buffer.writeFlattenable(fFilter);
}
-uint32_t SkFilterShader::getFlags() {
- uint32_t shaderF = fShader->getFlags();
- uint32_t filterF = fFilter->getFlags();
+uint32_t SkFilterShader::FilterShaderContext::getFlags() const {
+ const SkFilterShader& filterShader = static_cast<const SkFilterShader&>(fShader);
+
+ uint32_t shaderF = fShaderContext->getFlags();
+ uint32_t filterF = filterShader.fFilter->getFlags();
// if the filter doesn't support 16bit, clear the matching bit in the shader
if (!(filterF & SkColorFilter::kHasFilter16_Flag)) {
return shaderF;
}
-bool SkFilterShader::setContext(const SkBitmap& device,
- const SkPaint& paint,
- const SkMatrix& matrix) {
- // we need to keep the setContext/endContext calls balanced. If we return
- // false, our endContext() will not be called.
+SkShader::Context* SkFilterShader::onCreateContext(const ContextRec& rec, void* storage) const {
+ char* shaderContextStorage = (char*)storage + sizeof(FilterShaderContext);
+ SkShader::Context* shaderContext = fShader->createContext(rec, shaderContextStorage);
+ SkASSERT(shaderContext);
- if (!this->INHERITED::setContext(device, paint, matrix)) {
- return false;
- }
- if (!fShader->setContext(device, paint, matrix)) {
- this->INHERITED::endContext();
- return false;
- }
- return true;
+ return SkNEW_PLACEMENT_ARGS(storage, FilterShaderContext, (*this, shaderContext, rec));
+}
+
+size_t SkFilterShader::contextSize() const {
+ return sizeof(FilterShaderContext) + fShader->contextSize();
}
-void SkFilterShader::endContext() {
- fShader->endContext();
- this->INHERITED::endContext();
+SkFilterShader::FilterShaderContext::FilterShaderContext(const SkFilterShader& filterShader,
+ SkShader::Context* shaderContext,
+ const ContextRec& rec)
+ : INHERITED(filterShader, rec)
+ , fShaderContext(shaderContext) {}
+
+SkFilterShader::FilterShaderContext::~FilterShaderContext() {
+ fShaderContext->~Context();
}
-void SkFilterShader::shadeSpan(int x, int y, SkPMColor result[], int count) {
- fShader->shadeSpan(x, y, result, count);
- fFilter->filterSpan(result, count, result);
+void SkFilterShader::FilterShaderContext::shadeSpan(int x, int y, SkPMColor result[], int count) {
+ const SkFilterShader& filterShader = static_cast<const SkFilterShader&>(fShader);
+
+ fShaderContext->shadeSpan(x, y, result, count);
+ filterShader.fFilter->filterSpan(result, count, result);
}
-void SkFilterShader::shadeSpan16(int x, int y, uint16_t result[], int count) {
- SkASSERT(fShader->getFlags() & SkShader::kHasSpan16_Flag);
- SkASSERT(fFilter->getFlags() & SkColorFilter::kHasFilter16_Flag);
+void SkFilterShader::FilterShaderContext::shadeSpan16(int x, int y, uint16_t result[], int count) {
+ const SkFilterShader& filterShader = static_cast<const SkFilterShader&>(fShader);
+
+ SkASSERT(fShaderContext->getFlags() & SkShader::kHasSpan16_Flag);
+ SkASSERT(filterShader.fFilter->getFlags() & SkColorFilter::kHasFilter16_Flag);
- fShader->shadeSpan16(x, y, result, count);
- fFilter->filterSpan16(result, count, result);
+ fShaderContext->shadeSpan16(x, y, result, count);
+ filterShader.fFilter->filterSpan16(result, count, result);
}
#ifndef SK_IGNORE_TO_STRING