blob: 702bf29d80d6f971c6ca85fc7c0dca7206866f6e [file] [log] [blame]
/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrMtlOpsRenderPass_DEFINED
#define GrMtlOpsRenderPass_DEFINED
#include "src/gpu/GrMesh.h"
#include "src/gpu/GrOpFlushState.h"
#include "src/gpu/GrOpsRenderPass.h"
#include "src/gpu/mtl/GrMtlGpu.h"
#import <Metal/Metal.h>
typedef uint32_t GrColor;
class GrMtlBuffer;
class GrMtlPipelineState;
class GrMtlRenderTarget;
class GrMtlOpsRenderPass : public GrOpsRenderPass, private GrMesh::SendToGpuImpl {
public:
GrMtlOpsRenderPass(GrMtlGpu* gpu, GrRenderTarget* rt, GrSurfaceOrigin origin,
const GrOpsRenderPass::LoadAndStoreInfo& colorInfo,
const GrOpsRenderPass::StencilLoadAndStoreInfo& stencilInfo);
~GrMtlOpsRenderPass() override;
void begin() override {}
void end() override {}
void insertEventMarker(const char* msg) override {}
void initRenderState(id<MTLRenderCommandEncoder>);
void inlineUpload(GrOpFlushState* state, GrDeferredTextureUploadFn& upload) override {
// TODO: this could be more efficient
state->doUpload(upload);
}
void submit();
private:
GrGpu* gpu() override { return fGpu; }
GrMtlPipelineState* prepareDrawState(const GrProgramInfo&, GrPrimitiveType);
void onDraw(const GrProgramInfo& programInfo,
const GrMesh mesh[],
int meshCount,
const SkRect& bounds) override;
void onClear(const GrFixedClip& clip, const SkPMColor4f& color) override;
void onClearStencilClip(const GrFixedClip& clip, bool insideStencilMask) override;
void setupRenderPass(const GrOpsRenderPass::LoadAndStoreInfo& colorInfo,
const GrOpsRenderPass::StencilLoadAndStoreInfo& stencilInfo);
void bindGeometry(const GrBuffer* vertexBuffer, size_t vertexOffset,
const GrBuffer* instanceBuffer);
// GrMesh::SendToGpuImpl methods. These issue the actual Metal draw commands.
// Marked final as a hint to the compiler to not use virtual dispatch.
void sendMeshToGpu(GrPrimitiveType primType, const GrBuffer* vertexBuffer, int vertexCount,
int baseVertex) final;
void sendIndexedMeshToGpu(GrPrimitiveType primType, const GrBuffer* indexBuffer, int indexCount,
int baseIndex, uint16_t /*minIndexValue*/, uint16_t /*maxIndexValue*/,
const GrBuffer* vertexBuffer, int baseVertex,
GrPrimitiveRestart restart) final;
void sendInstancedMeshToGpu(GrPrimitiveType, const GrBuffer* vertexBuffer, int vertexCount,
int baseVertex, const GrBuffer* instanceBuffer, int instanceCount,
int baseInstance) final;
void sendIndexedInstancedMeshToGpu(GrPrimitiveType, const GrBuffer* indexBuffer, int indexCount,
int baseIndex, const GrBuffer* vertexBuffer, int baseVertex,
const GrBuffer* instanceBuffer, int instanceCount,
int baseInstance, GrPrimitiveRestart) final;
void setVertexBuffer(id<MTLRenderCommandEncoder>, const GrMtlBuffer*, size_t offset,
size_t index);
void resetBufferBindings();
void precreateCmdEncoder();
GrMtlGpu* fGpu;
id<MTLRenderCommandEncoder> fActiveRenderCmdEncoder;
MTLRenderPassDescriptor* fRenderPassDesc;
SkRect fBounds;
size_t fCurrentVertexStride;
static constexpr size_t kNumBindings = GrMtlUniformHandler::kLastUniformBinding + 3;
struct {
id<MTLBuffer> fBuffer;
size_t fOffset;
} fBufferBindings[kNumBindings];
typedef GrOpsRenderPass INHERITED;
};
#endif