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Correct special shader for fog in Beetle Adventure Racing.

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fixes #2556 Beetle Adventure Racing. Fog is broken.
This commit is contained in:
Sergey Lipskiy 2021-08-24 23:00:25 +07:00
parent 911ef68994
commit 10b6817613
1 changed files with 9 additions and 0 deletions
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9
src/Graphics/OpenGLContext/GLSL/glsl_SpecialShadersFactory.cpp
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@ -30,6 +30,9 @@ namespace glsl {
"void main() \n"
"{ \n"
" gl_Position = aRectPosition; \n"
" gl_Position.xy += uVertexOffset * vec2(gl_Position.w); \n"
" gl_Position.xy -= vec2(0.5*screenSizeDims) * gl_Position.ww; \n"
" gl_Position.xy /= vec2(0.5*screenSizeDims); \n"
"} \n"
;
}
@ -637,6 +640,8 @@ namespace glsl {
m_locZlut = glGetUniformLocation(GLuint(m_program), "uZlutImage");
m_locTlut = glGetUniformLocation(GLuint(m_program), "uTlutImage");
m_locDepthImage = glGetUniformLocation(GLuint(m_program), "uDepthImage");
m_locVertexOffset = glGetUniformLocation(GLuint(m_program), "uVertexOffset");
m_useProgram->useProgram(graphics::ObjectHandle::null);
}
@ -647,6 +652,9 @@ namespace glsl {
glUniform1i(m_locTlut, int(graphics::textureIndices::PaletteTex));
glUniform1i(m_locDepthImage, 0);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
const bool isNativeRes = config.frameBufferEmulation.nativeResFactor == 1 && config.video.multisampling == 0;
const float vertexOffset = isNativeRes ? 0.5f : 0.0f;
glUniform2f(m_locVertexOffset, vertexOffset, vertexOffset);
g_paletteTexture.update();
}
@ -655,6 +663,7 @@ namespace glsl {
int m_locZlut;
int m_locTlut;
int m_locDepthImage;
int m_locVertexOffset;
};
/*---------------FXAAShader-------------*/