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C++ brw_ENDIF函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中brw_ENDIF函数的典型用法代码示例。如果您正苦于以下问题：C++ brw_ENDIF函数的具体用法？C++ brw_ENDIF怎么用？C++ brw_ENDIF使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了brw_ENDIF函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: do_twoside_color

static void do_twoside_color( struct brw_sf_compile *c )
{
   struct brw_compile *p = &c->func;
   GLuint backface_conditional = c->key.frontface_ccw ? BRW_CONDITIONAL_G : BRW_CONDITIONAL_L;

   /* Already done in clip program:
    */
   if (c->key.primitive == SF_UNFILLED_TRIS)
      return;

   /* If the vertex shader provides backface color, do the selection. The VS
    * promises to set up the front color if the backface color is provided, but
    * it may contain junk if never written to.
    */
   if (!(have_attr(c, VARYING_SLOT_COL0) && have_attr(c, VARYING_SLOT_BFC0)) &&
       !(have_attr(c, VARYING_SLOT_COL1) && have_attr(c, VARYING_SLOT_BFC1)))
      return;

   /* Need to use BRW_EXECUTE_4 and also do an 4-wide compare in order
    * to get all channels active inside the IF.  In the clipping code
    * we run with NoMask, so it's not an option and we can use
    * BRW_EXECUTE_1 for all comparisions.
    */
   brw_CMP(p, vec4(brw_null_reg()), backface_conditional, c->det, brw_imm_f(0));
   brw_IF(p, BRW_EXECUTE_4);
   {
      switch (c->nr_verts) {
      case 3: copy_bfc(c, c->vert[2]);
      case 2: copy_bfc(c, c->vert[1]);
      case 1: copy_bfc(c, c->vert[0]);
      }
   }
   brw_ENDIF(p);
}
开发者ID:TechnoMancer，项目名称:mesa，代码行数:34，代码来源:brw_sf_emit.c


示例2: merge_edgeflags

static void merge_edgeflags( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;
   struct brw_reg tmp0 = get_element_ud(c->reg.tmp0, 0);

   brw_AND(p, tmp0, get_element_ud(c->reg.R0, 2), brw_imm_ud(PRIM_MASK)); 
   brw_CMP(p, 
	   vec1(brw_null_reg()), 
	   BRW_CONDITIONAL_EQ, 
	   tmp0,
	   brw_imm_ud(_3DPRIM_POLYGON));

   /* Get away with using reg.vertex because we know that this is not
    * a _3DPRIM_TRISTRIP_REVERSE:
    */
   brw_IF(p, BRW_EXECUTE_1);
   {   
      brw_set_conditionalmod(p, BRW_CONDITIONAL_EQ);
      brw_AND(p, vec1(brw_null_reg()), get_element_ud(c->reg.R0, 2), brw_imm_ud(1<<8));
      brw_MOV(p, byte_offset(c->reg.vertex[0],
                             brw_varying_to_offset(&c->vue_map,
                                                   VARYING_SLOT_EDGE)),
              brw_imm_f(0));
      brw_set_predicate_control(p, BRW_PREDICATE_NONE);

      brw_set_conditionalmod(p, BRW_CONDITIONAL_EQ);
      brw_AND(p, vec1(brw_null_reg()), get_element_ud(c->reg.R0, 2), brw_imm_ud(1<<9));
      brw_MOV(p, byte_offset(c->reg.vertex[2],
                             brw_varying_to_offset(&c->vue_map,
                                                   VARYING_SLOT_EDGE)),
              brw_imm_f(0));
      brw_set_predicate_control(p, BRW_PREDICATE_NONE);
   }
   brw_ENDIF(p);
}
开发者ID:UIKit0，项目名称:mesa-1，代码行数:35，代码来源:brw_clip_unfilled.c


示例3: emit_unfilled_primitives

static void emit_unfilled_primitives( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;

   /* Direction culling has already been done.
    */
   if (c->key.fill_ccw != c->key.fill_cw &&
       c->key.fill_ccw != CLIP_CULL &&
       c->key.fill_cw != CLIP_CULL)
   {
      brw_CMP(p,
	      vec1(brw_null_reg()),
	      BRW_CONDITIONAL_GE,
	      get_element(c->reg.dir, 2),
	      brw_imm_f(0));

      brw_IF(p, BRW_EXECUTE_1);
      {
	 emit_primitives(c, c->key.fill_ccw, c->key.offset_ccw);
      }
      brw_ELSE(p);
      {
	 emit_primitives(c, c->key.fill_cw, c->key.offset_cw);
      }
      brw_ENDIF(p);
   }
   else if (c->key.fill_cw != CLIP_CULL) {
      emit_primitives(c, c->key.fill_cw, c->key.offset_cw);
   }
   else if (c->key.fill_ccw != CLIP_CULL) {
      emit_primitives(c, c->key.fill_ccw, c->key.offset_ccw);
   }
}
开发者ID:Thermionix，项目名称:Mesa-3D，代码行数:33，代码来源:brw_clip_unfilled.c


示例4: cull_direction

static void cull_direction( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;
   GLuint conditional;

   assert (!(c->key.fill_ccw == CLIP_CULL &&
	     c->key.fill_cw == CLIP_CULL));

   if (c->key.fill_ccw == CLIP_CULL)
      conditional = BRW_CONDITIONAL_GE;
   else
      conditional = BRW_CONDITIONAL_L;

   brw_CMP(p,
	   vec1(brw_null_reg()),
	   conditional,
	   get_element(c->reg.dir, 2),
	   brw_imm_f(0));

   brw_IF(p, BRW_EXECUTE_1);
   {
      brw_clip_kill_thread(c);
   }
   brw_ENDIF(p);
}
开发者ID:Thermionix，项目名称:Mesa-3D，代码行数:25，代码来源:brw_clip_unfilled.c


示例5: brw_clip_ff_sync

void brw_clip_ff_sync(struct brw_clip_compile *c)
{
    if (c->need_ff_sync) {
        struct brw_compile *p = &c->func;
        struct brw_instruction *need_ff_sync;

        brw_set_conditionalmod(p, BRW_CONDITIONAL_Z);
        brw_AND(p, brw_null_reg(), c->reg.ff_sync, brw_imm_ud(0x1));
        need_ff_sync = brw_IF(p, BRW_EXECUTE_1);
        {
            brw_OR(p, c->reg.ff_sync, c->reg.ff_sync, brw_imm_ud(0x1));
            brw_ff_sync(p, 
                    c->reg.R0,
                    0,
                    c->reg.R0,
                    1,	
                    1,		/* used */
                    1,  	/* msg length */
                    1,		/* response length */
                    0,		/* eot */
                    1,		/* write compelete */
                    0,		/* urb offset */
                    BRW_URB_SWIZZLE_NONE);
        }
        brw_ENDIF(p, need_ff_sync);
        brw_set_predicate_control(p, BRW_PREDICATE_NONE);
    }
}
开发者ID:MttDs，项目名称:new-rexeno-tindpe，代码行数:28，代码来源:brw_clip_util.c


示例6: brw_emit_unfilled_clip

void brw_emit_unfilled_clip( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;

   c->need_direction = ((c->key.offset_ccw || c->key.offset_cw) ||
			(c->key.fill_ccw != c->key.fill_cw) ||
			c->key.fill_ccw == CLIP_CULL ||
			c->key.fill_cw == CLIP_CULL ||
			c->key.copy_bfc_cw ||
			c->key.copy_bfc_ccw);

   brw_clip_tri_alloc_regs(c, 3 + c->key.nr_userclip + 6);
   brw_clip_tri_init_vertices(c);
   brw_clip_init_ff_sync(c);

   assert(brw_clip_have_varying(c, VARYING_SLOT_EDGE));

   if (c->key.fill_ccw == CLIP_CULL &&
       c->key.fill_cw == CLIP_CULL) {
      brw_clip_kill_thread(c);
      return;
   }

   merge_edgeflags(c);

   /* Need to use the inlist indirection here:
    */
   if (c->need_direction)
      compute_tri_direction(c);

   if (c->key.fill_ccw == CLIP_CULL ||
       c->key.fill_cw == CLIP_CULL)
      cull_direction(c);

   if (c->key.offset_ccw ||
       c->key.offset_cw)
      compute_offset(c);

   if (c->key.copy_bfc_ccw ||
       c->key.copy_bfc_cw)
      copy_bfc(c);

   /* Need to do this whether we clip or not:
    */
   if (c->has_flat_shading)
      brw_clip_tri_flat_shade(c);

   brw_clip_init_clipmask(c);
   brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, c->reg.planemask, brw_imm_ud(0));
   brw_IF(p, BRW_EXECUTE_1);
   {
      brw_clip_init_planes(c);
      brw_clip_tri(c);
      check_nr_verts(c);
   }
   brw_ENDIF(p);

   emit_unfilled_primitives(c);
   brw_clip_kill_thread(c);
}
开发者ID:Thermionix，项目名称:Mesa-3D，代码行数:60，代码来源:brw_clip_unfilled.c


示例7: brw_clip_tri_flat_shade

void brw_clip_tri_flat_shade( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;
   struct brw_instruction *is_poly;
   struct brw_reg tmp0 = c->reg.loopcount; /* handy temporary */

   brw_AND(p, tmp0, get_element_ud(c->reg.R0, 2), brw_imm_ud(PRIM_MASK)); 
   brw_CMP(p, 
	   vec1(brw_null_reg()), 
	   BRW_CONDITIONAL_EQ, 
	   tmp0,
	   brw_imm_ud(_3DPRIM_POLYGON));

   is_poly = brw_IF(p, BRW_EXECUTE_1);
   {   
      brw_clip_copy_colors(c, 1, 0);
      brw_clip_copy_colors(c, 2, 0);
   }
   is_poly = brw_ELSE(p, is_poly);
   {
      brw_clip_copy_colors(c, 0, 2);
      brw_clip_copy_colors(c, 1, 2);
   }
   brw_ENDIF(p, is_poly);
}
开发者ID:1065672644894730302，项目名称:Chromium，代码行数:25，代码来源:brw_clip_tri.c


示例8: brw_clip_tri_flat_shade

void brw_clip_tri_flat_shade( struct brw_clip_compile *c )
{
   struct brw_codegen *p = &c->func;
   struct brw_reg tmp0 = c->reg.loopcount; /* handy temporary */

   brw_AND(p, tmp0, get_element_ud(c->reg.R0, 2), brw_imm_ud(PRIM_MASK));
   brw_CMP(p,
	   vec1(brw_null_reg()),
	   BRW_CONDITIONAL_EQ,
	   tmp0,
	   brw_imm_ud(_3DPRIM_POLYGON));

   brw_IF(p, BRW_EXECUTE_1);
   {
      brw_clip_copy_flatshaded_attributes(c, 1, 0);
      brw_clip_copy_flatshaded_attributes(c, 2, 0);
   }
   brw_ELSE(p);
   {
      if (c->key.pv_first) {
	 brw_CMP(p,
		 vec1(brw_null_reg()),
		 BRW_CONDITIONAL_EQ,
		 tmp0,
		 brw_imm_ud(_3DPRIM_TRIFAN));
	 brw_IF(p, BRW_EXECUTE_1);
	 {
	    brw_clip_copy_flatshaded_attributes(c, 0, 1);
	    brw_clip_copy_flatshaded_attributes(c, 2, 1);
	 }
	 brw_ELSE(p);
	 {
	    brw_clip_copy_flatshaded_attributes(c, 1, 0);
	    brw_clip_copy_flatshaded_attributes(c, 2, 0);
	 }
	 brw_ENDIF(p);
      }
      else {
         brw_clip_copy_flatshaded_attributes(c, 0, 2);
         brw_clip_copy_flatshaded_attributes(c, 1, 2);
      }
   }
   brw_ENDIF(p);
}
开发者ID:etnaviv，项目名称:mesa，代码行数:44，代码来源:brw_clip_tri.c


示例9: copy_bfc

static void copy_bfc( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;
   GLuint conditional;

   /* Do we have any colors to copy?
    */
   if (!(brw_clip_have_varying(c, VARYING_SLOT_COL0) &&
         brw_clip_have_varying(c, VARYING_SLOT_BFC0)) &&
       !(brw_clip_have_varying(c, VARYING_SLOT_COL1) &&
         brw_clip_have_varying(c, VARYING_SLOT_BFC1)))
      return;

   /* In some wierd degnerate cases we can end up testing the
    * direction twice, once for culling and once for bfc copying.  Oh
    * well, that's what you get for setting wierd GL state.
    */
   if (c->key.copy_bfc_ccw)
      conditional = BRW_CONDITIONAL_GE;
   else
      conditional = BRW_CONDITIONAL_L;

   brw_CMP(p,
	   vec1(brw_null_reg()),
	   conditional,
	   get_element(c->reg.dir, 2),
	   brw_imm_f(0));

   brw_IF(p, BRW_EXECUTE_1);
   {
      GLuint i;

      for (i = 0; i < 3; i++) {
	 if (brw_clip_have_varying(c, VARYING_SLOT_COL0) &&
             brw_clip_have_varying(c, VARYING_SLOT_BFC0))
	    brw_MOV(p,
		    byte_offset(c->reg.vertex[i],
                                brw_varying_to_offset(&c->vue_map,
                                                      VARYING_SLOT_COL0)),
		    byte_offset(c->reg.vertex[i],
                                brw_varying_to_offset(&c->vue_map,
                                                      VARYING_SLOT_BFC0)));

	 if (brw_clip_have_varying(c, VARYING_SLOT_COL1) &&
             brw_clip_have_varying(c, VARYING_SLOT_BFC1))
	    brw_MOV(p,
		    byte_offset(c->reg.vertex[i],
                                brw_varying_to_offset(&c->vue_map,
                                                      VARYING_SLOT_COL1)),
		    byte_offset(c->reg.vertex[i],
                                brw_varying_to_offset(&c->vue_map,
                                                      VARYING_SLOT_BFC1)));
      }
   }
   brw_ENDIF(p);
}
开发者ID:Thermionix，项目名称:Mesa-3D，代码行数:56，代码来源:brw_clip_unfilled.c


示例10: check_nr_verts

static void check_nr_verts( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;

   brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.nr_verts, brw_imm_d(3));
   brw_IF(p, BRW_EXECUTE_1);
   {
      brw_clip_kill_thread(c);
   }
   brw_ENDIF(p);
}
开发者ID:Thermionix，项目名称:Mesa-3D，代码行数:11，代码来源:brw_clip_unfilled.c


示例11: maybe_do_clip_tri

static void maybe_do_clip_tri( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;

   brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, c->reg.planemask, brw_imm_ud(0));
   brw_IF(p, BRW_EXECUTE_1);
   {
      do_clip_tri(c);
   }
   brw_ENDIF(p);
}
开发者ID:CSRedRat，项目名称:mesa，代码行数:11，代码来源:brw_clip_tri.c


示例12: brw_clip_tri_emit_polygon

void brw_clip_tri_emit_polygon(struct brw_clip_compile *c)
{
   struct brw_codegen *p = &c->func;

   /* for (loopcount = nr_verts-2; loopcount > 0; loopcount--)
    */
   brw_ADD(p,
	   c->reg.loopcount,
	   c->reg.nr_verts,
	   brw_imm_d(-2));
   brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_G);

   brw_IF(p, BRW_EXECUTE_1);
   {
      struct brw_indirect v0 = brw_indirect(0, 0);
      struct brw_indirect vptr = brw_indirect(1, 0);

      brw_MOV(p, get_addr_reg(vptr), brw_address(c->reg.inlist));
      brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

      brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE,
                        ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)
                         | URB_WRITE_PRIM_START));

      brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2));
      brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

      brw_DO(p, BRW_EXECUTE_1);
      {
	 brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE,
                           (_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT));

	 brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2));
	 brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

	 brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
         brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ);
      }
      brw_WHILE(p);
      brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL);

      brw_clip_emit_vue(c, v0, BRW_URB_WRITE_EOT_COMPLETE,
                        ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)
                         | URB_WRITE_PRIM_END));
   }
   brw_ENDIF(p);
}
开发者ID:etnaviv，项目名称:mesa，代码行数:47，代码来源:brw_clip_tri.c


示例13: brw_clip_tri_emit_polygon

void brw_clip_tri_emit_polygon(struct brw_clip_compile *c)
{
   struct brw_compile *p = &c->func;

   /* for (loopcount = nr_verts-2; loopcount > 0; loopcount--)
    */
   brw_set_conditionalmod(p, BRW_CONDITIONAL_G);
   brw_ADD(p,
	   c->reg.loopcount,
	   c->reg.nr_verts,
	   brw_imm_d(-2));

   brw_IF(p, BRW_EXECUTE_1);
   {
      struct brw_indirect v0 = brw_indirect(0, 0);
      struct brw_indirect vptr = brw_indirect(1, 0);

      brw_MOV(p, get_addr_reg(vptr), brw_address(c->reg.inlist));
      brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

      brw_clip_emit_vue(c, v0, 1, 0,
                        ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)
                         | URB_WRITE_PRIM_START));
      
      brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2));
      brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

      brw_DO(p, BRW_EXECUTE_1);
      {
	 brw_clip_emit_vue(c, v0, 1, 0,
                           (_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT));
  
	 brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2));
	 brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

	 brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
	 brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
      }
      brw_WHILE(p);

      brw_clip_emit_vue(c, v0, 0, 1,
                        ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)
                         | URB_WRITE_PRIM_END));
   }
   brw_ENDIF(p);
}
开发者ID:CSRedRat，项目名称:mesa，代码行数:46，代码来源:brw_clip_tri.c


示例14: copy_bfc

static void copy_bfc( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;
   struct brw_instruction *ccw;
   GLuint conditional;

   /* Do we have any colors to copy? 
    */
   if (!(c->offset[VERT_RESULT_COL0] && c->offset[VERT_RESULT_BFC0]) &&
       !(c->offset[VERT_RESULT_COL1] && c->offset[VERT_RESULT_BFC1]))
      return;

   /* In some wierd degnerate cases we can end up testing the
    * direction twice, once for culling and once for bfc copying.  Oh
    * well, that's what you get for setting wierd GL state.
    */
   if (c->key.copy_bfc_ccw)
      conditional = BRW_CONDITIONAL_GE;
   else
      conditional = BRW_CONDITIONAL_L;

   brw_CMP(p,
	   vec1(brw_null_reg()),
	   conditional,
	   get_element(c->reg.dir, 2),
	   brw_imm_f(0));
   
   ccw = brw_IF(p, BRW_EXECUTE_1);
   {
      GLuint i;

      for (i = 0; i < 3; i++) {
	 if (c->offset[VERT_RESULT_COL0] && c->offset[VERT_RESULT_BFC0])
	    brw_MOV(p, 
		    byte_offset(c->reg.vertex[i], c->offset[VERT_RESULT_COL0]),
		    byte_offset(c->reg.vertex[i], c->offset[VERT_RESULT_BFC0]));

	 if (c->offset[VERT_RESULT_COL1] && c->offset[VERT_RESULT_BFC1])
	    brw_MOV(p, 
		    byte_offset(c->reg.vertex[i], c->offset[VERT_RESULT_COL1]),
		    byte_offset(c->reg.vertex[i], c->offset[VERT_RESULT_BFC1]));
      }
   }
   brw_ENDIF(p, ccw);
}
开发者ID:CPFDSoftware-Tony，项目名称:gmv，代码行数:45，代码来源:brw_clip_unfilled.c


示例15: emit_points

static void emit_points(struct brw_clip_compile *c,
			bool do_offset )
{
   struct brw_compile *p = &c->func;
   const struct brw_context *brw = p->brw;

   struct brw_indirect v0 = brw_indirect(0, 0);
   struct brw_indirect v0ptr = brw_indirect(2, 0);

   brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
   brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));

   brw_DO(p, BRW_EXECUTE_1);
   {
      brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
      brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));

      /* draw if edgeflag != 0
       */
      brw_CMP(p,
	      vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
	      deref_1f(v0, brw_varying_to_offset(&c->vue_map,
                                                 VARYING_SLOT_EDGE)),
	      brw_imm_f(0));
      brw_IF(p, BRW_EXECUTE_1);
      {
	 if (do_offset)
	    apply_one_offset(c, v0);

	 brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE,
                           (_3DPRIM_POINTLIST << URB_WRITE_PRIM_TYPE_SHIFT)
                           | URB_WRITE_PRIM_START | URB_WRITE_PRIM_END);
      }
      brw_ENDIF(p);

      brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
   }
   brw_WHILE(p);
   brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
}
开发者ID:Thermionix，项目名称:Mesa-3D，代码行数:41，代码来源:brw_clip_unfilled.c


示例16: brw_emit_tri_clip

void brw_emit_tri_clip( struct brw_clip_compile *c )
{
   struct brw_instruction *neg_rhw;
   struct brw_compile *p = &c->func;
   brw_clip_tri_alloc_regs(c, 3 + c->key.nr_userclip + 6);
   brw_clip_tri_init_vertices(c);
   brw_clip_init_clipmask(c);
   brw_clip_init_ff_sync(c);

   /* if -ve rhw workaround bit is set, 
      do cliptest */
   if (c->chipset.is_965) {
      brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
      brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2), 
              brw_imm_ud(1<<20));
      neg_rhw = brw_IF(p, BRW_EXECUTE_1); 
      {
         brw_clip_test(c);
      }
      brw_ENDIF(p, neg_rhw);
   }
   /* Can't push into do_clip_tri because with polygon (or quad)
    * flatshading, need to apply the flatshade here because we don't
    * respect the PV when converting to trifan for emit:
    */
   if (c->key.do_flat_shading) 
      brw_clip_tri_flat_shade(c); 
      
   if ((c->key.clip_mode == BRW_CLIPMODE_NORMAL) ||
       (c->key.clip_mode == BRW_CLIPMODE_KERNEL_CLIP))
      do_clip_tri(c);
   else 
      maybe_do_clip_tri(c);

   brw_clip_tri_emit_polygon(c);

   /* Send an empty message to kill the thread:
    */
   brw_clip_kill_thread(c);
}
开发者ID:1065672644894730302，项目名称:Chromium，代码行数:40，代码来源:brw_clip_tri.c


示例17: do_twoside_color

static void do_twoside_color( struct brw_sf_compile *c )
{
    struct brw_compile *p = &c->func;
    GLuint backface_conditional = c->key.frontface_ccw ? BRW_CONDITIONAL_G : BRW_CONDITIONAL_L;

    /* Already done in clip program:
     */
    if (c->key.primitive == SF_UNFILLED_TRIS)
        return;

    /* XXX: What happens if BFC isn't present?  This could only happen
     * for user-supplied vertex programs, as t_vp_build.c always does
     * the right thing.
     */
    if (!(have_attr(c, VERT_RESULT_COL0) && have_attr(c, VERT_RESULT_BFC0)) &&
            !(have_attr(c, VERT_RESULT_COL1) && have_attr(c, VERT_RESULT_BFC1)))
        return;

    /* Need to use BRW_EXECUTE_4 and also do an 4-wide compare in order
     * to get all channels active inside the IF.  In the clipping code
     * we run with NoMask, so it's not an option and we can use
     * BRW_EXECUTE_1 for all comparisions.
     */
    brw_push_insn_state(p);
    brw_CMP(p, vec4(brw_null_reg()), backface_conditional, c->det, brw_imm_f(0));
    brw_IF(p, BRW_EXECUTE_4);
    {
        switch (c->nr_verts) {
        case 3:
            copy_bfc(c, c->vert[2]);
        case 2:
            copy_bfc(c, c->vert[1]);
        case 1:
            copy_bfc(c, c->vert[0]);
        }
    }
    brw_ENDIF(p);
    brw_pop_insn_state(p);
}
开发者ID:nikai3d，项目名称:mesa，代码行数:39，代码来源:brw_sf_emit.c


示例18: emit_points

static void emit_points(struct brw_clip_compile *c,
			bool do_offset )
{
   struct brw_compile *p = &c->func;

   struct brw_indirect v0 = brw_indirect(0, 0);
   struct brw_indirect v0ptr = brw_indirect(2, 0);

   brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
   brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));

   brw_DO(p, BRW_EXECUTE_1);
   {
      brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
      brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));

      /* draw if edgeflag != 0 
       */
      brw_CMP(p, 
	      vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, 
	      deref_1f(v0, brw_vert_result_to_offset(&c->vue_map,
                                                     VARYING_SLOT_EDGE)),
	      brw_imm_f(0));
      brw_IF(p, BRW_EXECUTE_1);
      {
	 if (do_offset)
	    apply_one_offset(c, v0);

	 brw_clip_emit_vue(c, v0, 1, 0,
                           (_3DPRIM_POINTLIST << URB_WRITE_PRIM_TYPE_SHIFT)
                           | URB_WRITE_PRIM_START | URB_WRITE_PRIM_END);
      }
      brw_ENDIF(p);

      brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
      brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
   }
   brw_WHILE(p);
}
开发者ID:soreau，项目名称:mesa，代码行数:39，代码来源:brw_clip_unfilled.c


示例19: brw_clip_ff_sync

void brw_clip_ff_sync(struct brw_clip_compile *c)
{
    struct brw_codegen *p = &c->func;

    if (p->devinfo->gen == 5) {
        brw_AND(p, brw_null_reg(), c->reg.ff_sync, brw_imm_ud(0x1));
        brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_Z);
        brw_IF(p, BRW_EXECUTE_1);
        {
            brw_OR(p, c->reg.ff_sync, c->reg.ff_sync, brw_imm_ud(0x1));
            brw_ff_sync(p,
			c->reg.R0,
			0,
			c->reg.R0,
			1, /* allocate */
			1, /* response length */
			0 /* eot */);
        }
        brw_ENDIF(p);
        brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
    }
}
开发者ID:threader，项目名称:mesa-11.1.1-ppc-r300-debian，代码行数:22，代码来源:brw_clip_util.c


示例20: emit_points

static void emit_points(struct brw_clip_compile *c,
			GLboolean do_offset )
{
   struct brw_compile *p = &c->func;
   struct brw_instruction *loop;
   struct brw_instruction *draw_point;

   struct brw_indirect v0 = brw_indirect(0, 0);
   struct brw_indirect v0ptr = brw_indirect(2, 0);

   brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
   brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));

   loop = brw_DO(p, BRW_EXECUTE_1);
   {
      brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
      brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));

      /* draw if edgeflag != 0 
       */
      brw_CMP(p, 
	      vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, 
	      deref_1f(v0, c->offset[VERT_RESULT_EDGE]),
	      brw_imm_f(0));
      draw_point = brw_IF(p, BRW_EXECUTE_1);
      {
	 if (do_offset)
	    apply_one_offset(c, v0);

	 brw_clip_emit_vue(c, v0, 1, 0, (_3DPRIM_POINTLIST << 2) | R02_PRIM_START | R02_PRIM_END);
      }
      brw_ENDIF(p, draw_point);

      brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
      brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
   }
   brw_WHILE(p, loop);
}
开发者ID:CPFDSoftware-Tony，项目名称:gmv，代码行数:38，代码来源:brw_clip_unfilled.c



注：本文中的brw_ENDIF函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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