src/gallium/drivers/r600/r600_shader.h

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #ifndef R600_SHADER_H
  24 #define R600_SHADER_H
  25
  26 #include "r600_asm.h"
  27
  28 struct r600_shader_io {
  29         unsigned                name;
  30         unsigned                gpr;
  31         unsigned                done;
  32         int                     sid;
  33         int                     spi_sid;
  34         unsigned                interpolate;
  35         unsigned                ij_index;
  36         boolean                 centroid;
  37         unsigned                lds_pos; /* for evergreen */
  38         unsigned                back_color_input;
  39         unsigned                write_mask;
  40         int                             ring_offset;
  41 };
  42
  43 struct r600_shader {
  44         unsigned                processor_type;
  45         struct r600_bytecode            bc;
  46         unsigned                ninput;
  47         unsigned                noutput;
  48         unsigned                nlds;
  49         struct r600_shader_io   input[40];
  50         struct r600_shader_io   output[40];
  51         boolean                 uses_kill;
  52         boolean                 fs_write_all;
  53         boolean                 two_side;
  54         /* Number of color outputs in the TGSI shader,
  55          * sometimes it could be higher than nr_cbufs (bug?).
  56          * Also with writes_all property on eg+ it will be set to max CB number */
  57         unsigned                nr_ps_max_color_exports;
  58         /* Real number of ps color exports compiled in the bytecode */
  59         unsigned                nr_ps_color_exports;
  60         /* bit n is set if the shader writes gl_ClipDistance[n] */
  61         unsigned                clip_dist_write;
  62         /* flag is set if the shader writes VS_OUT_MISC_VEC (e.g. for PSIZE) */
  63         boolean                 vs_out_misc_write;
  64         boolean                 vs_out_point_size;
  65         boolean                 vs_out_layer;
  66         boolean                 has_txq_cube_array_z_comp;
  67         boolean                 uses_tex_buffers;
  68         boolean                 gs_prim_id_input;
  69
  70         /* geometry shader properties */
  71         unsigned                gs_input_prim;
  72         unsigned                gs_output_prim;
  73         unsigned                gs_max_out_vertices;
  74         /* size in bytes of a data item in the ring (single vertex data) */
  75         unsigned                ring_item_size;
  76
  77         unsigned                indirect_files;
  78         unsigned                max_arrays;
  79         unsigned                num_arrays;
  80         unsigned                vs_as_es;
  81         struct r600_shader_array * arrays;
  82 };
  83
  84 struct r600_shader_key {
  85         unsigned color_two_side:1;
  86         unsigned alpha_to_one:1;
  87         unsigned nr_cbufs:4;
  88         unsigned vs_as_es:1;
  89 };
  90
  91 struct r600_shader_array {
  92         unsigned gpr_start;
  93         unsigned gpr_count;
  94         unsigned comp_mask;
  95 };
  96
  97 struct r600_pipe_shader {
  98         struct r600_pipe_shader_selector *selector;
  99         struct r600_pipe_shader *next_variant;
 100         /* for GS - corresponding copy shader (installed as VS) */
 101         struct r600_pipe_shader *gs_copy_shader;
 102         struct r600_shader      shader;
 103         struct r600_command_buffer command_buffer; /* register writes */
 104         struct r600_resource    *bo;
 105         unsigned                sprite_coord_enable;
 106         unsigned                flatshade;
 107         unsigned                pa_cl_vs_out_cntl;
 108         unsigned                nr_ps_color_outputs;
 109         struct r600_shader_key  key;
 110         unsigned                db_shader_control;
 111         unsigned                ps_depth_export;
 112 };
 113
 114 #endif