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Fix blur shader to use RenderScreenQuad

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This commit is contained in:
Magnus Norddahl 2016-08-12 17:51:06 +02:00 committed by Christoph Oelckers
parent 210fce1193
commit 647ef5d029
3 changed files with 17 additions and 21 deletions
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12
src/gl/renderer/gl_postprocess.cpp
View file

@ -154,8 +154,8 @@ void FGLRenderer::BloomScene()
{
const auto &level = mBuffers->BloomLevels[i];
const auto &next = mBuffers->BloomLevels[i + 1];
mBlurShader->BlurHorizontal(mVBO, blurAmount, sampleCount, level.VTexture, level.HFramebuffer, level.Width, level.Height);
mBlurShader->BlurVertical(mVBO, blurAmount, sampleCount, level.HTexture, next.VFramebuffer, next.Width, next.Height);
mBlurShader->BlurHorizontal(this, blurAmount, sampleCount, level.VTexture, level.HFramebuffer, level.Width, level.Height);
mBlurShader->BlurVertical(this, blurAmount, sampleCount, level.HTexture, next.VFramebuffer, next.Width, next.Height);
}
// Blur and upscale:
@ -164,8 +164,8 @@ void FGLRenderer::BloomScene()
const auto &level = mBuffers->BloomLevels[i];
const auto &next = mBuffers->BloomLevels[i - 1];
mBlurShader->BlurHorizontal(mVBO, blurAmount, sampleCount, level.VTexture, level.HFramebuffer, level.Width, level.Height);
mBlurShader->BlurVertical(mVBO, blurAmount, sampleCount, level.HTexture, level.VFramebuffer, level.Width, level.Height);
mBlurShader->BlurHorizontal(this, blurAmount, sampleCount, level.VTexture, level.HFramebuffer, level.Width, level.Height);
mBlurShader->BlurVertical(this, blurAmount, sampleCount, level.HTexture, level.VFramebuffer, level.Width, level.Height);
// Linear upscale:
glBindFramebuffer(GL_FRAMEBUFFER, next.VFramebuffer);
@ -179,8 +179,8 @@ void FGLRenderer::BloomScene()
RenderScreenQuad();
}
mBlurShader->BlurHorizontal(mVBO, blurAmount, sampleCount, level0.VTexture, level0.HFramebuffer, level0.Width, level0.Height);
mBlurShader->BlurVertical(mVBO, blurAmount, sampleCount, level0.HTexture, level0.VFramebuffer, level0.Width, level0.Height);
mBlurShader->BlurHorizontal(this, blurAmount, sampleCount, level0.VTexture, level0.HFramebuffer, level0.Width, level0.Height);
mBlurShader->BlurVertical(this, blurAmount, sampleCount, level0.HTexture, level0.VFramebuffer, level0.Width, level0.Height);
// Add bloom back to scene texture:
mBuffers->BindCurrentFB();

18
src/gl/shaders/gl_blurshader.cpp
View file

@ -49,6 +49,7 @@
#include "gl/system/gl_cvars.h"
#include "gl/shaders/gl_blurshader.h"
#include "gl/data/gl_vertexbuffer.h"
#include "gl/renderer/gl_renderer.h"
//==========================================================================
//
@ -56,9 +57,9 @@
//
//==========================================================================
void FBlurShader::BlurVertical(FFlatVertexBuffer *vbo, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height)
void FBlurShader::BlurVertical(FGLRenderer *renderer, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height)
{
Blur(vbo, blurAmount, sampleCount, inputTexture, outputFrameBuffer, width, height, true);
Blur(renderer, blurAmount, sampleCount, inputTexture, outputFrameBuffer, width, height, true);
}
//==========================================================================
@ -67,9 +68,9 @@ void FBlurShader::BlurVertical(FFlatVertexBuffer *vbo, float blurAmount, int sam
//
//==========================================================================
void FBlurShader::BlurHorizontal(FFlatVertexBuffer *vbo, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height)
void FBlurShader::BlurHorizontal(FGLRenderer *renderer, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height)
{
Blur(vbo, blurAmount, sampleCount, inputTexture, outputFrameBuffer, width, height, false);
Blur(renderer, blurAmount, sampleCount, inputTexture, outputFrameBuffer, width, height, false);
}
//==========================================================================
@ -78,7 +79,7 @@ void FBlurShader::BlurHorizontal(FFlatVertexBuffer *vbo, float blurAmount, int s
//
//==========================================================================
void FBlurShader::Blur(FFlatVertexBuffer *vbo, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height, bool vertical)
void FBlurShader::Blur(FGLRenderer *renderer, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height, bool vertical)
{
BlurSetup *setup = GetSetup(blurAmount, sampleCount);
if (vertical)
@ -111,12 +112,7 @@ void FBlurShader::Blur(FFlatVertexBuffer *vbo, float blurAmount, int sampleCount
glViewport(0, 0, width, height);
glDisable(GL_BLEND);
FFlatVertex *ptr = vbo->GetBuffer();
ptr->Set(-1.0f, -1.0f, 0, 0.0f, 0.0f); ptr++;
ptr->Set(-1.0f, 1.0f, 0, 0.0f, 1.0f); ptr++;
ptr->Set(1.0f, -1.0f, 0, 1.0f, 0.0f); ptr++;
ptr->Set(1.0f, 1.0f, 0, 1.0f, 1.0f); ptr++;
vbo->RenderCurrent(ptr, GL_TRIANGLE_STRIP);
renderer->RenderScreenQuad();
}
//==========================================================================

8
src/gl/shaders/gl_blurshader.h
View file

@ -4,16 +4,16 @@
#include "gl_shaderprogram.h"
#include <memory>
class FFlatVertexBuffer;
class FGLRenderer;
class FBlurShader
{
public:
void BlurVertical(FFlatVertexBuffer *vbo, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height);
void BlurHorizontal(FFlatVertexBuffer *vbo, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height);
void BlurVertical(FGLRenderer *renderer, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height);
void BlurHorizontal(FGLRenderer *renderer, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height);
private:
void Blur(FFlatVertexBuffer *vbo, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height, bool vertical);
void Blur(FGLRenderer *renderer, float blurAmount, int sampleCount, GLuint inputTexture, GLuint outputFrameBuffer, int width, int height, bool vertical);
struct BlurSetup
{