brw_vs.c File Reference

Include dependency graph for brw_vs.c:

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Functions
static void	do_vs_prog (struct brw_context *brw, const struct brw_vertex_program *vp, struct brw_vs_prog_key *key)
static void	brw_upload_vs_prog (struct brw_context *brw)
Variables
struct brw_tracked_state	brw_vs_prog

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Function Documentation

static void brw_upload_vs_prog

(

struct brw_context *

brw

)

[static]

Definition at line 83 of file brw_vs.c.

References assert, brw_context::attribs, brw_search_cache(), BRW_VS_PROG, brw_context::cache, brw_context::Clip, brw_vs_prog_key::copy_edgeflag, do_vs_prog(), pipe_rasterizer_state::fill_ccw, pipe_rasterizer_state::fill_cw, brw_vertex_program::id, pipe_clip_state::nr, brw_vs_prog_key::nr_userclip, PIPE_POLYGON_MODE_FILL, brw_context::prog_data, brw_context::prog_gs_offset, brw_vs_prog_key::program_string_id, brw_context::Raster, brw_context::VertexProgram, and brw_context::vs.

{
   struct brw_vs_prog_key key;
   const struct brw_vertex_program *vp = brw->attribs.VertexProgram;

   assert(vp);

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

   /* Just upload the program verbatim for now.  Always send it all
    * the inputs it asks for, whether they are varying or not.
    */
   key.program_string_id = vp->id;
   key.nr_userclip = brw->attribs.Clip.nr;
   key.copy_edgeflag = (brw->attribs.Raster->fill_cw != PIPE_POLYGON_MODE_FILL ||
                        brw->attribs.Raster->fill_ccw != PIPE_POLYGON_MODE_FILL);

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

   do_vs_prog(brw, vp, &key);
}

static void do_vs_prog	(	struct brw_context *	brw,
		const struct brw_vertex_program *	vp,
		struct brw_vs_prog_key *	key
	)			[static]

Definition at line 39 of file brw_vs.c.

References brw_get_program(), brw_init_compile(), brw_upload_cache(), brw_vs_emit(), BRW_VS_PROG, brw_context::cache, brw_vs_prog_key::copy_edgeflag, brw_vs_compile::func, brw_vertex_program::info, brw_vs_prog_data::inputs_read, brw_vs_compile::key, tgsi_shader_info::num_inputs, tgsi_shader_info::num_outputs, brw_vs_prog_data::outputs_written, brw_context::prog_data, brw_vs_compile::prog_data, brw_context::prog_gs_offset, brw_vs_compile::vp, and brw_context::vs.

{
   unsigned program_size;
   const unsigned *program;
   struct brw_vs_compile c;

   memset(&c, 0, sizeof(c));
   memcpy(&c.key, key, sizeof(*key));

   brw_init_compile(&c.func);
   c.vp = vp;

   c.prog_data.outputs_written = vp->info.num_outputs;
   c.prog_data.inputs_read = vp->info.num_inputs;

#if 0
   if (c.key.copy_edgeflag) {
      c.prog_data.outputs_written |= 1<<VERT_RESULT_EDGE;
      c.prog_data.inputs_read |= 1<<VERT_ATTRIB_EDGEFLAG;
   }
#endif

   /* Emit GEN4 code.
    */
   brw_vs_emit(&c);

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

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

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Variable Documentation

struct brw_tracked_state brw_vs_prog

Initial value:

 {
   .dirty = {
      .brw   =  0x4000 ,
      .cache = 0
   },
   .update = brw_upload_vs_prog
}

Definition at line 114 of file brw_vs.c.

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