void DeferredShader::lightingStage(Scene & scene, Camera & camera)
{
stateManager.setRenderingStage(StateManager::LIGHTING_STAGE);
bindPBuffer();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_CULL_FACE); // Disable Cull Face
glDisable(GL_DEPTH_TEST); // Disable Z-Buffer
shaderManager.bindStageShader();
shaderManager.setCgParam(gbDepth,"depthMap",FRAGMENT);
shaderManager.setCgParam(gbDiffuse,"diffuseMap",FRAGMENT);
shaderManager.setCgParam(gbSpecular,"specularMap",FRAGMENT);
shaderManager.setCgParam(gbNormal,"normalMap",FRAGMENT);
shaderManager.setCgParam(camera.getZNear(),"near",FRAGMENT);
shaderManager.setCgParam(camera.getZFar(),"far",FRAGMENT);
drawLighting(scene,camera);
unbindPBuffer();
}
void FELighting::applySoftware()
{
FilterEffect* in = inputEffect(0);
Uint8ClampedArray* srcPixelArray = createPremultipliedImageResult();
if (!srcPixelArray)
return;
setIsAlphaImage(false);
IntRect effectDrawingRect = requestedRegionOfInputImageData(in->absolutePaintRect());
in->copyPremultipliedImage(srcPixelArray, effectDrawingRect);
// FIXME: support kernelUnitLengths other than (1,1). The issue here is that the W3
// standard has no test case for them, and other browsers (like Firefox) has strange
// output for various kernelUnitLengths, and I am not sure they are reliable.
// Anyway, feConvolveMatrix should also use the implementation
IntSize absolutePaintSize = absolutePaintRect().size();
drawLighting(srcPixelArray, absolutePaintSize.width(), absolutePaintSize.height());
}
void FELighting::apply(Filter* filter)
{
m_in->apply(filter);
if (!m_in->resultImage())
return;
if (!getEffectContext())
return;
setIsAlphaImage(false);
IntRect effectDrawingRect = calculateDrawingIntRect(m_in->scaledSubRegion());
RefPtr<ImageData> srcImageData(m_in->resultImage()->getUnmultipliedImageData(effectDrawingRect));
CanvasPixelArray* srcPixelArray(srcImageData->data());
// FIXME: support kernelUnitLengths other than (1,1). The issue here is that the W3
// standard has no test case for them, and other browsers (like Firefox) has strange
// output for various kernelUnitLengths, and I am not sure they are reliable.
// Anyway, feConvolveMatrix should also use the implementation
if (drawLighting(srcPixelArray, effectDrawingRect.width(), effectDrawingRect.height()))
resultImage()->putUnmultipliedImageData(srcImageData.get(), IntRect(IntPoint(), resultImage()->size()), IntPoint());
}