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837eb54db4
mutter/cogl
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Neil Roberts 837eb54db4 cogl-blend-string: Don't split combined blend statements into two 
When a single statement is used to specify the factors for both the
RGB and alpha parts it previously split up the statement into
two. This works but it ends up unnecessarily using glBlendFuncSeparate
when glBlendFunc would suffice.

For example, the blend statement

 RGBA = ADD(SRC_COLOR*(SRC_COLOR), DST_COLOR*(1-SRC_COLOR))

would get split into the two statements

 RGBA = ADD(SRC_COLOR*(SRC_COLOR[RGB]), DST_COLOR*(1-SRC_COLOR[RGB]))
 A    = ADD(SRC_COLOR*(SRC_COLOR[A]), DST_COLOR*(1-SRC_COLOR[A]))

That translates to:

 glBlendFuncSeparate (GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR,
                      GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

This patch makes it so that arg_to_gl_blend_factor can handle the
combined RGBA mask instead. That way the single statement gets
translated to the equivalent call:

 glBlendFunc (GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR);
2010-05-17 16:31:28 +01:00
..
driver gles: Fix the functions names for the GL_OES_framebuffer_object ext 2010-05-05 12:24:11 +01:00
winsys Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-atlas-texture-private.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-atlas-texture.c cogl-atlas-texture: Fix a memory leak 2010-04-13 17:26:03 +01:00
cogl-atlas.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-atlas.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-bitmap-fallback.c cogl-bitmap: Fix converting formats with and without alpha channels 2010-04-21 10:56:21 +01:00
cogl-bitmap-pixbuf.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-bitmap-private.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-bitmap.c cogl-bitmap: Fix converting formats with and without alpha channels 2010-04-21 10:56:21 +01:00
cogl-bitmap.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-blend-string.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-blend-string.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-buffer-private.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-buffer.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-buffer.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-clip-stack.c cogl-clip-stack: Set *stencil_used_p when the stack is empty 2010-05-06 14:15:04 +01:00
cogl-clip-stack.h cogl: Implement retained clip stacks 2010-04-15 14:51:01 +01:00
cogl-clip-state.c cogl: Implement retained clip stacks 2010-04-15 14:51:01 +01:00
cogl-clip-state.h cogl: Implement retained clip stacks 2010-04-15 14:51:01 +01:00
cogl-color.c cogl: move cogl_set_source* funcs into cogl.c 2010-04-06 09:26:05 +01:00
cogl-color.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-context.c cogl: Support retained paths 2010-04-08 19:53:38 +01:00
cogl-context.h cogl: Support retained paths 2010-04-08 19:53:38 +01:00
cogl-debug.c cogl debug: Adds missing guards around debug cogl_args[] 2010-03-02 16:15:39 +00:00
cogl-debug.h debug: Use G_UNLIKELY in the tests 2010-05-04 17:01:14 +01:00
cogl-deprecated.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-enum-types.c.in Intial Re-layout of the Cogl source code and introduction of a Cogl Winsys 2009-10-16 18:58:50 +01:00
cogl-enum-types.h.in Intial Re-layout of the Cogl source code and introduction of a Cogl Winsys 2009-10-16 18:58:50 +01:00
cogl-feature-private.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-feature-private.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-fixed.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-fixed.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-framebuffer-private.h Separate out CoglClipStackState from cogl-clip-stack.c 2010-04-15 14:51:00 +01:00
cogl-framebuffer.c cogl-framebuffer: Flush journal when creating fbo 2010-05-10 14:38:10 +01:00
cogl-handle.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-internal.h cogl: Support retained paths 2010-04-08 19:53:38 +01:00
cogl-journal-private.h cogl-material: Add support for setting the wrap mode for a layer 2010-04-12 15:44:23 +01:00
cogl-journal.c cogl-material: Add support for setting the wrap mode for a layer 2010-04-12 15:44:23 +01:00
cogl-material-private.h cogl-material: Add support for setting the wrap mode for a layer 2010-04-12 15:44:23 +01:00
cogl-material.c cogl-blend-string: Don't split combined blend statements into two 2010-05-17 16:31:28 +01:00
cogl-material.h cogl-material: Add support for setting the wrap mode for a layer 2010-04-12 15:44:23 +01:00
cogl-matrix-mesa.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-matrix-mesa.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-matrix-private.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-matrix-stack.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-matrix-stack.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-matrix.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-matrix.h cogl: Make private members really hard to accidentally use 2010-04-12 15:38:58 +01:00
cogl-offscreen.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-path-private.h cogl-path: Use true copy-on-write semantics 2010-05-11 16:10:39 +01:00
cogl-path.c cogl-path: Use true copy-on-write semantics 2010-05-11 16:10:39 +01:00
cogl-path.h cogl-path: Add documentation for the angles of cogl_path_arc 2010-04-22 18:17:59 +01:00
cogl-pixel-buffer-private.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-pixel-buffer.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-pixel-buffer.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-primitives.c cogl-material: Use CLAMP_TO_EDGE for WRAP_AUTOMATIC unless overriden 2010-04-12 15:44:23 +01:00
cogl-primitives.h Use begin/end macros in cogl-primitives.h 2010-03-25 09:33:26 +00:00
cogl-profile.c profiling: Adds initial UProf accounting to Cogl 2010-01-08 20:19:50 +00:00
cogl-profile.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-shader.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-spans.c Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-spans.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-sub-texture-private.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-sub-texture.c Split the wrap mode of _cogl_texture_set_wrap_mode into three 2010-04-12 15:44:23 +01:00
cogl-texture-2d-private.h Split the wrap mode of _cogl_texture_set_wrap_mode into three 2010-04-12 15:44:23 +01:00
cogl-texture-2d-sliced-private.h Split the wrap mode of _cogl_texture_set_wrap_mode into three 2010-04-12 15:44:23 +01:00
cogl-texture-2d-sliced.c cogl-texture-2d-sliced: Use the converted bitmap when uploading 2010-04-29 13:15:36 +01:00
cogl-texture-2d.c cogl-material: Add support for setting the wrap mode for a layer 2010-04-12 15:44:23 +01:00
cogl-texture-driver.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-texture-private.h Split the wrap mode of _cogl_texture_set_wrap_mode into three 2010-04-12 15:44:23 +01:00
cogl-texture.c cogl-texture: Don't attempt to use GL to convert formats under GLES 2010-04-29 13:15:35 +01:00
cogl-texture.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-types.h cogl: Make private members really hard to accidentally use 2010-04-12 15:38:58 +01:00
cogl-util.c Return and warn if a handle's refcount is <= 0 2010-03-15 16:22:20 +00:00
cogl-util.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-vertex-buffer-private.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl-vertex-buffer.c cogl-material: Use CLAMP_TO_EDGE for WRAP_AUTOMATIC unless overriden 2010-04-12 15:44:23 +01:00
cogl-vertex-buffer.h Remove mentions of the FSF address 2010-03-01 12:56:10 +00:00
cogl.c debug: wrap glClear calls with the GE macro 2010-04-30 12:10:16 +01:00
cogl.h cogl: renames cogl_multiply_matrix to cogl_transform 2010-04-08 14:37:01 +01:00
cogl.pc.in Intial Re-layout of the Cogl source code and introduction of a Cogl Winsys 2009-10-16 18:58:50 +01:00
Makefile.am Separate out CoglClipStackState from cogl-clip-stack.c 2010-04-15 14:51:00 +01:00
stb_image.c Update stb_image.c 2010-03-03 17:02:51 +00:00