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::_initOrientationCorrection()
{
m_orientationCorrectionProgram = _createShaderProgram(vertexShader, orientationCorrectionShader);
glUseProgram(m_orientationCorrectionProgram);
int loc = glGetUniformLocation(m_orientationCorrectionProgram, "Sample0");
assert(loc >= 0);
glUniform1i(loc, 0);
glUseProgram(0);
}
void PostProcessor::_initGammaCorrection()
{
m_gammaCorrectionProgram = _createShaderProgram(vertexShader, gammaCorrectionShader);
glUseProgram(m_gammaCorrectionProgram);
int loc = glGetUniformLocation(m_gammaCorrectionProgram, "Sample0");
assert(loc >= 0);
glUniform1i(loc, 0);
loc = glGetUniformLocation(m_gammaCorrectionProgram, "uGammaCorrectionLevel");
assert(loc >= 0);
const f32 gammaLevel = (config.gammaCorrection.force != 0) ? config.gammaCorrection.level : 2.0f;
glUniform1f(loc, gammaLevel);
glUseProgram(0);
}