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framebuffer: dec current_pipeline_age to force color_mask

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When we need to guarantee that the glColorMask is re-asserted the next
time that a primitive is drawn it is not enough to just OR in the
LOGIC_OPS flag to ctx->current_pipeline_changes_since_flush because
_cogl_pipeline_flush_gl_state actually checks the age of the pipeline
before checking that. If the pipeline hasn't aged then we bail out
early. This makes sure we decrement
ctx->current_pipeline_changes_since_flush so the next time we come to
flush a pipeline we will see a differing age.

Reviewed-by: Neil Roberts <neil@linux.intel.com>
This commit is contained in:
Robert Bragg 2011-07-21 00:41:00 +01:00
parent d51c3c423e
commit b8503418ff
1 changed files with 2 additions and 0 deletions
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2
cogl/cogl-framebuffer.c
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@ -257,6 +257,7 @@ _cogl_clear4f (unsigned long buffers,
/* Make sure the ColorMask is updated when the next primitive is drawn */
ctx->current_pipeline_changes_since_flush |=
COGL_PIPELINE_STATE_LOGIC_OPS;
ctx->current_pipeline_age--;
}
}
@ -1528,6 +1529,7 @@ cogl_framebuffer_set_color_mask (CoglFramebuffer *framebuffer,
/* Make sure the ColorMask is updated when the next primitive is drawn */
ctx->current_pipeline_changes_since_flush |=
COGL_PIPELINE_STATE_LOGIC_OPS;
ctx->current_pipeline_age--;
}
gboolean