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GLSL display of float buffers with alpha:

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Previous version worked, now a version with simplifying this GLSL code.
This commit is contained in:
Ton Roosendaal
2013-04-28 11:03:01 +00:00
parent e355abebee
commit eae651db3a
1 changed files with 3 additions and 5 deletions
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8
intern/opencolorio/ocio_impl_glsl.cc
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@@ -92,14 +92,12 @@ static const char *g_fragShaderText = ""
"void main()\n" "void main()\n"
"{\n" "{\n"
" vec4 col = texture2D(tex1, gl_TexCoord[0].st);\n" " vec4 col = texture2D(tex1, gl_TexCoord[0].st);\n"
" float inv_alpha = 1.0;"
" if (predivide == false || col[3] <= 0.0 || col[3] >= 1.0) {\n" " if (predivide == false || col[3] <= 0.0 || col[3] >= 1.0) {\n"
" float inv_alpha = 1.0 / col[3];\n" " float inv_alpha = 1.0 / col[3];\n"
" col[0] *= inv_alpha;\n"
" col[1] *= inv_alpha;\n"
" col[2] *= inv_alpha;\n"
"}\n" "}\n"
" col[0] *= inv_alpha;\n"
" col[1] *= inv_alpha;\n"
" col[2] *= inv_alpha;\n"
"\n"
" gl_FragColor = OCIODisplay(col, tex2);\n" " gl_FragColor = OCIODisplay(col, tex2);\n"
"\n" "\n"
"}\n"; "}\n";