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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 "include/gpu/mock/GrMockTypes.h"
- #include "src/gpu/GrCaps.h"
- #include "src/gpu/SkGr.h"
- class GrMockCaps : public GrCaps {
- public:
- GrMockCaps(const GrContextOptions& contextOptions, const GrMockOptions& options)
- : INHERITED(contextOptions), fOptions(options) {
- fInstanceAttribSupport = options.fInstanceAttribSupport;
- fHalfFloatVertexAttributeSupport = options.fHalfFloatVertexAttributeSupport;
- fMapBufferFlags = options.fMapBufferFlags;
- fBufferMapThreshold = SK_MaxS32; // Overridable in GrContextOptions.
- fMaxTextureSize = options.fMaxTextureSize;
- fMaxRenderTargetSize = SkTMin(options.fMaxRenderTargetSize, fMaxTextureSize);
- fMaxPreferredRenderTargetSize = fMaxRenderTargetSize;
- fMaxVertexAttributes = options.fMaxVertexAttributes;
- fSampleLocationsSupport = true;
- fShaderCaps.reset(new GrShaderCaps(contextOptions));
- fShaderCaps->fGeometryShaderSupport = options.fGeometryShaderSupport;
- fShaderCaps->fIntegerSupport = options.fIntegerSupport;
- fShaderCaps->fFlatInterpolationSupport = options.fFlatInterpolationSupport;
- fShaderCaps->fMaxFragmentSamplers = options.fMaxFragmentSamplers;
- fShaderCaps->fShaderDerivativeSupport = options.fShaderDerivativeSupport;
- fShaderCaps->fDualSourceBlendingSupport = options.fDualSourceBlendingSupport;
- fShaderCaps->fSampleVariablesSupport = true;
- fShaderCaps->fSampleVariablesStencilSupport = true;
- this->applyOptionsOverrides(contextOptions);
- }
- bool isFormatSRGB(const GrBackendFormat& format) const override {
- if (!format.getMockColorType()) {
- return false;
- }
- return *format.getMockColorType() == GrColorType::kRGBA_8888_SRGB;
- }
- bool isFormatTexturable(GrColorType, const GrBackendFormat& format) const override {
- if (!format.getMockColorType()) {
- return false;
- }
- return fOptions.fConfigOptions[(int)*format.getMockColorType()].fTexturable;
- }
- bool isConfigTexturable(GrPixelConfig config) const override {
- GrColorType ct = GrPixelConfigToColorType(config);
- return fOptions.fConfigOptions[(int)ct].fTexturable;
- }
- bool isFormatCopyable(GrColorType, const GrBackendFormat& format) const override {
- return false;
- }
- bool isConfigCopyable(GrPixelConfig config) const override {
- return false;
- }
- int getRenderTargetSampleCount(int requestCount, GrColorType ct) const {
- requestCount = SkTMax(requestCount, 1);
- switch (fOptions.fConfigOptions[(int)ct].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 getRenderTargetSampleCount(int requestCount,
- GrColorType, const GrBackendFormat& format) const override {
- if (!format.getMockColorType()) {
- return 0;
- }
- return this->getRenderTargetSampleCount(requestCount, *format.getMockColorType());
- }
- int getRenderTargetSampleCount(int requestCount, GrPixelConfig config) const override {
- GrColorType ct = GrPixelConfigToColorType(config);
- return this->getRenderTargetSampleCount(requestCount, ct);
- }
- int maxRenderTargetSampleCount(GrColorType ct) const {
- switch (fOptions.fConfigOptions[(int)ct].fRenderability) {
- case GrMockOptions::ConfigOptions::Renderability::kNo:
- return 0;
- case GrMockOptions::ConfigOptions::Renderability::kNonMSAA:
- return 1;
- case GrMockOptions::ConfigOptions::Renderability::kMSAA:
- return kMaxSampleCnt;
- }
- return 0;
- }
- int maxRenderTargetSampleCount(GrColorType, const GrBackendFormat& format) const override {
- if (!format.getMockColorType()) {
- return 0;
- }
- return this->maxRenderTargetSampleCount(*format.getMockColorType());
- }
- int maxRenderTargetSampleCount(GrPixelConfig config) const override {
- GrColorType ct = GrPixelConfigToColorType(config);
- return this->maxRenderTargetSampleCount(ct);
- }
- SurfaceReadPixelsSupport surfaceSupportsReadPixels(const GrSurface*) const override {
- return SurfaceReadPixelsSupport::kSupported;
- }
- GrPixelConfig validateBackendRenderTarget(const GrBackendRenderTarget&,
- GrColorType) const override {
- return kUnknown_GrPixelConfig;
- }
- GrPixelConfig getYUVAConfigFromBackendFormat(const GrBackendFormat& format) const override {
- if (!format.getMockColorType()) {
- return kUnknown_GrPixelConfig;
- }
- return GrColorTypeToPixelConfig(*format.getMockColorType());
- }
- GrColorType getYUVAColorTypeFromBackendFormat(const GrBackendFormat& format) const override {
- if (!format.getMockColorType()) {
- return GrColorType::kUnknown;
- }
- return *format.getMockColorType();
- }
- GrBackendFormat getBackendFormatFromColorType(GrColorType ct) const override {
- return GrBackendFormat::MakeMock(ct);
- }
- GrBackendFormat getBackendFormatFromCompressionType(SkImage::CompressionType) const override {
- return {};
- }
- bool canClearTextureOnCreation() const override { return true; }
- GrSwizzle getTextureSwizzle(const GrBackendFormat&, GrColorType) const override {
- return GrSwizzle();
- }
- GrSwizzle getOutputSwizzle(const GrBackendFormat&, GrColorType) const override {
- return GrSwizzle();
- }
- private:
- bool onSurfaceSupportsWritePixels(const GrSurface*) const override { return true; }
- bool onCanCopySurface(const GrSurfaceProxy* dst, const GrSurfaceProxy* src,
- const SkIRect& srcRect, const SkIPoint& dstPoint) const override {
- return true;
- }
- size_t onTransferFromOffsetAlignment(GrColorType bufferColorType) const override {
- // arbitrary
- return GrSizeAlignUp(GrColorTypeBytesPerPixel(bufferColorType), 4);
- }
- GrPixelConfig onGetConfigFromBackendFormat(const GrBackendFormat& format,
- GrColorType) const override {
- if (!format.getMockColorType()) {
- return kUnknown_GrPixelConfig;
- }
- return GrColorTypeToPixelConfig(*format.getMockColorType());
- }
- bool onAreColorTypeAndFormatCompatible(GrColorType ct,
- const GrBackendFormat& format) const override {
- if (GrColorType::kUnknown == ct) {
- return false;
- }
- const GrColorType* mockColorType = format.getMockColorType();
- if (!mockColorType) {
- return false;
- }
- return ct == *mockColorType;
- }
- static const int kMaxSampleCnt = 16;
- GrMockOptions fOptions;
- typedef GrCaps INHERITED;
- };
- #endif
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