OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Add ssao random texture

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This commit is contained in:
Magnus Norddahl 2016-08-30 01:09:21 +02:00
commit 55ea4a7729
8 changed files with 86 additions and 14 deletions
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26
src/gl/renderer/gl_postprocessstate.cpp
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@ -58,7 +58,7 @@ FGLPostProcessState::FGLPostProcessState()
{
glGetIntegerv(GL_ACTIVE_TEXTURE, &activeTex);
glActiveTexture(GL_TEXTURE0);
glGetIntegerv(GL_TEXTURE_BINDING_2D, &textureBinding);
glGetIntegerv(GL_TEXTURE_BINDING_2D, &textureBinding[0]);
glBindTexture(GL_TEXTURE_2D, 0);
if (gl.flags & RFL_SAMPLER_OBJECTS)
{
@ -88,6 +88,15 @@ FGLPostProcessState::FGLPostProcessState()
glDisable(GL_BLEND);
}
void FGLPostProcessState::SaveTextureBinding1()
{
glActiveTexture(GL_TEXTURE1);
glGetIntegerv(GL_TEXTURE_BINDING_2D, &textureBinding[1]);
glBindTexture(GL_TEXTURE_2D, 0);
textureBinding1Saved = true;
glActiveTexture(GL_TEXTURE0);
}
//-----------------------------------------------------------------------------
//
// Restores state at the end of post processing
@ -121,6 +130,12 @@ FGLPostProcessState::~FGLPostProcessState()
glUseProgram(currentProgram);
if (textureBinding1Saved)
{
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, 0);
}
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 0);
if (gl.flags & RFL_SAMPLER_OBJECTS)
@ -128,6 +143,13 @@ FGLPostProcessState::~FGLPostProcessState()
glBindSampler(0, samplerBinding[0]);
glBindSampler(1, samplerBinding[1]);
}
glBindTexture(GL_TEXTURE_2D, textureBinding);
glBindTexture(GL_TEXTURE_2D, textureBinding[0]);
if (textureBinding1Saved)
{
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, textureBinding[1]);
}
glActiveTexture(activeTex);
}