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Adds ColorMask support to Cogl

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This adds CoglPipeline and CoglFramebuffer support for setting a color
mask which is a bit mask defining which color channels should be written
to the current framebuffer.

The final color mask is the intersection of the framebuffer color mask
and the pipeline color mask. The framebuffer mask affects all rendering
to the framebuffer while the pipeline masks can be used to affect
individual primitives.

Reviewed-by: Neil Roberts <neil@linux.intel.com>
This commit is contained in:
Robert Bragg
2011-07-11 02:27:54 +01:00
parent 9b6c1eb2cc
commit 8b34a39319
11 changed files with 260 additions and 3 deletions
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6
doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-sections.txt
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@@ -320,6 +320,8 @@ cogl_framebuffer_get_red_bits
cogl_framebuffer_get_green_bits
cogl_framebuffer_get_blue_bits
cogl_framebuffer_get_blue_bits
cogl_framebuffer_get_color_mask
cogl_framebuffer_set_color_mask
cogl_framebuffer_swap_buffers
cogl_framebuffer_swap_region
cogl_framebuffer_add_swap_buffers_callback
@@ -504,6 +506,9 @@ cogl_pipeline_set_blend_constant
cogl_pipeline_set_point_size
cogl_pipeline_get_point_size
cogl_pipeline_get_color_mask
cogl_pipeline_set_color_mask
cogl_pipeline_set_layer_texture
cogl_pipeline_get_layer_texture
CoglMaterialFilter
@@ -620,6 +625,7 @@ CoglPixelFormat
CoglBufferTarget
CoglBufferBit
CoglAttributeType
CoglColorMask
</SECTION>
<SECTION>