recording_render_pass.cc

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// 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/entity/contents/test/recording_render_pass.h"
 
#include <utility>
 
namespace impeller {
 
RecordingRenderPass::RecordingRenderPass(
    std::shared_ptr<RenderPass> delegate,
    const std::shared_ptr<const Context>& context,
    const RenderTarget& render_target)
    : RenderPass(context, render_target), delegate_(std::move(delegate)) {}
 
// |RenderPass|
void RecordingRenderPass::SetPipeline(
    const std::shared_ptr<Pipeline<PipelineDescriptor>>& pipeline) {
  pending_.pipeline = pipeline;
  if (delegate_) {
    delegate_->SetPipeline(pipeline);
  }
}
 
void RecordingRenderPass::SetCommandLabel(std::string_view label) {
#ifdef IMPELLER_DEBUG
  pending_.label = std::string(label);
#endif  // IMPELLER_DEBUG
  if (delegate_) {
    delegate_->SetCommandLabel(label);
  }
}
 
// |RenderPass|
void RecordingRenderPass::SetStencilReference(uint32_t value) {
  pending_.stencil_reference = value;
  if (delegate_) {
    delegate_->SetStencilReference(value);
  }
}
 
// |RenderPass|
void RecordingRenderPass::SetBaseVertex(uint64_t value) {
  pending_.base_vertex = value;
  if (delegate_) {
    delegate_->SetBaseVertex(value);
  }
}
 
// |RenderPass|
void RecordingRenderPass::SetViewport(Viewport viewport) {
  pending_.viewport = viewport;
  if (delegate_) {
    delegate_->SetViewport(viewport);
  }
}
 
// |RenderPass|
void RecordingRenderPass::SetScissor(IRect scissor) {
  pending_.scissor = scissor;
  if (delegate_) {
    delegate_->SetScissor(scissor);
  }
}
 
// |RenderPass|
void RecordingRenderPass::SetInstanceCount(size_t count) {
  pending_.instance_count = count;
  if (delegate_) {
    delegate_->SetInstanceCount(count);
  }
}
 
// |RenderPass|
bool RecordingRenderPass::SetVertexBuffer(VertexBuffer buffer) {
  pending_.vertex_buffer = buffer;
  if (delegate_) {
    return delegate_->SetVertexBuffer(buffer);
  }
  return true;
}
 
// |RenderPass|
fml::Status RecordingRenderPass::Draw() {
  commands_.emplace_back(std::move(pending_));
  pending_ = {};
  if (delegate_) {
    return delegate_->Draw();
  }
  return fml::Status();
}
 
// |RenderPass|
void RecordingRenderPass::OnSetLabel(std::string label) {
  return;
}
 
// |RenderPass|
bool RecordingRenderPass::OnEncodeCommands(const Context& context) const {
  if (delegate_) {
    return delegate_->EncodeCommands();
  }
  return true;
}
 
// |RenderPass|
bool RecordingRenderPass::BindResource(ShaderStage stage,
                                       DescriptorType type,
                                       const ShaderUniformSlot& slot,
                                       const ShaderMetadata& metadata,
                                       BufferView view) {
  pending_.BindResource(stage, type, slot, metadata, view);
  if (delegate_) {
    return delegate_->BindResource(stage, type, slot, metadata, view);
  }
  return true;
}
 
// |RenderPass|
bool RecordingRenderPass::BindResource(
    ShaderStage stage,
    DescriptorType type,
    const ShaderUniformSlot& slot,
    const std::shared_ptr<const ShaderMetadata>& metadata,
    BufferView view) {
  pending_.BindResource(stage, type, slot, metadata, view);
  if (delegate_) {
    return delegate_->BindResource(stage, type, slot, metadata, view);
  }
  return true;
}
 
// |RenderPass|
bool RecordingRenderPass::BindResource(
    ShaderStage stage,
    DescriptorType type,
    const SampledImageSlot& slot,
    const ShaderMetadata& metadata,
    std::shared_ptr<const Texture> texture,
    const std::unique_ptr<const Sampler>& sampler) {
  pending_.BindResource(stage, type, slot, metadata, texture, sampler);
  if (delegate_) {
    return delegate_->BindResource(stage, type, slot, metadata, texture,
                                   sampler);
  }
  return true;
}
 
}  // namespace impeller