OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Added tonemapping and sector based exposure control

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This commit is contained in:
Magnus Norddahl 2016-07-29 00:36:43 +02:00
commit 0efee85bd8
12 changed files with 284 additions and 30 deletions
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41
src/gl/renderer/gl_renderbuffers.cpp
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@ -97,10 +97,16 @@ void FGLRenderBuffers::Clear()
glDeleteTextures(1, &mSceneTexture);
if (mSceneDepthStencil != 0)
glDeleteRenderbuffers(1, &mSceneDepthStencil);
if (mHudFB != 0)
glDeleteFramebuffers(1, &mHudFB);
if (mHudTexture != 0)
glDeleteTextures(1, &mHudTexture);
mSceneFB = 0;
mSceneTexture = 0;
mSceneDepthStencil = 0;
mHudFB = 0;
mHudTexture = 0;
mWidth = 0;
mHeight = 0;
}
@ -122,7 +128,9 @@ void FGLRenderBuffers::Setup(int width, int height)
glActiveTexture(GL_TEXTURE0);
glGenFramebuffers(1, &mSceneFB);
glGenFramebuffers(1, &mHudFB);
glGenTextures(1, &mSceneTexture);
glGenTextures(1, &mHudTexture);
glGenRenderbuffers(1, &mSceneDepthStencil);
glBindTexture(GL_TEXTURE_2D, mSceneTexture);
@ -139,6 +147,16 @@ void FGLRenderBuffers::Setup(int width, int height)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mSceneTexture, 0);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mSceneDepthStencil);
glBindTexture(GL_TEXTURE_2D, mHudTexture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16, width, height, 0, GL_RGBA, GL_UNSIGNED_SHORT, nullptr);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindFramebuffer(GL_FRAMEBUFFER, mHudFB);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mHudTexture, 0);
int bloomWidth = MAX(width / 2, 1);
int bloomHeight = MAX(height / 2, 1);
for (int i = 0; i < NumBloomLevels; i++)
@ -191,6 +209,17 @@ void FGLRenderBuffers::BindSceneFB()
glBindFramebuffer(GL_FRAMEBUFFER, mSceneFB);
}
//==========================================================================
//
// Makes the 2D/HUD frame buffer active
//
//==========================================================================
void FGLRenderBuffers::BindHudFB()
{
glBindFramebuffer(GL_FRAMEBUFFER, mHudFB);
}
//==========================================================================
//
// Makes the screen frame buffer active
@ -213,3 +242,15 @@ void FGLRenderBuffers::BindSceneTexture(int index)
glActiveTexture(GL_TEXTURE0 + index);
glBindTexture(GL_TEXTURE_2D, mSceneTexture);
}
//==========================================================================
//
// Binds the 2D/HUD frame buffer texture to the specified texture unit
//
//==========================================================================
void FGLRenderBuffers::BindHudTexture(int index)
{
glActiveTexture(GL_TEXTURE0 + index);
glBindTexture(GL_TEXTURE_2D, mHudTexture);
}