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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrMockCaps_DEFINED
#define GrMockCaps_DEFINED
#include "GrCaps.h"
#include "mock/GrMockTypes.h"
class GrMockCaps : public GrCaps {
public:
GrMockCaps(const GrContextOptions& contextOptions, const GrMockOptions& options)
: INHERITED(contextOptions), fOptions(options) {
fInstanceAttribSupport = options.fInstanceAttribSupport;
fMapBufferFlags = options.fMapBufferFlags;
fBufferMapThreshold = SK_MaxS32; // Overridable in GrContextOptions.
fMaxTextureSize = options.fMaxTextureSize;
fMaxRenderTargetSize = SkTMin(options.fMaxRenderTargetSize, fMaxTextureSize);
fMaxPreferredRenderTargetSize = fMaxRenderTargetSize;
fMaxVertexAttributes = options.fMaxVertexAttributes;
fShaderCaps.reset(new GrShaderCaps(contextOptions));
fShaderCaps->fGeometryShaderSupport = options.fGeometryShaderSupport;
fShaderCaps->fTexelBufferSupport = options.fTexelBufferSupport;
fShaderCaps->fIntegerSupport = options.fIntegerSupport;
fShaderCaps->fFlatInterpolationSupport = options.fFlatInterpolationSupport;
fShaderCaps->fMaxVertexSamplers = options.fMaxVertexSamplers;
fShaderCaps->fMaxFragmentSamplers = options.fMaxFragmentSamplers;
fShaderCaps->fShaderDerivativeSupport = options.fShaderDerivativeSupport;
this->applyOptionsOverrides(contextOptions);
}
bool isConfigTexturable(GrPixelConfig config) const override {
return fOptions.fConfigOptions[config].fTexturable;
}
bool isConfigCopyable(GrPixelConfig config) const override {
return false;
}
int getRenderTargetSampleCount(int requestCount, GrPixelConfig config) const override {
requestCount = SkTMax(requestCount, 1);
switch (fOptions.fConfigOptions[config].fRenderability) {
case GrMockOptions::ConfigOptions::Renderability::kNo:
return 0;
case GrMockOptions::ConfigOptions::Renderability::kNonMSAA:
return requestCount > 1 ? 0 : 1;
case GrMockOptions::ConfigOptions::Renderability::kMSAA:
return requestCount > kMaxSampleCnt ? 0 : GrNextPow2(requestCount);
}
return 0;
}
int maxRenderTargetSampleCount(GrPixelConfig config) const override {
switch (fOptions.fConfigOptions[config].fRenderability) {
case GrMockOptions::ConfigOptions::Renderability::kNo:
return 0;
case GrMockOptions::ConfigOptions::Renderability::kNonMSAA:
return 1;
case GrMockOptions::ConfigOptions::Renderability::kMSAA:
return kMaxSampleCnt;
}
return 0;
}
bool surfaceSupportsWritePixels(const GrSurface*) const override { return true; }
bool surfaceSupportsReadPixels(const GrSurface*) const override { return true; }
bool canCopySurface(const GrSurfaceProxy* dst, const GrSurfaceProxy* src,
const SkIRect& srcRect, const SkIPoint& dstPoint) const override {
return true;
}
bool initDescForDstCopy(const GrRenderTargetProxy* src, GrSurfaceDesc* desc, GrSurfaceOrigin*,
bool* rectsMustMatch, bool* disallowSubrect) const override {
return false;
}
bool validateBackendTexture(const GrBackendTexture& tex, SkColorType,
GrPixelConfig* config) const override {
GrMockTextureInfo texInfo;
if (!tex.getMockTextureInfo(&texInfo)) {
return false;
}
*config = texInfo.fConfig;
return true;
}
bool validateBackendRenderTarget(const GrBackendRenderTarget& rt, SkColorType,
GrPixelConfig*) const override {
return false;
}
bool getConfigFromBackendFormat(const GrBackendFormat& format, SkColorType ct,
GrPixelConfig* config) const override {
const GrPixelConfig* mockFormat = format.getMockFormat();
if (!mockFormat) {
return false;
}
*config = *mockFormat;
return true;
}
private:
#ifdef GR_TEST_UTILS
GrBackendFormat onCreateFormatFromBackendTexture(
const GrBackendTexture& backendTex) const override {
GrMockTextureInfo mockInfo;
SkAssertResult(backendTex.getMockTextureInfo(&mockInfo));
return GrBackendFormat::MakeMock(mockInfo.fConfig);
}
#endif
static const int kMaxSampleCnt = 16;
GrMockOptions fOptions;
typedef GrCaps INHERITED;
};
#endif
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