mirror/OpenSpace
1
0
Fork 0
mirror of https://github.com/OpenSpace/OpenSpace.git synced 2026-01-02 17:51:35 -06:00
Code Issues Packages Projects Releases Wiki Activity

Fixed bloom. Improved performance.

Browse Source
This commit is contained in:
Jonathas Costa
2019-06-27 22:00:19 -04:00
parent 6b5ce52173
commit f3e972790b
7 changed files with 93 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
src/rendering/framebufferrenderer.cpp
View File

@@ -61,9 +61,8 @@ namespace {
"Lightness", "colorSpace"
};
constexpr const std::array<const char*, 6> BloomUniformNames = {
"renderedImage", "bloomImage", "bloomThresholdMin", "bloomThresholdMax",
"bloomOrigFactor", "bloomNewFactor"
constexpr const std::array<const char*, 4> BloomUniformNames = {
"renderedImage", "bloomImage", "bloomOrigFactor", "bloomNewFactor"
};
constexpr const std::array<const char*, 4> HistoUniformNames = {
@@ -512,23 +511,20 @@ float FramebufferRenderer::computeBufferAveLuminanceGPU() {
}
void FramebufferRenderer::applyBloomFilter() {
GLint defaultFbo;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &defaultFbo);
GLuint vao;
glGenVertexArrays(1, &vao);
if (!_bloomVAO) {
glGenVertexArrays(1, &_bloomVAO);
}
glBindFramebuffer(GL_FRAMEBUFFER, _bloomFilterFBO[0]);
GLenum textureBuffer[] = {
GL_COLOR_ATTACHMENT0
};
glDrawBuffers(1, textureBuffer);
glDrawBuffers(1, ColorAttachment0Array);
glClear(GL_COLOR_BUFFER_BIT);
glViewport(0, 0, _resolution.y, _resolution.x);
glBindVertexArray(vao);
glBindVertexArray(_bloomVAO);
_bloomProgram->activate();
// First blurring pass (vertical)
{
ghoul::opengl::TextureUnit filterTextureUnit;
filterTextureUnit.activate();
@@ -536,6 +532,7 @@ void FramebufferRenderer::applyBloomFilter() {
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, _mainFilterTexture);
_bloomProgram->setUniform("filterStep", 1);
_bloomProgram->setUniform("filterImage", filterTextureUnit);
_bloomProgram->setUniform("numberOfSamples", _nAaSamples);
// Making OpenGL happy...
ghoul::opengl::TextureUnit dummyTextureUnit;
@@ -550,13 +547,14 @@ void FramebufferRenderer::applyBloomFilter() {
_bloomProgram->deactivate();
glBindFramebuffer(GL_FRAMEBUFFER, _bloomFilterFBO[1]);
glDrawBuffers(1, textureBuffer);
glDrawBuffers(1, ColorAttachment0Array);
glViewport(0, 0, _resolution.x, _resolution.y);
glClear(GL_COLOR_BUFFER_BIT);
glBindVertexArray(vao);
glBindVertexArray(_bloomVAO);
_bloomProgram->activate();
// Second blurring pass (horizontal)
{
ghoul::opengl::TextureUnit filterTextureUnit;
filterTextureUnit.activate();
@@ -564,6 +562,7 @@ void FramebufferRenderer::applyBloomFilter() {
glBindTexture(GL_TEXTURE_2D, _bloomTexture[0]);
_bloomProgram->setUniform("filterStep", 2);
_bloomProgram->setUniform("filterFirstPass", filterTextureUnit);
_bloomProgram->setUniform("numberOfSamples", _nAaSamples);
// Making OpenGL happy...
ghoul::opengl::TextureUnit dummyTextureUnit;
@@ -579,12 +578,16 @@ void FramebufferRenderer::applyBloomFilter() {
_bloomProgram->deactivate();
glBindFramebuffer(GL_FRAMEBUFFER, _bloomFilterFBO[2]);
glDrawBuffers(1, textureBuffer);
glDrawBuffers(1, ColorAttachment0Array);
glViewport(0, 0, _resolution.x, _resolution.y);
glClear(GL_COLOR_BUFFER_BIT);
_bloomResolveProgram->activate();
// Adding the result of the blurring processes to the
// hdrFilteringTexture and saving the result in
// the _bloomTexture[2] texture (JCC: That can be
// done by blending operation (ONE))
{
ghoul::opengl::TextureUnit deferredResultsTextureUnit;
deferredResultsTextureUnit.activate();
@@ -617,7 +620,7 @@ void FramebufferRenderer::applyBloomFilter() {
_bloomResolveProgram->deactivate();
glBindFramebuffer(GL_FRAMEBUFFER, defaultFbo);
glBindFramebuffer(GL_FRAMEBUFFER, _osDefaultGLState.defaultFBO);
}
void FramebufferRenderer::computeImageHistogram() {
@@ -935,8 +938,8 @@ void FramebufferRenderer::updateResolution() {
nullptr
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
// Histogram Texture
@@ -1526,7 +1529,7 @@ void FramebufferRenderer::updateMSAASamplingPattern() {
nOneStripProgram->activate();
ghoul::opengl::TextureUnit pixelSizeTextureUnit;
pixelSizeTextureUnit.activate();
pixelSizeTextureUnit.activate ();
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, pixelSizeTexture);
nOneStripProgram->setUniform("pixelSizeTexture", pixelSizeTextureUnit);
@@ -1625,13 +1628,7 @@ void FramebufferRenderer::render(Scene* scene, Camera* camera, float blackoutFac
global::renderEngine.setGLDefaultState(_osDefaultGLState);
// deferred g-buffer plus filter
GLenum textureBuffers[4] = {
GL_COLOR_ATTACHMENT0,
GL_COLOR_ATTACHMENT1,
GL_COLOR_ATTACHMENT2,
GL_COLOR_ATTACHMENT3
};
glDrawBuffers(4, textureBuffers);
glDrawBuffers(4, ColorAttachment0123Array);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
Time time = global::timeManager.time();
@@ -1654,6 +1651,7 @@ void FramebufferRenderer::render(Scene* scene, Camera* camera, float blackoutFac
data.renderBinMask = static_cast<int>(Renderable::RenderBin::Overlay);
scene->render(data, tasks);
// Run Volume Tasks
{
std::unique_ptr<performance::PerformanceMeasurement> perfInternal;
if (doPerformanceMeasurements) {
@@ -1664,12 +1662,12 @@ void FramebufferRenderer::render(Scene* scene, Camera* camera, float blackoutFac
performRaycasterTasks(tasks.raycasterTasks);
}
//glBindFramebuffer(GL_FRAMEBUFFER, defaultFbo);
// Binds the final Framebuffer which will contain the results of the TMOs
glBindFramebuffer(GL_FRAMEBUFFER, _hdrFilteringFramebuffer);
GLenum dBuffer[1] = { GL_COLOR_ATTACHMENT0 };
glDrawBuffers(1, dBuffer);
glDrawBuffers(1, ColorAttachment0Array);
glClear(GL_COLOR_BUFFER_BIT);
// Run Deferred Tasks (resolve step is executed together with these tasks)
{
std::unique_ptr<performance::PerformanceMeasurement> perfInternal;
if (doPerformanceMeasurements) {
@@ -1681,6 +1679,8 @@ void FramebufferRenderer::render(Scene* scene, Camera* camera, float blackoutFac
}
// If no Deferred Task are prensent, the resolve step
// is executed in a separated step
if (tasks.deferredcasterTasks.empty()) {
//glBindFramebuffer(GL_FRAMEBUFFER, defaultFbo);
_resolveProgram->activate();
@@ -1721,6 +1721,9 @@ void FramebufferRenderer::render(Scene* scene, Camera* camera, float blackoutFac
//
////float averageLuminaceInFB = 0.5;
// When applying the TMO, the result is saved to the default FBO to be displayed
// by the Operating System
glBindFramebuffer(GL_FRAMEBUFFER, _osDefaultGLState.defaultFBO);
glViewport(0, 0, _resolution.x, _resolution.y);