blob: eecc63e617b5be63acb757f74758ad6da53c14fa [file] [log] [blame]
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gl/GrGLVaryingHandler.h"
#include "gl/GrGLGpu.h"
#include "gl/builders/GrGLProgramBuilder.h"
GrGLSLVaryingHandler::VaryingHandle GrGLVaryingHandler::addPathProcessingVarying(
const char* name,
GrGLSLVarying* v) {
#ifdef SK_DEBUG
GrGLProgramBuilder* glPB = (GrGLProgramBuilder*) fProgramBuilder;
// This call is not used for non-NVPR backends.
SkASSERT(glPB->gpu()->glCaps().shaderCaps()->pathRenderingSupport() &&
glPB->fPrimProc.isPathRendering() &&
!glPB->fPrimProc.willUseGeoShader() &&
glPB->fPrimProc.numAttribs() == 0);
#endif
this->addVarying(name, v);
auto varyingInfo = fPathProcVaryingInfos.push_back();
varyingInfo.fLocation = fPathProcVaryingInfos.count() - 1;
return VaryingHandle(varyingInfo.fLocation);
}
void GrGLVaryingHandler::onFinalize() {
SkASSERT(fPathProcVaryingInfos.empty() || fPathProcVaryingInfos.count() == fFragInputs.count());
for (int i = 0; i < fPathProcVaryingInfos.count(); ++i) {
fPathProcVaryingInfos[i].fVariable = fFragInputs[i];
}
}