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Glow: Use blit.

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This commit is contained in:
vlj
2014-04-19 23:20:12 +02:00
parent d7eaaf4885
commit c353a60443
1 changed files with 8 additions and 6 deletions
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14
src/graphics/render.cpp
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@@ -812,14 +812,16 @@ void IrrDriver::renderGlow(video::SOverrideMaterial &overridemat,
glDisable(GL_BLEND);
// To half
glBindFramebuffer(GL_FRAMEBUFFER, m_rtts->getFBO(FBO_HALF1));
glViewport(0, 0, UserConfigParams::m_width / 2, UserConfigParams::m_height / 2);
m_post_processing->renderPassThrough(m_rtts->getRenderTarget(RTT_TMP1));
glBindFramebuffer(GL_READ_FRAMEBUFFER, irr_driver->getFBO(FBO_TMP1_WITH_DS));
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, irr_driver->getFBO(FBO_HALF1));
glBlitFramebuffer(0, 0, UserConfigParams::m_width, UserConfigParams::m_height, 0, 0, UserConfigParams::m_width / 2, UserConfigParams::m_height / 2, GL_COLOR_BUFFER_BIT, GL_LINEAR);
// To quarter
glBindFramebuffer(GL_FRAMEBUFFER, m_rtts->getFBO(FBO_QUARTER1));
glViewport(0, 0, UserConfigParams::m_width / 4, UserConfigParams::m_height / 4);
m_post_processing->renderPassThrough(m_rtts->getRenderTarget(RTT_HALF1));
glBindFramebuffer(GL_READ_FRAMEBUFFER, irr_driver->getFBO(FBO_HALF1));
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, irr_driver->getFBO(FBO_QUARTER1));
glBlitFramebuffer(0, 0, UserConfigParams::m_width / 2, UserConfigParams::m_height / 2, 0, 0, UserConfigParams::m_width / 4, UserConfigParams::m_height / 4, GL_COLOR_BUFFER_BIT, GL_LINEAR);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glViewport(0, 0, UserConfigParams::m_width, UserConfigParams::m_height);