1 files changed, 169 insertions, 45 deletions

diff --git a/src/gallium/drivers/i965/brw_pipe_blend.c b/src/gallium/drivers/i965/brw_pipe_blend.c
index 54d09d9e450..d3bb882b1aa 100644
--- a/src/gallium/drivers/i965/brw_pipe_blend.c
+++ b/src/gallium/drivers/i965/brw_pipe_blend.c
@@ -1,64 +1,188 @@
 
+#include "util/u_memory.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
 
-   /* _NEW_COLOR */
-   if (key->logic_op != GL_COPY) {
-      cc.cc2.logicop_enable = 1;
-      cc.cc5.logicop_func = intel_translate_logic_op(key->logic_op);
-   } else if (key->color_blend) {
-      GLenum eqRGB = key->blend_eq_rgb;
-      GLenum eqA = key->blend_eq_a;
-      GLenum srcRGB = key->blend_src_rgb;
-      GLenum dstRGB = key->blend_dst_rgb;
-      GLenum srcA = key->blend_src_a;
-      GLenum dstA = key->blend_dst_a;
-
-      if (eqRGB == GL_MIN || eqRGB == GL_MAX) {
-	 srcRGB = dstRGB = GL_ONE;
-      }
-
-      if (eqA == GL_MIN || eqA == GL_MAX) {
-	 srcA = dstA = GL_ONE;
-      }
-
-      cc.cc6.dest_blend_factor = brw_translate_blend_factor(dstRGB);
-      cc.cc6.src_blend_factor = brw_translate_blend_factor(srcRGB);
-      cc.cc6.blend_function = brw_translate_blend_equation(eqRGB);
-
-      cc.cc5.ia_dest_blend_factor = brw_translate_blend_factor(dstA);
-      cc.cc5.ia_src_blend_factor = brw_translate_blend_factor(srcA);
-      cc.cc5.ia_blend_function = brw_translate_blend_equation(eqA);
-
-      cc.cc3.blend_enable = 1;
-      cc.cc3.ia_blend_enable = (srcA != srcRGB ||
-				dstA != dstRGB ||
-				eqA != eqRGB);
+#include "brw_context.h"
+#include "brw_defines.h"
+#include "brw_debug.h"
+
+static int translate_logicop(unsigned logicop)
+{
+   switch (logicop) {
+   case PIPE_LOGICOP_CLEAR:
+      return BRW_LOGICOPFUNCTION_CLEAR;
+   case PIPE_LOGICOP_AND:
+      return BRW_LOGICOPFUNCTION_AND;
+   case PIPE_LOGICOP_AND_REVERSE:
+      return BRW_LOGICOPFUNCTION_AND_REVERSE;
+   case PIPE_LOGICOP_COPY:
+      return BRW_LOGICOPFUNCTION_COPY;
+   case PIPE_LOGICOP_COPY_INVERTED:
+      return BRW_LOGICOPFUNCTION_COPY_INVERTED;
+   case PIPE_LOGICOP_AND_INVERTED:
+      return BRW_LOGICOPFUNCTION_AND_INVERTED;
+   case PIPE_LOGICOP_NOOP:
+      return BRW_LOGICOPFUNCTION_NOOP;
+   case PIPE_LOGICOP_XOR:
+      return BRW_LOGICOPFUNCTION_XOR;
+   case PIPE_LOGICOP_OR:
+      return BRW_LOGICOPFUNCTION_OR;
+   case PIPE_LOGICOP_OR_INVERTED:
+      return BRW_LOGICOPFUNCTION_OR_INVERTED;
+   case PIPE_LOGICOP_NOR:
+      return BRW_LOGICOPFUNCTION_NOR;
+   case PIPE_LOGICOP_EQUIV:
+      return BRW_LOGICOPFUNCTION_EQUIV;
+   case PIPE_LOGICOP_INVERT:
+      return BRW_LOGICOPFUNCTION_INVERT;
+   case PIPE_LOGICOP_OR_REVERSE:
+      return BRW_LOGICOPFUNCTION_OR_REVERSE;
+   case PIPE_LOGICOP_NAND:
+      return BRW_LOGICOPFUNCTION_NAND;
+   case PIPE_LOGICOP_SET:
+      return BRW_LOGICOPFUNCTION_SET;
+   default:
+      assert(0);
+      return BRW_LOGICOPFUNCTION_SET;
    }
+}
+
 
-   if (key->dither) {
-      cc.cc5.dither_enable = 1;
-      cc.cc6.y_dither_offset = 0;
-      cc.cc6.x_dither_offset = 0;
+static unsigned translate_blend_equation( unsigned mode )
+{
+   switch (mode) {
+   case PIPE_BLEND_ADD: 
+      return BRW_BLENDFUNCTION_ADD; 
+   case PIPE_BLEND_MIN: 
+      return BRW_BLENDFUNCTION_MIN; 
+   case PIPE_BLEND_MAX: 
+      return BRW_BLENDFUNCTION_MAX; 
+   case PIPE_BLEND_SUBTRACT: 
+      return BRW_BLENDFUNCTION_SUBTRACT; 
+   case PIPE_BLEND_REVERSE_SUBTRACT: 
+      return BRW_BLENDFUNCTION_REVERSE_SUBTRACT; 
+   default: 
+      assert(0);
+      return BRW_BLENDFUNCTION_ADD;
    }
+}
 
-   if (INTEL_DEBUG & DEBUG_STATS)
-      cc.cc5.statistics_enable = 1;
+static unsigned translate_blend_factor( unsigned factor )
+{
+   switch(factor) {
+   case PIPE_BLENDFACTOR_ZERO: 
+      return BRW_BLENDFACTOR_ZERO; 
+   case PIPE_BLENDFACTOR_SRC_ALPHA: 
+      return BRW_BLENDFACTOR_SRC_ALPHA; 
+   case PIPE_BLENDFACTOR_ONE: 
+      return BRW_BLENDFACTOR_ONE; 
+   case PIPE_BLENDFACTOR_SRC_COLOR: 
+      return BRW_BLENDFACTOR_SRC_COLOR; 
+   case PIPE_BLENDFACTOR_INV_SRC_COLOR: 
+      return BRW_BLENDFACTOR_INV_SRC_COLOR; 
+   case PIPE_BLENDFACTOR_DST_COLOR: 
+      return BRW_BLENDFACTOR_DST_COLOR; 
+   case PIPE_BLENDFACTOR_INV_DST_COLOR: 
+      return BRW_BLENDFACTOR_INV_DST_COLOR; 
+   case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
+      return BRW_BLENDFACTOR_INV_SRC_ALPHA; 
+   case PIPE_BLENDFACTOR_DST_ALPHA: 
+      return BRW_BLENDFACTOR_DST_ALPHA; 
+   case PIPE_BLENDFACTOR_INV_DST_ALPHA:
+      return BRW_BLENDFACTOR_INV_DST_ALPHA; 
+   case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 
+      return BRW_BLENDFACTOR_SRC_ALPHA_SATURATE;
+   case PIPE_BLENDFACTOR_CONST_COLOR:
+      return BRW_BLENDFACTOR_CONST_COLOR; 
+   case PIPE_BLENDFACTOR_INV_CONST_COLOR:
+      return BRW_BLENDFACTOR_INV_CONST_COLOR;
+   case PIPE_BLENDFACTOR_CONST_ALPHA:
+      return BRW_BLENDFACTOR_CONST_ALPHA; 
+   case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
+      return BRW_BLENDFACTOR_INV_CONST_ALPHA;
+   default:
+      assert(0);
+      return BRW_BLENDFACTOR_ZERO;
+   }   
 }
 
+static void *brw_create_blend_state( struct pipe_context *pipe,
+				     const struct pipe_blend_state *templ )
+{
+   struct brw_blend_state *blend = CALLOC_STRUCT(brw_blend_state);
+
+   if (templ->logicop_enable) {
+      blend->cc2.logicop_enable = 1;
+      blend->cc5.logicop_func = translate_logicop(templ->logicop_func);
+   } 
+   else if (templ->blend_enable) {
+      blend->cc6.dest_blend_factor = translate_blend_factor(templ->rgb_dst_factor);
+      blend->cc6.src_blend_factor = translate_blend_factor(templ->rgb_src_factor);
+      blend->cc6.blend_function = translate_blend_equation(templ->rgb_func);
+
+      blend->cc5.ia_dest_blend_factor = translate_blend_factor(templ->alpha_dst_factor);
+      blend->cc5.ia_src_blend_factor = translate_blend_factor(templ->alpha_src_factor);
+      blend->cc5.ia_blend_function = translate_blend_equation(templ->alpha_func);
+
+      blend->cc3.blend_enable = 1;
+      blend->cc3.ia_blend_enable = 
+	 (blend->cc6.dest_blend_factor != blend->cc5.ia_dest_blend_factor ||
+	  blend->cc6.src_blend_factor != blend->cc5.ia_src_blend_factor ||
+	  blend->cc6.blend_function != blend->cc5.ia_blend_function);
+   }
+
+   blend->cc5.dither_enable = templ->dither;
+
+   if (BRW_DEBUG & DEBUG_STATS)
+      blend->cc5.statistics_enable = 1;
+
+   return (void *)blend;
+}
+
+static void brw_bind_blend_state(struct pipe_context *pipe,
+				 void *cso)
+{
+   struct brw_context *brw = brw_context(pipe);
+   brw->curr.blend = (const struct brw_blend_state *)cso;
+   brw->state.dirty.mesa |= PIPE_NEW_BLEND;
+}
+
+static void brw_delete_blend_state(struct pipe_context *pipe,
+				  void *cso)
+{
+   struct brw_context *brw = brw_context(pipe);
+   assert((const void *)cso != (const void *)brw->curr.blend);
+   FREE(cso);
+}
 
 
 static void brw_set_blend_color(struct pipe_context *pipe,
-				const float *blend_color)
+				const struct pipe_blend_color *blend_color)
 {
    struct brw_context *brw = brw_context(pipe);
-   struct brw_blend_constant_color *bcc = &brw->curr.blend_color.bcc;
+   struct brw_blend_constant_color *bcc = &brw->curr.bcc;
 
    memset(bcc, 0, sizeof(*bcc));      
    bcc->header.opcode = CMD_BLEND_CONSTANT_COLOR;
    bcc->header.length = sizeof(*bcc)/4-2;
-   bcc->blend_constant_color[0] = blend_color[0];
-   bcc->blend_constant_color[1] = blend_color[1];
-   bcc->blend_constant_color[2] = blend_color[2];
-   bcc->blend_constant_color[3] = blend_color[3];
+   bcc->blend_constant_color[0] = blend_color->color[0];
+   bcc->blend_constant_color[1] = blend_color->color[1];
+   bcc->blend_constant_color[2] = blend_color->color[2];
+   bcc->blend_constant_color[3] = blend_color->color[3];
 
-   brw->state.dirty.pipe |= PIPE_NEW_BLEND_COLOR;
+   brw->state.dirty.mesa |= PIPE_NEW_BLEND_COLOR;
+}
+
+
+void brw_pipe_blend_init( struct brw_context *brw )
+{
+   brw->base.set_blend_color = brw_set_blend_color;
+   brw->base.create_blend_state = brw_create_blend_state;
+   brw->base.bind_blend_state = brw_bind_blend_state;
+   brw->base.delete_blend_state = brw_delete_blend_state;
+}
+
+void brw_pipe_blend_cleanup( struct brw_context *brw )
+{
 }