brw_wm.c File Reference

Include dependency graph for brw_wm.c:

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Functions
static void	do_wm_prog (struct brw_context *brw, struct brw_fragment_program *fp, struct brw_wm_prog_key *key)
static void	brw_wm_populate_key (struct brw_context *brw, struct brw_wm_prog_key *key)
static void	brw_upload_wm_prog (struct brw_context *brw)
Variables
struct brw_tracked_state	brw_wm_prog

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Function Documentation

static void brw_upload_wm_prog

(

struct brw_context *

brw

)

[static]

Definition at line 181 of file brw_wm.c.

References brw_context::attribs, brw_search_cache(), brw_wm_populate_key(), BRW_WM_PROG, brw_context::cache, do_wm_prog(), brw_context::FragmentProgram, brw_context::prog_data, brw_context::prog_gs_offset, and brw_context::wm.

{
   struct brw_wm_prog_key key;
   struct brw_fragment_program *fp = (struct brw_fragment_program *)
      brw->attribs.FragmentProgram;

   brw_wm_populate_key(brw, &key);

   /* Make an early check for the key.
    */
   if (brw_search_cache(&brw->cache[BRW_WM_PROG],
                        &key, sizeof(key),
                        &brw->wm.prog_data,
                        &brw->wm.prog_gs_offset))
      return;

   do_wm_prog(brw, fp, &key);
}

static void brw_wm_populate_key	(	struct brw_context *	brw,
		struct brw_wm_prog_key *	key
	)			[static]

Definition at line 83 of file brw_wm.c.

References AA_ALWAYS, AA_NEVER, AA_SOMETIMES, pipe_depth_stencil_alpha_state::alpha, brw_context::attribs, BRW_MAX_TEX_UNIT, brw_wm_lookup_iz(), pipe_sampler_state::compare_mode, pipe_rasterizer_state::cull_mode, pipe_depth_stencil_alpha_state::depth, brw_context::DepthStencil, pipe_stencil_state::enabled, pipe_depth_state::enabled, pipe_alpha_state::enabled, pipe_rasterizer_state::fill_ccw, pipe_rasterizer_state::fill_cw, brw_context::FragmentProgram, brw_fragment_program::id, brw_fragment_program::info, IZ_DEPTH_TEST_ENABLE_BIT, IZ_DEPTH_WRITE_ENABLE_BIT, IZ_EARLY_DEPTH_TEST_BIT, IZ_PS_COMPUTES_DEPTH_BIT, IZ_PS_KILL_ALPHATEST_BIT, IZ_STENCIL_TEST_ENABLE_BIT, IZ_STENCIL_WRITE_ENABLE_BIT, pipe_rasterizer_state::line_smooth, PIPE_POLYGON_MODE_LINE, PIPE_PRIM_LINES, PIPE_PRIM_TRIANGLES, PIPE_TEX_COMPARE_R_TO_TEXTURE, PIPE_WINDING_CCW, PIPE_WINDING_CW, brw_wm_prog_key::program_string_id, brw_context::Raster, brw_context::reduced_primitive, brw_context::Samplers, brw_wm_prog_key::shadowtex_mask, pipe_depth_stencil_alpha_state::stencil, tgsi_shader_info::uses_kill, pipe_stencil_state::write_mask, pipe_depth_state::writemask, tgsi_shader_info::writes_z, and brw_wm_prog_key::yuvtex_mask.

{
   /* BRW_NEW_FRAGMENT_PROGRAM */
   struct brw_fragment_program *fp =
      (struct brw_fragment_program *)brw->attribs.FragmentProgram;
   unsigned lookup = 0;
   unsigned line_aa;
   
   memset(key, 0, sizeof(*key));

   /* Build the index for table lookup
    */
   /* BRW_NEW_DEPTH_STENCIL */
   if (fp->info.uses_kill ||
       brw->attribs.DepthStencil->alpha.enabled)
      lookup |= IZ_PS_KILL_ALPHATEST_BIT;

   if (fp->info.writes_z)
      lookup |= IZ_PS_COMPUTES_DEPTH_BIT;

   if (brw->attribs.DepthStencil->depth.enabled)
      lookup |= IZ_DEPTH_TEST_ENABLE_BIT;

   if (brw->attribs.DepthStencil->depth.enabled &&
       brw->attribs.DepthStencil->depth.writemask) /* ?? */
      lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;

   if (brw->attribs.DepthStencil->stencil[0].enabled) {
      lookup |= IZ_STENCIL_TEST_ENABLE_BIT;

      if (brw->attribs.DepthStencil->stencil[0].write_mask ||
          brw->attribs.DepthStencil->stencil[1].write_mask)
         lookup |= IZ_STENCIL_WRITE_ENABLE_BIT;
   }

   /* XXX: when should this be disabled?
    */
   if (1)
      lookup |= IZ_EARLY_DEPTH_TEST_BIT;


   line_aa = AA_NEVER;

   /* _NEW_LINE, _NEW_POLYGON, BRW_NEW_REDUCED_PRIMITIVE */
   if (brw->attribs.Raster->line_smooth) {
      if (brw->reduced_primitive == PIPE_PRIM_LINES) {
         line_aa = AA_ALWAYS;
      }
      else if (brw->reduced_primitive == PIPE_PRIM_TRIANGLES) {
         if (brw->attribs.Raster->fill_ccw == PIPE_POLYGON_MODE_LINE) {
            line_aa = AA_SOMETIMES;

            if (brw->attribs.Raster->fill_cw == PIPE_POLYGON_MODE_LINE ||
                (brw->attribs.Raster->cull_mode == PIPE_WINDING_CW))
               line_aa = AA_ALWAYS;
         }
         else if (brw->attribs.Raster->fill_cw == PIPE_POLYGON_MODE_LINE) {
            line_aa = AA_SOMETIMES;

            if (brw->attribs.Raster->cull_mode == PIPE_WINDING_CCW)
               line_aa = AA_ALWAYS;
         }
      }
   }

   brw_wm_lookup_iz(line_aa,
                    lookup,
                    key);


#if 0
   /* BRW_NEW_SAMPLER 
    *
    * Not doing any of this at the moment:
    */
   for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
      const struct pipe_sampler_state *unit = brw->attribs.Samplers[i];

      if (unit) {

         if (unit->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
            key->shadowtex_mask |= 1<<i;
         }
         if (t->Image[0][t->BaseLevel]->InternalFormat == GL_YCBCR_MESA)
            key->yuvtex_mask |= 1<<i;
      }
   }
#endif


   /* Extra info:
    */
   key->program_string_id = fp->id;

}

static void do_wm_prog	(	struct brw_context *	brw,
		struct brw_fragment_program *	fp,
		struct brw_wm_prog_key *	key
	)			[static]

Definition at line 42 of file brw_wm.c.

References brw_get_program(), brw_null_reg(), brw_upload_cache(), brw_wm_glsl_emit(), BRW_WM_PROG, brw_context::cache, CALLOC_STRUCT, debug_printf(), brw_wm_compile::delta_xy, brw_wm_compile::fp, FREE, brw_wm_compile::func, brw_wm_compile::key, brw_wm_compile::pixel_w, brw_wm_compile::pixel_xy, brw_context::prog_data, brw_wm_compile::prog_data, brw_context::prog_gs_offset, and brw_context::wm.

{
   struct brw_wm_compile *c = CALLOC_STRUCT(brw_wm_compile);
   const unsigned *program;
   unsigned program_size;

   c->key = *key;
   c->fp = fp;
   
   c->delta_xy[0] = brw_null_reg();
   c->delta_xy[1] = brw_null_reg();
   c->pixel_xy[0] = brw_null_reg();
   c->pixel_xy[1] = brw_null_reg();
   c->pixel_w = brw_null_reg();


   debug_printf("XXXXXXXX FP\n");
   
   brw_wm_glsl_emit(c);

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

   /*
    */
   brw->wm.prog_gs_offset = brw_upload_cache( &brw->cache[BRW_WM_PROG],
                                              &c->key,
                                              sizeof(c->key),
                                              program,
                                              program_size,
                                              &c->prog_data,
                                              &brw->wm.prog_data );

   FREE(c);
}

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Variable Documentation

struct brw_tracked_state brw_wm_prog

Initial value:

 {
   .dirty = {
      .brw   = ( 0x4  |
                 0x80000 ),
      .cache = 0
   },
   .update = brw_upload_wm_prog
}

Definition at line 201 of file brw_wm.c.

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