static int get_glprograms_max_stages(const sk_gpu_test::ContextInfo& ctxInfo) {
GrContext* context = ctxInfo.grContext();
GrGLGpu* gpu = static_cast<GrGLGpu*>(context->contextPriv().getGpu());
int maxStages = 6;
if (kGLES_GrGLStandard == gpu->glStandard()) {
// We've had issues with driver crashes and HW limits being exceeded with many effects on
// Android devices. We have passes on ARM devices with the default number of stages.
// TODO When we run ES 3.00 GLSL in more places, test again
#ifdef SK_BUILD_FOR_ANDROID
if (kARM_GrGLVendor != gpu->ctxInfo().vendor()) {
maxStages = 1;
}
#endif
// On iOS we can exceed the maximum number of varyings. http://skbug.com/6627.
#ifdef SK_BUILD_FOR_IOS
maxStages = 3;
#endif
}
if (ctxInfo.type() == sk_gpu_test::GrContextFactory::kANGLE_D3D9_ES2_ContextType ||
ctxInfo.type() == sk_gpu_test::GrContextFactory::kANGLE_D3D11_ES2_ContextType) {
// On Angle D3D we will hit a limit of out variables if we use too many stages.
maxStages = 3;
}
return maxStages;
}
bool GrGLFragmentShaderBuilder::compileAndAttachShaders(GrGLuint programId,
SkTDArray<GrGLuint>* shaderIds) const {
GrGLGpu* gpu = fProgramBuilder->gpu();
SkString fragShaderSrc(GrGetGLSLVersionDecl(gpu->ctxInfo()));
fragShaderSrc.append(fExtensions);
append_default_precision_qualifier(kDefault_GrSLPrecision,
gpu->glStandard(),
&fragShaderSrc);
fProgramBuilder->appendUniformDecls(GrGLProgramBuilder::kFragment_Visibility, &fragShaderSrc);
this->appendDecls(fInputs, &fragShaderSrc);
// We shouldn't have declared outputs on 1.10
SkASSERT(k110_GrGLSLGeneration != gpu->glslGeneration() || fOutputs.empty());
this->appendDecls(fOutputs, &fragShaderSrc);
fragShaderSrc.append(fFunctions);
fragShaderSrc.append("void main() {\n");
fragShaderSrc.append(fCode);
fragShaderSrc.append("}\n");
GrGLuint fragShaderId = GrGLCompileAndAttachShader(gpu->glContext(), programId,
GR_GL_FRAGMENT_SHADER, fragShaderSrc,
gpu->gpuStats());
if (!fragShaderId) {
return false;
}
*shaderIds->append() = fragShaderId;
return true;
}
DEF_GPUTEST(GLPrograms, reporter, factory) {
// Set a locale that would cause shader compilation to fail because of , as decimal separator.
// skbug 3330
#ifdef SK_BUILD_FOR_WIN
GrAutoLocaleSetter als("sv-SE");
#else
GrAutoLocaleSetter als("sv_SE.UTF-8");
#endif
// We suppress prints to avoid spew
GrContextOptions opts;
opts.fSuppressPrints = true;
GrContextFactory debugFactory(opts);
for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
GrContext* context = debugFactory.get(static_cast<GrContextFactory::GLContextType>(type));
if (context) {
GrGLGpu* gpu = static_cast<GrGLGpu*>(context->getGpu());
/*
* For the time being, we only support the test with desktop GL or for android on
* ARM platforms
* TODO When we run ES 3.00 GLSL in more places, test again
*/
int maxStages;
if (kGL_GrGLStandard == gpu->glStandard() ||
kARM_GrGLVendor == gpu->ctxInfo().vendor()) {
maxStages = 6;
} else if (kTegra3_GrGLRenderer == gpu->ctxInfo().renderer() ||
kOther_GrGLRenderer == gpu->ctxInfo().renderer()) {
maxStages = 1;
} else {
return;
}
#if SK_ANGLE
// Some long shaders run out of temporary registers in the D3D compiler on ANGLE.
if (type == GrContextFactory::kANGLE_GLContextType) {
maxStages = 2;
}
#endif
#if SK_COMMAND_BUFFER
// Some long shaders run out of temporary registers in the D3D compiler on ANGLE.
// TODO(hendrikw): This only needs to happen with the ANGLE comand buffer backend.
if (type == GrContextFactory::kCommandBuffer_GLContextType) {
maxStages = 2;
}
#endif
GrTestTarget testTarget;
context->getTestTarget(&testTarget);
REPORTER_ASSERT(reporter, GrDrawingManager::ProgramUnitTest(
context, testTarget.target(), maxStages));
}
}
}
static int get_glprograms_max_stages(GrContext* context) {
GrGLGpu* gpu = static_cast<GrGLGpu*>(context->getGpu());
/*
* For the time being, we only support the test with desktop GL or for android on
* ARM platforms
* TODO When we run ES 3.00 GLSL in more places, test again
*/
if (kGL_GrGLStandard == gpu->glStandard() ||
kARM_GrGLVendor == gpu->ctxInfo().vendor()) {
return 6;
} else if (kTegra3_GrGLRenderer == gpu->ctxInfo().renderer() ||
kOther_GrGLRenderer == gpu->ctxInfo().renderer()) {
return 1;
}
return 0;
}
bool GrGLFragmentShaderBuilder::compileAndAttachShaders(GrGLuint programId,
SkTDArray<GrGLuint>* shaderIds) {
GrGLGpu* gpu = fProgramBuilder->gpu();
this->versionDecl() = GrGLGetGLSLVersionDecl(gpu->ctxInfo());
GrGLAppendGLSLDefaultFloatPrecisionDeclaration(kDefault_GrSLPrecision,
gpu->glStandard(),
&this->precisionQualifier());
this->compileAndAppendLayoutQualifiers();
fProgramBuilder->appendUniformDecls(GrGLProgramBuilder::kFragment_Visibility,
&this->uniforms());
this->appendDecls(fInputs, &this->inputs());
// We shouldn't have declared outputs on 1.10
SkASSERT(k110_GrGLSLGeneration != gpu->glslGeneration() || fOutputs.empty());
this->appendDecls(fOutputs, &this->outputs());
return this->finalize(programId, GR_GL_FRAGMENT_SHADER, shaderIds);
}
bool GrGLFragmentShaderBuilder::enableFeature(GLSLFeature feature) {
switch (feature) {
case kStandardDerivatives_GLSLFeature: {
GrGLGpu* gpu = fProgramBuilder->gpu();
if (!gpu->glCaps().shaderCaps()->shaderDerivativeSupport()) {
return false;
}
if (kGLES_GrGLStandard == gpu->glStandard() &&
k110_GrGLSLGeneration == gpu->glslGeneration()) {
this->addFeature(1 << kStandardDerivatives_GLSLFeature,
"GL_OES_standard_derivatives");
}
return true;
}
default:
SkFAIL("Unexpected GLSLFeature requested.");
return false;
}
}