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- convert colormap shader to postprocess steps

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This commit is contained in:
Magnus Norddahl 2018-06-22 00:51:58 +02:00
parent 83f50f5808
commit ebf0cef283
8 changed files with 64 additions and 127 deletions
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1
src/CMakeLists.txt
View file

@ -1068,7 +1068,6 @@ set (PCH_SOURCES
hwrenderer/postprocessing/hw_presentshader.cpp
hwrenderer/postprocessing/hw_present3dRowshader.cpp
hwrenderer/postprocessing/hw_ambientshader.cpp
hwrenderer/postprocessing/hw_colormapshader.cpp
hwrenderer/postprocessing/hw_tonemapshader.cpp
hwrenderer/textures/hw_material.cpp
hwrenderer/textures/hw_precache.cpp

46
src/gl/renderer/gl_postprocess.cpp
View file

@ -41,7 +41,6 @@
#include "gl/data/gl_vertexbuffer.h"
#include "hwrenderer/postprocessing/hw_ambientshader.h"
#include "hwrenderer/postprocessing/hw_tonemapshader.h"
#include "hwrenderer/postprocessing/hw_colormapshader.h"
#include "hwrenderer/postprocessing/hw_presentshader.h"
#include "hwrenderer/postprocessing/hw_postprocess.h"
#include "hwrenderer/postprocessing/hw_postprocess_cvars.h"
@ -451,45 +450,14 @@ void FGLRenderer::ClearTonemapPalette()
}
}
//-----------------------------------------------------------------------------
//
// Colormap scene texture and place the result in the HUD/2D texture
//
//-----------------------------------------------------------------------------
void FGLRenderer::ColormapScene(int fixedcm)
{
if (fixedcm < CM_FIRSTSPECIALCOLORMAP || fixedcm >= CM_MAXCOLORMAP)
return;
FGLDebug::PushGroup("ColormapScene");
FGLPostProcessState savedState;
mBuffers->BindNextFB();
mBuffers->BindCurrentTexture(0);
mColormapShader->Bind(NOQUEUE);
FSpecialColormap *scm = &SpecialColormaps[fixedcm - CM_FIRSTSPECIALCOLORMAP];
float m[] = { scm->ColorizeEnd[0] - scm->ColorizeStart[0],
scm->ColorizeEnd[1] - scm->ColorizeStart[1], scm->ColorizeEnd[2] - scm->ColorizeStart[2], 0.f };
mColormapShader->Uniforms->MapStart = { scm->ColorizeStart[0], scm->ColorizeStart[1], scm->ColorizeStart[2], 0.f };
mColormapShader->Uniforms->MapRange = m;
mColormapShader->Uniforms.Set();
RenderScreenQuad();
mBuffers->NextTexture();
FGLDebug::PopGroup();
PPColormap colormap;
colormap.DeclareShaders();
colormap.UpdateSteps(fixedcm);
mBuffers->RenderEffect("ColormapScene");
}
//-----------------------------------------------------------------------------
//
// Apply lens distortion and place the result in the HUD/2D texture
//
//-----------------------------------------------------------------------------
void FGLRenderer::LensDistortScene()
{
PPLensDistort lens;
@ -498,12 +466,6 @@ void FGLRenderer::LensDistortScene()
mBuffers->RenderEffect("LensDistortScene");
}
//-----------------------------------------------------------------------------
//
// Apply FXAA and place the result in the HUD/2D texture
//
//-----------------------------------------------------------------------------
void FGLRenderer::ApplyFXAA()
{
PPFXAA fxaa;

4
src/gl/renderer/gl_renderer.cpp
View file

@ -52,7 +52,6 @@
#include "gl/scene/gl_scenedrawer.h"
#include "hwrenderer/postprocessing/hw_ambientshader.h"
#include "hwrenderer/postprocessing/hw_tonemapshader.h"
#include "hwrenderer/postprocessing/hw_colormapshader.h"
#include "hwrenderer/postprocessing/hw_presentshader.h"
#include "hwrenderer/postprocessing/hw_present3dRowshader.h"
#include "hwrenderer/postprocessing/hw_shadowmapshader.h"
@ -101,7 +100,6 @@ FGLRenderer::FGLRenderer(OpenGLFrameBuffer *fb)
mPresent3dRowShader = nullptr;
mTonemapShader = nullptr;
mTonemapPalette = nullptr;
mColormapShader = nullptr;
mLinearDepthShader = nullptr;
mDepthBlurShader = nullptr;
mSSAOShader = nullptr;
@ -120,7 +118,6 @@ void FGLRenderer::Initialize(int width, int height)
mSSAOShader = new FSSAOShader();
mSSAOCombineShader = new FSSAOCombineShader();
mTonemapShader = new FTonemapShader();
mColormapShader = new FColormapShader();
mTonemapPalette = nullptr;
mPresentShader = new FPresentShader();
mPresent3dCheckerShader = new FPresent3DCheckerShader();
@ -178,7 +175,6 @@ FGLRenderer::~FGLRenderer()
if (mPresent3dRowShader) delete mPresent3dRowShader;
if (mTonemapShader) delete mTonemapShader;
if (mTonemapPalette) delete mTonemapPalette;
if (mColormapShader) delete mColormapShader;
if (mShadowMapShader) delete mShadowMapShader;
delete mCustomPostProcessShaders;
}

2
src/gl/renderer/gl_renderer.h
View file

@ -30,7 +30,6 @@ class FDepthBlurShader;
class FSSAOShader;
class FSSAOCombineShader;
class FTonemapShader;
class FColormapShader;
class FPresentShader;
class FPresent3DCheckerShader;
class FPresent3DColumnShader;
@ -76,7 +75,6 @@ public:
FDepthBlurShader *mDepthBlurShader;
FSSAOCombineShader *mSSAOCombineShader;
FTonemapShader *mTonemapShader;
FColormapShader *mColormapShader;
FHardwareTexture *mTonemapPalette;
FPresentShader *mPresentShader;
FPresent3DCheckerShader *mPresent3dCheckerShader;

45
src/hwrenderer/postprocessing/hw_colormapshader.cpp
View file

@ -1,45 +0,0 @@
//
//---------------------------------------------------------------------------
//
// Copyright(C) 2016 Christoph Oelckers
// All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see http://www.gnu.org/licenses/
//
//--------------------------------------------------------------------------
//
/*
** gl_colormapshader.cpp
** Applies a fullscreen colormap to the scene
**
*/
#include "v_video.h"
#include "hw_colormapshader.h"
void FColormapShader::Bind(IRenderQueue *q)
{
if (!mShader)
{
FString prolog = Uniforms.CreateDeclaration("Uniforms", UniformBlock::Desc());
mShader.reset(screen->CreateShaderProgram());
mShader->Compile(IShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
mShader->Compile(IShaderProgram::Fragment, "shaders/glsl/colormap.fp", prolog, 330);
mShader->Link("shaders/glsl/colormap");
mShader->SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
Uniforms.Init();
}
mShader->Bind(q);
}

33
src/hwrenderer/postprocessing/hw_colormapshader.h
View file

@ -1,33 +0,0 @@
#ifndef __GL_COLORMAPSHADER_H
#define __GL_COLORMAPSHADER_H
#include "hwrenderer/postprocessing/hw_shaderprogram.h"
class FColormapShader
{
public:
void Bind(IRenderQueue *q);
struct UniformBlock
{
FVector4 MapStart;
FVector4 MapRange;
static std::vector<UniformFieldDesc> Desc()
{
return
{
{ "uFixedColormapStart", UniformType::Vec4, offsetof(UniformBlock, MapStart) },
{ "uFixedColormapRange", UniformType::Vec4, offsetof(UniformBlock, MapRange) },
};
}
};
ShaderUniforms<UniformBlock, POSTPROCESS_BINDINGPOINT> Uniforms;
private:
std::unique_ptr<IShaderProgram> mShader;
};
#endif

36
src/hwrenderer/postprocessing/hw_postprocess.cpp
View file

@ -478,3 +478,39 @@ void PPCameraExposure::UpdateSteps()
hw_postprocess.Effects["UpdateCameraExposure"] = steps;
}
/////////////////////////////////////////////////////////////////////////////
void PPColormap::DeclareShaders()
{
hw_postprocess.Shaders["Colormap"] = { "shaders/glsl/colormap.fp", "", ColormapUniforms::Desc() };
}
void PPColormap::UpdateSteps(int fixedcm)
{
if (fixedcm < CM_FIRSTSPECIALCOLORMAP || fixedcm >= CM_MAXCOLORMAP)
{
hw_postprocess.Effects["ColormapScene"] = {};
return;
}
FSpecialColormap *scm = &SpecialColormaps[fixedcm - CM_FIRSTSPECIALCOLORMAP];
float m[] = { scm->ColorizeEnd[0] - scm->ColorizeStart[0],
scm->ColorizeEnd[1] - scm->ColorizeStart[1], scm->ColorizeEnd[2] - scm->ColorizeStart[2], 0.f };
ColormapUniforms uniforms;
uniforms.MapStart = { scm->ColorizeStart[0], scm->ColorizeStart[1], scm->ColorizeStart[2], 0.f };
uniforms.MapRange = m;
PPStep step;
step.ShaderName = "Colormap";
step.Uniforms.Set(uniforms);
step.Viewport = screen->mScreenViewport;
step.SetInputCurrent(0);
step.SetOutputNext();
step.SetNoBlend();
TArray<PPStep> steps;
steps.Push(step);
hw_postprocess.Effects["ColormapScene"] = steps;
}

24
src/hwrenderer/postprocessing/hw_postprocess.h
View file

@ -387,3 +387,27 @@ private:
TArray<PPExposureLevel> ExposureLevels;
bool FirstExposureFrame = true;
};
/////////////////////////////////////////////////////////////////////////////
struct ColormapUniforms
{
FVector4 MapStart;
FVector4 MapRange;
static std::vector<UniformFieldDesc> Desc()
{
return
{
{ "uFixedColormapStart", UniformType::Vec4, offsetof(ColormapUniforms, MapStart) },
{ "uFixedColormapRange", UniformType::Vec4, offsetof(ColormapUniforms, MapRange) },
};
}
};
class PPColormap
{
public:
void DeclareShaders();
void UpdateSteps(int fixedcm);
};