コード例 #1
0
ファイル: brw_program.c プロジェクト: ndesh26/Mesa
static GLboolean
brwProgramStringNotify(struct gl_context *ctx,
		       GLenum target,
		       struct gl_program *prog)
{
   assert(target == GL_VERTEX_PROGRAM_ARB || !prog->arb.IsPositionInvariant);

   struct brw_context *brw = brw_context(ctx);
   const struct brw_compiler *compiler = brw->screen->compiler;

   switch (target) {
   case GL_FRAGMENT_PROGRAM_ARB: {
      struct brw_program *newFP = brw_program(prog);
      const struct brw_program *curFP =
         brw_program_const(brw->fragment_program);

      if (newFP == curFP)
	 brw->ctx.NewDriverState |= BRW_NEW_FRAGMENT_PROGRAM;
      newFP->id = get_new_program_id(brw->screen);

      prog->nir = brw_create_nir(brw, NULL, prog, MESA_SHADER_FRAGMENT, true);

      brw_fs_precompile(ctx, prog);
      break;
   }
   case GL_VERTEX_PROGRAM_ARB: {
      struct brw_program *newVP = brw_program(prog);
      const struct brw_program *curVP =
         brw_program_const(brw->vertex_program);

      if (newVP == curVP)
	 brw->ctx.NewDriverState |= BRW_NEW_VERTEX_PROGRAM;
      if (newVP->program.arb.IsPositionInvariant) {
	 _mesa_insert_mvp_code(ctx, &newVP->program);
      }
      newVP->id = get_new_program_id(brw->screen);

      /* Also tell tnl about it:
       */
      _tnl_program_string(ctx, target, prog);

      prog->nir = brw_create_nir(brw, NULL, prog, MESA_SHADER_VERTEX,
                                 compiler->scalar_stage[MESA_SHADER_VERTEX]);

      brw_vs_precompile(ctx, prog);
      break;
   }
   default:
      /*
       * driver->ProgramStringNotify is only called for ARB programs, fixed
       * function vertex programs, and ir_to_mesa (which isn't used by the
       * i965 back-end).  Therefore, even after geometry shaders are added,
       * this function should only ever be called with a target of
       * GL_VERTEX_PROGRAM_ARB or GL_FRAGMENT_PROGRAM_ARB.
       */
      unreachable("Unexpected target in brwProgramStringNotify");
   }

   return true;
}
コード例 #2
0
ファイル: brw_wm.c プロジェクト: ChristophHaag/mesa-mesa
bool
brw_fs_precompile(struct gl_context *ctx, struct gl_program *prog)
{
   struct brw_context *brw = brw_context(ctx);
   const struct gen_device_info *devinfo = &brw->screen->devinfo;
   struct brw_wm_prog_key key;

   struct brw_program *bfp = brw_program(prog);

   brw_wm_populate_default_key(&brw->screen->devinfo, &key, prog);

   /* check brw_wm_populate_default_key coherent_fb_fetch setting */
   assert(key.coherent_fb_fetch ==
          ctx->Extensions.EXT_shader_framebuffer_fetch);

   uint32_t old_prog_offset = brw->wm.base.prog_offset;
   struct brw_stage_prog_data *old_prog_data = brw->wm.base.prog_data;

   struct brw_vue_map vue_map;
   if (devinfo->gen < 6) {
      brw_compute_vue_map(&brw->screen->devinfo, &vue_map,
                          prog->info.inputs_read | VARYING_BIT_POS,
                          false);
   }

   bool success = brw_codegen_wm_prog(brw, bfp, &key, &vue_map);

   brw->wm.base.prog_offset = old_prog_offset;
   brw->wm.base.prog_data = old_prog_data;

   return success;
}
コード例 #3
0
ファイル: brw_cs.c プロジェクト: austriancoder/mesa
bool
brw_cs_precompile(struct gl_context *ctx,
                  struct gl_shader_program *shader_prog,
                  struct gl_program *prog)
{
   struct brw_context *brw = brw_context(ctx);
   struct brw_cs_prog_key key;

   struct brw_program *bcp = brw_program(prog);

   memset(&key, 0, sizeof(key));
   key.program_string_id = bcp->id;

   brw_setup_tex_for_precompile(brw, &key.tex, prog);

   uint32_t old_prog_offset = brw->cs.base.prog_offset;
   struct brw_stage_prog_data *old_prog_data = brw->cs.base.prog_data;

   bool success = brw_codegen_cs_prog(brw, shader_prog, bcp, &key);

   brw->cs.base.prog_offset = old_prog_offset;
   brw->cs.base.prog_data = old_prog_data;

   return success;
}
コード例 #4
0
ファイル: brw_tes.c プロジェクト: ChristophHaag/mesa-mesa
bool
brw_tes_precompile(struct gl_context *ctx,
                   struct gl_shader_program *shader_prog,
                   struct gl_program *prog)
{
   struct brw_context *brw = brw_context(ctx);
   struct brw_tes_prog_key key;
   uint32_t old_prog_offset = brw->tes.base.prog_offset;
   struct brw_stage_prog_data *old_prog_data = brw->tes.base.prog_data;
   bool success;

   struct brw_program *btep = brw_program(prog);

   brw_tes_populate_default_key(&brw->screen->devinfo, &key, shader_prog, prog);

   success = brw_codegen_tes_prog(brw, btep, &key);

   brw->tes.base.prog_offset = old_prog_offset;
   brw->tes.base.prog_data = old_prog_data;

   return success;
}
コード例 #5
0
ファイル: brw_wm.c プロジェクト: ChristophHaag/mesa-mesa
void
brw_wm_populate_default_key(const struct gen_device_info *devinfo,
                            struct brw_wm_prog_key *key,
                            struct gl_program *prog)
{
   memset(key, 0, sizeof(*key));

   uint64_t outputs_written = prog->info.outputs_written;

   if (devinfo->gen < 6) {
      if (prog->info.fs.uses_discard)
         key->iz_lookup |= BRW_WM_IZ_PS_KILL_ALPHATEST_BIT;

      if (outputs_written & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
         key->iz_lookup |= BRW_WM_IZ_PS_COMPUTES_DEPTH_BIT;

      /* Just assume depth testing. */
      key->iz_lookup |= BRW_WM_IZ_DEPTH_TEST_ENABLE_BIT;
      key->iz_lookup |= BRW_WM_IZ_DEPTH_WRITE_ENABLE_BIT;
   }

   if (devinfo->gen < 6 || util_bitcount64(prog->info.inputs_read &
                                             BRW_FS_VARYING_INPUT_MASK) > 16) {
      key->input_slots_valid = prog->info.inputs_read | VARYING_BIT_POS;
   }

   brw_setup_tex_for_precompile(devinfo, &key->tex, prog);

   key->nr_color_regions = util_bitcount64(outputs_written &
         ~(BITFIELD64_BIT(FRAG_RESULT_DEPTH) |
           BITFIELD64_BIT(FRAG_RESULT_STENCIL) |
           BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK)));

   key->program_string_id = brw_program(prog)->id;

   /* Whether reads from the framebuffer should behave coherently. */
   key->coherent_fb_fetch = devinfo->gen >= 9;
}
コード例 #6
0
ファイル: brw_tes.c プロジェクト: ChristophHaag/mesa-mesa
void
brw_tes_populate_default_key(const struct gen_device_info *devinfo,
                             struct brw_tes_prog_key *key,
                             struct gl_shader_program *sh_prog,
                             struct gl_program *prog)
{
   struct brw_program *btep = brw_program(prog);

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

   key->program_string_id = btep->id;
   key->inputs_read = prog->nir->info.inputs_read;
   key->patch_inputs_read = prog->nir->info.patch_inputs_read;

   if (sh_prog->_LinkedShaders[MESA_SHADER_TESS_CTRL]) {
      struct gl_program *tcp =
         sh_prog->_LinkedShaders[MESA_SHADER_TESS_CTRL]->Program;
      key->inputs_read |= tcp->nir->info.outputs_written &
         ~(VARYING_BIT_TESS_LEVEL_INNER | VARYING_BIT_TESS_LEVEL_OUTER);
      key->patch_inputs_read |= tcp->nir->info.patch_outputs_written;
   }

   brw_setup_tex_for_precompile(devinfo, &key->tex, prog);
}