@ public:
class OpenCLDeviceTask : public DeviceTask {
public:
OpenCLDeviceTask(OpenCLDeviceBase *device, DeviceTask& task)
OpenCLDeviceTask(OpenCLDevice *device, DeviceTask& task)
: DeviceTask(task)
{
run = function_bind(&OpenCLDeviceBase::thread_run,
run = function_bind(&OpenCLDevice::thread_run,
device,
this);
}
@@ -422,9 +444,16 @@ public:
task_pool.cancel();
}
virtual void thread_run(DeviceTask * /*task*/) = 0;
void thread_run(DeviceTask *task);
virtual BVHLayoutMask get_bvh_layout_mask() const {
return BVH_LAYOUT_BVH2;
}
virtual bool show_samples() const {
return true;
}
virtual bool is_split_kernel() = 0;
protected:
string kernel_build_options(const string *debug_src = NULL);
@@ -566,18 +595,15 @@ protected:
/* ** Those guys are for workign around some compiler-specific bugs ** */
virtual cl_program load_cached_kernel(
cl_program load_cached_kernel(
ustring key,
thread_scoped_lock& cache_locker);
virtual void store_cached_kernel(
void store_cached_kernel(
cl_program program,
ustring key,
thread_scoped_lock& cache_locker);
virtual string build_options_for_bake_program(
const DeviceRequestedFeatures& /*requested_features*/);
private:
MemoryManager memory_manager;
friend class MemoryManager;
@@ -592,9 +618,11 @@ private:
protected:
void flush_texture_buffers();
friend class OpenCLSplitKernel;
friend class OpenCLSplitKernelFunction;
};
Device *opencl_create_mega_device(DeviceInfo& info, Stats& stats, Profiler &profiler, bool background);
Device *opencl_create_split_device(DeviceInfo& info, Stats& stats, Profiler &profiler, bool background);
CCL_NAMESPACE_END

View File

@@ -1,1422 +0,0 @@
/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef WITH_OPENCL
#include "device/opencl/opencl.h"
#include "kernel/kernel_types.h"
#include "util/util_algorithm.h"
#include "util/util_debug.h"
#include "util/util_foreach.h"
#include "util/util_logging.h"
#include "util/util_md5.h"
#include "util/util_path.h"
#include "util/util_time.h"
CCL_NAMESPACE_BEGIN
struct texture_slot_t {
texture_slot_t(const string& name, int slot)
: name(name),
slot(slot) {
}
string name;
int slot;
};
bool OpenCLDeviceBase::opencl_error(cl_int err)
{
if(err != CL_SUCCESS) {
string message = string_printf("OpenCL error (%d): %s", err, clewErrorString(err));
if(error_msg == "")
error_msg = message;
fprintf(stderr, "%s\n", message.c_str());
return true;
}
return false;
}
void OpenCLDeviceBase::opencl_error(const string& message)
{
if(error_msg == "")
error_msg = message;
fprintf(stderr, "%s\n", message.c_str());
}
void OpenCLDeviceBase::opencl_assert_err(cl_int err, const char* where)
{
if(err != CL_SUCCESS) {
string message = string_printf("OpenCL error (%d): %s in %s", err, clewErrorString(err), where);
if(error_msg == "")
error_msg = message;
fprintf(stderr, "%s\n", message.c_str());
#ifndef NDEBUG
abort();
#endif
}
}
OpenCLDeviceBase::OpenCLDeviceBase(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background_)
: Device(info, stats, profiler, background_),
memory_manager(this),
texture_info(this, "__texture_info", MEM_TEXTURE)
{
cpPlatform = NULL;
cdDevice = NULL;
cxContext = NULL;
cqCommandQueue = NULL;
null_mem = 0;
device_initialized = false;
textures_need_update = true;
vector<OpenCLPlatformDevice> usable_devices;
OpenCLInfo::get_usable_devices(&usable_devices);
if(usable_devices.size() == 0) {
opencl_error("OpenCL: no devices found.");
return;
}
assert(info.num < usable_devices.size());
OpenCLPlatformDevice& platform_device = usable_devices[info.num];
device_num = info.num;
cpPlatform = platform_device.platform_id;
cdDevice = platform_device.device_id;
platform_name = platform_device.platform_name;
device_name = platform_device.device_name;
VLOG(2) << "Creating new Cycles device for OpenCL platform "
<< platform_name << ", device "
<< device_name << ".";
{
/* try to use cached context */
thread_scoped_lock cache_locker;
cxContext = OpenCLCache::get_context(cpPlatform, cdDevice, cache_locker);
if(cxContext == NULL) {
/* create context properties array to specify platform */
const cl_context_properties context_props[] = {
CL_CONTEXT_PLATFORM, (cl_context_properties)cpPlatform,
0, 0
};
/* create context */
cxContext = clCreateContext(context_props, 1, &cdDevice,
context_notify_callback, cdDevice, &ciErr);
if(opencl_error(ciErr)) {
opencl_error("OpenCL: clCreateContext failed");
return;
}
/* cache it */
OpenCLCache::store_context(cpPlatform, cdDevice, cxContext, cache_locker);
}
}
cqCommandQueue = clCreateCommandQueue(cxContext, cdDevice, 0, &ciErr);
if(opencl_error(ciErr)) {
opencl_error("OpenCL: Error creating command queue");
return;
}
null_mem = (device_ptr)clCreateBuffer(cxContext, CL_MEM_READ_ONLY, 1, NULL, &ciErr);
if(opencl_error(ciErr)) {
opencl_error("OpenCL: Error creating memory buffer for NULL");
return;
}
/* Allocate this right away so that texture_info is placed at offset 0 in the device memory buffers */
texture_info.resize(1);
memory_manager.alloc("texture_info", texture_info);
device_initialized = true;
}
OpenCLDeviceBase::~OpenCLDeviceBase()
{
task_pool.stop();
memory_manager.free();
if(null_mem)
clReleaseMemObject(CL_MEM_PTR(null_mem));
ConstMemMap::iterator mt;
for(mt = const_mem_map.begin(); mt != const_mem_map.end(); mt++) {
delete mt->second;
}
base_program.release();
bake_program.release();
displace_program.release();
background_program.release();
if(cqCommandQueue)
clReleaseCommandQueue(cqCommandQueue);
if(cxContext)
clReleaseContext(cxContext);
}
void CL_CALLBACK OpenCLDeviceBase::context_notify_callback(const char *err_info,
const void * /*private_info*/, size_t /*cb*/, void *user_data)
{
string device_name = OpenCLInfo::get_device_name((cl_device_id)user_data);
fprintf(stderr, "OpenCL error (%s): %s\n", device_name.c_str(), err_info);
}
bool OpenCLDeviceBase::opencl_version_check()
{
string error;
if(!OpenCLInfo::platform_version_check(cpPlatform, &error)) {
opencl_error(error);
return false;
}
if(!OpenCLInfo::device_version_check(cdDevice, &error)) {
opencl_error(error);
return false;
}
return true;
}
string OpenCLDeviceBase::device_md5_hash(string kernel_custom_build_options)
{
MD5Hash md5;
char version[256], driver[256], name[256], vendor[256];
clGetPlatformInfo(cpPlatform, CL_PLATFORM_VENDOR, sizeof(vendor), &vendor, NULL);
clGetDeviceInfo(cdDevice, CL_DEVICE_VERSION, sizeof(version), &version, NULL);
clGetDeviceInfo(cdDevice, CL_DEVICE_NAME, sizeof(name), &name, NULL);
clGetDeviceInfo(cdDevice, CL_DRIVER_VERSION, sizeof(driver), &driver, NULL);
md5.append((uint8_t*)vendor, strlen(vendor));
md5.append((uint8_t*)version, strlen(version));
md5.append((uint8_t*)name, strlen(name));
md5.append((uint8_t*)driver, strlen(driver));
string options = kernel_build_options();
options += kernel_custom_build_options;
md5.append((uint8_t*)options.c_str(), options.size());
return md5.get_hex();
}
bool OpenCLDeviceBase::load_kernels(const DeviceRequestedFeatures& requested_features)
{
VLOG(2) << "Loading kernels for platform " << platform_name
<< ", device " << device_name << ".";
/* Verify if device was initialized. */
if(!device_initialized) {
fprintf(stderr, "OpenCL: failed to initialize device.\n");
return false;
}
/* Verify we have right opencl version. */
if(!opencl_version_check())
return false;
base_program = OpenCLProgram(this, "base", "kernel.cl", "");
base_program.add_kernel(ustring("convert_to_byte"));
base_program.add_kernel(ustring("convert_to_half_float"));
base_program.add_kernel(ustring("zero_buffer"));
bake_program = OpenCLProgram(this, "bake", "kernel_bake.cl", build_options_for_bake_program(requested_features));
bake_program.add_kernel(ustring("bake"));
displace_program = OpenCLProgram(this, "displace", "kernel_displace.cl", build_options_for_bake_program(requested_features));
displace_program.add_kernel(ustring("displace"));
background_program = OpenCLProgram(this, "background", "kernel_background.cl", build_options_for_bake_program(requested_features));
background_program.add_kernel(ustring("background"));
denoising_program = OpenCLProgram(this, "denoising", "filter.cl", "");
denoising_program.add_kernel(ustring("filter_divide_shadow"));
denoising_program.add_kernel(ustring("filter_get_feature"));
denoising_program.add_kernel(ustring("filter_detect_outliers"));
denoising_program.add_kernel(ustring("filter_combine_halves"));
denoising_program.add_kernel(ustring("filter_construct_transform"));
denoising_program.add_kernel(ustring("filter_nlm_calc_difference"));
denoising_program.add_kernel(ustring("filter_nlm_blur"));
denoising_program.add_kernel(ustring("filter_nlm_calc_weight"));
denoising_program.add_kernel(ustring("filter_nlm_update_output"));
denoising_program.add_kernel(ustring("filter_nlm_normalize"));
denoising_program.add_kernel(ustring("filter_nlm_construct_gramian"));
denoising_program.add_kernel(ustring("filter_finalize"));
vector<OpenCLProgram*> programs;
programs.push_back(&bake_program);
programs.push_back(&displace_program);
programs.push_back(&background_program);
/* Call actual class to fill the vector with its programs. */
if(!add_kernel_programs(requested_features, programs)) {
return false;
}
programs.push_back(&base_program);
programs.push_back(&denoising_program);
/* Parallel compilation of Cycles kernels, this launches multiple
* processes to workaround OpenCL frameworks serializing the calls
* internally within a single process. */
TaskPool task_pool;
foreach(OpenCLProgram *program, programs) {
task_pool.push(function_bind(&OpenCLProgram::load, program));
}
task_pool.wait_work();
foreach(OpenCLProgram *program, programs) {
VLOG(2) << program->get_log();
if(!program->is_loaded()) {
program->report_error();
return false;
}
}
return true;
}
void OpenCLDeviceBase::mem_alloc(device_memory& mem)
{
if(mem.name) {
VLOG(1) << "Buffer allocate: " << mem.name << ", "
<< string_human_readable_number(mem.memory_size()) << " bytes. ("
<< string_human_readable_size(mem.memory_size()) << ")";
}
size_t size = mem.memory_size();
/* check there is enough memory available for the allocation */
cl_ulong max_alloc_size = 0;
clGetDeviceInfo(cdDevice, CL_DEVICE_MAX_MEM_ALLOC_SIZE, sizeof(cl_ulong), &max_alloc_size, NULL);
if(DebugFlags().opencl.mem_limit) {
max_alloc_size = min(max_alloc_size,
cl_ulong(DebugFlags().opencl.mem_limit - stats.mem_used));
}
if(size > max_alloc_size) {
string error = "Scene too complex to fit in available memory.";
if(mem.name != NULL) {
error += string_printf(" (allocating buffer %s failed.)", mem.name);
}
set_error(error);
return;
}
cl_mem_flags mem_flag;
void *mem_ptr = NULL;
if(mem.type == MEM_READ_ONLY || mem.type == MEM_TEXTURE)
mem_flag = CL_MEM_READ_ONLY;
else
mem_flag = CL_MEM_READ_WRITE;
/* Zero-size allocation might be invoked by render, but not really
* supported by OpenCL. Using NULL as device pointer also doesn't really
* work for some reason, so for the time being we'll use special case
* will null_mem buffer.
*/
if(size != 0) {
mem.device_pointer = (device_ptr)clCreateBuffer(cxContext,
mem_flag,
size,
mem_ptr,
&ciErr);
opencl_assert_err(ciErr, "clCreateBuffer");
}
else {
mem.device_pointer = null_mem;
}
stats.mem_alloc(size);
mem.device_size = size;
}
void OpenCLDeviceBase::mem_copy_to(device_memory& mem)
{
if(mem.type == MEM_TEXTURE) {
tex_free(mem);
tex_alloc(mem);
}
else {
if(!mem.device_pointer) {
mem_alloc(mem);
}
/* this is blocking */
size_t size = mem.memory_size();
if(size != 0) {
opencl_assert(clEnqueueWriteBuffer(cqCommandQueue,
CL_MEM_PTR(mem.device_pointer),
CL_TRUE,
0,
size,
mem.host_pointer,
0,
NULL, NULL));
}
}
}
void OpenCLDeviceBase::mem_copy_from(device_memory& mem, int y, int w, int h, int elem)
{
size_t offset = elem*y*w;
size_t size = elem*w*h;
assert(size != 0);
opencl_assert(clEnqueueReadBuffer(cqCommandQueue,
CL_MEM_PTR(mem.device_pointer),
CL_TRUE,
offset,
size,
(uchar*)mem.host_pointer + offset,
0,
NULL, NULL));
}
void OpenCLDeviceBase::mem_zero_kernel(device_ptr mem, size_t size)
{
cl_kernel ckZeroBuffer = base_program(ustring("zero_buffer"));
size_t global_size[] = {1024, 1024};
size_t num_threads = global_size[0] * global_size[1];
cl_mem d_buffer = CL_MEM_PTR(mem);
cl_ulong d_offset = 0;
cl_ulong d_size = 0;
while(d_offset < size) {
d_size = std::min<cl_ulong>(num_threads*sizeof(float4), size - d_offset);
kernel_set_args(ckZeroBuffer, 0, d_buffer, d_size, d_offset);
ciErr = clEnqueueNDRangeKernel(cqCommandQueue,
ckZeroBuffer,
2,
NULL,
global_size,
NULL,
0,
NULL,
NULL);
opencl_assert_err(ciErr, "clEnqueueNDRangeKernel");
d_offset += d_size;
}
}
void OpenCLDeviceBase::mem_zero(device_memory& mem)
{
if(!mem.device_pointer) {
mem_alloc(mem);
}
if(mem.device_pointer) {
if(base_program.is_loaded()) {
mem_zero_kernel(mem.device_pointer, mem.memory_size());
}
if(mem.host_pointer) {
memset(mem.host_pointer, 0, mem.memory_size());
}
if(!base_program.is_loaded()) {
void* zero = mem.host_pointer;
if(!mem.host_pointer) {
zero = util_aligned_malloc(mem.memory_size(), 16);
memset(zero, 0, mem.memory_size());
}
opencl_assert(clEnqueueWriteBuffer(cqCommandQueue,
CL_MEM_PTR(mem.device_pointer),
CL_TRUE,
0,
mem.memory_size(),
zero,
0,
NULL, NULL));
if(!mem.host_pointer) {
util_aligned_free(zero);
}
}
}
}
void OpenCLDeviceBase::mem_free(device_memory& mem)
{
if(mem.type == MEM_TEXTURE) {
tex_free(mem);
}
else {
if(mem.device_pointer) {
if(mem.device_pointer != null_mem) {
opencl_assert(clReleaseMemObject(CL_MEM_PTR(mem.device_pointer)));
}
mem.device_pointer = 0;
stats.mem_free(mem.device_size);
mem.device_size = 0;
}
}
}
int OpenCLDeviceBase::mem_sub_ptr_alignment()
{
return OpenCLInfo::mem_sub_ptr_alignment(cdDevice);
}
device_ptr OpenCLDeviceBase::mem_alloc_sub_ptr(device_memory& mem, int offset, int size)
{
cl_mem_flags mem_flag;
if(mem.type == MEM_READ_ONLY || mem.type == MEM_TEXTURE)
mem_flag = CL_MEM_READ_ONLY;
else
mem_flag = CL_MEM_READ_WRITE;
cl_buffer_region info;
info.origin = mem.memory_elements_size(offset);
info.size = mem.memory_elements_size(size);
device_ptr sub_buf = (device_ptr) clCreateSubBuffer(CL_MEM_PTR(mem.device_pointer),
mem_flag,
CL_BUFFER_CREATE_TYPE_REGION,
&info,
&ciErr);
opencl_assert_err(ciErr, "clCreateSubBuffer");
return sub_buf;
}
void OpenCLDeviceBase::mem_free_sub_ptr(device_ptr device_pointer)
{
if(device_pointer && device_pointer != null_mem) {
opencl_assert(clReleaseMemObject(CL_MEM_PTR(device_pointer)));
}
}
void OpenCLDeviceBase::const_copy_to(const char *name, void *host, size_t size)
{
ConstMemMap::iterator i = const_mem_map.find(name);
device_vector<uchar> *data;
if(i == const_mem_map.end()) {
data = new device_vector<uchar>(this, name, MEM_READ_ONLY);
data->alloc(size);
const_mem_map.insert(ConstMemMap::value_type(name, data));
}
else {
data = i->second;
}
memcpy(data->data(), host, size);
data->copy_to_device();
}
void OpenCLDeviceBase::tex_alloc(device_memory& mem)
{
VLOG(1) << "Texture allocate: " << mem.name << ", "
<< string_human_readable_number(mem.memory_size()) << " bytes. ("
<< string_human_readable_size(mem.memory_size()) << ")";
memory_manager.alloc(mem.name, mem);
/* Set the pointer to non-null to keep code that inspects its value from thinking its unallocated. */
mem.device_pointer = 1;
textures[mem.name] = &mem;
textures_need_update = true;
}
void OpenCLDeviceBase::tex_free(device_memory& mem)
{
if(mem.device_pointer) {
mem.device_pointer = 0;
if(memory_manager.free(mem)) {
textures_need_update = true;
}
foreach(TexturesMap::value_type& value, textures) {
if(value.second == &mem) {
textures.erase(value.first);
break;
}
}
}
}
size_t OpenCLDeviceBase::global_size_round_up(int group_size, int global_size)
{
int r = global_size % group_size;
return global_size + ((r == 0)? 0: group_size - r);
}
void OpenCLDeviceBase::enqueue_kernel(cl_kernel kernel, size_t w, size_t h, bool x_workgroups, size_t max_workgroup_size)
{
size_t workgroup_size, max_work_items[3];
clGetKernelWorkGroupInfo(kernel, cdDevice,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &workgroup_size, NULL);
clGetDeviceInfo(cdDevice,
CL_DEVICE_MAX_WORK_ITEM_SIZES, sizeof(size_t)*3, max_work_items, NULL);
if(max_workgroup_size > 0 && workgroup_size > max_workgroup_size) {
workgroup_size = max_workgroup_size;
}
/* Try to divide evenly over 2 dimensions. */
size_t local_size[2];
if(x_workgroups) {
local_size[0] = workgroup_size;
local_size[1] = 1;
}
else {
size_t sqrt_workgroup_size = max((size_t)sqrt((double)workgroup_size), 1);
local_size[0] = local_size[1] = sqrt_workgroup_size;
}
/* Some implementations have max size 1 on 2nd dimension. */
if(local_size[1] > max_work_items[1]) {
local_size[0] = workgroup_size/max_work_items[1];
local_size[1] = max_work_items[1];
}
size_t global_size[2] = {global_size_round_up(local_size[0], w),
global_size_round_up(local_size[1], h)};
/* Vertical size of 1 is coming from bake/shade kernels where we should
* not round anything up because otherwise we'll either be doing too
* much work per pixel (if we don't check global ID on Y axis) or will
* be checking for global ID to always have Y of 0.
*/
if(h == 1) {
global_size[h] = 1;
}
/* run kernel */
opencl_assert(clEnqueueNDRangeKernel(cqCommandQueue, kernel, 2, NULL, global_size, NULL, 0, NULL, NULL));
opencl_assert(clFlush(cqCommandQueue));
}
void OpenCLDeviceBase::set_kernel_arg_mem(cl_kernel kernel, cl_uint *narg, const char *name)
{
cl_mem ptr;
MemMap::iterator i = mem_map.find(name);
if(i != mem_map.end()) {
ptr = CL_MEM_PTR(i->second);
}
else {
/* work around NULL not working, even though the spec says otherwise */
ptr = CL_MEM_PTR(null_mem);
}
opencl_assert(clSetKernelArg(kernel, (*narg)++, sizeof(ptr), (void*)&ptr));
}
void OpenCLDeviceBase::set_kernel_arg_buffers(cl_kernel kernel, cl_uint *narg)
{
flush_texture_buffers();
memory_manager.set_kernel_arg_buffers(kernel, narg);
}
void OpenCLDeviceBase::flush_texture_buffers()
{
if(!textures_need_update) {
return;
}
textures_need_update = false;
/* Setup slots for textures. */
int num_slots = 0;
vector<texture_slot_t> texture_slots;
#define KERNEL_TEX(type, name) \
if(textures.find(#name) != textures.end()) { \
texture_slots.push_back(texture_slot_t(#name, num_slots)); \
} \
num_slots++;
#include "kernel/kernel_textures.h"
int num_data_slots = num_slots;
foreach(TexturesMap::value_type& tex, textures) {
string name = tex.first;
if(string_startswith(name, "__tex_image")) {
int pos = name.rfind("_");
int id = atoi(name.data() + pos + 1);
texture_slots.push_back(texture_slot_t(name,
num_data_slots + id));
num_slots = max(num_slots, num_data_slots + id + 1);
}
}
/* Realloc texture descriptors buffer. */
memory_manager.free(texture_info);
texture_info.resize(num_slots);
memory_manager.alloc("texture_info", texture_info);
/* Fill in descriptors */
foreach(texture_slot_t& slot, texture_slots) {
TextureInfo& info = texture_info[slot.slot];
MemoryManager::BufferDescriptor desc = memory_manager.get_descriptor(slot.name);
info.data = desc.offset;
info.cl_buffer = desc.device_buffer;
if(string_startswith(slot.name, "__tex_image")) {
device_memory *mem = textures[slot.name];
info.width = mem->data_width;
info.height = mem->data_height;
info.depth = mem->data_depth;
info.interpolation = mem->interpolation;
info.extension = mem->extension;
}
}
/* Force write of descriptors. */
memory_manager.free(texture_info);
memory_manager.alloc("texture_info", texture_info);
}
void OpenCLDeviceBase::film_convert(DeviceTask& task, device_ptr buffer, device_ptr rgba_byte, device_ptr rgba_half)
{
/* cast arguments to cl types */
cl_mem d_data = CL_MEM_PTR(const_mem_map["__data"]->device_pointer);
cl_mem d_rgba = (rgba_byte)? CL_MEM_PTR(rgba_byte): CL_MEM_PTR(rgba_half);
cl_mem d_buffer = CL_MEM_PTR(buffer);
cl_int d_x = task.x;
cl_int d_y = task.y;
cl_int d_w = task.w;
cl_int d_h = task.h;
cl_float d_sample_scale = 1.0f/(task.sample + 1);
cl_int d_offset = task.offset;
cl_int d_stride = task.stride;
cl_kernel ckFilmConvertKernel = (rgba_byte)? base_program(ustring("convert_to_byte")): base_program(ustring("convert_to_half_float"));
cl_uint start_arg_index =
kernel_set_args(ckFilmConvertKernel,
0,
d_data,
d_rgba,
d_buffer);
set_kernel_arg_buffers(ckFilmConvertKernel, &start_arg_index);
start_arg_index += kernel_set_args(ckFilmConvertKernel,
start_arg_index,
d_sample_scale,
d_x,
d_y,
d_w,
d_h,
d_offset,
d_stride);
enqueue_kernel(ckFilmConvertKernel, d_w, d_h);
}
bool OpenCLDeviceBase::denoising_non_local_means(device_ptr image_ptr,
device_ptr guide_ptr,
device_ptr variance_ptr,
device_ptr out_ptr,
DenoisingTask *task)
{
int stride = task->buffer.stride;
int w = task->buffer.width;
int h = task->buffer.h;
int r = task->nlm_state.r;
int f = task->nlm_state.f;
float a = task->nlm_state.a;
float k_2 = task->nlm_state.k_2;
int pass_stride = task->buffer.pass_stride;
int num_shifts = (2*r+1)*(2*r+1);
int channel_offset = task->nlm_state.is_color? task->buffer.pass_stride : 0;
device_sub_ptr difference(task->buffer.temporary_mem, 0, pass_stride*num_shifts);
device_sub_ptr blurDifference(task->buffer.temporary_mem, pass_stride*num_shifts, pass_stride*num_shifts);
device_sub_ptr weightAccum(task->buffer.temporary_mem, 2*pass_stride*num_shifts, pass_stride);
cl_mem weightAccum_mem = CL_MEM_PTR(*weightAccum);
cl_mem difference_mem = CL_MEM_PTR(*difference);
cl_mem blurDifference_mem = CL_MEM_PTR(*blurDifference);
cl_mem image_mem = CL_MEM_PTR(image_ptr);
cl_mem guide_mem = CL_MEM_PTR(guide_ptr);
cl_mem variance_mem = CL_MEM_PTR(variance_ptr);
cl_mem out_mem = CL_MEM_PTR(out_ptr);
cl_mem scale_mem = NULL;
mem_zero_kernel(*weightAccum, sizeof(float)*pass_stride);
mem_zero_kernel(out_ptr, sizeof(float)*pass_stride);
cl_kernel ckNLMCalcDifference = denoising_program(ustring("filter_nlm_calc_difference"));
cl_kernel ckNLMBlur = denoising_program(ustring("filter_nlm_blur"));
cl_kernel ckNLMCalcWeight = denoising_program(ustring("filter_nlm_calc_weight"));
cl_kernel ckNLMUpdateOutput = denoising_program(ustring("filter_nlm_update_output"));
cl_kernel ckNLMNormalize = denoising_program(ustring("filter_nlm_normalize"));
kernel_set_args(ckNLMCalcDifference, 0,
guide_mem,
variance_mem,
scale_mem,
difference_mem,
w, h, stride,
pass_stride,
r, channel_offset,
0, a, k_2);
kernel_set_args(ckNLMBlur, 0,
difference_mem,
blurDifference_mem,
w, h, stride,
pass_stride,
r, f);
kernel_set_args(ckNLMCalcWeight, 0,
blurDifference_mem,
difference_mem,
w, h, stride,
pass_stride,
r, f);
kernel_set_args(ckNLMUpdateOutput, 0,
blurDifference_mem,
image_mem,
out_mem,
weightAccum_mem,
w, h, stride,
pass_stride,
channel_offset,
r, f);
enqueue_kernel(ckNLMCalcDifference, w*h, num_shifts, true);
enqueue_kernel(ckNLMBlur, w*h, num_shifts, true);
enqueue_kernel(ckNLMCalcWeight, w*h, num_shifts, true);
enqueue_kernel(ckNLMBlur, w*h, num_shifts, true);
enqueue_kernel(ckNLMUpdateOutput, w*h, num_shifts, true);
kernel_set_args(ckNLMNormalize, 0,
out_mem, weightAccum_mem, w, h, stride);
enqueue_kernel(ckNLMNormalize, w, h);
return true;
}
bool OpenCLDeviceBase::denoising_construct_transform(DenoisingTask *task)
{
cl_mem buffer_mem = CL_MEM_PTR(task->buffer.mem.device_pointer);
cl_mem transform_mem = CL_MEM_PTR(task->storage.transform.device_pointer);
cl_mem rank_mem = CL_MEM_PTR(task->storage.rank.device_pointer);
cl_mem tile_info_mem = CL_MEM_PTR(task->tile_info_mem.device_pointer);
char use_time = task->buffer.use_time? 1 : 0;
cl_kernel ckFilterConstructTransform = denoising_program(ustring("filter_construct_transform"));
int arg_ofs = kernel_set_args(ckFilterConstructTransform, 0,
buffer_mem,
tile_info_mem);
cl_mem buffers[9];
for(int i = 0; i < 9; i++) {
buffers[i] = CL_MEM_PTR(task->tile_info->buffers[i]);
arg_ofs += kernel_set_args(ckFilterConstructTransform,
arg_ofs,
buffers[i]);
}
kernel_set_args(ckFilterConstructTransform,
arg_ofs,
transform_mem,
rank_mem,
task->filter_area,
task->rect,
task->buffer.pass_stride,
task->buffer.frame_stride,
use_time,
task->radius,
task->pca_threshold);
enqueue_kernel(ckFilterConstructTransform,
task->storage.w,
task->storage.h,
256);
return true;
}
bool OpenCLDeviceBase::denoising_accumulate(device_ptr color_ptr,
device_ptr color_variance_ptr,
device_ptr scale_ptr,
int frame,
DenoisingTask *task)
{
cl_mem color_mem = CL_MEM_PTR(color_ptr);
cl_mem color_variance_mem = CL_MEM_PTR(color_variance_ptr);
cl_mem scale_mem = CL_MEM_PTR(scale_ptr);
cl_mem buffer_mem = CL_MEM_PTR(task->buffer.mem.device_pointer);
cl_mem transform_mem = CL_MEM_PTR(task->storage.transform.device_pointer);
cl_mem rank_mem = CL_MEM_PTR(task->storage.rank.device_pointer);
cl_mem XtWX_mem = CL_MEM_PTR(task->storage.XtWX.device_pointer);
cl_mem XtWY_mem = CL_MEM_PTR(task->storage.XtWY.device_pointer);
cl_kernel ckNLMCalcDifference = denoising_program(ustring("filter_nlm_calc_difference"));
cl_kernel ckNLMBlur = denoising_program(ustring("filter_nlm_blur"));
cl_kernel ckNLMCalcWeight = denoising_program(ustring("filter_nlm_calc_weight"));
cl_kernel ckNLMConstructGramian = denoising_program(ustring("filter_nlm_construct_gramian"));
int w = task->reconstruction_state.source_w;
int h = task->reconstruction_state.source_h;
int stride = task->buffer.stride;
int frame_offset = frame * task->buffer.frame_stride;
int t = task->tile_info->frames[frame];
char use_time = task->buffer.use_time? 1 : 0;
int r = task->radius;
int pass_stride = task->buffer.pass_stride;
int num_shifts = (2*r+1)*(2*r+1);
device_sub_ptr difference(task->buffer.temporary_mem, 0, pass_stride*num_shifts);
device_sub_ptr blurDifference(task->buffer.temporary_mem, pass_stride*num_shifts, pass_stride*num_shifts);
cl_mem difference_mem = CL_MEM_PTR(*difference);
cl_mem blurDifference_mem = CL_MEM_PTR(*blurDifference);
kernel_set_args(ckNLMCalcDifference, 0,
color_mem,
color_variance_mem,
scale_mem,
difference_mem,
w, h, stride,
pass_stride,
r,
pass_stride,
frame_offset,
1.0f, task->nlm_k_2);
kernel_set_args(ckNLMBlur, 0,
difference_mem,
blurDifference_mem,
w, h, stride,
pass_stride,
r, 4);
kernel_set_args(ckNLMCalcWeight, 0,
blurDifference_mem,
difference_mem,
w, h, stride,
pass_stride,
r, 4);
kernel_set_args(ckNLMConstructGramian, 0,
t,
blurDifference_mem,
buffer_mem,
transform_mem,
rank_mem,
XtWX_mem,
XtWY_mem,
task->reconstruction_state.filter_window,
w, h, stride,
pass_stride,
r, 4,
frame_offset,
use_time);
enqueue_kernel(ckNLMCalcDifference, w*h, num_shifts, true);
enqueue_kernel(ckNLMBlur, w*h, num_shifts, true);
enqueue_kernel(ckNLMCalcWeight, w*h, num_shifts, true);
enqueue_kernel(ckNLMBlur, w*h, num_shifts, true);
enqueue_kernel(ckNLMConstructGramian, w*h, num_shifts, true, 256);
return true;
}
bool OpenCLDeviceBase::denoising_solve(device_ptr output_ptr,
DenoisingTask *task)
{
cl_kernel ckFinalize = denoising_program(ustring("filter_finalize"));
cl_mem output_mem = CL_MEM_PTR(output_ptr);
cl_mem rank_mem = CL_MEM_PTR(task->storage.rank.device_pointer);
cl_mem XtWX_mem = CL_MEM_PTR(task->storage.XtWX.device_pointer);
cl_mem XtWY_mem = CL_MEM_PTR(task->storage.XtWY.device_pointer);
int w = task->reconstruction_state.source_w;
int h = task->reconstruction_state.source_h;
kernel_set_args(ckFinalize, 0,
output_mem,
rank_mem,
XtWX_mem,
XtWY_mem,
task->filter_area,
task->reconstruction_state.buffer_params,
task->render_buffer.samples);
enqueue_kernel(ckFinalize, w, h);
return true;
}
bool OpenCLDeviceBase::denoising_combine_halves(device_ptr a_ptr,
device_ptr b_ptr,
device_ptr mean_ptr,
device_ptr variance_ptr,
int r, int4 rect,
DenoisingTask *task)
{
cl_mem a_mem = CL_MEM_PTR(a_ptr);
cl_mem b_mem = CL_MEM_PTR(b_ptr);
cl_mem mean_mem = CL_MEM_PTR(mean_ptr);
cl_mem variance_mem = CL_MEM_PTR(variance_ptr);
cl_kernel ckFilterCombineHalves = denoising_program(ustring("filter_combine_halves"));
kernel_set_args(ckFilterCombineHalves, 0,
mean_mem,
variance_mem,
a_mem,
b_mem,
rect,
r);
enqueue_kernel(ckFilterCombineHalves,
task->rect.z-task->rect.x,
task->rect.w-task->rect.y);
return true;
}
bool OpenCLDeviceBase::denoising_divide_shadow(device_ptr a_ptr,
device_ptr b_ptr,
device_ptr sample_variance_ptr,
device_ptr sv_variance_ptr,
device_ptr buffer_variance_ptr,
DenoisingTask *task)
{
cl_mem a_mem = CL_MEM_PTR(a_ptr);
cl_mem b_mem = CL_MEM_PTR(b_ptr);
cl_mem sample_variance_mem = CL_MEM_PTR(sample_variance_ptr);
cl_mem sv_variance_mem = CL_MEM_PTR(sv_variance_ptr);
cl_mem buffer_variance_mem = CL_MEM_PTR(buffer_variance_ptr);
cl_mem tile_info_mem = CL_MEM_PTR(task->tile_info_mem.device_pointer);
cl_kernel ckFilterDivideShadow = denoising_program(ustring("filter_divide_shadow"));
int arg_ofs = kernel_set_args(ckFilterDivideShadow, 0,
task->render_buffer.samples,
tile_info_mem);
cl_mem buffers[9];
for(int i = 0; i < 9; i++) {
buffers[i] = CL_MEM_PTR(task->tile_info->buffers[i]);
arg_ofs += kernel_set_args(ckFilterDivideShadow, arg_ofs,
buffers[i]);
}
kernel_set_args(ckFilterDivideShadow, arg_ofs,
a_mem,
b_mem,
sample_variance_mem,
sv_variance_mem,
buffer_variance_mem,
task->rect,
task->render_buffer.pass_stride,
task->render_buffer.offset);
enqueue_kernel(ckFilterDivideShadow,
task->rect.z-task->rect.x,
task->rect.w-task->rect.y);
return true;
}
bool OpenCLDeviceBase::denoising_get_feature(int mean_offset,
int variance_offset,
device_ptr mean_ptr,
device_ptr variance_ptr,
float scale,
DenoisingTask *task)
{
cl_mem mean_mem = CL_MEM_PTR(mean_ptr);
cl_mem variance_mem = CL_MEM_PTR(variance_ptr);
cl_mem tile_info_mem = CL_MEM_PTR(task->tile_info_mem.device_pointer);
cl_kernel ckFilterGetFeature = denoising_program(ustring("filter_get_feature"));
int arg_ofs = kernel_set_args(ckFilterGetFeature, 0,
task->render_buffer.samples,
tile_info_mem);
cl_mem buffers[9];
for(int i = 0; i < 9; i++) {
buffers[i] = CL_MEM_PTR(task->tile_info->buffers[i]);
arg_ofs += kernel_set_args(ckFilterGetFeature, arg_ofs,
buffers[i]);
}
kernel_set_args(ckFilterGetFeature, arg_ofs,
mean_offset,
variance_offset,
mean_mem,
variance_mem,
scale,
task->rect,
task->render_buffer.pass_stride,
task->render_buffer.offset);
enqueue_kernel(ckFilterGetFeature,
task->rect.z-task->rect.x,
task->rect.w-task->rect.y);
return true;
}
bool OpenCLDeviceBase::denoising_write_feature(int out_offset,
device_ptr from_ptr,
device_ptr buffer_ptr,
DenoisingTask *task)
{
cl_mem from_mem = CL_MEM_PTR(from_ptr);
cl_mem buffer_mem = CL_MEM_PTR(buffer_ptr);
cl_kernel ckFilterWriteFeature = denoising_program(ustring("filter_write_feature"));
kernel_set_args(ckFilterWriteFeature, 0,
task->render_buffer.samples,
task->reconstruction_state.buffer_params,
task->filter_area,
from_mem,
buffer_mem,
out_offset,
task->rect);
enqueue_kernel(ckFilterWriteFeature,
task->filter_area.z,
task->filter_area.w);
return true;
}
bool OpenCLDeviceBase::denoising_detect_outliers(device_ptr image_ptr,
device_ptr variance_ptr,
device_ptr depth_ptr,
device_ptr output_ptr,
DenoisingTask *task)
{
cl_mem image_mem = CL_MEM_PTR(image_ptr);
cl_mem variance_mem = CL_MEM_PTR(variance_ptr);
cl_mem depth_mem = CL_MEM_PTR(depth_ptr);
cl_mem output_mem = CL_MEM_PTR(output_ptr);
cl_kernel ckFilterDetectOutliers = denoising_program(ustring("filter_detect_outliers"));
kernel_set_args(ckFilterDetectOutliers, 0,
image_mem,
variance_mem,
depth_mem,
output_mem,
task->rect,
task->buffer.pass_stride);
enqueue_kernel(ckFilterDetectOutliers,
task->rect.z-task->rect.x,
task->rect.w-task->rect.y);
return true;
}
void OpenCLDeviceBase::denoise(RenderTile &rtile, DenoisingTask& denoising)
{
denoising.functions.construct_transform = function_bind(&OpenCLDeviceBase::denoising_construct_transform, this, &denoising);
denoising.functions.accumulate = function_bind(&OpenCLDeviceBase::denoising_accumulate, this, _1, _2, _3, _4, &denoising);
denoising.functions.solve = function_bind(&OpenCLDeviceBase::denoising_solve, this, _1, &denoising);
denoising.functions.divide_shadow = function_bind(&OpenCLDeviceBase::denoising_divide_shadow, this, _1, _2, _3, _4, _5, &denoising);
denoising.functions.non_local_means = function_bind(&OpenCLDeviceBase::denoising_non_local_means, this, _1, _2, _3, _4, &denoising);
denoising.functions.combine_halves = function_bind(&OpenCLDeviceBase::denoising_combine_halves, this, _1, _2, _3, _4, _5, _6, &denoising);
denoising.functions.get_feature = function_bind(&OpenCLDeviceBase::denoising_get_feature, this, _1, _2, _3, _4, _5, &denoising);
denoising.functions.write_feature = function_bind(&OpenCLDeviceBase::denoising_write_feature, this, _1, _2, _3, &denoising);
denoising.functions.detect_outliers = function_bind(&OpenCLDeviceBase::denoising_detect_outliers, this, _1, _2, _3, _4, &denoising);
denoising.filter_area = make_int4(rtile.x, rtile.y, rtile.w, rtile.h);
denoising.render_buffer.samples = rtile.sample;
denoising.buffer.gpu_temporary_mem = true;
denoising.run_denoising(&rtile);
}
void OpenCLDeviceBase::shader(DeviceTask& task)
{
/* cast arguments to cl types */
cl_mem d_data = CL_MEM_PTR(const_mem_map["__data"]->device_pointer);
cl_mem d_input = CL_MEM_PTR(task.shader_input);
cl_mem d_output = CL_MEM_PTR(task.shader_output);
cl_int d_shader_eval_type = task.shader_eval_type;
cl_int d_shader_filter = task.shader_filter;
cl_int d_shader_x = task.shader_x;
cl_int d_shader_w = task.shader_w;
cl_int d_offset = task.offset;
cl_kernel kernel;
if(task.shader_eval_type >= SHADER_EVAL_BAKE) {
kernel = bake_program(ustring("bake"));
}
else if(task.shader_eval_type == SHADER_EVAL_DISPLACE) {
kernel = displace_program(ustring("displace"));
}
else {
kernel = background_program(ustring("background"));
}
cl_uint start_arg_index =
kernel_set_args(kernel,
0,
d_data,
d_input,
d_output);
set_kernel_arg_buffers(kernel, &start_arg_index);
start_arg_index += kernel_set_args(kernel,
start_arg_index,
d_shader_eval_type);
if(task.shader_eval_type >= SHADER_EVAL_BAKE) {
start_arg_index += kernel_set_args(kernel,
start_arg_index,
d_shader_filter);
}
start_arg_index += kernel_set_args(kernel,
start_arg_index,
d_shader_x,
d_shader_w,
d_offset);
for(int sample = 0; sample < task.num_samples; sample++) {
if(task.get_cancel())
break;
kernel_set_args(kernel, start_arg_index, sample);
enqueue_kernel(kernel, task.shader_w, 1);
clFinish(cqCommandQueue);
task.update_progress(NULL);
}
}
string OpenCLDeviceBase::kernel_build_options(const string *debug_src)
{
string build_options = "-cl-no-signed-zeros -cl-mad-enable ";
if(platform_name == "NVIDIA CUDA") {
build_options += "-D__KERNEL_OPENCL_NVIDIA__ "
"-cl-nv-maxrregcount=32 "
"-cl-nv-verbose ";
uint compute_capability_major, compute_capability_minor;
clGetDeviceInfo(cdDevice, CL_DEVICE_COMPUTE_CAPABILITY_MAJOR_NV,
sizeof(cl_uint), &compute_capability_major, NULL);
clGetDeviceInfo(cdDevice, CL_DEVICE_COMPUTE_CAPABILITY_MINOR_NV,
sizeof(cl_uint), &compute_capability_minor, NULL);
build_options += string_printf("-D__COMPUTE_CAPABILITY__=%u ",
compute_capability_major * 100 +
compute_capability_minor * 10);
}
else if(platform_name == "Apple")
build_options += "-D__KERNEL_OPENCL_APPLE__ ";
else if(platform_name == "AMD Accelerated Parallel Processing")
build_options += "-D__KERNEL_OPENCL_AMD__ ";
else if(platform_name == "Intel(R) OpenCL") {
build_options += "-D__KERNEL_OPENCL_INTEL_CPU__ ";
/* Options for gdb source level kernel debugging.
* this segfaults on linux currently.
*/
if(OpenCLInfo::use_debug() && debug_src)
build_options += "-g -s \"" + *debug_src + "\" ";
}
if(info.has_half_images) {
build_options += "-D__KERNEL_CL_KHR_FP16__ ";
}
if(OpenCLInfo::use_debug()) {
build_options += "-D__KERNEL_OPENCL_DEBUG__ ";
}
#ifdef WITH_CYCLES_DEBUG
build_options += "-D__KERNEL_DEBUG__ ";
#endif
return build_options;
}
/* TODO(sergey): In the future we can use variadic templates, once
* C++0x is allowed. Should allow to clean this up a bit.
*/
int OpenCLDeviceBase::kernel_set_args(cl_kernel kernel,
int start_argument_index,
const ArgumentWrapper& arg1,
const ArgumentWrapper& arg2,
const ArgumentWrapper& arg3,
const ArgumentWrapper& arg4,
const ArgumentWrapper& arg5,
const ArgumentWrapper& arg6,
const ArgumentWrapper& arg7,
const ArgumentWrapper& arg8,
const ArgumentWrapper& arg9,
const ArgumentWrapper& arg10,
const ArgumentWrapper& arg11,
const ArgumentWrapper& arg12,
const ArgumentWrapper& arg13,
const ArgumentWrapper& arg14,
const ArgumentWrapper& arg15,
const ArgumentWrapper& arg16,
const ArgumentWrapper& arg17,
const ArgumentWrapper& arg18,
const ArgumentWrapper& arg19,
const ArgumentWrapper& arg20,
const ArgumentWrapper& arg21,
const ArgumentWrapper& arg22,
const ArgumentWrapper& arg23,
const ArgumentWrapper& arg24,
const ArgumentWrapper& arg25,
const ArgumentWrapper& arg26,
const ArgumentWrapper& arg27,
const ArgumentWrapper& arg28,
const ArgumentWrapper& arg29,
const ArgumentWrapper& arg30,
const ArgumentWrapper& arg31,
const ArgumentWrapper& arg32,
const ArgumentWrapper& arg33)
{
int current_arg_index = 0;
#define FAKE_VARARG_HANDLE_ARG(arg) \
do { \
if(arg.pointer != NULL) { \
opencl_assert(clSetKernelArg( \
kernel, \
start_argument_index + current_arg_index, \
arg.size, arg.pointer)); \
++current_arg_index; \
} \
else { \
return current_arg_index; \
} \
} while(false)
FAKE_VARARG_HANDLE_ARG(arg1);
FAKE_VARARG_HANDLE_ARG(arg2);
FAKE_VARARG_HANDLE_ARG(arg3);
FAKE_VARARG_HANDLE_ARG(arg4);
FAKE_VARARG_HANDLE_ARG(arg5);
FAKE_VARARG_HANDLE_ARG(arg6);
FAKE_VARARG_HANDLE_ARG(arg7);
FAKE_VARARG_HANDLE_ARG(arg8);
FAKE_VARARG_HANDLE_ARG(arg9);
FAKE_VARARG_HANDLE_ARG(arg10);
FAKE_VARARG_HANDLE_ARG(arg11);
FAKE_VARARG_HANDLE_ARG(arg12);
FAKE_VARARG_HANDLE_ARG(arg13);
FAKE_VARARG_HANDLE_ARG(arg14);
FAKE_VARARG_HANDLE_ARG(arg15);
FAKE_VARARG_HANDLE_ARG(arg16);
FAKE_VARARG_HANDLE_ARG(arg17);
FAKE_VARARG_HANDLE_ARG(arg18);
FAKE_VARARG_HANDLE_ARG(arg19);
FAKE_VARARG_HANDLE_ARG(arg20);
FAKE_VARARG_HANDLE_ARG(arg21);
FAKE_VARARG_HANDLE_ARG(arg22);
FAKE_VARARG_HANDLE_ARG(arg23);
FAKE_VARARG_HANDLE_ARG(arg24);
FAKE_VARARG_HANDLE_ARG(arg25);
FAKE_VARARG_HANDLE_ARG(arg26);
FAKE_VARARG_HANDLE_ARG(arg27);
FAKE_VARARG_HANDLE_ARG(arg28);
FAKE_VARARG_HANDLE_ARG(arg29);
FAKE_VARARG_HANDLE_ARG(arg30);
FAKE_VARARG_HANDLE_ARG(arg31);
FAKE_VARARG_HANDLE_ARG(arg32);
FAKE_VARARG_HANDLE_ARG(arg33);
#undef FAKE_VARARG_HANDLE_ARG
return current_arg_index;
}
void OpenCLDeviceBase::release_kernel_safe(cl_kernel kernel)
{
if(kernel) {
clReleaseKernel(kernel);
}
}
void OpenCLDeviceBase::release_mem_object_safe(cl_mem mem)
{
if(mem != NULL) {
clReleaseMemObject(mem);
}
}
void OpenCLDeviceBase::release_program_safe(cl_program program)
{
if(program) {
clReleaseProgram(program);
}
}
/* ** Those guys are for workign around some compiler-specific bugs ** */
cl_program OpenCLDeviceBase::load_cached_kernel(
ustring key,
thread_scoped_lock& cache_locker)
{
return OpenCLCache::get_program(cpPlatform,
cdDevice,
key,
cache_locker);
}
void OpenCLDeviceBase::store_cached_kernel(
cl_program program,
ustring key,
thread_scoped_lock& cache_locker)
{
OpenCLCache::store_program(cpPlatform,
cdDevice,
program,
key,
cache_locker);
}
string OpenCLDeviceBase::build_options_for_bake_program(
const DeviceRequestedFeatures& requested_features)
{
/* TODO(sergey): By default we compile all features, meaning
* mega kernel is not getting feature-based optimizations.
*
* Ideally we need always compile kernel with as less features
* enabled as possible to keep performance at it's max.
*/
/* For now disable baking when not in use as this has major
* impact on kernel build times.
*/
if(!requested_features.use_baking) {
return "-D__NO_BAKING__";
}
return "";
}
CCL_NAMESPACE_END
#endif

View File

@@ -1,186 +0,0 @@
/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef WITH_OPENCL
#include "device/opencl/opencl.h"
#include "render/buffers.h"
#include "kernel/kernel_types.h"
#include "util/util_md5.h"
#include "util/util_path.h"
#include "util/util_time.h"
CCL_NAMESPACE_BEGIN
class OpenCLDeviceMegaKernel : public OpenCLDeviceBase
{
public:
OpenCLProgram path_trace_program;
OpenCLDeviceMegaKernel(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background_)
: OpenCLDeviceBase(info, stats, profiler, background_),
path_trace_program(this,
get_opencl_program_name(false, "megakernel"),
get_opencl_program_filename(false, "megakernel"),
"-D__COMPILE_ONLY_MEGAKERNEL__ ")
{
}
virtual bool show_samples() const
{
return true;
}
virtual BVHLayoutMask get_bvh_layout_mask() const
{
return BVH_LAYOUT_BVH2;
}
const string get_opencl_program_name(bool /*single_program*/, const string& kernel_name)
{
return kernel_name;
}
const string get_opencl_program_filename(bool /*single_program*/, const string& /*kernel_name*/)
{
return "kernel.cl";
}
virtual bool add_kernel_programs(const DeviceRequestedFeatures& /*requested_features*/,
vector<OpenCLProgram*> &programs)
{
path_trace_program.add_kernel(ustring("path_trace"));
programs.push_back(&path_trace_program);
return true;
}
~OpenCLDeviceMegaKernel()
{
task_pool.stop();
path_trace_program.release();
}
void path_trace(RenderTile& rtile, int sample)
{
scoped_timer timer(&rtile.buffers->render_time);
/* Cast arguments to cl types. */
cl_mem d_data = CL_MEM_PTR(const_mem_map["__data"]->device_pointer);
cl_mem d_buffer = CL_MEM_PTR(rtile.buffer);
cl_int d_x = rtile.x;
cl_int d_y = rtile.y;
cl_int d_w = rtile.w;
cl_int d_h = rtile.h;
cl_int d_offset = rtile.offset;
cl_int d_stride = rtile.stride;
/* Sample arguments. */
cl_int d_sample = sample;
cl_kernel ckPathTraceKernel = path_trace_program(ustring("path_trace"));
cl_uint start_arg_index =
kernel_set_args(ckPathTraceKernel,
0,
d_data,
d_buffer);
set_kernel_arg_buffers(ckPathTraceKernel, &start_arg_index);
start_arg_index += kernel_set_args(ckPathTraceKernel,
start_arg_index,
d_sample,
d_x,
d_y,
d_w,
d_h,
d_offset,
d_stride);
enqueue_kernel(ckPathTraceKernel, d_w, d_h);
}
void thread_run(DeviceTask *task)
{
if(task->type == DeviceTask::FILM_CONVERT) {
film_convert(*task, task->buffer, task->rgba_byte, task->rgba_half);
}
else if(task->type == DeviceTask::SHADER) {
shader(*task);
}
else if(task->type == DeviceTask::RENDER) {
RenderTile tile;
DenoisingTask denoising(this, *task);
/* Keep rendering tiles until done. */
while(task->acquire_tile(this, tile)) {
if(tile.task == RenderTile::PATH_TRACE) {
int start_sample = tile.start_sample;
int end_sample = tile.start_sample + tile.num_samples;
for(int sample = start_sample; sample < end_sample; sample++) {
if(task->get_cancel()) {
if(task->need_finish_queue == false)
break;
}
path_trace(tile, sample);
tile.sample = sample + 1;
task->update_progress(&tile, tile.w*tile.h);
}
/* Complete kernel execution before release tile */
/* This helps in multi-device render;
* The device that reaches the critical-section function
* release_tile waits (stalling other devices from entering
* release_tile) for all kernels to complete. If device1 (a
* slow-render device) reaches release_tile first then it would
* stall device2 (a fast-render device) from proceeding to render
* next tile.
*/
clFinish(cqCommandQueue);
}
else if(tile.task == RenderTile::DENOISE) {
tile.sample = tile.start_sample + tile.num_samples;
denoise(tile, denoising);
task->update_progress(&tile, tile.w*tile.h);
}
task->release_tile(tile);
}
}
}
bool is_split_kernel()
{
return false;
}
};
Device *opencl_create_mega_device(DeviceInfo& info, Stats& stats, Profiler &profiler, bool background)
{
return new OpenCLDeviceMegaKernel(info, stats, profiler, background);
}
CCL_NAMESPACE_END
#endif

View File

@@ -18,15 +18,12 @@
#include "device/opencl/opencl.h"
#include "render/buffers.h"
#include "kernel/kernel_types.h"
#include "kernel/split/kernel_split_data_types.h"
#include "device/device_split_kernel.h"
#include "util/util_algorithm.h"
#include "util/util_debug.h"
#include "util/util_foreach.h"
#include "util/util_logging.h"
#include "util/util_md5.h"
#include "util/util_path.h"
@@ -34,7 +31,76 @@
CCL_NAMESPACE_BEGIN
class OpenCLSplitKernel;
struct texture_slot_t {
texture_slot_t(const string& name, int slot)
: name(name),
slot(slot) {
}
string name;
int slot;
};
static const string fast_compiled_kernels =
"path_init "
"scene_intersect "
"queue_enqueue "
"shader_setup "
"shader_sort "
"enqueue_inactive "
"next_iteration_setup "
"indirect_subsurface "
"buffer_update";
const string OpenCLDevice::get_opencl_program_name(bool single_program, const string& kernel_name)
{
if (single_program) {
return "split";
}
else {
if (fast_compiled_kernels.find(kernel_name) != std::string::npos) {
return "split_bundle";
}
else {
return "split_" + kernel_name;
}
}
}
const string OpenCLDevice::get_opencl_program_filename(bool single_program, const string& kernel_name)
{
if (single_program) {
return "kernel_split.cl";
}
else {
if (fast_compiled_kernels.find(kernel_name) != std::string::npos) {
return "kernel_split_bundle.cl";
}
else {
return "kernel_" + kernel_name + ".cl";
}
}
}
string OpenCLDevice::get_build_options(const DeviceRequestedFeatures& requested_features)
{
string build_options = "-D__SPLIT_KERNEL__ ";
build_options += requested_features.get_build_options();
/* Set compute device build option. */
cl_device_type device_type;
OpenCLInfo::get_device_type(this->cdDevice, &device_type, &this->ciErr);
assert(this->ciErr == CL_SUCCESS);
if(device_type == CL_DEVICE_TYPE_GPU) {
build_options += " -D__COMPUTE_DEVICE_GPU__";
}
return build_options;
}
string OpenCLDevice::get_build_options_for_bake(const DeviceRequestedFeatures& requested_features)
{
return requested_features.get_build_options();
}
namespace {
@@ -55,287 +121,6 @@ typedef struct KernelGlobalsDummy {
} // namespace
static string get_build_options(OpenCLDeviceBase *device, const DeviceRequestedFeatures& requested_features)
{
string build_options = "-D__SPLIT_KERNEL__ ";
build_options += requested_features.get_build_options();
/* Set compute device build option. */
cl_device_type device_type;
OpenCLInfo::get_device_type(device->cdDevice, &device_type, &device->ciErr);
assert(device->ciErr == CL_SUCCESS);
if(device_type == CL_DEVICE_TYPE_GPU) {
build_options += " -D__COMPUTE_DEVICE_GPU__";
}
return build_options;
}
/* OpenCLDeviceSplitKernel's declaration/definition. */
class OpenCLDeviceSplitKernel : public OpenCLDeviceBase
{
public:
DeviceSplitKernel *split_kernel;
OpenCLProgram program_data_init;
OpenCLProgram program_state_buffer_size;
OpenCLProgram program_split;
OpenCLProgram program_path_init;
OpenCLProgram program_scene_intersect;
OpenCLProgram program_lamp_emission;
OpenCLProgram program_do_volume;
OpenCLProgram program_queue_enqueue;
OpenCLProgram program_indirect_background;
OpenCLProgram program_shader_setup;
OpenCLProgram program_shader_sort;
OpenCLProgram program_shader_eval;
OpenCLProgram program_holdout_emission_blurring_pathtermination_ao;
OpenCLProgram program_subsurface_scatter;
OpenCLProgram program_direct_lighting;
OpenCLProgram program_shadow_blocked_ao;
OpenCLProgram program_shadow_blocked_dl;
OpenCLProgram program_enqueue_inactive;
OpenCLProgram program_next_iteration_setup;
OpenCLProgram program_indirect_subsurface;
OpenCLProgram program_buffer_update;
OpenCLDeviceSplitKernel(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background_);
~OpenCLDeviceSplitKernel()
{
task_pool.stop();
/* Release kernels */
program_data_init.release();
delete split_kernel;
}
virtual bool show_samples() const {
return true;
}
virtual BVHLayoutMask get_bvh_layout_mask() const {
return BVH_LAYOUT_BVH2;
}
virtual bool load_kernels(const DeviceRequestedFeatures& requested_features)
{
if (!OpenCLDeviceBase::load_kernels(requested_features)) {
return false;
}
return split_kernel->load_kernels(requested_features);
}
const string fast_compiled_kernels =
"path_init "
"scene_intersect "
"queue_enqueue "
"shader_setup "
"shader_sort "
"enqueue_inactive "
"next_iteration_setup "
"indirect_subsurface "
"buffer_update";
const string get_opencl_program_name(bool single_program, const string& kernel_name)
{
if (single_program) {
return "split";
}
else {
if (fast_compiled_kernels.find(kernel_name) != std::string::npos) {
return "split_bundle";
}
else {
return "split_" + kernel_name;
}
}
}
const string get_opencl_program_filename(bool single_program, const string& kernel_name)
{
if (single_program) {
return "kernel_split.cl";
}
else {
if (fast_compiled_kernels.find(kernel_name) != std::string::npos) {
return "kernel_split_bundle.cl";
}
else {
return "kernel_" + kernel_name + ".cl";
}
}
}
virtual bool add_kernel_programs(const DeviceRequestedFeatures& requested_features,
vector<OpenCLDeviceBase::OpenCLProgram*> &programs)
{
bool single_program = OpenCLInfo::use_single_program();
program_data_init = OpenCLDeviceBase::OpenCLProgram(
this,
get_opencl_program_name(single_program, "data_init"),
get_opencl_program_filename(single_program, "data_init"),
get_build_options(this, requested_features));
program_data_init.add_kernel(ustring("path_trace_data_init"));
programs.push_back(&program_data_init);
program_state_buffer_size = OpenCLDeviceBase::OpenCLProgram(
this,
get_opencl_program_name(single_program, "state_buffer_size"),
get_opencl_program_filename(single_program, "state_buffer_size"),
get_build_options(this, requested_features));
program_state_buffer_size.add_kernel(ustring("path_trace_state_buffer_size"));
programs.push_back(&program_state_buffer_size);
#define ADD_SPLIT_KERNEL_SINGLE_PROGRAM(kernel_name) program_split.add_kernel(ustring("path_trace_"#kernel_name));
#define ADD_SPLIT_KERNEL_SPLIT_PROGRAM(kernel_name) \
program_##kernel_name = \
OpenCLDeviceBase::OpenCLProgram(this, \
"split_"#kernel_name, \
"kernel_"#kernel_name".cl", \
get_build_options(this, requested_features)); \
program_##kernel_name.add_kernel(ustring("path_trace_"#kernel_name)); \
programs.push_back(&program_##kernel_name);
if (single_program) {
program_split = OpenCLDeviceBase::OpenCLProgram(
this,
"split" ,
"kernel_split.cl",
get_build_options(this, requested_features));
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(path_init);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(scene_intersect);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(lamp_emission);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(do_volume);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(queue_enqueue);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(indirect_background);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_setup);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_sort);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_eval);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(holdout_emission_blurring_pathtermination_ao);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(subsurface_scatter);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(direct_lighting);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shadow_blocked_ao);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shadow_blocked_dl);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(enqueue_inactive);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(next_iteration_setup);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(indirect_subsurface);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(buffer_update);
programs.push_back(&program_split);
}
else {
/* Ordered with most complex kernels first, to reduce overall compile time. */
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(subsurface_scatter);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(do_volume);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(shadow_blocked_dl);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(shadow_blocked_ao);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(holdout_emission_blurring_pathtermination_ao);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(lamp_emission);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(direct_lighting);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(indirect_background);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(shader_eval);
/* Quick kernels bundled in a single program to reduce overhead of starting
* Blender processes. */
program_split = OpenCLDeviceBase::OpenCLProgram(
this,
"split_bundle" ,
"kernel_split_bundle.cl",
get_build_options(this, requested_features));
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(path_init);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(scene_intersect);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(queue_enqueue);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_setup);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_sort);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(enqueue_inactive);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(next_iteration_setup);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(indirect_subsurface);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(buffer_update);
programs.push_back(&program_split);
}
#undef ADD_SPLIT_KERNEL_SPLIT_PROGRAM
#undef ADD_SPLIT_KERNEL_SINGLE_PROGRAM
return true;
}
void thread_run(DeviceTask *task)
{
flush_texture_buffers();
if(task->type == DeviceTask::FILM_CONVERT) {
film_convert(*task, task->buffer, task->rgba_byte, task->rgba_half);
}
else if(task->type == DeviceTask::SHADER) {
shader(*task);
}
else if(task->type == DeviceTask::RENDER) {
RenderTile tile;
DenoisingTask denoising(this, *task);
/* Allocate buffer for kernel globals */
device_only_memory<KernelGlobalsDummy> kgbuffer(this, "kernel_globals");
kgbuffer.alloc_to_device(1);
/* Keep rendering tiles until done. */
while(task->acquire_tile(this, tile)) {
if(tile.task == RenderTile::PATH_TRACE) {
assert(tile.task == RenderTile::PATH_TRACE);
scoped_timer timer(&tile.buffers->render_time);
split_kernel->path_trace(task,
tile,
kgbuffer,
*const_mem_map["__data"]);
/* Complete kernel execution before release tile. */
/* This helps in multi-device render;
* The device that reaches the critical-section function
* release_tile waits (stalling other devices from entering
* release_tile) for all kernels to complete. If device1 (a
* slow-render device) reaches release_tile first then it would
* stall device2 (a fast-render device) from proceeding to render
* next tile.
*/
clFinish(cqCommandQueue);
}
else if(tile.task == RenderTile::DENOISE) {
tile.sample = tile.start_sample + tile.num_samples;
denoise(tile, denoising);
task->update_progress(&tile, tile.w*tile.h);
}
task->release_tile(tile);
}
kgbuffer.free();
}
}
bool is_split_kernel()
{
return true;
}
protected:
/* ** Those guys are for workign around some compiler-specific bugs ** */
string build_options_for_bake_program(
const DeviceRequestedFeatures& requested_features)
{
return requested_features.get_build_options();
}
friend class OpenCLSplitKernel;
friend class OpenCLSplitKernelFunction;
};
struct CachedSplitMemory {
int id;
@@ -349,12 +134,12 @@ struct CachedSplitMemory {
class OpenCLSplitKernelFunction : public SplitKernelFunction {
public:
OpenCLDeviceSplitKernel* device;
OpenCLDeviceBase::OpenCLProgram program;
OpenCLDevice* device;
OpenCLDevice::OpenCLProgram program;
CachedSplitMemory& cached_memory;
int cached_id;
OpenCLSplitKernelFunction(OpenCLDeviceSplitKernel* device, CachedSplitMemory& cached_memory) :
OpenCLSplitKernelFunction(OpenCLDevice* device, CachedSplitMemory& cached_memory) :
device(device), cached_memory(cached_memory), cached_id(cached_memory.id-1)
{
}
@@ -412,10 +197,10 @@ public:
};
class OpenCLSplitKernel : public DeviceSplitKernel {
OpenCLDeviceSplitKernel *device;
OpenCLDevice *device;
CachedSplitMemory cached_memory;
public:
explicit OpenCLSplitKernel(OpenCLDeviceSplitKernel *device) : DeviceSplitKernel(device), device(device) {
explicit OpenCLSplitKernel(OpenCLDevice *device) : DeviceSplitKernel(device), device(device) {
}
virtual SplitKernelFunction* get_split_kernel_function(const string& kernel_name,
@@ -425,10 +210,10 @@ public:
bool single_program = OpenCLInfo::use_single_program();
kernel->program =
OpenCLDeviceBase::OpenCLProgram(device,
OpenCLDevice::OpenCLProgram(device,
device->get_opencl_program_name(single_program, kernel_name),
device->get_opencl_program_filename(single_program, kernel_name),
get_build_options(device, requested_features));
device->get_build_options(requested_features));
kernel->program.add_kernel(ustring("path_trace_" + kernel_name));
kernel->program.load();
@@ -593,19 +378,1519 @@ public:
}
};
OpenCLDeviceSplitKernel::OpenCLDeviceSplitKernel(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background_)
: OpenCLDeviceBase(info, stats, profiler, background_)
bool OpenCLDevice::opencl_error(cl_int err)
{
split_kernel = new OpenCLSplitKernel(this);
if(err != CL_SUCCESS) {
string message = string_printf("OpenCL error (%d): %s", err, clewErrorString(err));
if(error_msg == "")
error_msg = message;
fprintf(stderr, "%s\n", message.c_str());
return true;
}
background = background_;
return false;
}
void OpenCLDevice::opencl_error(const string& message)
{
if(error_msg == "")
error_msg = message;
fprintf(stderr, "%s\n", message.c_str());
}
void OpenCLDevice::opencl_assert_err(cl_int err, const char* where)
{
if(err != CL_SUCCESS) {
string message = string_printf("OpenCL error (%d): %s in %s", err, clewErrorString(err), where);
if(error_msg == "")
error_msg = message;
fprintf(stderr, "%s\n", message.c_str());
#ifndef NDEBUG
abort();
#endif
}
}
OpenCLDevice::OpenCLDevice(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background)
: Device(info, stats, profiler, background),
memory_manager(this),
texture_info(this, "__texture_info", MEM_TEXTURE)
{
cpPlatform = NULL;
cdDevice = NULL;
cxContext = NULL;
cqCommandQueue = NULL;
null_mem = 0;
device_initialized = false;
textures_need_update = true;
vector<OpenCLPlatformDevice> usable_devices;
OpenCLInfo::get_usable_devices(&usable_devices);
if(usable_devices.size() == 0) {
opencl_error("OpenCL: no devices found.");
return;
}
assert(info.num < usable_devices.size());
OpenCLPlatformDevice& platform_device = usable_devices[info.num];
device_num = info.num;
cpPlatform = platform_device.platform_id;
cdDevice = platform_device.device_id;
platform_name = platform_device.platform_name;
device_name = platform_device.device_name;
VLOG(2) << "Creating new Cycles device for OpenCL platform "
<< platform_name << ", device "
<< device_name << ".";
{
/* try to use cached context */
thread_scoped_lock cache_locker;
cxContext = OpenCLCache::get_context(cpPlatform, cdDevice, cache_locker);
if(cxContext == NULL) {
/* create context properties array to specify platform */
const cl_context_properties context_props[] = {
CL_CONTEXT_PLATFORM, (cl_context_properties)cpPlatform,
0, 0
};
/* create context */
cxContext = clCreateContext(context_props, 1, &cdDevice,
context_notify_callback, cdDevice, &ciErr);
if(opencl_error(ciErr)) {
opencl_error("OpenCL: clCreateContext failed");
return;
}
/* cache it */
OpenCLCache::store_context(cpPlatform, cdDevice, cxContext, cache_locker);
}
}
cqCommandQueue = clCreateCommandQueue(cxContext, cdDevice, 0, &ciErr);
if(opencl_error(ciErr)) {
opencl_error("OpenCL: Error creating command queue");
return;
}
null_mem = (device_ptr)clCreateBuffer(cxContext, CL_MEM_READ_ONLY, 1, NULL, &ciErr);
if(opencl_error(ciErr)) {
opencl_error("OpenCL: Error creating memory buffer for NULL");
return;
}
/* Allocate this right away so that texture_info is placed at offset 0 in the device memory buffers */
texture_info.resize(1);
memory_manager.alloc("texture_info", texture_info);
device_initialized = true;
split_kernel = new OpenCLSplitKernel(this);
background = background;
}
OpenCLDevice::~OpenCLDevice()
{
task_pool.stop();
memory_manager.free();
if(null_mem)
clReleaseMemObject(CL_MEM_PTR(null_mem));
ConstMemMap::iterator mt;
for(mt = const_mem_map.begin(); mt != const_mem_map.end(); mt++) {
delete mt->second;
}
base_program.release();
bake_program.release();
displace_program.release();
background_program.release();
program_data_init.release();
if(cqCommandQueue)
clReleaseCommandQueue(cqCommandQueue);
if(cxContext)
clReleaseContext(cxContext);
delete split_kernel;
}
void CL_CALLBACK OpenCLDevice::context_notify_callback(const char *err_info,
const void * /*private_info*/, size_t /*cb*/, void *user_data)
{
string device_name = OpenCLInfo::get_device_name((cl_device_id)user_data);
fprintf(stderr, "OpenCL error (%s): %s\n", device_name.c_str(), err_info);
}
bool OpenCLDevice::opencl_version_check()
{
string error;
if(!OpenCLInfo::platform_version_check(cpPlatform, &error)) {
opencl_error(error);
return false;
}
if(!OpenCLInfo::device_version_check(cdDevice, &error)) {
opencl_error(error);
return false;
}
return true;
}
string OpenCLDevice::device_md5_hash(string kernel_custom_build_options)
{
MD5Hash md5;
char version[256], driver[256], name[256], vendor[256];
clGetPlatformInfo(cpPlatform, CL_PLATFORM_VENDOR, sizeof(vendor), &vendor, NULL);
clGetDeviceInfo(cdDevice, CL_DEVICE_VERSION, sizeof(version), &version, NULL);
clGetDeviceInfo(cdDevice, CL_DEVICE_NAME, sizeof(name), &name, NULL);
clGetDeviceInfo(cdDevice, CL_DRIVER_VERSION, sizeof(driver), &driver, NULL);
md5.append((uint8_t*)vendor, strlen(vendor));
md5.append((uint8_t*)version, strlen(version));
md5.append((uint8_t*)name, strlen(name));
md5.append((uint8_t*)driver, strlen(driver));
string options = kernel_build_options();
options += kernel_custom_build_options;
md5.append((uint8_t*)options.c_str(), options.size());
return md5.get_hex();
}
bool OpenCLDevice::load_kernels(const DeviceRequestedFeatures& requested_features)
{
VLOG(2) << "Loading kernels for platform " << platform_name
<< ", device " << device_name << ".";
/* Verify if device was initialized. */
if(!device_initialized) {
fprintf(stderr, "OpenCL: failed to initialize device.\n");
return false;
}
/* Verify we have right opencl version. */
if(!opencl_version_check())
return false;
base_program = OpenCLProgram(this, "base", "kernel_base.cl", "");
base_program.add_kernel(ustring("convert_to_byte"));
base_program.add_kernel(ustring("convert_to_half_float"));
base_program.add_kernel(ustring("zero_buffer"));
bake_program = OpenCLProgram(this, "bake", "kernel_bake.cl", get_build_options_for_bake(requested_features));
bake_program.add_kernel(ustring("bake"));
displace_program = OpenCLProgram(this, "displace", "kernel_displace.cl", get_build_options_for_bake(requested_features));
displace_program.add_kernel(ustring("displace"));
background_program = OpenCLProgram(this, "background", "kernel_background.cl", get_build_options_for_bake(requested_features));
background_program.add_kernel(ustring("background"));
denoising_program = OpenCLProgram(this, "denoising", "filter.cl", "");
denoising_program.add_kernel(ustring("filter_divide_shadow"));
denoising_program.add_kernel(ustring("filter_get_feature"));
denoising_program.add_kernel(ustring("filter_detect_outliers"));
denoising_program.add_kernel(ustring("filter_combine_halves"));
denoising_program.add_kernel(ustring("filter_construct_transform"));
denoising_program.add_kernel(ustring("filter_nlm_calc_difference"));
denoising_program.add_kernel(ustring("filter_nlm_blur"));
denoising_program.add_kernel(ustring("filter_nlm_calc_weight"));
denoising_program.add_kernel(ustring("filter_nlm_update_output"));
denoising_program.add_kernel(ustring("filter_nlm_normalize"));
denoising_program.add_kernel(ustring("filter_nlm_construct_gramian"));
denoising_program.add_kernel(ustring("filter_finalize"));
vector<OpenCLProgram*> programs;
programs.push_back(&bake_program);
programs.push_back(&displace_program);
programs.push_back(&background_program);
bool single_program = OpenCLInfo::use_single_program();
program_data_init = OpenCLDevice::OpenCLProgram(
this,
get_opencl_program_name(single_program, "data_init"),
get_opencl_program_filename(single_program, "data_init"),
get_build_options(requested_features));
program_data_init.add_kernel(ustring("path_trace_data_init"));
programs.push_back(&program_data_init);
program_state_buffer_size = OpenCLDevice::OpenCLProgram(
this,
get_opencl_program_name(single_program, "state_buffer_size"),
get_opencl_program_filename(single_program, "state_buffer_size"),
get_build_options(requested_features));
program_state_buffer_size.add_kernel(ustring("path_trace_state_buffer_size"));
programs.push_back(&program_state_buffer_size);
#define ADD_SPLIT_KERNEL_SINGLE_PROGRAM(kernel_name) program_split.add_kernel(ustring("path_trace_"#kernel_name));
#define ADD_SPLIT_KERNEL_SPLIT_PROGRAM(kernel_name) \
program_##kernel_name = \
OpenCLDevice::OpenCLProgram(this, \
"split_"#kernel_name, \
"kernel_"#kernel_name".cl", \
get_build_options(requested_features)); \
program_##kernel_name.add_kernel(ustring("path_trace_"#kernel_name)); \
programs.push_back(&program_##kernel_name);
if (single_program) {
program_split = OpenCLDevice::OpenCLProgram(
this,
"split" ,
"kernel_split.cl",
get_build_options(requested_features));
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(path_init);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(scene_intersect);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(lamp_emission);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(do_volume);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(queue_enqueue);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(indirect_background);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_setup);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_sort);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_eval);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(holdout_emission_blurring_pathtermination_ao);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(subsurface_scatter);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(direct_lighting);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shadow_blocked_ao);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shadow_blocked_dl);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(enqueue_inactive);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(next_iteration_setup);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(indirect_subsurface);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(buffer_update);
programs.push_back(&program_split);
}
else {
/* Ordered with most complex kernels first, to reduce overall compile time. */
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(subsurface_scatter);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(do_volume);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(shadow_blocked_dl);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(shadow_blocked_ao);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(holdout_emission_blurring_pathtermination_ao);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(lamp_emission);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(direct_lighting);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(indirect_background);
ADD_SPLIT_KERNEL_SPLIT_PROGRAM(shader_eval);
/* Quick kernels bundled in a single program to reduce overhead of starting
* Blender processes. */
program_split = OpenCLDevice::OpenCLProgram(
this,
"split_bundle" ,
"kernel_split_bundle.cl",
get_build_options(requested_features));
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(path_init);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(scene_intersect);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(queue_enqueue);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_setup);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(shader_sort);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(enqueue_inactive);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(next_iteration_setup);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(indirect_subsurface);
ADD_SPLIT_KERNEL_SINGLE_PROGRAM(buffer_update);
programs.push_back(&program_split);
}
#undef ADD_SPLIT_KERNEL_SPLIT_PROGRAM
#undef ADD_SPLIT_KERNEL_SINGLE_PROGRAM
programs.push_back(&base_program);
programs.push_back(&denoising_program);
/* Parallel compilation of Cycles kernels, this launches multiple
* processes to workaround OpenCL frameworks serializing the calls
* internally within a single process. */
TaskPool task_pool;
foreach(OpenCLProgram *program, programs) {
task_pool.push(function_bind(&OpenCLProgram::load, program));
}
task_pool.wait_work();
foreach(OpenCLProgram *program, programs) {
VLOG(2) << program->get_log();
if(!program->is_loaded()) {
program->report_error();
return false;
}
}
return split_kernel->load_kernels(requested_features);
}
void OpenCLDevice::mem_alloc(device_memory& mem)
{
if(mem.name) {
VLOG(1) << "Buffer allocate: " << mem.name << ", "
<< string_human_readable_number(mem.memory_size()) << " bytes. ("
<< string_human_readable_size(mem.memory_size()) << ")";
}
size_t size = mem.memory_size();
/* check there is enough memory available for the allocation */
cl_ulong max_alloc_size = 0;
clGetDeviceInfo(cdDevice, CL_DEVICE_MAX_MEM_ALLOC_SIZE, sizeof(cl_ulong), &max_alloc_size, NULL);
if(DebugFlags().opencl.mem_limit) {
max_alloc_size = min(max_alloc_size,
cl_ulong(DebugFlags().opencl.mem_limit - stats.mem_used));
}
if(size > max_alloc_size) {
string error = "Scene too complex to fit in available memory.";
if(mem.name != NULL) {
error += string_printf(" (allocating buffer %s failed.)", mem.name);
}
set_error(error);
return;
}
cl_mem_flags mem_flag;
void *mem_ptr = NULL;
if(mem.type == MEM_READ_ONLY || mem.type == MEM_TEXTURE)
mem_flag = CL_MEM_READ_ONLY;
else
mem_flag = CL_MEM_READ_WRITE;
/* Zero-size allocation might be invoked by render, but not really
* supported by OpenCL. Using NULL as device pointer also doesn't really
* work for some reason, so for the time being we'll use special case
* will null_mem buffer.
*/
if(size != 0) {
mem.device_pointer = (device_ptr)clCreateBuffer(cxContext,
mem_flag,
size,
mem_ptr,
&ciErr);
opencl_assert_err(ciErr, "clCreateBuffer");
}
else {
mem.device_pointer = null_mem;
}
stats.mem_alloc(size);
mem.device_size = size;
}
void OpenCLDevice::mem_copy_to(device_memory& mem)
{
if(mem.type == MEM_TEXTURE) {
tex_free(mem);
tex_alloc(mem);
}
else {
if(!mem.device_pointer) {
mem_alloc(mem);
}
/* this is blocking */
size_t size = mem.memory_size();
if(size != 0) {
opencl_assert(clEnqueueWriteBuffer(cqCommandQueue,
CL_MEM_PTR(mem.device_pointer),
CL_TRUE,
0,
size,
mem.host_pointer,
0,
NULL, NULL));
}
}
}
void OpenCLDevice::mem_copy_from(device_memory& mem, int y, int w, int h, int elem)
{
size_t offset = elem*y*w;
size_t size = elem*w*h;
assert(size != 0);
opencl_assert(clEnqueueReadBuffer(cqCommandQueue,
CL_MEM_PTR(mem.device_pointer),
CL_TRUE,
offset,
size,
(uchar*)mem.host_pointer + offset,
0,
NULL, NULL));
}
void OpenCLDevice::mem_zero_kernel(device_ptr mem, size_t size)
{
cl_kernel ckZeroBuffer = base_program(ustring("zero_buffer"));
size_t global_size[] = {1024, 1024};
size_t num_threads = global_size[0] * global_size[1];
cl_mem d_buffer = CL_MEM_PTR(mem);
cl_ulong d_offset = 0;
cl_ulong d_size = 0;
while(d_offset < size) {
d_size = std::min<cl_ulong>(num_threads*sizeof(float4), size - d_offset);
kernel_set_args(ckZeroBuffer, 0, d_buffer, d_size, d_offset);
ciErr = clEnqueueNDRangeKernel(cqCommandQueue,
ckZeroBuffer,
2,
NULL,
global_size,
NULL,
0,
NULL,
NULL);
opencl_assert_err(ciErr, "clEnqueueNDRangeKernel");
d_offset += d_size;
}
}
void OpenCLDevice::mem_zero(device_memory& mem)
{
if(!mem.device_pointer) {
mem_alloc(mem);
}
if(mem.device_pointer) {
if(base_program.is_loaded()) {
mem_zero_kernel(mem.device_pointer, mem.memory_size());
}
if(mem.host_pointer) {
memset(mem.host_pointer, 0, mem.memory_size());
}
if(!base_program.is_loaded()) {
void* zero = mem.host_pointer;
if(!mem.host_pointer) {
zero = util_aligned_malloc(mem.memory_size(), 16);
memset(zero, 0, mem.memory_size());
}
opencl_assert(clEnqueueWriteBuffer(cqCommandQueue,
CL_MEM_PTR(mem.device_pointer),
CL_TRUE,
0,
mem.memory_size(),
zero,
0,
NULL, NULL));
if(!mem.host_pointer) {
util_aligned_free(zero);
}
}
}
}
void OpenCLDevice::mem_free(device_memory& mem)
{
if(mem.type == MEM_TEXTURE) {
tex_free(mem);
}
else {
if(mem.device_pointer) {
if(mem.device_pointer != null_mem) {
opencl_assert(clReleaseMemObject(CL_MEM_PTR(mem.device_pointer)));
}
mem.device_pointer = 0;
stats.mem_free(mem.device_size);
mem.device_size = 0;
}
}
}
int OpenCLDevice::mem_sub_ptr_alignment()
{
return OpenCLInfo::mem_sub_ptr_alignment(cdDevice);
}
device_ptr OpenCLDevice::mem_alloc_sub_ptr(device_memory& mem, int offset, int size)
{
cl_mem_flags mem_flag;
if(mem.type == MEM_READ_ONLY || mem.type == MEM_TEXTURE)
mem_flag = CL_MEM_READ_ONLY;
else
mem_flag = CL_MEM_READ_WRITE;
cl_buffer_region info;
info.origin = mem.memory_elements_size(offset);
info.size = mem.memory_elements_size(size);
device_ptr sub_buf = (device_ptr) clCreateSubBuffer(CL_MEM_PTR(mem.device_pointer),
mem_flag,
CL_BUFFER_CREATE_TYPE_REGION,
&info,
&ciErr);
opencl_assert_err(ciErr, "clCreateSubBuffer");
return sub_buf;
}
void OpenCLDevice::mem_free_sub_ptr(device_ptr device_pointer)
{
if(device_pointer && device_pointer != null_mem) {
opencl_assert(clReleaseMemObject(CL_MEM_PTR(device_pointer)));
}
}
void OpenCLDevice::const_copy_to(const char *name, void *host, size_t size)
{
ConstMemMap::iterator i = const_mem_map.find(name);
device_vector<uchar> *data;
if(i == const_mem_map.end()) {
data = new device_vector<uchar>(this, name, MEM_READ_ONLY);
data->alloc(size);
const_mem_map.insert(ConstMemMap::value_type(name, data));
}
else {
data = i->second;
}
memcpy(data->data(), host, size);
data->copy_to_device();
}
void OpenCLDevice::tex_alloc(device_memory& mem)
{
VLOG(1) << "Texture allocate: " << mem.name << ", "
<< string_human_readable_number(mem.memory_size()) << " bytes. ("
<< string_human_readable_size(mem.memory_size()) << ")";
memory_manager.alloc(mem.name, mem);
/* Set the pointer to non-null to keep code that inspects its value from thinking its unallocated. */
mem.device_pointer = 1;
textures[mem.name] = &mem;
textures_need_update = true;
}
void OpenCLDevice::tex_free(device_memory& mem)
{
if(mem.device_pointer) {
mem.device_pointer = 0;
if(memory_manager.free(mem)) {
textures_need_update = true;
}
foreach(TexturesMap::value_type& value, textures) {
if(value.second == &mem) {
textures.erase(value.first);
break;
}
}
}
}
size_t OpenCLDevice::global_size_round_up(int group_size, int global_size)
{
int r = global_size % group_size;
return global_size + ((r == 0)? 0: group_size - r);
}
void OpenCLDevice::enqueue_kernel(cl_kernel kernel, size_t w, size_t h, bool x_workgroups, size_t max_workgroup_size)
{
size_t workgroup_size, max_work_items[3];
clGetKernelWorkGroupInfo(kernel, cdDevice,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &workgroup_size, NULL);
clGetDeviceInfo(cdDevice,
CL_DEVICE_MAX_WORK_ITEM_SIZES, sizeof(size_t)*3, max_work_items, NULL);
if(max_workgroup_size > 0 && workgroup_size > max_workgroup_size) {
workgroup_size = max_workgroup_size;
}
/* Try to divide evenly over 2 dimensions. */
size_t local_size[2];
if(x_workgroups) {
local_size[0] = workgroup_size;
local_size[1] = 1;
}
else {
size_t sqrt_workgroup_size = max((size_t)sqrt((double)workgroup_size), 1);
local_size[0] = local_size[1] = sqrt_workgroup_size;
}
/* Some implementations have max size 1 on 2nd dimension. */
if(local_size[1] > max_work_items[1]) {
local_size[0] = workgroup_size/max_work_items[1];
local_size[1] = max_work_items[1];
}
size_t global_size[2] = {global_size_round_up(local_size[0], w),
global_size_round_up(local_size[1], h)};
/* Vertical size of 1 is coming from bake/shade kernels where we should
* not round anything up because otherwise we'll either be doing too
* much work per pixel (if we don't check global ID on Y axis) or will
* be checking for global ID to always have Y of 0.
*/
if(h == 1) {
global_size[h] = 1;
}
/* run kernel */
opencl_assert(clEnqueueNDRangeKernel(cqCommandQueue, kernel, 2, NULL, global_size, NULL, 0, NULL, NULL));
opencl_assert(clFlush(cqCommandQueue));
}
void OpenCLDevice::set_kernel_arg_mem(cl_kernel kernel, cl_uint *narg, const char *name)
{
cl_mem ptr;
MemMap::iterator i = mem_map.find(name);
if(i != mem_map.end()) {
ptr = CL_MEM_PTR(i->second);
}
else {
/* work around NULL not working, even though the spec says otherwise */
ptr = CL_MEM_PTR(null_mem);
}
opencl_assert(clSetKernelArg(kernel, (*narg)++, sizeof(ptr), (void*)&ptr));
}
void OpenCLDevice::set_kernel_arg_buffers(cl_kernel kernel, cl_uint *narg)
{
flush_texture_buffers();
memory_manager.set_kernel_arg_buffers(kernel, narg);
}
void OpenCLDevice::flush_texture_buffers()
{
if(!textures_need_update) {
return;
}
textures_need_update = false;
/* Setup slots for textures. */
int num_slots = 0;
vector<texture_slot_t> texture_slots;
#define KERNEL_TEX(type, name) \
if(textures.find(#name) != textures.end()) { \
texture_slots.push_back(texture_slot_t(#name, num_slots)); \
} \
num_slots++;
#include "kernel/kernel_textures.h"
int num_data_slots = num_slots;
foreach(TexturesMap::value_type& tex, textures) {
string name = tex.first;
if(string_startswith(name, "__tex_image")) {
int pos = name.rfind("_");
int id = atoi(name.data() + pos + 1);
texture_slots.push_back(texture_slot_t(name,
num_data_slots + id));
num_slots = max(num_slots, num_data_slots + id + 1);
}
}
/* Realloc texture descriptors buffer. */
memory_manager.free(texture_info);
texture_info.resize(num_slots);
memory_manager.alloc("texture_info", texture_info);
/* Fill in descriptors */
foreach(texture_slot_t& slot, texture_slots) {
TextureInfo& info = texture_info[slot.slot];
MemoryManager::BufferDescriptor desc = memory_manager.get_descriptor(slot.name);
info.data = desc.offset;
info.cl_buffer = desc.device_buffer;
if(string_startswith(slot.name, "__tex_image")) {
device_memory *mem = textures[slot.name];
info.width = mem->data_width;
info.height = mem->data_height;
info.depth = mem->data_depth;
info.interpolation = mem->interpolation;
info.extension = mem->extension;
}
}
/* Force write of descriptors. */
memory_manager.free(texture_info);
memory_manager.alloc("texture_info", texture_info);
}
void OpenCLDevice::thread_run(DeviceTask *task)
{
flush_texture_buffers();
if(task->type == DeviceTask::FILM_CONVERT) {
film_convert(*task, task->buffer, task->rgba_byte, task->rgba_half);
}
else if(task->type == DeviceTask::SHADER) {
shader(*task);
}
else if(task->type == DeviceTask::RENDER) {
RenderTile tile;
DenoisingTask denoising(this, *task);
/* Allocate buffer for kernel globals */
device_only_memory<KernelGlobalsDummy> kgbuffer(this, "kernel_globals");
kgbuffer.alloc_to_device(1);
/* Keep rendering tiles until done. */
while(task->acquire_tile(this, tile)) {
if(tile.task == RenderTile::PATH_TRACE) {
assert(tile.task == RenderTile::PATH_TRACE);
scoped_timer timer(&tile.buffers->render_time);
split_kernel->path_trace(task,
tile,
kgbuffer,
*const_mem_map["__data"]);
/* Complete kernel execution before release tile. */
/* This helps in multi-device render;
* The device that reaches the critical-section function
* release_tile waits (stalling other devices from entering
* release_tile) for all kernels to complete. If device1 (a
* slow-render device) reaches release_tile first then it would
* stall device2 (a fast-render device) from proceeding to render
* next tile.
*/
clFinish(cqCommandQueue);
}
else if(tile.task == RenderTile::DENOISE) {
tile.sample = tile.start_sample + tile.num_samples;
denoise(tile, denoising);
task->update_progress(&tile, tile.w*tile.h);
}
task->release_tile(tile);
}
kgbuffer.free();
}
}
void OpenCLDevice::film_convert(DeviceTask& task, device_ptr buffer, device_ptr rgba_byte, device_ptr rgba_half)
{
/* cast arguments to cl types */
cl_mem d_data = CL_MEM_PTR(const_mem_map["__data"]->device_pointer);
cl_mem d_rgba = (rgba_byte)? CL_MEM_PTR(rgba_byte): CL_MEM_PTR(rgba_half);
cl_mem d_buffer = CL_MEM_PTR(buffer);
cl_int d_x = task.x;
cl_int d_y = task.y;
cl_int d_w = task.w;
cl_int d_h = task.h;
cl_float d_sample_scale = 1.0f/(task.sample + 1);
cl_int d_offset = task.offset;
cl_int d_stride = task.stride;
cl_kernel ckFilmConvertKernel = (rgba_byte)? base_program(ustring("convert_to_byte")): base_program(ustring("convert_to_half_float"));
cl_uint start_arg_index =
kernel_set_args(ckFilmConvertKernel,
0,
d_data,
d_rgba,
d_buffer);
set_kernel_arg_buffers(ckFilmConvertKernel, &start_arg_index);
start_arg_index += kernel_set_args(ckFilmConvertKernel,
start_arg_index,
d_sample_scale,
d_x,
d_y,
d_w,
d_h,
d_offset,
d_stride);
enqueue_kernel(ckFilmConvertKernel, d_w, d_h);
}
bool OpenCLDevice::denoising_non_local_means(device_ptr image_ptr,
device_ptr guide_ptr,
device_ptr variance_ptr,
device_ptr out_ptr,
DenoisingTask *task)
{
int stride = task->buffer.stride;
int w = task->buffer.width;
int h = task->buffer.h;
int r = task->nlm_state.r;
int f = task->nlm_state.f;
float a = task->nlm_state.a;
float k_2 = task->nlm_state.k_2;
int pass_stride = task->buffer.pass_stride;
int num_shifts = (2*r+1)*(2*r+1);
int channel_offset = task->nlm_state.is_color? task->buffer.pass_stride : 0;
device_sub_ptr difference(task->buffer.temporary_mem, 0, pass_stride*num_shifts);
device_sub_ptr blurDifference(task->buffer.temporary_mem, pass_stride*num_shifts, pass_stride*num_shifts);
device_sub_ptr weightAccum(task->buffer.temporary_mem, 2*pass_stride*num_shifts, pass_stride);
cl_mem weightAccum_mem = CL_MEM_PTR(*weightAccum);
cl_mem difference_mem = CL_MEM_PTR(*difference);
cl_mem blurDifference_mem = CL_MEM_PTR(*blurDifference);
cl_mem image_mem = CL_MEM_PTR(image_ptr);
cl_mem guide_mem = CL_MEM_PTR(guide_ptr);
cl_mem variance_mem = CL_MEM_PTR(variance_ptr);
cl_mem out_mem = CL_MEM_PTR(out_ptr);
cl_mem scale_mem = NULL;
mem_zero_kernel(*weightAccum, sizeof(float)*pass_stride);
mem_zero_kernel(out_ptr, sizeof(float)*pass_stride);
cl_kernel ckNLMCalcDifference = denoising_program(ustring("filter_nlm_calc_difference"));
cl_kernel ckNLMBlur = denoising_program(ustring("filter_nlm_blur"));
cl_kernel ckNLMCalcWeight = denoising_program(ustring("filter_nlm_calc_weight"));
cl_kernel ckNLMUpdateOutput = denoising_program(ustring("filter_nlm_update_output"));
cl_kernel ckNLMNormalize = denoising_program(ustring("filter_nlm_normalize"));
kernel_set_args(ckNLMCalcDifference, 0,
guide_mem,
variance_mem,
scale_mem,
difference_mem,
w, h, stride,
pass_stride,
r, channel_offset,
0, a, k_2);
kernel_set_args(ckNLMBlur, 0,
difference_mem,
blurDifference_mem,
w, h, stride,
pass_stride,
r, f);
kernel_set_args(ckNLMCalcWeight, 0,
blurDifference_mem,
difference_mem,
w, h, stride,
pass_stride,
r, f);
kernel_set_args(ckNLMUpdateOutput, 0,
blurDifference_mem,
image_mem,
out_mem,
weightAccum_mem,
w, h, stride,
pass_stride,
channel_offset,
r, f);
enqueue_kernel(ckNLMCalcDifference, w*h, num_shifts, true);
enqueue_kernel(ckNLMBlur, w*h, num_shifts, true);
enqueue_kernel(ckNLMCalcWeight, w*h, num_shifts, true);
enqueue_kernel(ckNLMBlur, w*h, num_shifts, true);
enqueue_kernel(ckNLMUpdateOutput, w*h, num_shifts, true);
kernel_set_args(ckNLMNormalize, 0,
out_mem, weightAccum_mem, w, h, stride);
enqueue_kernel(ckNLMNormalize, w, h);
return true;
}
bool OpenCLDevice::denoising_construct_transform(DenoisingTask *task)
{
cl_mem buffer_mem = CL_MEM_PTR(task->buffer.mem.device_pointer);
cl_mem transform_mem = CL_MEM_PTR(task->storage.transform.device_pointer);
cl_mem rank_mem = CL_MEM_PTR(task->storage.rank.device_pointer);
cl_mem tile_info_mem = CL_MEM_PTR(task->tile_info_mem.device_pointer);
char use_time = task->buffer.use_time? 1 : 0;
cl_kernel ckFilterConstructTransform = denoising_program(ustring("filter_construct_transform"));
int arg_ofs = kernel_set_args(ckFilterConstructTransform, 0,
buffer_mem,
tile_info_mem);
cl_mem buffers[9];
for(int i = 0; i < 9; i++) {
buffers[i] = CL_MEM_PTR(task->tile_info->buffers[i]);
arg_ofs += kernel_set_args(ckFilterConstructTransform,
arg_ofs,
buffers[i]);
}
kernel_set_args(ckFilterConstructTransform,
arg_ofs,
transform_mem,
rank_mem,
task->filter_area,
task->rect,
task->buffer.pass_stride,
task->buffer.frame_stride,
use_time,
task->radius,
task->pca_threshold);
enqueue_kernel(ckFilterConstructTransform,
task->storage.w,
task->storage.h,
256);
return true;
}
bool OpenCLDevice::denoising_accumulate(device_ptr color_ptr,
device_ptr color_variance_ptr,
device_ptr scale_ptr,
int frame,
DenoisingTask *task)
{
cl_mem color_mem = CL_MEM_PTR(color_ptr);
cl_mem color_variance_mem = CL_MEM_PTR(color_variance_ptr);
cl_mem scale_mem = CL_MEM_PTR(scale_ptr);
cl_mem buffer_mem = CL_MEM_PTR(task->buffer.mem.device_pointer);
cl_mem transform_mem = CL_MEM_PTR(task->storage.transform.device_pointer);
cl_mem rank_mem = CL_MEM_PTR(task->storage.rank.device_pointer);
cl_mem XtWX_mem = CL_MEM_PTR(task->storage.XtWX.device_pointer);
cl_mem XtWY_mem = CL_MEM_PTR(task->storage.XtWY.device_pointer);
cl_kernel ckNLMCalcDifference = denoising_program(ustring("filter_nlm_calc_difference"));
cl_kernel ckNLMBlur = denoising_program(ustring("filter_nlm_blur"));
cl_kernel ckNLMCalcWeight = denoising_program(ustring("filter_nlm_calc_weight"));
cl_kernel ckNLMConstructGramian = denoising_program(ustring("filter_nlm_construct_gramian"));
int w = task->reconstruction_state.source_w;
int h = task->reconstruction_state.source_h;
int stride = task->buffer.stride;
int frame_offset = frame * task->buffer.frame_stride;
int t = task->tile_info->frames[frame];
char use_time = task->buffer.use_time? 1 : 0;
int r = task->radius;
int pass_stride = task->buffer.pass_stride;
int num_shifts = (2*r+1)*(2*r+1);
device_sub_ptr difference(task->buffer.temporary_mem, 0, pass_stride*num_shifts);
device_sub_ptr blurDifference(task->buffer.temporary_mem, pass_stride*num_shifts, pass_stride*num_shifts);
cl_mem difference_mem = CL_MEM_PTR(*difference);
cl_mem blurDifference_mem = CL_MEM_PTR(*blurDifference);
kernel_set_args(ckNLMCalcDifference, 0,
color_mem,
color_variance_mem,
scale_mem,
difference_mem,
w, h, stride,
pass_stride,
r,
pass_stride,
frame_offset,
1.0f, task->nlm_k_2);
kernel_set_args(ckNLMBlur, 0,
difference_mem,
blurDifference_mem,
w, h, stride,
pass_stride,
r, 4);
kernel_set_args(ckNLMCalcWeight, 0,
blurDifference_mem,
difference_mem,
w, h, stride,
pass_stride,
r, 4);
kernel_set_args(ckNLMConstructGramian, 0,
t,
blurDifference_mem,
buffer_mem,
transform_mem,
rank_mem,
XtWX_mem,
XtWY_mem,
task->reconstruction_state.filter_window,
w, h, stride,
pass_stride,
r, 4,
frame_offset,
use_time);
enqueue_kernel(ckNLMCalcDifference, w*h, num_shifts, true);
enqueue_kernel(ckNLMBlur, w*h, num_shifts, true);
enqueue_kernel(ckNLMCalcWeight, w*h, num_shifts, true);
enqueue_kernel(ckNLMBlur, w*h, num_shifts, true);
enqueue_kernel(ckNLMConstructGramian, w*h, num_shifts, true, 256);
return true;
}
bool OpenCLDevice::denoising_solve(device_ptr output_ptr,
DenoisingTask *task)
{
cl_kernel ckFinalize = denoising_program(ustring("filter_finalize"));
cl_mem output_mem = CL_MEM_PTR(output_ptr);
cl_mem rank_mem = CL_MEM_PTR(task->storage.rank.device_pointer);
cl_mem XtWX_mem = CL_MEM_PTR(task->storage.XtWX.device_pointer);
cl_mem XtWY_mem = CL_MEM_PTR(task->storage.XtWY.device_pointer);
int w = task->reconstruction_state.source_w;
int h = task->reconstruction_state.source_h;
kernel_set_args(ckFinalize, 0,
output_mem,
rank_mem,
XtWX_mem,
XtWY_mem,
task->filter_area,
task->reconstruction_state.buffer_params,
task->render_buffer.samples);
enqueue_kernel(ckFinalize, w, h);
return true;
}
bool OpenCLDevice::denoising_combine_halves(device_ptr a_ptr,
device_ptr b_ptr,
device_ptr mean_ptr,
device_ptr variance_ptr,
int r, int4 rect,
DenoisingTask *task)
{
cl_mem a_mem = CL_MEM_PTR(a_ptr);
cl_mem b_mem = CL_MEM_PTR(b_ptr);
cl_mem mean_mem = CL_MEM_PTR(mean_ptr);
cl_mem variance_mem = CL_MEM_PTR(variance_ptr);
cl_kernel ckFilterCombineHalves = denoising_program(ustring("filter_combine_halves"));
kernel_set_args(ckFilterCombineHalves, 0,
mean_mem,
variance_mem,
a_mem,
b_mem,
rect,
r);
enqueue_kernel(ckFilterCombineHalves,
task->rect.z-task->rect.x,
task->rect.w-task->rect.y);
return true;
}
bool OpenCLDevice::denoising_divide_shadow(device_ptr a_ptr,
device_ptr b_ptr,
device_ptr sample_variance_ptr,
device_ptr sv_variance_ptr,
device_ptr buffer_variance_ptr,
DenoisingTask *task)
{
cl_mem a_mem = CL_MEM_PTR(a_ptr);
cl_mem b_mem = CL_MEM_PTR(b_ptr);
cl_mem sample_variance_mem = CL_MEM_PTR(sample_variance_ptr);
cl_mem sv_variance_mem = CL_MEM_PTR(sv_variance_ptr);
cl_mem buffer_variance_mem = CL_MEM_PTR(buffer_variance_ptr);
cl_mem tile_info_mem = CL_MEM_PTR(task->tile_info_mem.device_pointer);
cl_kernel ckFilterDivideShadow = denoising_program(ustring("filter_divide_shadow"));
int arg_ofs = kernel_set_args(ckFilterDivideShadow, 0,
task->render_buffer.samples,
tile_info_mem);
cl_mem buffers[9];
for(int i = 0; i < 9; i++) {
buffers[i] = CL_MEM_PTR(task->tile_info->buffers[i]);
arg_ofs += kernel_set_args(ckFilterDivideShadow, arg_ofs,
buffers[i]);
}
kernel_set_args(ckFilterDivideShadow, arg_ofs,
a_mem,
b_mem,
sample_variance_mem,
sv_variance_mem,
buffer_variance_mem,
task->rect,
task->render_buffer.pass_stride,
task->render_buffer.offset);
enqueue_kernel(ckFilterDivideShadow,
task->rect.z-task->rect.x,
task->rect.w-task->rect.y);
return true;
}
bool OpenCLDevice::denoising_get_feature(int mean_offset,
int variance_offset,
device_ptr mean_ptr,
device_ptr variance_ptr,
float scale,
DenoisingTask *task)
{
cl_mem mean_mem = CL_MEM_PTR(mean_ptr);
cl_mem variance_mem = CL_MEM_PTR(variance_ptr);
cl_mem tile_info_mem = CL_MEM_PTR(task->tile_info_mem.device_pointer);
cl_kernel ckFilterGetFeature = denoising_program(ustring("filter_get_feature"));
int arg_ofs = kernel_set_args(ckFilterGetFeature, 0,
task->render_buffer.samples,
tile_info_mem);
cl_mem buffers[9];
for(int i = 0; i < 9; i++) {
buffers[i] = CL_MEM_PTR(task->tile_info->buffers[i]);
arg_ofs += kernel_set_args(ckFilterGetFeature, arg_ofs,
buffers[i]);
}
kernel_set_args(ckFilterGetFeature, arg_ofs,
mean_offset,
variance_offset,
mean_mem,
variance_mem,
scale,
task->rect,
task->render_buffer.pass_stride,
task->render_buffer.offset);
enqueue_kernel(ckFilterGetFeature,
task->rect.z-task->rect.x,
task->rect.w-task->rect.y);
return true;
}
bool OpenCLDevice::denoising_write_feature(int out_offset,
device_ptr from_ptr,
device_ptr buffer_ptr,
DenoisingTask *task)
{
cl_mem from_mem = CL_MEM_PTR(from_ptr);
cl_mem buffer_mem = CL_MEM_PTR(buffer_ptr);
cl_kernel ckFilterWriteFeature = denoising_program(ustring("filter_write_feature"));
kernel_set_args(ckFilterWriteFeature, 0,
task->render_buffer.samples,
task->reconstruction_state.buffer_params,
task->filter_area,
from_mem,
buffer_mem,
out_offset,
task->rect);
enqueue_kernel(ckFilterWriteFeature,
task->filter_area.z,
task->filter_area.w);
return true;
}
bool OpenCLDevice::denoising_detect_outliers(device_ptr image_ptr,
device_ptr variance_ptr,
device_ptr depth_ptr,
device_ptr output_ptr,
DenoisingTask *task)
{
cl_mem image_mem = CL_MEM_PTR(image_ptr);
cl_mem variance_mem = CL_MEM_PTR(variance_ptr);
cl_mem depth_mem = CL_MEM_PTR(depth_ptr);
cl_mem output_mem = CL_MEM_PTR(output_ptr);
cl_kernel ckFilterDetectOutliers = denoising_program(ustring("filter_detect_outliers"));
kernel_set_args(ckFilterDetectOutliers, 0,
image_mem,
variance_mem,
depth_mem,
output_mem,
task->rect,
task->buffer.pass_stride);
enqueue_kernel(ckFilterDetectOutliers,
task->rect.z-task->rect.x,
task->rect.w-task->rect.y);
return true;
}
void OpenCLDevice::denoise(RenderTile &rtile, DenoisingTask& denoising)
{
denoising.functions.construct_transform = function_bind(&OpenCLDevice::denoising_construct_transform, this, &denoising);
denoising.functions.accumulate = function_bind(&OpenCLDevice::denoising_accumulate, this, _1, _2, _3, _4, &denoising);
denoising.functions.solve = function_bind(&OpenCLDevice::denoising_solve, this, _1, &denoising);
denoising.functions.divide_shadow = function_bind(&OpenCLDevice::denoising_divide_shadow, this, _1, _2, _3, _4, _5, &denoising);
denoising.functions.non_local_means = function_bind(&OpenCLDevice::denoising_non_local_means, this, _1, _2, _3, _4, &denoising);
denoising.functions.combine_halves = function_bind(&OpenCLDevice::denoising_combine_halves, this, _1, _2, _3, _4, _5, _6, &denoising);
denoising.functions.get_feature = function_bind(&OpenCLDevice::denoising_get_feature, this, _1, _2, _3, _4, _5, &denoising);
denoising.functions.write_feature = function_bind(&OpenCLDevice::denoising_write_feature, this, _1, _2, _3, &denoising);
denoising.functions.detect_outliers = function_bind(&OpenCLDevice::denoising_detect_outliers, this, _1, _2, _3, _4, &denoising);
denoising.filter_area = make_int4(rtile.x, rtile.y, rtile.w, rtile.h);
denoising.render_buffer.samples = rtile.sample;
denoising.buffer.gpu_temporary_mem = true;
denoising.run_denoising(&rtile);
}
void OpenCLDevice::shader(DeviceTask& task)
{
/* cast arguments to cl types */
cl_mem d_data = CL_MEM_PTR(const_mem_map["__data"]->device_pointer);
cl_mem d_input = CL_MEM_PTR(task.shader_input);
cl_mem d_output = CL_MEM_PTR(task.shader_output);
cl_int d_shader_eval_type = task.shader_eval_type;
cl_int d_shader_filter = task.shader_filter;
cl_int d_shader_x = task.shader_x;
cl_int d_shader_w = task.shader_w;
cl_int d_offset = task.offset;
cl_kernel kernel;
if(task.shader_eval_type >= SHADER_EVAL_BAKE) {
kernel = bake_program(ustring("bake"));
}
else if(task.shader_eval_type == SHADER_EVAL_DISPLACE) {
kernel = displace_program(ustring("displace"));
}
else {
kernel = background_program(ustring("background"));
}
cl_uint start_arg_index =
kernel_set_args(kernel,
0,
d_data,
d_input,
d_output);
set_kernel_arg_buffers(kernel, &start_arg_index);
start_arg_index += kernel_set_args(kernel,
start_arg_index,
d_shader_eval_type);
if(task.shader_eval_type >= SHADER_EVAL_BAKE) {
start_arg_index += kernel_set_args(kernel,
start_arg_index,
d_shader_filter);
}
start_arg_index += kernel_set_args(kernel,
start_arg_index,
d_shader_x,
d_shader_w,
d_offset);
for(int sample = 0; sample < task.num_samples; sample++) {
if(task.get_cancel())
break;
kernel_set_args(kernel, start_arg_index, sample);
enqueue_kernel(kernel, task.shader_w, 1);
clFinish(cqCommandQueue);
task.update_progress(NULL);
}
}
string OpenCLDevice::kernel_build_options(const string *debug_src)
{
string build_options = "-cl-no-signed-zeros -cl-mad-enable ";
if(platform_name == "NVIDIA CUDA") {
build_options += "-D__KERNEL_OPENCL_NVIDIA__ "
"-cl-nv-maxrregcount=32 "
"-cl-nv-verbose ";
uint compute_capability_major, compute_capability_minor;
clGetDeviceInfo(cdDevice, CL_DEVICE_COMPUTE_CAPABILITY_MAJOR_NV,
sizeof(cl_uint), &compute_capability_major, NULL);
clGetDeviceInfo(cdDevice, CL_DEVICE_COMPUTE_CAPABILITY_MINOR_NV,
sizeof(cl_uint), &compute_capability_minor, NULL);
build_options += string_printf("-D__COMPUTE_CAPABILITY__=%u ",
compute_capability_major * 100 +
compute_capability_minor * 10);
}
else if(platform_name == "Apple")
build_options += "-D__KERNEL_OPENCL_APPLE__ ";
else if(platform_name == "AMD Accelerated Parallel Processing")
build_options += "-D__KERNEL_OPENCL_AMD__ ";
else if(platform_name == "Intel(R) OpenCL") {
build_options += "-D__KERNEL_OPENCL_INTEL_CPU__ ";
/* Options for gdb source level kernel debugging.
* this segfaults on linux currently.
*/
if(OpenCLInfo::use_debug() && debug_src)
build_options += "-g -s \"" + *debug_src + "\" ";
}
if(info.has_half_images) {
build_options += "-D__KERNEL_CL_KHR_FP16__ ";
}
if(OpenCLInfo::use_debug()) {
build_options += "-D__KERNEL_OPENCL_DEBUG__ ";
}
#ifdef WITH_CYCLES_DEBUG
build_options += "-D__KERNEL_DEBUG__ ";
#endif
return build_options;
}
/* TODO(sergey): In the future we can use variadic templates, once
* C++0x is allowed. Should allow to clean this up a bit.
*/
int OpenCLDevice::kernel_set_args(cl_kernel kernel,
int start_argument_index,
const ArgumentWrapper& arg1,
const ArgumentWrapper& arg2,
const ArgumentWrapper& arg3,
const ArgumentWrapper& arg4,
const ArgumentWrapper& arg5,
const ArgumentWrapper& arg6,
const ArgumentWrapper& arg7,
const ArgumentWrapper& arg8,
const ArgumentWrapper& arg9,
const ArgumentWrapper& arg10,
const ArgumentWrapper& arg11,
const ArgumentWrapper& arg12,
const ArgumentWrapper& arg13,
const ArgumentWrapper& arg14,
const ArgumentWrapper& arg15,
const ArgumentWrapper& arg16,
const ArgumentWrapper& arg17,
const ArgumentWrapper& arg18,
const ArgumentWrapper& arg19,
const ArgumentWrapper& arg20,
const ArgumentWrapper& arg21,
const ArgumentWrapper& arg22,
const ArgumentWrapper& arg23,
const ArgumentWrapper& arg24,
const ArgumentWrapper& arg25,
const ArgumentWrapper& arg26,
const ArgumentWrapper& arg27,
const ArgumentWrapper& arg28,
const ArgumentWrapper& arg29,
const ArgumentWrapper& arg30,
const ArgumentWrapper& arg31,
const ArgumentWrapper& arg32,
const ArgumentWrapper& arg33)
{
int current_arg_index = 0;
#define FAKE_VARARG_HANDLE_ARG(arg) \
do { \
if(arg.pointer != NULL) { \
opencl_assert(clSetKernelArg( \
kernel, \
start_argument_index + current_arg_index, \
arg.size, arg.pointer)); \
++current_arg_index; \
} \
else { \
return current_arg_index; \
} \
} while(false)
FAKE_VARARG_HANDLE_ARG(arg1);
FAKE_VARARG_HANDLE_ARG(arg2);
FAKE_VARARG_HANDLE_ARG(arg3);
FAKE_VARARG_HANDLE_ARG(arg4);
FAKE_VARARG_HANDLE_ARG(arg5);
FAKE_VARARG_HANDLE_ARG(arg6);
FAKE_VARARG_HANDLE_ARG(arg7);
FAKE_VARARG_HANDLE_ARG(arg8);
FAKE_VARARG_HANDLE_ARG(arg9);
FAKE_VARARG_HANDLE_ARG(arg10);
FAKE_VARARG_HANDLE_ARG(arg11);
FAKE_VARARG_HANDLE_ARG(arg12);
FAKE_VARARG_HANDLE_ARG(arg13);
FAKE_VARARG_HANDLE_ARG(arg14);
FAKE_VARARG_HANDLE_ARG(arg15);
FAKE_VARARG_HANDLE_ARG(arg16);
FAKE_VARARG_HANDLE_ARG(arg17);
FAKE_VARARG_HANDLE_ARG(arg18);
FAKE_VARARG_HANDLE_ARG(arg19);
FAKE_VARARG_HANDLE_ARG(arg20);
FAKE_VARARG_HANDLE_ARG(arg21);
FAKE_VARARG_HANDLE_ARG(arg22);
FAKE_VARARG_HANDLE_ARG(arg23);
FAKE_VARARG_HANDLE_ARG(arg24);
FAKE_VARARG_HANDLE_ARG(arg25);
FAKE_VARARG_HANDLE_ARG(arg26);
FAKE_VARARG_HANDLE_ARG(arg27);
FAKE_VARARG_HANDLE_ARG(arg28);
FAKE_VARARG_HANDLE_ARG(arg29);
FAKE_VARARG_HANDLE_ARG(arg30);
FAKE_VARARG_HANDLE_ARG(arg31);
FAKE_VARARG_HANDLE_ARG(arg32);
FAKE_VARARG_HANDLE_ARG(arg33);
#undef FAKE_VARARG_HANDLE_ARG
return current_arg_index;
}
void OpenCLDevice::release_kernel_safe(cl_kernel kernel)
{
if(kernel) {
clReleaseKernel(kernel);
}
}
void OpenCLDevice::release_mem_object_safe(cl_mem mem)
{
if(mem != NULL) {
clReleaseMemObject(mem);
}
}
void OpenCLDevice::release_program_safe(cl_program program)
{
if(program) {
clReleaseProgram(program);
}
}
/* ** Those guys are for workign around some compiler-specific bugs ** */
cl_program OpenCLDevice::load_cached_kernel(
ustring key,
thread_scoped_lock& cache_locker)
{
return OpenCLCache::get_program(cpPlatform,
cdDevice,
key,
cache_locker);
}
void OpenCLDevice::store_cached_kernel(
cl_program program,
ustring key,
thread_scoped_lock& cache_locker)
{
OpenCLCache::store_program(cpPlatform,
cdDevice,
program,
key,
cache_locker);
}
Device *opencl_create_split_device(DeviceInfo& info, Stats& stats, Profiler &profiler, bool background)
{
return new OpenCLDeviceSplitKernel(info, stats, profiler, background);
return new OpenCLDevice(info, stats, profiler, background);
}
CCL_NAMESPACE_END
#endif /* WITH_OPENCL */
#endif

View File

@@ -243,7 +243,7 @@ string OpenCLCache::get_kernel_md5()
return self.kernel_md5;
}
OpenCLDeviceBase::OpenCLProgram::OpenCLProgram(OpenCLDeviceBase *device,
OpenCLDevice::OpenCLProgram::OpenCLProgram(OpenCLDevice *device,
const string& program_name,
const string& kernel_file,
const string& kernel_build_options,
@@ -258,12 +258,12 @@ OpenCLDeviceBase::OpenCLProgram::OpenCLProgram(OpenCLDeviceBase *device,
program = NULL;
}
OpenCLDeviceBase::OpenCLProgram::~OpenCLProgram()
OpenCLDevice::OpenCLProgram::~OpenCLProgram()
{
release();
}
void OpenCLDeviceBase::OpenCLProgram::release()
void OpenCLDevice::OpenCLProgram::release()
{
for(map<ustring, cl_kernel>::iterator kernel = kernels.begin(); kernel != kernels.end(); ++kernel) {
if(kernel->second) {
@@ -277,7 +277,7 @@ void OpenCLDeviceBase::OpenCLProgram::release()
}
}
void OpenCLDeviceBase::OpenCLProgram::add_log(const string& msg, bool debug)
void OpenCLDevice::OpenCLProgram::add_log(const string& msg, bool debug)
{
if(!use_stdout) {
log += msg + "\n";
@@ -291,7 +291,7 @@ void OpenCLDeviceBase::OpenCLProgram::add_log(const string& msg, bool debug)
}
}
void OpenCLDeviceBase::OpenCLProgram::add_error(const string& msg)
void OpenCLDevice::OpenCLProgram::add_error(const string& msg)
{
if(use_stdout) {
fprintf(stderr, "%s\n", msg.c_str());
@@ -302,14 +302,14 @@ void OpenCLDeviceBase::OpenCLProgram::add_error(const string& msg)
error_msg += msg;
}
void OpenCLDeviceBase::OpenCLProgram::add_kernel(ustring name)
void OpenCLDevice::OpenCLProgram::add_kernel(ustring name)
{
if(!kernels.count(name)) {
kernels[name] = NULL;
}
}
bool OpenCLDeviceBase::OpenCLProgram::build_kernel(const string *debug_src)
bool OpenCLDevice::OpenCLProgram::build_kernel(const string *debug_src)
{
string build_options;
build_options = device->kernel_build_options(debug_src) + kernel_build_options;
@@ -341,7 +341,7 @@ bool OpenCLDeviceBase::OpenCLProgram::build_kernel(const string *debug_src)
return (ciErr == CL_SUCCESS);
}
bool OpenCLDeviceBase::OpenCLProgram::compile_kernel(const string *debug_src)
bool OpenCLDevice::OpenCLProgram::compile_kernel(const string *debug_src)
{
string source = "#include \"kernel/kernels/opencl/" + kernel_file + "\"\n";
/* We compile kernels consisting of many files. unfortunately OpenCL
@@ -389,14 +389,13 @@ static void escape_python_string(string& str)
string_replace(str, "'", "\'");
}
bool OpenCLDeviceBase::OpenCLProgram::compile_separate(const string& clbin)
bool OpenCLDevice::OpenCLProgram::compile_separate(const string& clbin)
{
vector<string> args;
args.push_back("--background");
args.push_back("--factory-startup");
args.push_back("--python-expr");
const char *force_all_platforms = (DebugFlags().opencl.kernel_type != DebugFlags::OpenCL::KERNEL_DEFAULT)? "true" : "false";
int device_platform_id = device->device_num;
string device_name = device->device_name;
string platform_name = device->platform_name;
@@ -412,8 +411,7 @@ bool OpenCLDeviceBase::OpenCLProgram::compile_separate(const string& clbin)
args.push_back(
string_printf(
"import _cycles; _cycles.opencl_compile(r'%s', r'%d', r'%s', r'%s', r'%s', r'%s', r'%s')",
force_all_platforms,
"import _cycles; _cycles.opencl_compile(r'%d', r'%s', r'%s', r'%s', r'%s', r'%s')",
device_platform_id,
device_name.c_str(),
platform_name.c_str(),
@@ -438,20 +436,19 @@ bool OpenCLDeviceBase::OpenCLProgram::compile_separate(const string& clbin)
* module compile kernels. Parameters must match function above. */
bool device_opencl_compile_kernel(const vector<string>& parameters)
{
bool force_all_platforms = parameters[0] == "true";
int device_platform_id = std::stoi(parameters[1]);
const string& device_name = parameters[2];
const string& platform_name = parameters[3];
const string& build_options = parameters[4];
const string& kernel_file = parameters[5];
const string& binary_path = parameters[6];
int device_platform_id = std::stoi(parameters[0]);
const string& device_name = parameters[1];
const string& platform_name = parameters[2];
const string& build_options = parameters[3];
const string& kernel_file = parameters[4];
const string& binary_path = parameters[5];
if(clewInit() != CLEW_SUCCESS) {
return false;
}
vector<OpenCLPlatformDevice> usable_devices;
OpenCLInfo::get_usable_devices(&usable_devices, force_all_platforms);
OpenCLInfo::get_usable_devices(&usable_devices);
if(device_platform_id >= usable_devices.size()) {
return false;
}
@@ -504,7 +501,7 @@ bool device_opencl_compile_kernel(const vector<string>& parameters)
return result;
}
bool OpenCLDeviceBase::OpenCLProgram::load_binary(const string& clbin,
bool OpenCLDevice::OpenCLProgram::load_binary(const string& clbin,
const string *debug_src)
{
/* read binary into memory */
@@ -535,7 +532,7 @@ bool OpenCLDeviceBase::OpenCLProgram::load_binary(const string& clbin,
return true;
}
bool OpenCLDeviceBase::OpenCLProgram::save_binary(const string& clbin)
bool OpenCLDevice::OpenCLProgram::save_binary(const string& clbin)
{
size_t size = 0;
clGetProgramInfo(program, CL_PROGRAM_BINARY_SIZES, sizeof(size_t), &size, NULL);
@@ -551,7 +548,7 @@ bool OpenCLDeviceBase::OpenCLProgram::save_binary(const string& clbin)
return path_write_binary(clbin, binary);
}
void OpenCLDeviceBase::OpenCLProgram::load()
void OpenCLDevice::OpenCLProgram::load()
{
assert(device);
@@ -642,7 +639,7 @@ void OpenCLDeviceBase::OpenCLProgram::load()
loaded = true;
}
void OpenCLDeviceBase::OpenCLProgram::report_error()
void OpenCLDevice::OpenCLProgram::report_error()
{
/* If loaded is true, there was no error. */
if(loaded) return;
@@ -656,13 +653,13 @@ void OpenCLDeviceBase::OpenCLProgram::report_error()
}
}
cl_kernel OpenCLDeviceBase::OpenCLProgram::operator()()
cl_kernel OpenCLDevice::OpenCLProgram::operator()()
{
assert(kernels.size() == 1);
return kernels.begin()->second;
}
cl_kernel OpenCLDeviceBase::OpenCLProgram::operator()(ustring name)
cl_kernel OpenCLDevice::OpenCLProgram::operator()(ustring name)
{
assert(kernels.count(name));
return kernels[name];
@@ -716,28 +713,6 @@ bool OpenCLInfo::kernel_use_advanced_shading(const string& platform)
return false;
}
bool OpenCLInfo::kernel_use_split(const string& platform_name,
const cl_device_type device_type)
{
if(DebugFlags().opencl.kernel_type == DebugFlags::OpenCL::KERNEL_SPLIT) {
VLOG(1) << "Forcing split kernel to use.";
return true;
}
if(DebugFlags().opencl.kernel_type == DebugFlags::OpenCL::KERNEL_MEGA) {
VLOG(1) << "Forcing mega kernel to use.";
return false;
}
/* TODO(sergey): Replace string lookups with more enum-like API,
* similar to device/vendor checks blender's gpu.
*/
if(platform_name == "AMD Accelerated Parallel Processing" &&
device_type == CL_DEVICE_TYPE_GPU)
{
return true;
}
return false;
}
bool OpenCLInfo::device_supported(const string& platform_name,
const cl_device_id device_id)
{
@@ -878,8 +853,6 @@ string OpenCLInfo::get_hardware_id(const string& platform_name, cl_device_id dev
void OpenCLInfo::get_usable_devices(vector<OpenCLPlatformDevice> *usable_devices,
bool force_all)
{
const bool force_all_platforms = force_all ||
(DebugFlags().opencl.kernel_type != DebugFlags::OpenCL::KERNEL_DEFAULT);
const cl_device_type device_type = OpenCLInfo::device_type();
static bool first_time = true;
#define FIRST_VLOG(severity) if(first_time) VLOG(severity)
@@ -952,7 +925,7 @@ void OpenCLInfo::get_usable_devices(vector<OpenCLPlatformDevice> *usable_devices
<< " due to old compiler version.";
continue;
}
if(force_all_platforms ||
if(force_all ||
device_supported(platform_name, device_id))
{
cl_device_type device_type;

View File

@@ -36,8 +36,8 @@ set(SRC_CUDA_KERNELS
)
set(SRC_OPENCL_KERNELS
kernels/opencl/kernel.cl
kernels/opencl/kernel_bake.cl
kernels/opencl/kernel_base.cl
kernels/opencl/kernel_displace.cl
kernels/opencl/kernel_background.cl
kernels/opencl/kernel_state_buffer_size.cl

View File

@@ -14,72 +14,14 @@
* limitations under the License.
*/
/* OpenCL kernel entry points - unfinished */
/* OpenCL base kernels entry points */
#include "kernel/kernel_compat_opencl.h"
#include "kernel/kernel_math.h"
#include "kernel/kernel_types.h"
#include "kernel/kernel_globals.h"
#include "kernel/kernel_color.h"
#include "kernel/kernels/opencl/kernel_opencl_image.h"
#include "kernel/kernel_film.h"
#if defined(__COMPILE_ONLY_MEGAKERNEL__) || !defined(__NO_BAKING__)
# include "kernel/kernel_path.h"
# include "kernel/kernel_path_branched.h"
#else /* __COMPILE_ONLY_MEGAKERNEL__ */
/* Include only actually used headers for the case
* when path tracing kernels are not needed.
*/
# include "kernel/kernel_random.h"
# include "kernel/kernel_differential.h"
# include "kernel/kernel_montecarlo.h"
# include "kernel/kernel_projection.h"
# include "kernel/geom/geom.h"
# include "kernel/bvh/bvh.h"
# include "kernel/kernel_accumulate.h"
# include "kernel/kernel_camera.h"
# include "kernel/kernel_shader.h"
#endif /* defined(__COMPILE_ONLY_MEGAKERNEL__) || !defined(__NO_BAKING__) */
#include "kernel/kernel_bake.h"
#ifdef __COMPILE_ONLY_MEGAKERNEL__
__kernel void kernel_ocl_path_trace(
ccl_constant KernelData *data,
ccl_global float *buffer,
KERNEL_BUFFER_PARAMS,
int sample,
int sx, int sy, int sw, int sh, int offset, int stride)
{
KernelGlobals kglobals, *kg = &kglobals;
kg->data = data;
kernel_set_buffer_pointers(kg, KERNEL_BUFFER_ARGS);
kernel_set_buffer_info(kg);
int x = sx + ccl_global_id(0);
int y = sy + ccl_global_id(1);
bool thread_is_active = x < sx + sw && y < sy + sh;
if(thread_is_active) {
kernel_path_trace(kg, buffer, sample, x, y, offset, stride);
}
if(kernel_data.film.cryptomatte_passes) {
/* Make sure no thread is writing to the buffers. */
ccl_barrier(CCL_LOCAL_MEM_FENCE);
if(thread_is_active) {
kernel_cryptomatte_post(kg, buffer, sample, x, y, offset, stride);
}
}
}
#else /* __COMPILE_ONLY_MEGAKERNEL__ */
__kernel void kernel_ocl_convert_to_byte(
ccl_constant KernelData *data,
@@ -144,5 +86,3 @@ __kernel void kernel_ocl_zero_buffer(ccl_global float4 *buffer, uint64_t size, u
}
}
}
#endif /* __COMPILE_ONLY_MEGAKERNEL__ */

View File

@@ -90,7 +90,6 @@ void DebugFlags::CUDA::reset()
DebugFlags::OpenCL::OpenCL()
: device_type(DebugFlags::OpenCL::DEVICE_ALL),
kernel_type(DebugFlags::OpenCL::KERNEL_DEFAULT),
debug(false),
single_program(false)
{
@@ -122,14 +121,6 @@ void DebugFlags::OpenCL::reset()
device_type = DebugFlags::OpenCL::DEVICE_ACCELERATOR;
}
}
/* Initialize kernel type from environment variables. */
kernel_type = DebugFlags::OpenCL::KERNEL_DEFAULT;
if(getenv("CYCLES_OPENCL_MEGA_KERNEL_TEST") != NULL) {
kernel_type = DebugFlags::OpenCL::KERNEL_MEGA;
}
else if(getenv("CYCLES_OPENCL_SPLIT_KERNEL_TEST") != NULL) {
kernel_type = DebugFlags::OpenCL::KERNEL_SPLIT;
}
/* Initialize other flags from environment variables. */
debug = (getenv("CYCLES_OPENCL_DEBUG") != NULL);
single_program = (getenv("CYCLES_OPENCL_SINGLE_PROGRAM") != NULL);
@@ -164,8 +155,7 @@ std::ostream& operator <<(std::ostream &os,
os << "CUDA flags:\n"
<< " Adaptive Compile: " << string_from_bool(debug_flags.cuda.adaptive_compile) << "\n";
const char *opencl_device_type,
*opencl_kernel_type;
const char *opencl_device_type;
switch(debug_flags.opencl.device_type) {
case DebugFlags::OpenCL::DEVICE_NONE:
opencl_device_type = "NONE";
@@ -186,20 +176,8 @@ std::ostream& operator <<(std::ostream &os,
opencl_device_type = "ACCELERATOR";
break;
}
switch(debug_flags.opencl.kernel_type) {
case DebugFlags::OpenCL::KERNEL_DEFAULT:
opencl_kernel_type = "DEFAULT";
break;
case DebugFlags::OpenCL::KERNEL_MEGA:
opencl_kernel_type = "MEGA";
break;
case DebugFlags::OpenCL::KERNEL_SPLIT:
opencl_kernel_type = "SPLIT";
break;
}
os << "OpenCL flags:\n"
<< " Device type : " << opencl_device_type << "\n"
<< " Kernel type : " << opencl_kernel_type << "\n"
<< " Debug : " << string_from_bool(debug_flags.opencl.debug) << "\n"
<< " Single program : " << string_from_bool(debug_flags.opencl.single_program) << "\n"
<< " Memory limit : " << string_human_readable_size(debug_flags.opencl.mem_limit) << "\n";

View File

@@ -123,9 +123,6 @@ public:
/* Requested device type. */
DeviceType device_type;
/* Requested kernel type. */
KernelType kernel_type;
/* Use debug version of the kernel. */
bool debug;