d0c2e68e5f
* Use .empty() and .data() * Use nullptr instead of 0 * No else after return * Simple class member initialization * Add override for virtual methods * Include C++ instead of C headers * Remove some unused includes * Use default constructors * Always use braces * Consistent names in definition and declaration * Change typedef to using Pull Request: https://projects.blender.org/blender/blender/pulls/132361
82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
/* SPDX-FileCopyrightText: 2022 NVIDIA Corporation
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* SPDX-FileCopyrightText: 2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#include "hydra/output_driver.h"
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#include "hydra/render_buffer.h"
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#include "hydra/session.h"
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HDCYCLES_NAMESPACE_OPEN_SCOPE
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HdCyclesOutputDriver::HdCyclesOutputDriver(HdCyclesSession *renderParam)
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: _renderParam(renderParam)
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{
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}
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void HdCyclesOutputDriver::write_render_tile(const Tile &tile)
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{
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update_render_tile(tile);
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// Update convergence state of all render buffers
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for (const HdRenderPassAovBinding &aovBinding : _renderParam->GetAovBindings()) {
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if (auto *const renderBuffer = static_cast<HdCyclesRenderBuffer *>(aovBinding.renderBuffer)) {
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renderBuffer->SetConverged(true);
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}
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}
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}
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bool HdCyclesOutputDriver::update_render_tile(const Tile &tile)
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{
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std::vector<float> pixels;
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for (const HdRenderPassAovBinding &aovBinding : _renderParam->GetAovBindings()) {
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if (auto *const renderBuffer = static_cast<HdCyclesRenderBuffer *>(aovBinding.renderBuffer)) {
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if (aovBinding == _renderParam->GetDisplayAovBinding() && renderBuffer->IsResourceUsed()) {
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continue; // Display AOV binding is already updated by Cycles display driver
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}
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const HdFormat format = renderBuffer->GetFormat();
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if (format == HdFormatInvalid) {
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continue; // Skip invalid AOV bindings
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}
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const size_t channels = HdGetComponentCount(format);
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// Avoid extra copy by mapping render buffer directly when dimensions/format match the tile
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if (tile.offset.x == 0 && tile.offset.y == 0 && tile.size.x == renderBuffer->GetWidth() &&
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tile.size.y == renderBuffer->GetHeight() &&
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(format >= HdFormatFloat32 && format <= HdFormatFloat32Vec4))
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{
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float *const data = static_cast<float *>(renderBuffer->Map());
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TF_VERIFY(tile.get_pass_pixels(aovBinding.aovName.GetString(), channels, data));
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renderBuffer->Unmap();
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}
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else {
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pixels.resize(channels * tile.size.x * tile.size.y);
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if (tile.get_pass_pixels(aovBinding.aovName.GetString(), channels, pixels.data())) {
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const bool isId = aovBinding.aovName == HdAovTokens->primId ||
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aovBinding.aovName == HdAovTokens->elementId ||
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aovBinding.aovName == HdAovTokens->instanceId;
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renderBuffer->Map();
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renderBuffer->WritePixels(pixels.data(),
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GfVec2i(tile.offset.x, tile.offset.y),
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GfVec2i(tile.size.x, tile.size.y),
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channels,
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isId);
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renderBuffer->Unmap();
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}
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else {
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// Do not warn on missing elementId, which is a standard AOV but is not implememted
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if (aovBinding.aovName != HdAovTokens->elementId) {
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TF_RUNTIME_ERROR("Could not find pass for AOV '%s'", aovBinding.aovName.GetText());
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}
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}
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}
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}
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}
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return true;
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}
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HDCYCLES_NAMESPACE_CLOSE_SCOPE
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