Mesa (master): st/mesa: Remove support for GL_EXT_blend_logic_op
Ian Romanick
idr at kemper.freedesktop.org
Mon Sep 19 19:03:53 UTC 2011
Module: Mesa
Branch: master
Commit: 3538bffa7287ebef5f2dc4d2e4491aaf6e68b09e
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3538bffa7287ebef5f2dc4d2e4491aaf6e68b09e
Author: Ian Romanick <ian.d.romanick at intel.com>
Date: Fri Sep 9 14:07:54 2011 -0700
st/mesa: Remove support for GL_EXT_blend_logic_op
It was broken, and it isn't really useful anyway.
Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
Reviewed-by: Roland Scheidegger <sroland at vmware.com>
Reviewed-by: Eric Anholt <eric at anholt.net>
Reviewed-by: Marek Olšák <maraeo at gmail.com>
Cc: Brian Paul <brianp at vmware.com>
---
src/mesa/state_tracker/st_atom_blend.c | 10 +---------
src/mesa/state_tracker/st_extensions.c | 1 -
2 files changed, 1 insertions(+), 10 deletions(-)
diff --git a/src/mesa/state_tracker/st_atom_blend.c b/src/mesa/state_tracker/st_atom_blend.c
index 4c9a2b9..1ffc2f1 100644
--- a/src/mesa/state_tracker/st_atom_blend.c
+++ b/src/mesa/state_tracker/st_atom_blend.c
@@ -200,15 +200,7 @@ update_blend( struct st_context *st )
num_state = ctx->Const.MaxDrawBuffers;
blend->independent_blend_enable = 1;
}
- /* Note it is impossible to correctly deal with EXT_blend_logic_op and
- EXT_draw_buffers2/EXT_blend_equation_separate at the same time.
- These combinations would require support for per-rt logicop enables
- and separate alpha/rgb logicop/blend support respectively. Neither
- possible in gallium nor most hardware. Assume these combinations
- don't happen. */
- if (ctx->Color.ColorLogicOpEnabled ||
- (ctx->Color.BlendEnabled &&
- ctx->Color.Blend[0].EquationRGB == GL_LOGIC_OP)) {
+ if (ctx->Color.ColorLogicOpEnabled) {
/* logicop enabled */
blend->logicop_enable = 1;
blend->logicop_func = translate_logicop(ctx->Color.LogicOp);
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 722db8d..108d7ae 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -267,7 +267,6 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.EXT_blend_color = GL_TRUE;
ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
- ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
ctx->Extensions.EXT_blend_minmax = GL_TRUE;
ctx->Extensions.EXT_blend_subtract = GL_TRUE;
ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
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