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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrGLGpuCommandBuffer_DEFINED
#define GrGLGpuCommandBuffer_DEFINED
#include "GrGpuCommandBuffer.h"
#include "GrGLGpu.h"
#include "GrGLRenderTarget.h"
#include "GrOpFlushState.h"
class GrGLGpu;
class GrGLRenderTarget;
class GrGLGpuCommandBuffer : public GrGpuCommandBuffer {
/**
* We do not actually buffer up draws or do any work in the this class for GL. Instead commands
* are immediately sent to the gpu to execute. Thus all the commands in this class are simply
* pass through functions to corresponding calls in the GrGLGpu class.
*/
public:
GrGLGpuCommandBuffer(GrGLGpu* gpu) : fGpu(gpu), fRenderTarget(nullptr) {}
~GrGLGpuCommandBuffer() override {}
void end() override {}
void discard(GrRenderTarget* rt) override {
GrGLRenderTarget* target = static_cast<GrGLRenderTarget*>(rt);
if (!fRenderTarget) {
fRenderTarget = target;
}
SkASSERT(target == fRenderTarget);
}
void inlineUpload(GrOpFlushState* state, GrDrawOp::DeferredUploadFn& upload,
GrRenderTarget*) override {
state->doUpload(upload);
}
private:
GrGpu* gpu() override { return fGpu; }
GrRenderTarget* renderTarget() override { return fRenderTarget; }
void onSubmit() override {}
void onDraw(const GrPipeline& pipeline,
const GrPrimitiveProcessor& primProc,
const GrMesh mesh[],
const GrPipeline::DynamicState dynamicStates[],
int meshCount,
const SkRect& bounds) override {
GrGLRenderTarget* target = static_cast<GrGLRenderTarget*>(pipeline.renderTarget());
if (!fRenderTarget) {
fRenderTarget = target;
}
SkASSERT(target == fRenderTarget);
fGpu->draw(pipeline, primProc, mesh, dynamicStates, meshCount);
}
void onClear(GrRenderTarget* rt, const GrFixedClip& clip, GrColor color) override {
GrGLRenderTarget* target = static_cast<GrGLRenderTarget*>(rt);
if (!fRenderTarget) {
fRenderTarget = target;
}
SkASSERT(target == fRenderTarget);
fGpu->clear(clip, color, fRenderTarget);
}
void onClearStencilClip(GrRenderTarget* rt, const GrFixedClip& clip,
bool insideStencilMask) override {
GrGLRenderTarget* target = static_cast<GrGLRenderTarget*>(rt);
if (!fRenderTarget) {
fRenderTarget = target;
}
SkASSERT(target == fRenderTarget);
fGpu->clearStencilClip(clip, insideStencilMask, fRenderTarget);
}
GrGLGpu* fGpu;
GrGLRenderTarget* fRenderTarget;
typedef GrGpuCommandBuffer INHERITED;
};
#endif
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