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f6559124a1
Part of https://github.com/flutter/flutter/issues/145011. This gets Flutter GPU working on Android.
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/lib/gpu/render_pipeline.h"
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#include "flutter/lib/gpu/shader.h"
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#include "impeller/renderer/pipeline_descriptor.h"
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namespace flutter {
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namespace gpu {
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IMPLEMENT_WRAPPERTYPEINFO(flutter_gpu, RenderPipeline);
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RenderPipeline::RenderPipeline(
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fml::RefPtr<flutter::gpu::Shader> vertex_shader,
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fml::RefPtr<flutter::gpu::Shader> fragment_shader)
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: vertex_shader_(std::move(vertex_shader)),
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fragment_shader_(std::move(fragment_shader)) {}
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void RenderPipeline::BindToPipelineDescriptor(
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impeller::ShaderLibrary& library,
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impeller::PipelineDescriptor& desc) {
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auto vertex_descriptor = vertex_shader_->CreateVertexDescriptor();
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vertex_descriptor->RegisterDescriptorSetLayouts(
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vertex_shader_->GetDescriptorSetLayouts().data(),
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vertex_shader_->GetDescriptorSetLayouts().size());
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vertex_descriptor->RegisterDescriptorSetLayouts(
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fragment_shader_->GetDescriptorSetLayouts().data(),
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fragment_shader_->GetDescriptorSetLayouts().size());
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desc.SetVertexDescriptor(vertex_descriptor);
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desc.AddStageEntrypoint(vertex_shader_->GetFunctionFromLibrary(library));
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desc.AddStageEntrypoint(fragment_shader_->GetFunctionFromLibrary(library));
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}
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RenderPipeline::~RenderPipeline() = default;
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} // namespace gpu
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} // namespace flutter
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//----------------------------------------------------------------------------
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/// Exports
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///
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Dart_Handle InternalFlutterGpu_RenderPipeline_Initialize(
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Dart_Handle wrapper,
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flutter::gpu::Context* gpu_context,
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flutter::gpu::Shader* vertex_shader,
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flutter::gpu::Shader* fragment_shader) {
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// Lazily register the shaders synchronously if they haven't been already.
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vertex_shader->RegisterSync(*gpu_context);
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fragment_shader->RegisterSync(*gpu_context);
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auto res = fml::MakeRefCounted<flutter::gpu::RenderPipeline>(
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fml::RefPtr<flutter::gpu::Shader>(vertex_shader), //
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fml::RefPtr<flutter::gpu::Shader>(fragment_shader));
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res->AssociateWithDartWrapper(wrapper);
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return Dart_Null();
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}
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