diff options
| -rw-r--r-- | cogl/cogl/driver/gl/gles/cogl-driver-gles.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/cogl/cogl/driver/gl/gles/cogl-driver-gles.c b/cogl/cogl/driver/gl/gles/cogl-driver-gles.c index 26607e096..562bcbe24 100644 --- a/cogl/cogl/driver/gl/gles/cogl-driver-gles.c +++ b/cogl/cogl/driver/gl/gles/cogl-driver-gles.c @@ -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; |