本文整理汇总了C++中GrPrimitiveProcessor::getGLProcessorKey方法的典型用法代码示例。如果您正苦于以下问题：C++ GrPrimitiveProcessor::getGLProcessorKey方法的具体用法？C++ GrPrimitiveProcessor::getGLProcessorKey怎么用？C++ GrPrimitiveProcessor::getGLProcessorKey使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GrPrimitiveProcessor的用法示例。
在下文中一共展示了GrPrimitiveProcessor::getGLProcessorKey方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Build
bool GrGLProgramDescBuilder::Build(GrProgramDesc* desc,
const GrPrimitiveProcessor& primProc,
const GrPipeline& pipeline,
const GrGLGpu* gpu,
const GrBatchTracker& batchTracker) {
// The descriptor is used as a cache key. Thus when a field of the
// descriptor will not affect program generation (because of the attribute
// bindings in use or other descriptor field settings) it should be set
// to a canonical value to avoid duplicate programs with different keys.
GrGLProgramDesc* glDesc = (GrGLProgramDesc*) desc;
GR_STATIC_ASSERT(0 == kProcessorKeysOffset % sizeof(uint32_t));
// Make room for everything up to the effect keys.
glDesc->key().reset();
glDesc->key().push_back_n(kProcessorKeysOffset);
GrProcessorKeyBuilder b(&glDesc->key());
primProc.getGLProcessorKey(batchTracker, gpu->glCaps(), &b);
if (!get_meta_key(primProc, gpu->glCaps(), 0, &b)) {
glDesc->key().reset();
return false;
}
for (int s = 0; s < pipeline.numFragmentStages(); ++s) {
const GrPendingFragmentStage& fps = pipeline.getFragmentStage(s);
const GrFragmentProcessor& fp = *fps.processor();
fp.getGLProcessorKey(gpu->glCaps(), &b);
if (!get_meta_key(fp, gpu->glCaps(), primProc.getTransformKey(fp.coordTransforms()), &b)) {
glDesc->key().reset();
return false;
}
}
const GrXferProcessor& xp = *pipeline.getXferProcessor();
xp.getGLProcessorKey(gpu->glCaps(), &b);
if (!get_meta_key(xp, gpu->glCaps(), 0, &b)) {
glDesc->key().reset();
return false;
}
// --------DO NOT MOVE HEADER ABOVE THIS LINE--------------------------------------------------
// Because header is a pointer into the dynamic array, we can't push any new data into the key
// below here.
KeyHeader* header = glDesc->atOffset<KeyHeader, kHeaderOffset>();
// make sure any padding in the header is zeroed.
memset(header, 0, kHeaderSize);
if (pipeline.readsFragPosition()) {
header->fFragPosKey =
GrGLFragmentShaderBuilder::KeyForFragmentPosition(pipeline.getRenderTarget(),
gpu->glCaps());
} else {
header->fFragPosKey = 0;
}
header->fColorEffectCnt = pipeline.numColorFragmentStages();
header->fCoverageEffectCnt = pipeline.numCoverageFragmentStages();
glDesc->finalize();
return true;
}