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@intel.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Marek Olšák <maraeo@gmail.com>
Cc: Brian Paul <brianp@vmware.com>
This commit is contained in:
Ian Romanick
2011-09-09 14:07:54 -07:00
parent 636dd62131
commit 3538bffa72
2 changed files with 1 additions and 10 deletions

View File

@@ -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);

View File

@@ -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;