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Add MonochromeFragmentShader for MSAA textures.

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This commit is contained in:
Sergey Lipskiy 2017-02-19 21:08:11 +07:00
parent 8544673e96
commit 5d0ea0a6f5
1 changed files with 42 additions and 13 deletions
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55
src/Graphics/OpenGLContext/GLSL/glsl_SpecialShadersFactory.cpp
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@ -102,18 +102,42 @@ namespace glsl {
"} \n" "} \n"
; ;
} else { } else {
m_part = if (config.video.multisampling > 0) {
"uniform sampler2D uColorImage; \n" m_part =
"OUT lowp vec4 fragColor; \n" "uniform lowp sampler2DMS uColorImage; \n"
"void main() \n" "uniform lowp int uMSAASamples; \n"
"{ \n" "OUT lowp vec4 fragColor; \n"
" mediump ivec2 coord = ivec2(gl_FragCoord.xy); \n" "lowp vec4 sampleMS() \n"
" lowp vec4 tex = texelFetch(uColorImage, coord, 0); \n" "{ \n"
//" lowp float c = (tex.r + tex.g + tex.b) / 3.0f; \n" " mediump ivec2 coord = ivec2(gl_FragCoord.xy); \n"
" lowp float c = dot(vec4(0.2126, 0.7152, 0.0722, 0.0), tex);\n" " lowp vec4 texel = vec4(0.0); \n"
" fragColor = vec4(c, c, c, 1.0); \n" " for (int i = 0; i < uMSAASamples; ++i) \n"
"} \n" " texel += texelFetch(uColorImage, coord, i); \n"
; " return texel / float(uMSAASamples); \n"
"} \n"
" \n"
"void main() \n"
"{ \n"
" lowp vec4 tex = sampleMS(); \n"
//" lowp float c = (tex.r + tex.g + tex.b) / 3.0f; \n"
" lowp float c = dot(vec4(0.2126, 0.7152, 0.0722, 0.0), tex);\n"
" fragColor = vec4(c, c, c, 1.0); \n"
"} \n"
;
} else {
m_part =
"uniform sampler2D uColorImage; \n"
"OUT lowp vec4 fragColor; \n"
"void main() \n"
"{ \n"
" mediump ivec2 coord = ivec2(gl_FragCoord.xy); \n"
" lowp vec4 tex = texelFetch(uColorImage, coord, 0); \n"
//" lowp float c = (tex.r + tex.g + tex.b) / 3.0f; \n"
" lowp float c = dot(vec4(0.2126, 0.7152, 0.0722, 0.0), tex);\n"
" fragColor = vec4(c, c, c, 1.0); \n"
"} \n"
;
}
} }
} }
}; };
@ -499,7 +523,12 @@ namespace glsl {
{ {
m_useProgram->useProgram(m_program); m_useProgram->useProgram(m_program);
const int texLoc = glGetUniformLocation(GLuint(m_program), "uColorImage"); const int texLoc = glGetUniformLocation(GLuint(m_program), "uColorImage");
glUniform1i(texLoc, 0); if (config.video.multisampling > 0) {
glUniform1i(texLoc, u32(graphics::textureIndices::MSTex[0]));
const int samplesLoc = glGetUniformLocation(GLuint(m_program), "uMSAASamples");
glUniform1i(samplesLoc, config.video.multisampling);
} else
glUniform1i(texLoc, u32(graphics::textureIndices::Tex[0]));
m_useProgram->useProgram(graphics::ObjectHandle()); m_useProgram->useProgram(graphics::ObjectHandle());
} }
}; };