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OGLRender: 

- When doing the depth buffer calculation, clamp the depth value to GL_DEPTH_RANGE {0.0, 1.0} in the fragment shader itself. Fixes 3D rendering on older drivers that won’t do the clamp for you. (Regression from r5133.)
This commit is contained in:
rogerman 2015-03-27 21:45:43 +00:00
parent 8a9295796d
commit 0161ced7ff
2 changed files with 4 additions and 4 deletions
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4
desmume/src/OGLRender.cpp
View File

@ -331,8 +331,8 @@ static const char *fragmentShader_100 = {"\
discard; \n\ discard; \n\
} \n\ } \n\
\n\ \n\
float vertW = (vtxPosition.w == 0.0f) ? 0.00000001f : vtxPosition.w; \n\ float vertW = (vtxPosition.w == 0.0) ? 0.00000001 : vtxPosition.w; \n\
gl_FragDepth = (oglWBuffer) ? vtxPosition.w/4096.0 : (vtxPosition.z / vertW) * 0.5 + 0.5; \n\ gl_FragDepth = (oglWBuffer) ? vtxPosition.w/4096.0 : clamp((vtxPosition.z/vertW) * 0.5 + 0.5, 0.0, 1.0); \n\
gl_FragColor = fragColor; \n\ gl_FragColor = fragColor; \n\
} \n\ } \n\
"}; "};

4
desmume/src/OGLRender_3_2.cpp
View File

@ -181,8 +181,8 @@ static const char *fragmentShader_150 = {"\
discard; \n\ discard; \n\
} \n\ } \n\
\n\ \n\
float vertW = (vtxPosition.w == 0.0f) ? 0.00000001f : vtxPosition.w; \n\ float vertW = (vtxPosition.w == 0.0) ? 0.00000001 : vtxPosition.w; \n\
gl_FragDepth = (oglWBuffer) ? vtxPosition.w/4096.0 : (vtxPosition.z / vertW) * 0.5 + 0.5; \n\ gl_FragDepth = (oglWBuffer) ? vtxPosition.w/4096.0 : clamp((vtxPosition.z/vertW) * 0.5 + 0.5, 0.0, 1.0); \n\
outFragColor = fragColor; \n\ outFragColor = fragColor; \n\
} \n\ } \n\
"}; "};