GrGLProgram* GrGLProgramBuilder::finalize() {
// verify we can get a program id
GrGLuint programID;
GL_CALL_RET(programID, CreateProgram());
if (0 == programID) {
this->cleanupFragmentProcessors();
return nullptr;
}
// compile shaders and bind attributes / uniforms
SkTDArray<GrGLuint> shadersToDelete;
fVS.finalize(GrGLSLUniformHandler::kVertex_Visibility);
if (!this->compileAndAttachShaders(fVS, programID, GR_GL_VERTEX_SHADER, &shadersToDelete)) {
this->cleanupProgram(programID, shadersToDelete);
return nullptr;
}
// NVPR actually requires a vertex shader to compile
bool useNvpr = primitiveProcessor().isPathRendering();
if (!useNvpr) {
const GrPrimitiveProcessor& primProc = this->primitiveProcessor();
int vaCount = primProc.numAttribs();
for (int i = 0; i < vaCount; i++) {
GL_CALL(BindAttribLocation(programID, i, primProc.getAttrib(i).fName));
}
}
fFS.finalize(GrGLSLUniformHandler::kFragment_Visibility);
if (!this->compileAndAttachShaders(fFS, programID, GR_GL_FRAGMENT_SHADER, &shadersToDelete)) {
this->cleanupProgram(programID, shadersToDelete);
return nullptr;
}
this->bindProgramResourceLocations(programID);
GL_CALL(LinkProgram(programID));
// Calling GetProgramiv is expensive in Chromium. Assume success in release builds.
bool checkLinked = kChromium_GrGLDriver != fGpu->ctxInfo().driver();
#ifdef SK_DEBUG
checkLinked = true;
#endif
if (checkLinked) {
checkLinkStatus(programID);
}
this->resolveProgramResourceLocations(programID);
this->cleanupShaders(shadersToDelete);
return this->createProgram(programID);
}
GrGLProgram* GrGLProgramBuilder::finalize() {
// verify we can get a program id
GrGLuint programID;
GL_CALL_RET(programID, CreateProgram());
if (0 == programID) {
return NULL;
}
// compile shaders and bind attributes / uniforms
SkTDArray<GrGLuint> shadersToDelete;
if (!fVS.compileAndAttachShaders(programID, &shadersToDelete)) {
this->cleanupProgram(programID, shadersToDelete);
return NULL;
}
// NVPR actually requires a vertex shader to compile
bool useNvpr = primitiveProcessor().isPathRendering();
if (!useNvpr) {
fVS.bindVertexAttributes(programID);
}
if (!fFS.compileAndAttachShaders(programID, &shadersToDelete)) {
this->cleanupProgram(programID, shadersToDelete);
return NULL;
}
bool usingBindUniform = fGpu->glInterface()->fFunctions.fBindUniformLocation != NULL;
if (usingBindUniform) {
this->bindUniformLocations(programID);
}
fFS.bindFragmentShaderLocations(programID);
GL_CALL(LinkProgram(programID));
// Calling GetProgramiv is expensive in Chromium. Assume success in release builds.
bool checkLinked = !fGpu->ctxInfo().isChromium();
#ifdef SK_DEBUG
checkLinked = true;
#endif
if (checkLinked) {
checkLinkStatus(programID);
}
if (!usingBindUniform) {
this->resolveUniformLocations(programID);
}
this->cleanupShaders(shadersToDelete);
return this->createProgram(programID);
}