void PostProcessor::_initBlur()
{
m_extractBloomProgram = _createShaderProgram(vertexShader, extractBloomShader);
glUseProgram(m_extractBloomProgram);
int loc = glGetUniformLocation(m_extractBloomProgram, "Sample0");
assert(loc >= 0);
glUniform1i(loc, 0);
loc = glGetUniformLocation(m_extractBloomProgram, "ThresholdLevel");
assert(loc >= 0);
glUniform1i(loc, config.bloomFilter.thresholdLevel);
m_seperableBlurProgram = _createShaderProgram(vertexShader, seperableBlurShader);
glUseProgram(m_seperableBlurProgram);
loc = glGetUniformLocation(m_seperableBlurProgram, "Sample0");
assert(loc >= 0);
glUniform1i(loc, 0);
loc = glGetUniformLocation(m_seperableBlurProgram, "TexelSize");
assert(loc >= 0);
glUniform2f(loc, 1.0f / video().getWidth(), 1.0f / video().getHeight());
loc = glGetUniformLocation(m_seperableBlurProgram, "Orientation");
assert(loc >= 0);
glUniform1i(loc, 0);
loc = glGetUniformLocation(m_seperableBlurProgram, "BlurAmount");
assert(loc >= 0);
glUniform1i(loc, config.bloomFilter.blurAmount);
loc = glGetUniformLocation(m_seperableBlurProgram, "BlurScale");
assert(loc >= 0);
glUniform1f(loc, 1.0f);
loc = glGetUniformLocation(m_seperableBlurProgram, "BlurStrength");
assert(loc >= 0);
glUniform1f(loc, config.bloomFilter.blurStrength/100.0f);
m_glowProgram = _createShaderProgram(vertexShader, glowShader);
glUseProgram(m_glowProgram);
loc = glGetUniformLocation(m_glowProgram, "Sample0");
assert(loc >= 0);
glUniform1i(loc, 0);
loc = glGetUniformLocation(m_glowProgram, "Sample1");
assert(loc >= 0);
glUniform1i(loc, 1);
loc = glGetUniformLocation(m_glowProgram, "BlendMode");
assert(loc >= 0);
glUniform1i(loc, config.bloomFilter.blendMode);
m_pTextureGlowMap = _createTexture();
m_pTextureBlur = _createTexture();
m_FBO_glowMap = _createFBO(m_pTextureGlowMap);
m_FBO_blur = _createFBO(m_pTextureBlur);
glUseProgram(0);
}
void PostProcessor::_initCommon()
{
m_pTextureOriginal = _createTexture();
m_FBO_original = _createFBO(m_pTextureOriginal);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
bool GLWindow::configInitFBO()
{
if( !_impl->glewContext || !GLEW_EXT_framebuffer_object )
{
sendError( ERROR_FBO_UNSUPPORTED );
return false;
}
if( !_createFBO( _impl->fbo, 0 ))
return false;
const int samplesSize = getIAttribute(WindowSettings::IATTR_PLANES_SAMPLES);
if( samplesSize <= 0 )
return true;
return _createFBO( _impl->fboMultiSample, samplesSize );
}
void PostProcessor::_initCommon()
{
if (config.video.multisampling != 0) {
m_pTextureResolved = _createTexture();
m_FBO_resolved = _createFBO(m_pTextureResolved);
}
m_pResultBuffer = new FrameBuffer();
_initTexture(m_pResultBuffer->m_pTexture);
_initFBO(m_pResultBuffer->m_FBO, m_pResultBuffer->m_pTexture);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
