本文整理汇总了C++中GrDrawState::canIgnoreColorAttribute方法的典型用法代码示例。如果您正苦于以下问题：C++ GrDrawState::canIgnoreColorAttribute方法的具体用法？C++ GrDrawState::canIgnoreColorAttribute怎么用？C++ GrDrawState::canIgnoreColorAttribute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GrDrawState的用法示例。
在下文中一共展示了GrDrawState::canIgnoreColorAttribute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: setColor
void GrGLProgram::setColor(const GrDrawState& drawState,
GrColor color,
SharedGLState* sharedState) {
const GrGLProgramDesc::KeyHeader& header = fDesc.getHeader();
if (!drawState.hasColorVertexAttribute() || drawState.canIgnoreColorAttribute()) {
switch (header.fColorInput) {
case GrGLProgramDesc::kAttribute_ColorInput:
SkASSERT(-1 != header.fColorAttributeIndex);
if (sharedState->fConstAttribColor != color ||
sharedState->fConstAttribColorIndex != header.fColorAttributeIndex) {
// OpenGL ES only supports the float varieties of glVertexAttrib
GrGLfloat c[4];
GrColorToRGBAFloat(color, c);
GL_CALL(VertexAttrib4fv(header.fColorAttributeIndex, c));
sharedState->fConstAttribColor = color;
sharedState->fConstAttribColorIndex = header.fColorAttributeIndex;
}
break;
case GrGLProgramDesc::kUniform_ColorInput:
if (fColor != color && fBuilderOutput.fUniformHandles.fColorUni.isValid()) {
// OpenGL ES doesn't support unsigned byte varieties of glUniform
GrGLfloat c[4];
GrColorToRGBAFloat(color, c);
fUniformManager->set4fv(fBuilderOutput.fUniformHandles.fColorUni, 1, c);
fColor = color;
}
sharedState->fConstAttribColorIndex = -1;
break;
default:
SkFAIL("Unexpected color type.");
}
} else {
sharedState->fConstAttribColorIndex = -1;
}
}