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// Copyright 2018 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_VULKAN_GRAPHICS_PIPELINE_H_
#define SRC_VULKAN_GRAPHICS_PIPELINE_H_
#include <memory>
#include <vector>
#include "amber/result.h"
#include "amber/value.h"
#include "amber/vulkan_header.h"
#include "src/format.h"
#include "src/pipeline.h"
#include "src/vulkan/frame_buffer.h"
#include "src/vulkan/index_buffer.h"
#include "src/vulkan/pipeline.h"
#include "src/vulkan/vertex_buffer.h"
namespace amber {
class ProbeCommand;
namespace vulkan {
class CommandPool;
/// Wrapper around a graphics pipeline.
class GraphicsPipeline : public Pipeline {
public:
GraphicsPipeline(
Device* device,
const std::vector<amber::Pipeline::BufferInfo>& color_buffers,
amber::Pipeline::BufferInfo depth_stencil_buffer,
uint32_t fence_timeout_ms,
const std::vector<VkPipelineShaderStageCreateInfo>&);
~GraphicsPipeline() override;
Result Initialize(uint32_t width, uint32_t height, CommandPool* pool);
Result SetIndexBuffer(Buffer* buffer);
Result Clear();
Result SetClearColor(float r, float g, float b, float a);
Result SetClearStencil(uint32_t stencil);
Result SetClearDepth(float depth);
Result Draw(const DrawArraysCommand* command, VertexBuffer* vertex_buffer);
VkRenderPass GetVkRenderPass() const { return render_pass_; }
FrameBuffer* GetFrameBuffer() const { return frame_.get(); }
uint32_t GetWidth() const { return frame_width_; }
uint32_t GetHeight() const { return frame_height_; }
void SetPatchControlPoints(uint32_t points) {
patch_control_points_ = points;
}
private:
Result CreateVkGraphicsPipeline(const PipelineData* pipeline_data,
VkPrimitiveTopology topology,
const VertexBuffer* vertex_buffer,
const VkPipelineLayout& pipeline_layout,
VkPipeline* pipeline);
Result CreateRenderPass();
Result SendVertexBufferDataIfNeeded(VertexBuffer* vertex_buffer);
VkPipelineDepthStencilStateCreateInfo GetVkPipelineDepthStencilInfo(
const PipelineData* pipeline_data);
std::vector<VkPipelineColorBlendAttachmentState>
GetVkPipelineColorBlendAttachmentState(const PipelineData* pipeline_data);
VkRenderPass render_pass_ = VK_NULL_HANDLE;
std::unique_ptr<FrameBuffer> frame_;
// color buffers are owned by the amber::Pipeline.
std::vector<const amber::Pipeline::BufferInfo*> color_buffers_;
amber::Pipeline::BufferInfo depth_stencil_buffer_;
std::unique_ptr<IndexBuffer> index_buffer_;
uint32_t frame_width_ = 0;
uint32_t frame_height_ = 0;
float clear_color_r_ = 0;
float clear_color_g_ = 0;
float clear_color_b_ = 0;
float clear_color_a_ = 0;
uint32_t clear_stencil_ = 0;
float clear_depth_ = 1.0f;
uint32_t patch_control_points_ = 3;
};
} // namespace vulkan
} // namespace amber
#endif // SRC_VULKAN_GRAPHICS_PIPELINE_H_
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