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         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
  68 };
  69
  70 struct si_shader_io {
  71         unsigned                name;
  72         unsigned                gpr;
  73         unsigned                done;
  74         int                     sid;
  75         unsigned                param_offset;
  76         unsigned                interpolate;
  77         bool                    centroid;
  78 };
  79
  80 struct si_shader {
  81         unsigned                ninput;
  82         unsigned                noutput;
  83         struct si_shader_io     input[32];
  84         struct si_shader_io     output[32];
  85         bool                    uses_kill;
  86         bool                    fs_write_all;
  87         unsigned                nr_cbufs;
  88 };
  89
  90 struct si_pipe_shader {
  91         struct si_shader                shader;
  92         struct si_pm4_state             *pm4;
  93         struct si_resource              *bo;
  94         struct si_vertex_element        vertex_elements;
  95         struct tgsi_token               *tokens;
  96         unsigned                        num_sgprs;
  97         unsigned                        num_vgprs;
  98         unsigned                        spi_ps_input_ena;
  99         unsigned                        sprite_coord_enable;
 100         struct pipe_stream_output_info  so;
 101         unsigned                        so_strides[4];
 102 };
 103
 104 union si_state {
 105         struct {
 106                 struct si_pm4_state             *init;
 107                 struct si_state_blend           *blend;
 108                 struct si_pm4_state             *blend_color;
 109                 struct si_pm4_state             *clip;
 110                 struct si_pm4_state             *scissor;
 111                 struct si_state_viewport        *viewport;
 112                 struct si_pm4_state             *framebuffer;
 113                 struct si_state_rasterizer      *rasterizer;
 114                 struct si_state_dsa             *dsa;
 115                 struct si_pm4_state             *fb_rs;
 116                 struct si_pm4_state             *fb_blend;
 117                 struct si_pm4_state             *dsa_stencil_ref;
 118                 struct si_pm4_state             *vs;
 119                 struct si_pm4_state             *vs_const;
 120                 struct si_pm4_state             *ps;
 121                 struct si_pm4_state             *ps_sampler_views;
 122                 struct si_pm4_state             *ps_sampler;
 123                 struct si_pm4_state             *ps_const;
 124                 struct si_pm4_state             *spi;
 125                 struct si_pm4_state             *vertex_buffers;
 126                 struct si_pm4_state             *texture_barrier;
 127                 struct si_pm4_state             *draw_info;
 128         } named;
 129         struct si_pm4_state     *array[0];
 130 };
 131
 132 #define si_pm4_block_idx(member) \
 133         (offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *))
 134
 135 #define si_pm4_bind_state(rctx, member, value) \
 136         do { \
 137                 (rctx)->queued.named.member = (value); \
 138         } while(0);
 139
 140 #define si_pm4_delete_state(rctx, member, value) \
 141         do { \
 142                 if ((rctx)->queued.named.member == (value)) { \
 143                         (rctx)->queued.named.member = NULL; \
 144                 } \
 145                 si_pm4_free_state(rctx, (struct si_pm4_state *)(value), \
 146                                   si_pm4_block_idx(member)); \
 147         } while(0);
 148
 149 #define si_pm4_set_state(rctx, member, value) \
 150         do { \
 151                 if ((rctx)->queued.named.member != (value)) { \
 152                         si_pm4_free_state(rctx, \
 153                                 (struct si_pm4_state *)(rctx)->queued.named.member, \
 154                                 si_pm4_block_idx(member)); \
 155                         (rctx)->queued.named.member = (value); \
 156                 } \
 157         } while(0);
 158
 159 /* si_state.c */
 160 uint32_t si_translate_vertexformat(struct pipe_screen *screen,
 161                                    enum pipe_format format,
 162                                    const struct util_format_description *desc,
 163                                    int first_non_void);
 164 bool si_is_format_supported(struct pipe_screen *screen,
 165                             enum pipe_format format,
 166                             enum pipe_texture_target target,
 167                             unsigned sample_count,
 168                             unsigned usage);
 169 void si_init_state_functions(struct r600_context *rctx);
 170 void si_init_config(struct r600_context *rctx);
 171
 172 /* si_state_draw.c */
 173 void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo);
 174
 175 #endif