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Adds support for a mirrored repeat wrap mode

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This adds COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT enum so that mirrored
texture repeating can be used. This also adds support for emulating the
MIRRORED_REPEAT mode via the cogl-spans API so it can also be used with
meta textures such as sliced and atlas textures.

Reviewed-by: Neil Roberts <neil@linux.intel.com>
This commit is contained in:
Robert Bragg
2011-10-13 14:02:37 +01:00
parent 1d8fd64e1c
commit 1a30f4fb15
8 changed files with 54 additions and 8 deletions
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3
cogl/cogl-pipeline-layer-state.h
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@ -111,8 +111,9 @@ typedef enum {
*/
typedef enum {
COGL_PIPELINE_WRAP_MODE_REPEAT = 0x2901,
COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT = 0x8370,
COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE = 0x812F,
COGL_PIPELINE_WRAP_MODE_AUTOMATIC = 0x0207
COGL_PIPELINE_WRAP_MODE_AUTOMATIC = 0x0207 /* GL_ALWAYS */
} CoglPipelineWrapMode;
/* NB: these values come from the equivalents in gl.h */