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This commit is contained in:
Niels De Graef 2019-06-24 15:05:15 +02:00
parent 940a485206
commit 1fd5e9bb0b
1 changed files with 10 additions and 3 deletions
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13
cogl/cogl/driver/gl/gles/cogl-driver-gles.c
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@ -87,10 +87,17 @@ _cogl_driver_pixel_format_to_gl (CoglContext *context,
gltype = GL_UNSIGNED_BYTE;
break;
/* GLES doesn't have GL_RED, so use GL_ALPHA and use a swizzle later */
case COGL_PIXEL_FORMAT_R_8:
glintformat = GL_ALPHA;
glformat = GL_ALPHA;
if (cogl_has_feature (context, COGL_FEATURE_ID_TEXTURE_RG))
{
glintformat = GL_RED;
glformat = GL_R8;
}
else
{
glintformat = GL_LUMINANCE;
glformat = GL_LUMINANCE;
}
gltype = GL_UNSIGNED_BYTE;
break;