private void downsampleSceneInto1x1pixelsBuffer() {
PerformanceMonitor.startActivity("Rendering eye adaption");
materials.downSampler.enable();
FBO downSampledFBO;
for (int i = 4; i >= 0; i--) {
downSampledFBO = buffers.downSampledScene[i];
materials.downSampler.setFloat("size", downSampledFBO.width(), true);
downSampledFBO.bind();
setViewportTo(downSampledFBO.dimensions());
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// TODO: move this block above, for consistency
if (i == 4) {
buffers.initialPost.bindTexture();
} else {
buffers.downSampledScene[i + 1].bindTexture();
}
renderFullscreenQuad();
graphicState.bindDisplay(); // TODO: probably can be removed or moved out of the loop
}
setViewportToWholeDisplay(); // TODO: verify this is necessary
PerformanceMonitor.endActivity();
}
private void generateSkyBand(FBO skyBand) {
materials.blur.enable();
materials.blur.setFloat("radius", 8.0f, true);
materials.blur.setFloat2("texelSize", 1.0f / skyBand.width(), 1.0f / skyBand.height(), true);
if (skyBand == buffers.sceneSkyBand0) {
buffers.sceneOpaque.bindTexture();
} else {
buffers.sceneSkyBand0.bindTexture();
}
skyBand.bind();
graphicState.setRenderBufferMask(skyBand, true, false, false);
setViewportTo(skyBand.dimensions());
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary
renderFullscreenQuad();
graphicState.bindDisplay(); // TODO: verify this is necessary
setViewportToWholeDisplay(); // TODO: verify this is necessary
}
private void generateBlur(FBO sceneBlur) {
materials.blur.enable();
materials.blur.setFloat(
"radius", overallBlurRadiusFactor * renderingConfig.getBlurRadius(), true);
materials.blur.setFloat2(
"texelSize", 1.0f / sceneBlur.width(), 1.0f / sceneBlur.height(), true);
if (sceneBlur == buffers.sceneBlur0) {
buffers.sceneToneMapped.bindTexture();
} else {
buffers.sceneBlur0.bindTexture();
}
sceneBlur.bind();
setViewportTo(sceneBlur.dimensions());
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
renderFullscreenQuad();
graphicState.bindDisplay();
setViewportToWholeDisplay();
}
private void generateBloom(FBO sceneBloom) {
materials.blur.enable();
materials.blur.setFloat("radius", bloomBlurRadius, true);
materials.blur.setFloat2(
"texelSize", 1.0f / sceneBloom.width(), 1.0f / sceneBloom.height(), true);
if (sceneBloom == buffers.sceneBloom0) {
buffers.sceneHighPass.bindTexture();
} else if (sceneBloom == buffers.sceneBloom1) {
buffers.sceneBloom0.bindTexture();
} else {
buffers.sceneBloom1.bindTexture();
}
sceneBloom.bind();
setViewportTo(sceneBloom.dimensions());
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary
renderFullscreenQuad();
graphicState.bindDisplay(); // TODO: verify this is necessary
setViewportToWholeDisplay(); // TODO: verify this is necessary
}
