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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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4
cogl/cogl-pipeline-layer-private.h
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@ -41,6 +41,9 @@
#ifndef GL_CLAMP_TO_BORDER
#define GL_CLAMP_TO_BORDER 0x812d
#endif
#ifndef GL_MIRRORED_REPEAT
#define GL_MIRRORED_REPEAT 0x8370
#endif
typedef struct _CoglPipelineLayer CoglPipelineLayer;
#define COGL_PIPELINE_LAYER(OBJECT) ((CoglPipelineLayer *)OBJECT)
@ -54,6 +57,7 @@ typedef struct _CoglPipelineLayer CoglPipelineLayer;
typedef enum _CoglPipelineWrapModeInternal
{
COGL_PIPELINE_WRAP_MODE_INTERNAL_REPEAT = GL_REPEAT,
COGL_PIPELINE_WRAP_MODE_INTERNAL_MIRRORED_REPEAT = GL_MIRRORED_REPEAT,
COGL_PIPELINE_WRAP_MODE_INTERNAL_CLAMP_TO_EDGE = GL_CLAMP_TO_EDGE,
COGL_PIPELINE_WRAP_MODE_INTERNAL_CLAMP_TO_BORDER = GL_CLAMP_TO_BORDER,
COGL_PIPELINE_WRAP_MODE_INTERNAL_AUTOMATIC = GL_ALWAYS