| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "impeller/renderer/compute_command.h" |
| |
| #include "impeller/base/validation.h" |
| #include "impeller/renderer/formats.h" |
| #include "impeller/renderer/vertex_descriptor.h" |
| |
| namespace impeller { |
| |
| bool ComputeCommand::BindResource(ShaderStage stage, |
| const ShaderUniformSlot& slot, |
| const ShaderMetadata& metadata, |
| BufferView view) { |
| if (stage != ShaderStage::kCompute) { |
| VALIDATION_LOG << "Use Command for non-compute shader stages."; |
| return false; |
| } |
| if (!view) { |
| return false; |
| } |
| |
| bindings.buffers[slot.ext_res_0] = {&metadata, view}; |
| return true; |
| } |
| |
| bool ComputeCommand::BindResource(ShaderStage stage, |
| const SampledImageSlot& slot, |
| const ShaderMetadata& metadata, |
| std::shared_ptr<const Texture> texture) { |
| if (stage != ShaderStage::kCompute) { |
| VALIDATION_LOG << "Use Command for non-compute shader stages."; |
| return false; |
| } |
| if (!texture || !texture->IsValid()) { |
| return false; |
| } |
| |
| if (!slot.HasTexture()) { |
| return true; |
| } |
| |
| bindings.textures[slot.texture_index] = {&metadata, texture}; |
| return true; |
| } |
| |
| bool ComputeCommand::BindResource(ShaderStage stage, |
| const SampledImageSlot& slot, |
| const ShaderMetadata& metadata, |
| std::shared_ptr<const Sampler> sampler) { |
| if (stage != ShaderStage::kCompute) { |
| VALIDATION_LOG << "Use Command for non-compute shader stages."; |
| return false; |
| } |
| if (!sampler || !sampler->IsValid()) { |
| return false; |
| } |
| |
| if (!slot.HasSampler()) { |
| return true; |
| } |
| |
| bindings.samplers[slot.sampler_index] = {&metadata, sampler}; |
| return true; |
| } |
| |
| bool ComputeCommand::BindResource(ShaderStage stage, |
| const SampledImageSlot& slot, |
| const ShaderMetadata& metadata, |
| std::shared_ptr<const Texture> texture, |
| std::shared_ptr<const Sampler> sampler) { |
| if (stage != ShaderStage::kCompute) { |
| VALIDATION_LOG << "Use Command for non-compute shader stages."; |
| return false; |
| } |
| return BindResource(stage, slot, metadata, texture) && |
| BindResource(stage, slot, metadata, sampler); |
| } |
| |
| } // namespace impeller |