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Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_blend.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_blend.c604
1 files changed, 302 insertions, 302 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_blend.c b/mesalib/src/mesa/state_tracker/st_atom_blend.c
index fb1c7a4ef..e3b3b9936 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_blend.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_blend.c
@@ -1,302 +1,302 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Brian Paul
- */
-
-
-#include "st_context.h"
-#include "st_atom.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "cso_cache/cso_context.h"
-
-#include "main/macros.h"
-
-/**
- * Convert GLenum blend tokens to pipe tokens.
- * Both blend factors and blend funcs are accepted.
- */
-static GLuint
-translate_blend(GLenum blend)
-{
- switch (blend) {
- /* blend functions */
- case GL_FUNC_ADD:
- return PIPE_BLEND_ADD;
- case GL_FUNC_SUBTRACT:
- return PIPE_BLEND_SUBTRACT;
- case GL_FUNC_REVERSE_SUBTRACT:
- return PIPE_BLEND_REVERSE_SUBTRACT;
- case GL_MIN:
- return PIPE_BLEND_MIN;
- case GL_MAX:
- return PIPE_BLEND_MAX;
-
- /* blend factors */
- case GL_ONE:
- return PIPE_BLENDFACTOR_ONE;
- case GL_SRC_COLOR:
- return PIPE_BLENDFACTOR_SRC_COLOR;
- case GL_SRC_ALPHA:
- return PIPE_BLENDFACTOR_SRC_ALPHA;
- case GL_DST_ALPHA:
- return PIPE_BLENDFACTOR_DST_ALPHA;
- case GL_DST_COLOR:
- return PIPE_BLENDFACTOR_DST_COLOR;
- case GL_SRC_ALPHA_SATURATE:
- return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
- case GL_CONSTANT_COLOR:
- return PIPE_BLENDFACTOR_CONST_COLOR;
- case GL_CONSTANT_ALPHA:
- return PIPE_BLENDFACTOR_CONST_ALPHA;
- /*
- return PIPE_BLENDFACTOR_SRC1_COLOR;
- return PIPE_BLENDFACTOR_SRC1_ALPHA;
- */
- case GL_ZERO:
- return PIPE_BLENDFACTOR_ZERO;
- case GL_ONE_MINUS_SRC_COLOR:
- return PIPE_BLENDFACTOR_INV_SRC_COLOR;
- case GL_ONE_MINUS_SRC_ALPHA:
- return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
- case GL_ONE_MINUS_DST_COLOR:
- return PIPE_BLENDFACTOR_INV_DST_COLOR;
- case GL_ONE_MINUS_DST_ALPHA:
- return PIPE_BLENDFACTOR_INV_DST_ALPHA;
- case GL_ONE_MINUS_CONSTANT_COLOR:
- return PIPE_BLENDFACTOR_INV_CONST_COLOR;
- case GL_ONE_MINUS_CONSTANT_ALPHA:
- return PIPE_BLENDFACTOR_INV_CONST_ALPHA;
- /*
- return PIPE_BLENDFACTOR_INV_SRC1_COLOR;
- return PIPE_BLENDFACTOR_INV_SRC1_ALPHA;
- */
- default:
- assert("invalid GL token in translate_blend()" == NULL);
- return 0;
- }
-}
-
-
-/**
- * Convert GLenum logicop tokens to pipe tokens.
- */
-static GLuint
-translate_logicop(GLenum logicop)
-{
- switch (logicop) {
- case GL_CLEAR:
- return PIPE_LOGICOP_CLEAR;
- case GL_NOR:
- return PIPE_LOGICOP_NOR;
- case GL_AND_INVERTED:
- return PIPE_LOGICOP_AND_INVERTED;
- case GL_COPY_INVERTED:
- return PIPE_LOGICOP_COPY_INVERTED;
- case GL_AND_REVERSE:
- return PIPE_LOGICOP_AND_REVERSE;
- case GL_INVERT:
- return PIPE_LOGICOP_INVERT;
- case GL_XOR:
- return PIPE_LOGICOP_XOR;
- case GL_NAND:
- return PIPE_LOGICOP_NAND;
- case GL_AND:
- return PIPE_LOGICOP_AND;
- case GL_EQUIV:
- return PIPE_LOGICOP_EQUIV;
- case GL_NOOP:
- return PIPE_LOGICOP_NOOP;
- case GL_OR_INVERTED:
- return PIPE_LOGICOP_OR_INVERTED;
- case GL_COPY:
- return PIPE_LOGICOP_COPY;
- case GL_OR_REVERSE:
- return PIPE_LOGICOP_OR_REVERSE;
- case GL_OR:
- return PIPE_LOGICOP_OR;
- case GL_SET:
- return PIPE_LOGICOP_SET;
- default:
- assert("invalid GL token in translate_logicop()" == NULL);
- return 0;
- }
-}
-
-/**
- * Figure out if colormasks are different per rt.
- */
-static GLboolean
-colormask_per_rt(struct gl_context *ctx)
-{
- /* a bit suboptimal have to compare lots of values */
- unsigned i;
- for (i = 1; i < ctx->Const.MaxDrawBuffers; i++) {
- if (memcmp(ctx->Color.ColorMask[0], ctx->Color.ColorMask[i], 4)) {
- return GL_TRUE;
- }
- }
- return GL_FALSE;
-}
-
-/**
- * Figure out if blend enables/state are different per rt.
- */
-static GLboolean
-blend_per_rt(struct gl_context *ctx)
-{
- if (ctx->Color.BlendEnabled &&
- (ctx->Color.BlendEnabled != ((1 << ctx->Const.MaxDrawBuffers) - 1))) {
- /* This can only happen if GL_EXT_draw_buffers2 is enabled */
- return GL_TRUE;
- }
- if (ctx->Color._BlendFuncPerBuffer || ctx->Color._BlendEquationPerBuffer) {
- /* this can only happen if GL_ARB_draw_buffers_blend is enabled */
- return GL_TRUE;
- }
- return GL_FALSE;
-}
-
-static void
-update_blend( struct st_context *st )
-{
- struct pipe_blend_state *blend = &st->state.blend;
- unsigned num_state = 1;
- unsigned i, j;
-
- memset(blend, 0, sizeof(*blend));
-
- if (blend_per_rt(st->ctx) || colormask_per_rt(st->ctx)) {
- num_state = st->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 (st->ctx->Color.ColorLogicOpEnabled ||
- (st->ctx->Color.BlendEnabled &&
- st->ctx->Color.Blend[0].EquationRGB == GL_LOGIC_OP)) {
- /* logicop enabled */
- blend->logicop_enable = 1;
- blend->logicop_func = translate_logicop(st->ctx->Color.LogicOp);
- }
- else if (st->ctx->Color.BlendEnabled) {
- /* blending enabled */
- for (i = 0, j = 0; i < num_state; i++) {
-
- blend->rt[i].blend_enable = (st->ctx->Color.BlendEnabled >> i) & 0x1;
-
- if (st->ctx->Extensions.ARB_draw_buffers_blend)
- j = i;
-
- blend->rt[i].rgb_func =
- translate_blend(st->ctx->Color.Blend[j].EquationRGB);
-
- if (st->ctx->Color.Blend[i].EquationRGB == GL_MIN ||
- st->ctx->Color.Blend[i].EquationRGB == GL_MAX) {
- /* Min/max are special */
- blend->rt[i].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[i].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
- }
- else {
- blend->rt[i].rgb_src_factor =
- translate_blend(st->ctx->Color.Blend[j].SrcRGB);
- blend->rt[i].rgb_dst_factor =
- translate_blend(st->ctx->Color.Blend[j].DstRGB);
- }
-
- blend->rt[i].alpha_func =
- translate_blend(st->ctx->Color.Blend[j].EquationA);
-
- if (st->ctx->Color.Blend[i].EquationA == GL_MIN ||
- st->ctx->Color.Blend[i].EquationA == GL_MAX) {
- /* Min/max are special */
- blend->rt[i].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[i].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
- }
- else {
- blend->rt[i].alpha_src_factor =
- translate_blend(st->ctx->Color.Blend[j].SrcA);
- blend->rt[i].alpha_dst_factor =
- translate_blend(st->ctx->Color.Blend[j].DstA);
- }
- }
- }
- else {
- /* no blending / logicop */
- }
-
- /* Colormask - maybe reverse these bits? */
- for (i = 0; i < num_state; i++) {
- if (st->ctx->Color.ColorMask[i][0])
- blend->rt[i].colormask |= PIPE_MASK_R;
- if (st->ctx->Color.ColorMask[i][1])
- blend->rt[i].colormask |= PIPE_MASK_G;
- if (st->ctx->Color.ColorMask[i][2])
- blend->rt[i].colormask |= PIPE_MASK_B;
- if (st->ctx->Color.ColorMask[i][3])
- blend->rt[i].colormask |= PIPE_MASK_A;
- }
-
- if (st->ctx->Color.DitherFlag)
- blend->dither = 1;
-
- if (st->ctx->Multisample.Enabled) {
- /* unlike in gallium/d3d10 these operations are only performed
- if msaa is enabled */
- if (st->ctx->Multisample.SampleAlphaToCoverage)
- blend->alpha_to_coverage = 1;
- if (st->ctx->Multisample.SampleAlphaToOne)
- blend->alpha_to_one = 1;
- }
-
- cso_set_blend(st->cso_context, blend);
-
- {
- struct pipe_blend_color bc;
- COPY_4FV(bc.color, st->ctx->Color.BlendColor);
- cso_set_blend_color(st->cso_context, &bc);
- }
-}
-
-
-const struct st_tracked_state st_update_blend = {
- "st_update_blend", /* name */
- { /* dirty */
- (_NEW_COLOR | _NEW_MULTISAMPLE), /* XXX _NEW_BLEND someday? */ /* mesa */
- 0, /* st */
- },
- update_blend, /* update */
-};
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ * Brian Paul
+ */
+
+
+#include "st_context.h"
+#include "st_atom.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "cso_cache/cso_context.h"
+
+#include "main/macros.h"
+
+/**
+ * Convert GLenum blend tokens to pipe tokens.
+ * Both blend factors and blend funcs are accepted.
+ */
+static GLuint
+translate_blend(GLenum blend)
+{
+ switch (blend) {
+ /* blend functions */
+ case GL_FUNC_ADD:
+ return PIPE_BLEND_ADD;
+ case GL_FUNC_SUBTRACT:
+ return PIPE_BLEND_SUBTRACT;
+ case GL_FUNC_REVERSE_SUBTRACT:
+ return PIPE_BLEND_REVERSE_SUBTRACT;
+ case GL_MIN:
+ return PIPE_BLEND_MIN;
+ case GL_MAX:
+ return PIPE_BLEND_MAX;
+
+ /* blend factors */
+ case GL_ONE:
+ return PIPE_BLENDFACTOR_ONE;
+ case GL_SRC_COLOR:
+ return PIPE_BLENDFACTOR_SRC_COLOR;
+ case GL_SRC_ALPHA:
+ return PIPE_BLENDFACTOR_SRC_ALPHA;
+ case GL_DST_ALPHA:
+ return PIPE_BLENDFACTOR_DST_ALPHA;
+ case GL_DST_COLOR:
+ return PIPE_BLENDFACTOR_DST_COLOR;
+ case GL_SRC_ALPHA_SATURATE:
+ return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
+ case GL_CONSTANT_COLOR:
+ return PIPE_BLENDFACTOR_CONST_COLOR;
+ case GL_CONSTANT_ALPHA:
+ return PIPE_BLENDFACTOR_CONST_ALPHA;
+ /*
+ return PIPE_BLENDFACTOR_SRC1_COLOR;
+ return PIPE_BLENDFACTOR_SRC1_ALPHA;
+ */
+ case GL_ZERO:
+ return PIPE_BLENDFACTOR_ZERO;
+ case GL_ONE_MINUS_SRC_COLOR:
+ return PIPE_BLENDFACTOR_INV_SRC_COLOR;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
+ case GL_ONE_MINUS_DST_COLOR:
+ return PIPE_BLENDFACTOR_INV_DST_COLOR;
+ case GL_ONE_MINUS_DST_ALPHA:
+ return PIPE_BLENDFACTOR_INV_DST_ALPHA;
+ case GL_ONE_MINUS_CONSTANT_COLOR:
+ return PIPE_BLENDFACTOR_INV_CONST_COLOR;
+ case GL_ONE_MINUS_CONSTANT_ALPHA:
+ return PIPE_BLENDFACTOR_INV_CONST_ALPHA;
+ /*
+ return PIPE_BLENDFACTOR_INV_SRC1_COLOR;
+ return PIPE_BLENDFACTOR_INV_SRC1_ALPHA;
+ */
+ default:
+ assert("invalid GL token in translate_blend()" == NULL);
+ return 0;
+ }
+}
+
+
+/**
+ * Convert GLenum logicop tokens to pipe tokens.
+ */
+static GLuint
+translate_logicop(GLenum logicop)
+{
+ switch (logicop) {
+ case GL_CLEAR:
+ return PIPE_LOGICOP_CLEAR;
+ case GL_NOR:
+ return PIPE_LOGICOP_NOR;
+ case GL_AND_INVERTED:
+ return PIPE_LOGICOP_AND_INVERTED;
+ case GL_COPY_INVERTED:
+ return PIPE_LOGICOP_COPY_INVERTED;
+ case GL_AND_REVERSE:
+ return PIPE_LOGICOP_AND_REVERSE;
+ case GL_INVERT:
+ return PIPE_LOGICOP_INVERT;
+ case GL_XOR:
+ return PIPE_LOGICOP_XOR;
+ case GL_NAND:
+ return PIPE_LOGICOP_NAND;
+ case GL_AND:
+ return PIPE_LOGICOP_AND;
+ case GL_EQUIV:
+ return PIPE_LOGICOP_EQUIV;
+ case GL_NOOP:
+ return PIPE_LOGICOP_NOOP;
+ case GL_OR_INVERTED:
+ return PIPE_LOGICOP_OR_INVERTED;
+ case GL_COPY:
+ return PIPE_LOGICOP_COPY;
+ case GL_OR_REVERSE:
+ return PIPE_LOGICOP_OR_REVERSE;
+ case GL_OR:
+ return PIPE_LOGICOP_OR;
+ case GL_SET:
+ return PIPE_LOGICOP_SET;
+ default:
+ assert("invalid GL token in translate_logicop()" == NULL);
+ return 0;
+ }
+}
+
+/**
+ * Figure out if colormasks are different per rt.
+ */
+static GLboolean
+colormask_per_rt(struct gl_context *ctx)
+{
+ /* a bit suboptimal have to compare lots of values */
+ unsigned i;
+ for (i = 1; i < ctx->Const.MaxDrawBuffers; i++) {
+ if (memcmp(ctx->Color.ColorMask[0], ctx->Color.ColorMask[i], 4)) {
+ return GL_TRUE;
+ }
+ }
+ return GL_FALSE;
+}
+
+/**
+ * Figure out if blend enables/state are different per rt.
+ */
+static GLboolean
+blend_per_rt(struct gl_context *ctx)
+{
+ if (ctx->Color.BlendEnabled &&
+ (ctx->Color.BlendEnabled != ((1 << ctx->Const.MaxDrawBuffers) - 1))) {
+ /* This can only happen if GL_EXT_draw_buffers2 is enabled */
+ return GL_TRUE;
+ }
+ if (ctx->Color._BlendFuncPerBuffer || ctx->Color._BlendEquationPerBuffer) {
+ /* this can only happen if GL_ARB_draw_buffers_blend is enabled */
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+}
+
+static void
+update_blend( struct st_context *st )
+{
+ struct pipe_blend_state *blend = &st->state.blend;
+ unsigned num_state = 1;
+ unsigned i, j;
+
+ memset(blend, 0, sizeof(*blend));
+
+ if (blend_per_rt(st->ctx) || colormask_per_rt(st->ctx)) {
+ num_state = st->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 (st->ctx->Color.ColorLogicOpEnabled ||
+ (st->ctx->Color.BlendEnabled &&
+ st->ctx->Color.Blend[0].EquationRGB == GL_LOGIC_OP)) {
+ /* logicop enabled */
+ blend->logicop_enable = 1;
+ blend->logicop_func = translate_logicop(st->ctx->Color.LogicOp);
+ }
+ else if (st->ctx->Color.BlendEnabled) {
+ /* blending enabled */
+ for (i = 0, j = 0; i < num_state; i++) {
+
+ blend->rt[i].blend_enable = (st->ctx->Color.BlendEnabled >> i) & 0x1;
+
+ if (st->ctx->Extensions.ARB_draw_buffers_blend)
+ j = i;
+
+ blend->rt[i].rgb_func =
+ translate_blend(st->ctx->Color.Blend[j].EquationRGB);
+
+ if (st->ctx->Color.Blend[i].EquationRGB == GL_MIN ||
+ st->ctx->Color.Blend[i].EquationRGB == GL_MAX) {
+ /* Min/max are special */
+ blend->rt[i].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend->rt[i].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
+ }
+ else {
+ blend->rt[i].rgb_src_factor =
+ translate_blend(st->ctx->Color.Blend[j].SrcRGB);
+ blend->rt[i].rgb_dst_factor =
+ translate_blend(st->ctx->Color.Blend[j].DstRGB);
+ }
+
+ blend->rt[i].alpha_func =
+ translate_blend(st->ctx->Color.Blend[j].EquationA);
+
+ if (st->ctx->Color.Blend[i].EquationA == GL_MIN ||
+ st->ctx->Color.Blend[i].EquationA == GL_MAX) {
+ /* Min/max are special */
+ blend->rt[i].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend->rt[i].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
+ }
+ else {
+ blend->rt[i].alpha_src_factor =
+ translate_blend(st->ctx->Color.Blend[j].SrcA);
+ blend->rt[i].alpha_dst_factor =
+ translate_blend(st->ctx->Color.Blend[j].DstA);
+ }
+ }
+ }
+ else {
+ /* no blending / logicop */
+ }
+
+ /* Colormask - maybe reverse these bits? */
+ for (i = 0; i < num_state; i++) {
+ if (st->ctx->Color.ColorMask[i][0])
+ blend->rt[i].colormask |= PIPE_MASK_R;
+ if (st->ctx->Color.ColorMask[i][1])
+ blend->rt[i].colormask |= PIPE_MASK_G;
+ if (st->ctx->Color.ColorMask[i][2])
+ blend->rt[i].colormask |= PIPE_MASK_B;
+ if (st->ctx->Color.ColorMask[i][3])
+ blend->rt[i].colormask |= PIPE_MASK_A;
+ }
+
+ if (st->ctx->Color.DitherFlag)
+ blend->dither = 1;
+
+ if (st->ctx->Multisample.Enabled) {
+ /* unlike in gallium/d3d10 these operations are only performed
+ if msaa is enabled */
+ if (st->ctx->Multisample.SampleAlphaToCoverage)
+ blend->alpha_to_coverage = 1;
+ if (st->ctx->Multisample.SampleAlphaToOne)
+ blend->alpha_to_one = 1;
+ }
+
+ cso_set_blend(st->cso_context, blend);
+
+ {
+ struct pipe_blend_color bc;
+ COPY_4FV(bc.color, st->ctx->Color.BlendColor);
+ cso_set_blend_color(st->cso_context, &bc);
+ }
+}
+
+
+const struct st_tracked_state st_update_blend = {
+ "st_update_blend", /* name */
+ { /* dirty */
+ (_NEW_COLOR | _NEW_MULTISAMPLE), /* XXX _NEW_BLEND someday? */ /* mesa */
+ 0, /* st */
+ },
+ update_blend, /* update */
+};
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