4ecd6abf78
Anisotropy samplers are optional in Vulkan. This change will disable anisotropy samplers when the feature isn't available on the device. The support for anisotropy samplers is around 90% so would not expect any compatibility issues. Pull Request: https://projects.blender.org/blender/blender/pulls/114833
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup gpu
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*/
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#include "vk_sampler.hh"
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#include "vk_backend.hh"
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#include "vk_context.hh"
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#include "vk_memory.hh"
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#include "DNA_userdef_types.h"
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namespace blender::gpu {
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VKSampler::~VKSampler()
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{
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free();
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}
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void VKSampler::create(const GPUSamplerState &sampler_state)
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{
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BLI_assert(sampler_state.type != GPU_SAMPLER_STATE_TYPE_INTERNAL);
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BLI_assert(vk_sampler_ == VK_NULL_HANDLE);
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const VKDevice &device = VKBackend::get().device_get();
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VkSamplerCreateInfo sampler_info = {};
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sampler_info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
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if (sampler_state.type == GPU_SAMPLER_STATE_TYPE_PARAMETERS) {
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/* Apply filtering. */
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if (sampler_state.filtering & GPU_SAMPLER_FILTERING_LINEAR) {
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sampler_info.magFilter = VK_FILTER_LINEAR;
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sampler_info.minFilter = VK_FILTER_LINEAR;
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}
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if (sampler_state.filtering & GPU_SAMPLER_FILTERING_MIPMAP) {
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sampler_info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
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}
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if (device.physical_device_features_get().samplerAnisotropy == VK_TRUE &&
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sampler_state.filtering & GPU_SAMPLER_FILTERING_ANISOTROPIC)
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{
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sampler_info.anisotropyEnable = VK_TRUE;
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sampler_info.maxAnisotropy = min_ff(1.0f, U.anisotropic_filter);
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}
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/* Extend */
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sampler_info.addressModeU = to_vk_sampler_address_mode(sampler_state.extend_x);
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sampler_info.addressModeV = sampler_info.addressModeW = to_vk_sampler_address_mode(
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sampler_state.extend_yz);
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}
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else if (sampler_state.type == GPU_SAMPLER_STATE_TYPE_CUSTOM) {
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if (sampler_state.custom_type == GPU_SAMPLER_CUSTOM_ICON) {
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sampler_info.magFilter = VK_FILTER_LINEAR;
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sampler_info.minFilter = VK_FILTER_LINEAR;
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sampler_info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
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sampler_info.minLod = 0;
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sampler_info.maxLod = 1;
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}
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else if (sampler_state.custom_type == GPU_SAMPLER_CUSTOM_COMPARE) {
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sampler_info.magFilter = VK_FILTER_LINEAR;
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sampler_info.minFilter = VK_FILTER_LINEAR;
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sampler_info.compareEnable = VK_TRUE;
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sampler_info.compareOp = VK_COMPARE_OP_LESS_OR_EQUAL;
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sampler_info.minLod = -1000;
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sampler_info.maxLod = 1000;
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}
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}
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VK_ALLOCATION_CALLBACKS
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vkCreateSampler(device.device_get(), &sampler_info, vk_allocation_callbacks, &vk_sampler_);
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debug::object_label(vk_sampler_, sampler_state.to_string().c_str());
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}
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void VKSampler::free()
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{
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if (vk_sampler_ != VK_NULL_HANDLE) {
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VK_ALLOCATION_CALLBACKS
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const VKDevice &device = VKBackend::get().device_get();
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if (device.device_get() != VK_NULL_HANDLE) {
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vkDestroySampler(device.device_get(), vk_sampler_, vk_allocation_callbacks);
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}
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vk_sampler_ = VK_NULL_HANDLE;
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}
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}
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} // namespace blender::gpu
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