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;
}
static int get_glprograms_max_levels(const sk_gpu_test::ContextInfo& ctxInfo) {
// A full tree with 5 levels (31 nodes) may cause a program that exceeds shader limits
// (e.g. uniform or varying limits); maxTreeLevels should be a number from 1 to 4 inclusive.
int maxTreeLevels = 4;
// On iOS we can exceed the maximum number of varyings. http://skbug.com/6627.
#ifdef SK_BUILD_FOR_IOS
maxTreeLevels = 2;
#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.
maxTreeLevels = 2;
}
return maxTreeLevels;
}
static void test_glprograms(skiatest::Reporter* reporter, const sk_gpu_test::ContextInfo& ctxInfo) {
int maxStages = get_glprograms_max_stages(ctxInfo);
if (maxStages == 0) {
return;
}
int maxLevels = get_glprograms_max_levels(ctxInfo);
if (maxLevels == 0) {
return;
}
// Disable this test on ANGLE D3D9 configurations. We keep hitting a D3D compiler bug.
// See skbug.com/6842 and anglebug.com/2098
if (sk_gpu_test::GrContextFactory::kANGLE_D3D9_ES2_ContextType == ctxInfo.type()) {
return;
}
REPORTER_ASSERT(reporter, GrDrawingManager::ProgramUnitTest(ctxInfo.grContext(), maxStages,
maxLevels));
}