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Added bloom shaders

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Magnus Norddahl 2016-07-27 21:50:30 +02:00
commit 69f52cc898
16 changed files with 696 additions and 14 deletions
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src/gl/shaders/gl_bloomshader.cpp Normal file
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/*
** gl_bloomshader.cpp
** Shaders used to do bloom
**
**---------------------------------------------------------------------------
** Copyright 2016 Magnus Norddahl
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
** 4. When not used as part of GZDoom or a GZDoom derivative, this code will be
** covered by the terms of the GNU Lesser General Public License as published
** by the Free Software Foundation; either version 2.1 of the License, or (at
** your option) any later version.
** 5. Full disclosure of the entire project's source code, except for third
** party libraries is mandatory. (NOTE: This clause is non-negotiable!)
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include "gl/system/gl_system.h"
#include "files.h"
#include "m_swap.h"
#include "v_video.h"
#include "gl/gl_functions.h"
#include "vectors.h"
#include "gl/system/gl_interface.h"
#include "gl/system/gl_framebuffer.h"
#include "gl/system/gl_cvars.h"
#include "gl/shaders/gl_bloomshader.h"
void FBloomExtractShader::Bind()
{
if (!mShader)
{
mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/bloomextract.vp");
mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/bloomextract.fp");
mShader.SetFragDataLocation(0, "FragColor");
mShader.Link("shaders/glsl/bloomextract");
mShader.SetAttribLocation(0, "PositionInProjection");
SceneTexture.Init(mShader, "SceneTexture");
Exposure.Init(mShader, "ExposureAdjustment");
}
mShader.Bind();
}
void FBloomCombineShader::Bind()
{
if (!mShader)
{
mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/bloomcombine.vp");
mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/bloomcombine.fp");
mShader.SetFragDataLocation(0, "FragColor");
mShader.Link("shaders/glsl/bloomcombine");
mShader.SetAttribLocation(0, "PositionInProjection");
BloomTexture.Init(mShader, "Bloom");
}
mShader.Bind();
}