src/gallium/drivers/radeonsi/si_state.h

   1 /*
   2  * Copyright 2012 Advanced Micro Devices, Inc.
   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  * Authors:
  24  *      Christian König <christian.koenig@amd.com>
  25  */
  26
  27 #ifndef SI_STATE_H
  28 #define SI_STATE_H
  29
  30 #include "radeonsi_pm4.h"
  31
  32 struct si_state_blend {
  33         struct si_pm4_state     pm4;
  34         uint32_t                cb_target_mask;
  35         uint32_t                cb_color_control;
  36 };
  37
  38 struct si_state_viewport {
  39         struct si_pm4_state             pm4;
  40         struct pipe_viewport_state      viewport;
  41 };
  42
  43 struct si_state_rasterizer {
  44         struct si_pm4_state     pm4;
  45         bool                    flatshade;
  46         unsigned                sprite_coord_enable;
  47         unsigned                pa_sc_line_stipple;
  48         unsigned                pa_su_sc_mode_cntl;
  49         unsigned                pa_cl_clip_cntl;
  50         unsigned                pa_cl_vs_out_cntl;
  51         float                   offset_units;
  52         float                   offset_scale;
  53 };
  54
  55 struct si_state_dsa {
  56         struct si_pm4_state     pm4;
  57         unsigned                alpha_ref;
  58         unsigned                db_render_override;
  59         unsigned                db_render_control;
  60         uint8_t                 valuemask[2];
  61         uint8_t                 writemask[2];
  62 };
  63
  64 struct si_vertex_element
  65 {
  66         unsigned                        count;
  67         uint32_t                        rsrc_word3[PIPE_MAX_ATTRIBS];
  68         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
  69 };
  70
  71 union si_state {
  72         struct {
  73                 struct si_pm4_state             *init;
  74                 struct si_state_blend           *blend;
  75                 struct si_pm4_state             *blend_color;
  76                 struct si_pm4_state             *clip;
  77                 struct si_pm4_state             *scissor;
  78                 struct si_state_viewport        *viewport;
  79                 struct si_pm4_state             *framebuffer;
  80                 struct si_state_rasterizer      *rasterizer;
  81                 struct si_state_dsa             *dsa;
  82                 struct si_pm4_state             *fb_rs;
  83                 struct si_pm4_state             *fb_blend;
  84                 struct si_pm4_state             *dsa_stencil_ref;
  85                 struct si_pm4_state             *vs;
  86                 struct si_pm4_state             *vs_const;
  87                 struct si_pm4_state             *ps;
  88                 struct si_pm4_state             *ps_sampler_views;
  89                 struct si_pm4_state             *ps_sampler;
  90                 struct si_pm4_state             *ps_const;
  91                 struct si_pm4_state             *spi;
  92                 struct si_pm4_state             *vertex_buffers;
  93                 struct si_pm4_state             *texture_barrier;
  94                 struct si_pm4_state             *draw_info;
  95         } named;
  96         struct si_pm4_state     *array[0];
  97 };
  98
  99 #define si_pm4_block_idx(member) \
 100         (offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *))
 101
 102 #define si_pm4_bind_state(rctx, member, value) \
 103         do { \
 104                 (rctx)->queued.named.member = (value); \
 105         } while(0);
 106
 107 #define si_pm4_delete_state(rctx, member, value) \
 108         do { \
 109                 if ((rctx)->queued.named.member == (value)) { \
 110                         (rctx)->queued.named.member = NULL; \
 111                 } \
 112                 si_pm4_free_state(rctx, (struct si_pm4_state *)(value), \
 113                                   si_pm4_block_idx(member)); \
 114         } while(0);
 115
 116 #define si_pm4_set_state(rctx, member, value) \
 117         do { \
 118                 if ((rctx)->queued.named.member != (value)) { \
 119                         si_pm4_free_state(rctx, \
 120                                 (struct si_pm4_state *)(rctx)->queued.named.member, \
 121                                 si_pm4_block_idx(member)); \
 122                         (rctx)->queued.named.member = (value); \
 123                 } \
 124         } while(0);
 125
 126 /* si_state.c */
 127 bool si_is_format_supported(struct pipe_screen *screen,
 128                             enum pipe_format format,
 129                             enum pipe_texture_target target,
 130                             unsigned sample_count,
 131                             unsigned usage);
 132 void si_init_state_functions(struct r600_context *rctx);
 133 void si_init_config(struct r600_context *rctx);
 134
 135 /* si_state_draw.c */
 136 void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo);
 137
 138 #endif