FrameBuffer * PostProcessor::doGammaCorrection(FrameBuffer * _pBuffer)
{
if (_pBuffer == nullptr)
return nullptr;
m_pResultBuffer->m_postProcessed = _pBuffer->m_postProcessed;
if (((*REG.VI_STATUS & 8) | config.gammaCorrection.force) == 0)
return _pBuffer;
if ((_pBuffer->m_postProcessed&PostProcessor::postEffectGammaCorrection) == PostProcessor::postEffectGammaCorrection)
return m_pResultBuffer;
_pBuffer->m_postProcessed |= PostProcessor::postEffectGammaCorrection;
_preDraw(_pBuffer);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_pResultBuffer->m_FBO);
textureCache().activateTexture(0, m_pTextureOriginal);
glUseProgram(m_gammaCorrectionProgram);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
_postDraw();
m_pResultBuffer->m_postProcessed = _pBuffer->m_postProcessed;
return m_pResultBuffer;
}
FrameBuffer * PostProcessor::doBlur(FrameBuffer * _pBuffer)
{
if (_pBuffer == nullptr)
return nullptr;
m_pResultBuffer->m_postProcessed = _pBuffer->m_postProcessed;
if (config.bloomFilter.enable == 0)
return _pBuffer;
if ((_pBuffer->m_postProcessed&PostProcessor::postEffectBlur) == PostProcessor::postEffectBlur)
return m_pResultBuffer;
_pBuffer->m_postProcessed |= PostProcessor::postEffectBlur;
_preDraw(_pBuffer);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_FBO_glowMap);
textureCache().activateTexture(0, m_pTextureOriginal);
glUseProgram(m_extractBloomProgram);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_FBO_blur);
textureCache().activateTexture(0, m_pTextureGlowMap);
glUseProgram(m_seperableBlurProgram);
int loc = glGetUniformLocation(m_seperableBlurProgram, "Orientation");
assert(loc >= 0);
glUniform1i(loc, 0);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_FBO_glowMap);
textureCache().activateTexture(0, m_pTextureBlur);
glUniform1i(loc, 1);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_pResultBuffer->m_FBO);
textureCache().activateTexture(0, m_pTextureOriginal);
textureCache().activateTexture(1, m_pTextureGlowMap);
glUseProgram(m_glowProgram);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
_postDraw();
m_pResultBuffer->m_postProcessed = _pBuffer->m_postProcessed;
return m_pResultBuffer;
}
FrameBuffer * PostProcessor::doOrientationCorrection(FrameBuffer * _pBuffer)
{
if (_pBuffer == nullptr)
return nullptr;
if (config.generalEmulation.enableBlitScreenWorkaround == 0)
return _pBuffer;
_preDraw(_pBuffer);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_pResultBuffer->m_FBO);
textureCache().activateTexture(0, m_pTextureOriginal);
glUseProgram(m_orientationCorrectionProgram);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
_postDraw();
return m_pResultBuffer;
}
void PostProcessor::doGammaCorrection(FrameBuffer * _pBuffer)
{
if (((*gfx_info.VI_STATUS_REG & 8)|config.gammaCorrection.force) == 0)
return;
if (_pBuffer == nullptr || (_pBuffer->m_postProcessed&PostProcessor::postEffectGammaCorrection) == PostProcessor::postEffectGammaCorrection)
return;
_pBuffer->m_postProcessed |= PostProcessor::postEffectGammaCorrection;
_preDraw(_pBuffer);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, _pBuffer->m_FBO);
textureCache().activateTexture(0, m_pTextureOriginal);
glUseProgram(m_gammaCorrectionProgram);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
_postDraw();
}