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 "si_pm4.h"
  31 #include "radeon/r600_pipe_common.h"
  32
  33 #define SI_NUM_GRAPHICS_SHADERS (PIPE_SHADER_TESS_EVAL+1)
  34 #define SI_NUM_SHADERS (PIPE_SHADER_COMPUTE+1)
  35
  36 #define SI_MAX_ATTRIBS                  16
  37 #define SI_NUM_VERTEX_BUFFERS           SI_MAX_ATTRIBS
  38 #define SI_NUM_SAMPLERS                 24 /* OpenGL textures units per shader */
  39 #define SI_NUM_CONST_BUFFERS            16
  40 #define SI_NUM_IMAGES                   16
  41 #define SI_NUM_SHADER_BUFFERS           16
  42
  43 struct si_screen;
  44 struct si_shader;
  45
  46 struct si_state_blend {
  47         struct si_pm4_state     pm4;
  48         uint32_t                cb_target_mask;
  49         bool                    alpha_to_coverage;
  50         bool                    alpha_to_one;
  51         bool                    dual_src_blend;
  52         /* Set 0xf or 0x0 (4 bits) per render target if the following is
  53          * true. ANDed with spi_shader_col_format.
  54          */
  55         unsigned                blend_enable_4bit;
  56         unsigned                need_src_alpha_4bit;
  57 };
  58
  59 struct si_state_rasterizer {
  60         struct si_pm4_state     pm4;
  61         /* poly offset states for 16-bit, 24-bit, and 32-bit zbuffers */
  62         struct si_pm4_state     pm4_poly_offset[3];
  63         bool                    flatshade;
  64         bool                    two_side;
  65         bool                    multisample_enable;
  66         bool                    force_persample_interp;
  67         bool                    line_stipple_enable;
  68         unsigned                sprite_coord_enable;
  69         unsigned                pa_sc_line_stipple;
  70         unsigned                pa_cl_clip_cntl;
  71         unsigned                clip_plane_enable;
  72         bool                    poly_stipple_enable;
  73         bool                    line_smooth;
  74         bool                    poly_smooth;
  75         bool                    uses_poly_offset;
  76         bool                    clamp_fragment_color;
  77         bool                    rasterizer_discard;
  78         bool                    scissor_enable;
  79         bool                    clip_halfz;
  80 };
  81
  82 struct si_dsa_stencil_ref_part {
  83         uint8_t                 valuemask[2];
  84         uint8_t                 writemask[2];
  85 };
  86
  87 struct si_state_dsa {
  88         struct si_pm4_state             pm4;
  89         unsigned                        alpha_func;
  90         struct si_dsa_stencil_ref_part  stencil_ref;
  91 };
  92
  93 struct si_stencil_ref {
  94         struct r600_atom                atom;
  95         struct pipe_stencil_ref         state;
  96         struct si_dsa_stencil_ref_part  dsa_part;
  97 };
  98
  99 struct si_vertex_element
 100 {
 101         unsigned                        count;
 102         unsigned                        first_vb_use_mask;
 103
 104         /* Two bits per attribute indicating the size of each vector component
 105          * in bytes if the size 3-workaround must be applied.
 106          */
 107         uint32_t                        fix_size3;
 108         uint64_t                        fix_fetch;
 109
 110         uint32_t                        rsrc_word3[SI_MAX_ATTRIBS];
 111         uint32_t                        format_size[SI_MAX_ATTRIBS];
 112         struct pipe_vertex_element      elements[SI_MAX_ATTRIBS];
 113 };
 114
 115 union si_state {
 116         struct {
 117                 struct si_state_blend           *blend;
 118                 struct si_state_rasterizer      *rasterizer;
 119                 struct si_state_dsa             *dsa;
 120                 struct si_pm4_state             *poly_offset;
 121                 struct si_pm4_state             *ls;
 122                 struct si_pm4_state             *hs;
 123                 struct si_pm4_state             *es;
 124                 struct si_pm4_state             *gs;
 125                 struct si_pm4_state             *vgt_shader_config;
 126                 struct si_pm4_state             *vs;
 127                 struct si_pm4_state             *ps;
 128         } named;
 129         struct si_pm4_state     *array[0];
 130 };
 131
 132 #define SI_NUM_STATES (sizeof(union si_state) / sizeof(struct si_pm4_state *))
 133
 134 union si_state_atoms {
 135         struct {
 136                 /* The order matters. */
 137                 struct r600_atom *prefetch_L2;
 138                 struct r600_atom *render_cond;
 139                 struct r600_atom *streamout_begin;
 140                 struct r600_atom *streamout_enable; /* must be after streamout_begin */
 141                 struct r600_atom *framebuffer;
 142                 struct r600_atom *msaa_sample_locs;
 143                 struct r600_atom *db_render_state;
 144                 struct r600_atom *msaa_config;
 145                 struct r600_atom *sample_mask;
 146                 struct r600_atom *cb_render_state;
 147                 struct r600_atom *blend_color;
 148                 struct r600_atom *clip_regs;
 149                 struct r600_atom *clip_state;
 150                 struct r600_atom *shader_userdata;
 151                 struct r600_atom *scissors;
 152                 struct r600_atom *viewports;
 153                 struct r600_atom *stencil_ref;
 154                 struct r600_atom *spi_map;
 155         } s;
 156         struct r600_atom *array[0];
 157 };
 158
 159 #define SI_NUM_ATOMS (sizeof(union si_state_atoms)/sizeof(struct r600_atom*))
 160
 161 struct si_shader_data {
 162         struct r600_atom        atom;
 163         uint32_t                sh_base[SI_NUM_SHADERS];
 164 };
 165
 166 /* Private read-write buffer slots. */
 167 enum {
 168         SI_HS_RING_TESS_FACTOR,
 169         SI_HS_RING_TESS_OFFCHIP,
 170
 171         SI_ES_RING_ESGS,
 172         SI_GS_RING_ESGS,
 173
 174         SI_RING_GSVS,
 175
 176         SI_VS_STREAMOUT_BUF0,
 177         SI_VS_STREAMOUT_BUF1,
 178         SI_VS_STREAMOUT_BUF2,
 179         SI_VS_STREAMOUT_BUF3,
 180
 181         SI_HS_CONST_DEFAULT_TESS_LEVELS,
 182         SI_VS_CONST_CLIP_PLANES,
 183         SI_PS_CONST_POLY_STIPPLE,
 184         SI_PS_CONST_SAMPLE_POSITIONS,
 185
 186         SI_NUM_RW_BUFFERS,
 187 };
 188
 189 /* Indices into sctx->descriptors, laid out so that gfx and compute pipelines
 190  * are contiguous:
 191  *
 192  *  0 - rw buffers
 193  *  1 - vertex const buffers
 194  *  2 - vertex shader buffers
 195  *   ...
 196  *  5 - fragment const buffers
 197  *   ...
 198  *  21 - compute const buffers
 199  *   ...
 200  */
 201 #define SI_SHADER_DESCS_CONST_BUFFERS  0
 202 #define SI_SHADER_DESCS_SHADER_BUFFERS 1
 203 #define SI_SHADER_DESCS_SAMPLERS       2
 204 #define SI_SHADER_DESCS_IMAGES         3
 205 #define SI_NUM_SHADER_DESCS            4
 206
 207 #define SI_DESCS_RW_BUFFERS            0
 208 #define SI_DESCS_FIRST_SHADER          1
 209 #define SI_DESCS_FIRST_COMPUTE         (SI_DESCS_FIRST_SHADER + \
 210                                         PIPE_SHADER_COMPUTE * SI_NUM_SHADER_DESCS)
 211 #define SI_NUM_DESCS                   (SI_DESCS_FIRST_SHADER + \
 212                                         SI_NUM_SHADERS * SI_NUM_SHADER_DESCS)
 213
 214 /* This represents descriptors in memory, such as buffer resources,
 215  * image resources, and sampler states.
 216  */
 217 struct si_descriptors {
 218         /* The list of descriptors in malloc'd memory. */
 219         uint32_t *list;
 220         /* The list in mapped GPU memory. */
 221         uint32_t *gpu_list;
 222         /* The size of one descriptor. */
 223         unsigned element_dw_size;
 224         /* The maximum number of descriptors. */
 225         unsigned num_elements;
 226
 227         /* The buffer where the descriptors have been uploaded. */
 228         struct r600_resource *buffer;
 229         unsigned buffer_offset;
 230
 231         /* Offset in CE RAM */
 232         unsigned ce_offset;
 233
 234         /* elements of the list that are changed and need to be uploaded */
 235         unsigned dirty_mask;
 236
 237         /* Whether the CE ram is dirty and needs to be reinitialized entirely
 238          * before we can do partial updates. */
 239         bool ce_ram_dirty;
 240
 241         /* The shader userdata offset within a shader where the 64-bit pointer to the descriptor
 242          * array will be stored. */
 243         unsigned shader_userdata_offset;
 244 };
 245
 246 struct si_sampler_views {
 247         struct pipe_sampler_view        *views[SI_NUM_SAMPLERS];
 248         struct si_sampler_state         *sampler_states[SI_NUM_SAMPLERS];
 249
 250         /* The i-th bit is set if that element is enabled (non-NULL resource). */
 251         unsigned                        enabled_mask;
 252 };
 253
 254 struct si_buffer_resources {
 255         enum radeon_bo_usage            shader_usage; /* READ, WRITE, or READWRITE */
 256         enum radeon_bo_priority         priority;
 257         struct pipe_resource            **buffers; /* this has num_buffers elements */
 258
 259         /* The i-th bit is set if that element is enabled (non-NULL resource). */
 260         unsigned                        enabled_mask;
 261 };
 262
 263 #define si_pm4_block_idx(member) \
 264         (offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *))
 265
 266 #define si_pm4_state_changed(sctx, member) \
 267         ((sctx)->queued.named.member != (sctx)->emitted.named.member)
 268
 269 #define si_pm4_bind_state(sctx, member, value) \
 270         do { \
 271                 (sctx)->queued.named.member = (value); \
 272                 (sctx)->dirty_states |= 1 << si_pm4_block_idx(member); \
 273         } while(0)
 274
 275 #define si_pm4_delete_state(sctx, member, value) \
 276         do { \
 277                 if ((sctx)->queued.named.member == (value)) { \
 278                         (sctx)->queued.named.member = NULL; \
 279                 } \
 280                 si_pm4_free_state(sctx, (struct si_pm4_state *)(value), \
 281                                   si_pm4_block_idx(member)); \
 282         } while(0)
 283
 284 /* si_descriptors.c */
 285 void si_ce_reinitialize_all_descriptors(struct si_context *sctx);
 286 void si_ce_enable_loads(struct radeon_winsys_cs *ib);
 287 void si_set_mutable_tex_desc_fields(struct r600_texture *tex,
 288                                     const struct radeon_surf_level *base_level_info,
 289                                     unsigned base_level, unsigned first_level,
 290                                     unsigned block_width, bool is_stencil,
 291                                     uint32_t *state);
 292 void si_get_pipe_constant_buffer(struct si_context *sctx, uint shader,
 293                                  uint slot, struct pipe_constant_buffer *cbuf);
 294 void si_get_shader_buffers(struct si_context *sctx, uint shader,
 295                            uint start_slot, uint count,
 296                            struct pipe_shader_buffer *sbuf);
 297 void si_set_ring_buffer(struct pipe_context *ctx, uint slot,
 298                         struct pipe_resource *buffer,
 299                         unsigned stride, unsigned num_records,
 300                         bool add_tid, bool swizzle,
 301                         unsigned element_size, unsigned index_stride, uint64_t offset);
 302 void si_init_all_descriptors(struct si_context *sctx);
 303 bool si_upload_vertex_buffer_descriptors(struct si_context *sctx);
 304 bool si_upload_graphics_shader_descriptors(struct si_context *sctx);
 305 bool si_upload_compute_shader_descriptors(struct si_context *sctx);
 306 void si_release_all_descriptors(struct si_context *sctx);
 307 void si_all_descriptors_begin_new_cs(struct si_context *sctx);
 308 void si_upload_const_buffer(struct si_context *sctx, struct r600_resource **rbuffer,
 309                             const uint8_t *ptr, unsigned size, uint32_t *const_offset);
 310 void si_update_all_texture_descriptors(struct si_context *sctx);
 311 void si_shader_change_notify(struct si_context *sctx);
 312 void si_update_compressed_colortex_masks(struct si_context *sctx);
 313 void si_emit_graphics_shader_userdata(struct si_context *sctx,
 314                                       struct r600_atom *atom);
 315 void si_emit_compute_shader_userdata(struct si_context *sctx);
 316 void si_set_rw_buffer(struct si_context *sctx,
 317                       uint slot, const struct pipe_constant_buffer *input);
 318 /* si_state.c */
 319 struct si_shader_selector;
 320
 321 void si_init_atom(struct si_context *sctx, struct r600_atom *atom,
 322                   struct r600_atom **list_elem,
 323                   void (*emit_func)(struct si_context *ctx, struct r600_atom *state));
 324 void si_init_state_functions(struct si_context *sctx);
 325 void si_init_screen_state_functions(struct si_screen *sscreen);
 326 void
 327 si_make_buffer_descriptor(struct si_screen *screen, struct r600_resource *buf,
 328                           enum pipe_format format,
 329                           unsigned offset, unsigned size,
 330                           uint32_t *state);
 331 void
 332 si_make_texture_descriptor(struct si_screen *screen,
 333                            struct r600_texture *tex,
 334                            bool sampler,
 335                            enum pipe_texture_target target,
 336                            enum pipe_format pipe_format,
 337                            const unsigned char state_swizzle[4],
 338                            unsigned first_level, unsigned last_level,
 339                            unsigned first_layer, unsigned last_layer,
 340                            unsigned width, unsigned height, unsigned depth,
 341                            uint32_t *state,
 342                            uint32_t *fmask_state);
 343 struct pipe_sampler_view *
 344 si_create_sampler_view_custom(struct pipe_context *ctx,
 345                               struct pipe_resource *texture,
 346                               const struct pipe_sampler_view *state,
 347                               unsigned width0, unsigned height0,
 348                               unsigned force_level);
 349
 350 /* si_state_shader.c */
 351 bool si_update_shaders(struct si_context *sctx);
 352 void si_init_shader_functions(struct si_context *sctx);
 353 bool si_init_shader_cache(struct si_screen *sscreen);
 354 void si_destroy_shader_cache(struct si_screen *sscreen);
 355 void si_init_shader_selector_async(void *job, int thread_index);
 356
 357 /* si_state_draw.c */
 358 void si_emit_cache_flush(struct si_context *sctx);
 359 void si_ce_pre_draw_synchronization(struct si_context *sctx);
 360 void si_ce_post_draw_synchronization(struct si_context *sctx);
 361 void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo);
 362 void si_trace_emit(struct si_context *sctx);
 363
 364
 365 static inline unsigned
 366 si_tile_mode_index(struct r600_texture *rtex, unsigned level, bool stencil)
 367 {
 368         if (stencil)
 369                 return rtex->surface.stencil_tiling_index[level];
 370         else
 371                 return rtex->surface.tiling_index[level];
 372 }
 373
 374 #endif