Exemple #1
0
static void compile_clip_prog( struct brw_context *brw,
			     struct brw_clip_prog_key *key )
{
   struct brw_clip_compile c;
   const GLuint *program;
   void *mem_ctx;
   GLuint program_size;
   GLuint i;

   memset(&c, 0, sizeof(c));

   mem_ctx = ralloc_context(NULL);
   
   /* Begin the compilation:
    */
   brw_init_compile(brw, &c.func, mem_ctx);

   c.func.single_program_flow = 1;

   c.key = *key;
   c.vue_map = brw->vue_map_geom_out;

   c.has_flat_shading =
      brw_any_flat_varyings(&key->interpolation_mode);
   c.has_noperspective_shading =
      brw_any_noperspective_varyings(&key->interpolation_mode);

   /* nr_regs is the number of registers filled by reading data from the VUE.
    * This program accesses the entire VUE, so nr_regs needs to be the size of
    * the VUE (measured in pairs, since two slots are stored in each
    * register).
    */
   c.nr_regs = (c.vue_map.num_slots + 1)/2;

   c.prog_data.clip_mode = c.key.clip_mode; /* XXX */

   /* For some reason the thread is spawned with only 4 channels
    * unmasked.  
    */
   brw_set_mask_control(&c.func, BRW_MASK_DISABLE);


   /* Would ideally have the option of producing a program which could
    * do all three:
    */
   switch (key->primitive) {
   case GL_TRIANGLES: 
      if (key->do_unfilled)
	 brw_emit_unfilled_clip( &c );
      else
	 brw_emit_tri_clip( &c );
      break;
   case GL_LINES:
      brw_emit_line_clip( &c );
      break;
   case GL_POINTS:
      brw_emit_point_clip( &c );
      break;
   default:
      assert(0);
      return;
   }

	 

   /* get the program
    */
   program = brw_get_program(&c.func, &program_size);

   if (unlikely(INTEL_DEBUG & DEBUG_CLIP)) {
      printf("clip:\n");
      for (i = 0; i < program_size / sizeof(struct brw_instruction); i++)
	 brw_disasm(stdout, &((struct brw_instruction *)program)[i],
		    brw->gen);
      printf("\n");
   }

   brw_upload_cache(&brw->cache,
		    BRW_CLIP_PROG,
		    &c.key, sizeof(c.key),
		    program, program_size,
		    &c.prog_data, sizeof(c.prog_data),
		    &brw->clip.prog_offset, &brw->clip.prog_data);
   ralloc_free(mem_ctx);
}
Exemple #2
0
static void compile_clip_prog( struct brw_context *brw,
			     struct brw_clip_prog_key *key )
{
   struct brw_clip_compile c;
   const GLuint *program;
   void *mem_ctx;
   GLuint program_size;

   memset(&c, 0, sizeof(c));

   mem_ctx = ralloc_context(NULL);

   /* Begin the compilation:
    */
   brw_init_codegen(&brw->screen->devinfo, &c.func, mem_ctx);

   c.func.single_program_flow = 1;

   c.key = *key;
   c.vue_map = brw->vue_map_geom_out;

   /* nr_regs is the number of registers filled by reading data from the VUE.
    * This program accesses the entire VUE, so nr_regs needs to be the size of
    * the VUE (measured in pairs, since two slots are stored in each
    * register).
    */
   c.nr_regs = (c.vue_map.num_slots + 1)/2;

   c.prog_data.clip_mode = c.key.clip_mode; /* XXX */

   /* For some reason the thread is spawned with only 4 channels
    * unmasked.
    */
   brw_set_default_mask_control(&c.func, BRW_MASK_DISABLE);


   /* Would ideally have the option of producing a program which could
    * do all three:
    */
   switch (key->primitive) {
   case GL_TRIANGLES:
      if (key->do_unfilled)
	 brw_emit_unfilled_clip( &c );
      else
	 brw_emit_tri_clip( &c );
      break;
   case GL_LINES:
      brw_emit_line_clip( &c );
      break;
   case GL_POINTS:
      brw_emit_point_clip( &c );
      break;
   default:
      unreachable("not reached");
   }

   brw_compact_instructions(&c.func, 0, 0, NULL);

   /* get the program
    */
   program = brw_get_program(&c.func, &program_size);

   if (unlikely(INTEL_DEBUG & DEBUG_CLIP)) {
      fprintf(stderr, "clip:\n");
      brw_disassemble(&brw->screen->devinfo, c.func.store,
                      0, program_size, stderr);
      fprintf(stderr, "\n");
   }

   brw_upload_cache(&brw->cache,
		    BRW_CACHE_CLIP_PROG,
		    &c.key, sizeof(c.key),
		    program, program_size,
		    &c.prog_data, sizeof(c.prog_data),
		    &brw->clip.prog_offset, &brw->clip.prog_data);
   ralloc_free(mem_ctx);
}
Exemple #3
0
static void compile_clip_prog( struct brw_context *brw,
			     struct brw_clip_prog_key *key )
{
   struct intel_context *intel = &brw->intel;
   struct brw_clip_compile c;
   const GLuint *program;
   GLuint program_size;
   GLuint delta;
   GLuint i;
   GLuint header_regs;

   memset(&c, 0, sizeof(c));
   
   /* Begin the compilation:
    */
   brw_init_compile(brw, &c.func);

   c.func.single_program_flow = 1;

   c.key = *key;

   /* Need to locate the two positions present in vertex + header.
    * These are currently hardcoded:
    */
   c.header_position_offset = ATTR_SIZE;

   if (intel->gen == 5)
      header_regs = 3;
   else
      header_regs = 1;

   delta = header_regs * REG_SIZE;

   for (i = 0; i < VERT_RESULT_MAX; i++) {
      if (c.key.attrs & BITFIELD64_BIT(i)) {
	 c.offset[i] = delta;
	 delta += ATTR_SIZE;

	 c.idx_to_attr[c.nr_attrs] = i;
	 c.nr_attrs++;
      }
   }

   /* The vertex attributes start at a URB row-aligned offset after
    * the 8-20 dword vertex header, and continue for a URB row-aligned
    * length.  nr_regs determines the urb_read_length from the start
    * of the header to the end of the vertex data.
    */
   c.nr_regs = header_regs + (c.nr_attrs + 1) / 2;

   c.nr_bytes = c.nr_regs * REG_SIZE;

   c.prog_data.clip_mode = c.key.clip_mode; /* XXX */

   /* For some reason the thread is spawned with only 4 channels
    * unmasked.  
    */
   brw_set_mask_control(&c.func, BRW_MASK_DISABLE);


   /* Would ideally have the option of producing a program which could
    * do all three:
    */
   switch (key->primitive) {
   case GL_TRIANGLES: 
      if (key->do_unfilled)
	 brw_emit_unfilled_clip( &c );
      else
	 brw_emit_tri_clip( &c );
      break;
   case GL_LINES:
      brw_emit_line_clip( &c );
      break;
   case GL_POINTS:
      brw_emit_point_clip( &c );
      break;
   default:
      assert(0);
      return;
   }

	 

   /* get the program
    */
   program = brw_get_program(&c.func, &program_size);

    if (INTEL_DEBUG & DEBUG_CLIP) {
      printf("clip:\n");
      for (i = 0; i < program_size / sizeof(struct brw_instruction); i++)
	 brw_disasm(stdout, &((struct brw_instruction *)program)[i],
		    intel->gen);
      printf("\n");
    }

   /* Upload
    */
   drm_intel_bo_unreference(brw->clip.prog_bo);
   brw->clip.prog_bo = brw_upload_cache_with_auxdata(&brw->cache,
						     BRW_CLIP_PROG,
						     &c.key, sizeof(c.key),
						     NULL, 0,
						     program, program_size,
						     &c.prog_data,
						     sizeof(c.prog_data),
						     &brw->clip.prog_data);
}