src/gallium/drivers/r600/r600_pipe.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  * Authors:
  24  *      Jerome Glisse
  25  */
  26 #ifndef R600_PIPE_H
  27 #define R600_PIPE_H
  28
  29 #include "../../winsys/radeon/drm/radeon_winsys.h"
  30
  31 #include "pipe/p_state.h"
  32 #include "pipe/p_screen.h"
  33 #include "pipe/p_context.h"
  34 #include "util/u_math.h"
  35 #include "util/u_slab.h"
  36 #include "util/u_vbuf.h"
  37 #include "r600.h"
  38 #include "r600_public.h"
  39 #include "r600_shader.h"
  40 #include "r600_resource.h"
  41
  42 #define R600_MAX_CONST_BUFFERS 2
  43 #define R600_MAX_CONST_BUFFER_SIZE 4096
  44
  45 #ifdef PIPE_ARCH_BIG_ENDIAN
  46 #define R600_BIG_ENDIAN 1
  47 #else
  48 #define R600_BIG_ENDIAN 0
  49 #endif
  50
  51 enum r600_pipe_state_id {
  52         R600_PIPE_STATE_BLEND = 0,
  53         R600_PIPE_STATE_BLEND_COLOR,
  54         R600_PIPE_STATE_CONFIG,
  55         R600_PIPE_STATE_SEAMLESS_CUBEMAP,
  56         R600_PIPE_STATE_CLIP,
  57         R600_PIPE_STATE_SCISSOR,
  58         R600_PIPE_STATE_VIEWPORT,
  59         R600_PIPE_STATE_RASTERIZER,
  60         R600_PIPE_STATE_VGT,
  61         R600_PIPE_STATE_FRAMEBUFFER,
  62         R600_PIPE_STATE_DSA,
  63         R600_PIPE_STATE_STENCIL_REF,
  64         R600_PIPE_STATE_PS_SHADER,
  65         R600_PIPE_STATE_VS_SHADER,
  66         R600_PIPE_STATE_CONSTANT,
  67         R600_PIPE_STATE_SAMPLER,
  68         R600_PIPE_STATE_RESOURCE,
  69         R600_PIPE_STATE_POLYGON_OFFSET,
  70         R600_PIPE_STATE_FETCH_SHADER,
  71         R600_PIPE_NSTATES
  72 };
  73
  74 struct r600_pipe_fences {
  75         struct r600_resource            *bo;
  76         unsigned                        *data;
  77         unsigned                        next_index;
  78         /* linked list of preallocated blocks */
  79         struct list_head                blocks;
  80         /* linked list of freed fences */
  81         struct list_head                pool;
  82         pipe_mutex                      mutex;
  83 };
  84
  85 struct r600_screen {
  86         struct pipe_screen              screen;
  87         struct radeon_winsys            *ws;
  88         unsigned                        family;
  89         enum chip_class                 chip_class;
  90         struct radeon_info              info;
  91         struct r600_tiling_info         tiling_info;
  92         struct util_slab_mempool        pool_buffers;
  93         struct r600_pipe_fences         fences;
  94
  95         unsigned                        num_contexts;
  96
  97         /* for thread-safe write accessing to num_contexts */
  98         pipe_mutex                      mutex_num_contexts;
  99 };
 100
 101 struct r600_pipe_sampler_view {
 102         struct pipe_sampler_view        base;
 103         struct r600_pipe_resource_state         state;
 104 };
 105
 106 struct r600_pipe_rasterizer {
 107         struct r600_pipe_state          rstate;
 108         boolean                         flatshade;
 109         boolean                         two_side;
 110         unsigned                        sprite_coord_enable;
 111         unsigned                        clip_plane_enable;
 112         unsigned                        pa_sc_line_stipple;
 113         float                           offset_units;
 114         float                           offset_scale;
 115 };
 116
 117 struct r600_pipe_blend {
 118         struct r600_pipe_state          rstate;
 119         unsigned                        cb_target_mask;
 120         unsigned                        cb_color_control;
 121 };
 122
 123 struct r600_pipe_dsa {
 124         struct r600_pipe_state          rstate;
 125         unsigned                        alpha_ref;
 126         ubyte                           valuemask[2];
 127         ubyte                           writemask[2];
 128 };
 129
 130 struct r600_vertex_element
 131 {
 132         unsigned                        count;
 133         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
 134         struct u_vbuf_elements          *vmgr_elements;
 135         struct r600_resource            *fetch_shader;
 136         unsigned                        fs_size;
 137         struct r600_pipe_state          rstate;
 138         /* if offset is to big for fetch instructio we need to alterate
 139          * offset of vertex buffer, record here the offset need to add
 140          */
 141         unsigned                        vbuffer_need_offset;
 142         unsigned                        vbuffer_offset[PIPE_MAX_ATTRIBS];
 143 };
 144
 145 struct r600_pipe_shader {
 146         struct r600_shader              shader;
 147         struct r600_pipe_state          rstate;
 148         struct r600_resource            *bo;
 149         struct r600_resource            *bo_fetch;
 150         struct r600_vertex_element      vertex_elements;
 151         struct tgsi_token               *tokens;
 152         unsigned        sprite_coord_enable;
 153         unsigned        flatshade;
 154         struct pipe_stream_output_info  so;
 155 };
 156
 157 struct r600_pipe_sampler_state {
 158         struct r600_pipe_state          rstate;
 159         boolean seamless_cube_map;
 160 };
 161
 162 /* needed for blitter save */
 163 #define NUM_TEX_UNITS 16
 164
 165 struct r600_textures_info {
 166         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
 167         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
 168         unsigned                        n_views;
 169         unsigned                        n_samplers;
 170         bool                            samplers_dirty;
 171         bool                            is_array_sampler[NUM_TEX_UNITS];
 172 };
 173
 174 struct r600_fence {
 175         struct pipe_reference           reference;
 176         unsigned                        index; /* in the shared bo */
 177         struct list_head                head;
 178 };
 179
 180 #define FENCE_BLOCK_SIZE 16
 181
 182 struct r600_fence_block {
 183         struct r600_fence               fences[FENCE_BLOCK_SIZE];
 184         struct list_head                head;
 185 };
 186
 187 #define R600_CONSTANT_ARRAY_SIZE 256
 188 #define R600_RESOURCE_ARRAY_SIZE 160
 189
 190 struct r600_stencil_ref
 191 {
 192         ubyte ref_value[2];
 193         ubyte valuemask[2];
 194         ubyte writemask[2];
 195 };
 196
 197 struct r600_pipe_context {
 198         struct pipe_context             context;
 199         struct blitter_context          *blitter;
 200         enum radeon_family              family;
 201         enum chip_class                 chip_class;
 202         unsigned                        r6xx_num_clause_temp_gprs;
 203         void                            *custom_dsa_flush;
 204         struct r600_screen              *screen;
 205         struct radeon_winsys            *ws;
 206         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
 207         struct r600_context             ctx;
 208         struct r600_vertex_element      *vertex_elements;
 209         struct r600_pipe_resource_state fs_resource[PIPE_MAX_ATTRIBS];
 210         struct pipe_framebuffer_state   framebuffer;
 211         unsigned                        cb_target_mask;
 212         unsigned                        cb_color_control;
 213         unsigned                        pa_sc_line_stipple;
 214         /* for saving when using blitter */
 215         struct pipe_stencil_ref         stencil_ref;
 216         struct pipe_viewport_state      viewport;
 217         struct pipe_clip_state          clip;
 218         struct r600_pipe_state          config;
 219         struct r600_pipe_shader         *ps_shader;
 220         struct r600_pipe_shader         *vs_shader;
 221         struct r600_pipe_state          vs_const_buffer;
 222         struct r600_pipe_resource_state         vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 223         struct r600_pipe_state          ps_const_buffer;
 224         struct r600_pipe_resource_state         ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 225         struct r600_pipe_rasterizer     *rasterizer;
 226         struct r600_pipe_state          vgt;
 227         struct r600_pipe_state          spi;
 228         struct pipe_query               *current_render_cond;
 229         unsigned                        current_render_cond_mode;
 230         struct pipe_query               *saved_render_cond;
 231         unsigned                        saved_render_cond_mode;
 232         /* shader information */
 233         boolean                         two_side;
 234         unsigned                        user_clip_plane_enable;
 235         unsigned                        clip_dist_enable;
 236         unsigned                        sprite_coord_enable;
 237         boolean                         export_16bpc;
 238         unsigned                        alpha_ref;
 239         boolean                         alpha_ref_dirty;
 240         unsigned                        nr_cbufs;
 241         struct r600_textures_info       vs_samplers;
 242         struct r600_textures_info       ps_samplers;
 243
 244         struct u_vbuf                   *vbuf_mgr;
 245         struct util_slab_mempool        pool_transfers;
 246         boolean                         have_depth_texture, have_depth_fb;
 247
 248         unsigned default_ps_gprs, default_vs_gprs;
 249 };
 250
 251 /* evergreen_state.c */
 252 void evergreen_init_state_functions(struct r600_pipe_context *rctx);
 253 void evergreen_init_config(struct r600_pipe_context *rctx);
 254 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 255 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 256 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 257 void *evergreen_create_db_flush_dsa(struct r600_pipe_context *rctx);
 258 void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
 259 void evergreen_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
 260                                          struct r600_pipe_resource_state *rstate);
 261 void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
 262                                         struct r600_pipe_resource_state *rstate,
 263                                         struct r600_resource *rbuffer,
 264                                         unsigned offset, unsigned stride,
 265                                         enum radeon_bo_usage usage);
 266 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 267                                       enum pipe_format format,
 268                                       enum pipe_texture_target target,
 269                                       unsigned sample_count,
 270                                       unsigned usage);
 271
 272 /* r600_blit.c */
 273 void r600_init_blit_functions(struct r600_pipe_context *rctx);
 274 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 275 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 276 void r600_flush_depth_textures(struct r600_pipe_context *rctx);
 277
 278 /* r600_buffer.c */
 279 bool r600_init_resource(struct r600_screen *rscreen,
 280                         struct r600_resource *res,
 281                         unsigned size, unsigned alignment,
 282                         unsigned bind, unsigned usage);
 283 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 284                                          const struct pipe_resource *templ);
 285 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 286                                               void *ptr, unsigned bytes,
 287                                               unsigned bind);
 288 void r600_upload_index_buffer(struct r600_pipe_context *rctx,
 289                               struct pipe_index_buffer *ib, unsigned count);
 290
 291
 292 /* r600_pipe.c */
 293 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 294                 unsigned flags);
 295
 296 /* r600_query.c */
 297 void r600_init_query_functions(struct r600_pipe_context *rctx);
 298
 299 /* r600_resource.c */
 300 void r600_init_context_resource_functions(struct r600_pipe_context *r600);
 301
 302 /* r600_shader.c */
 303 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 304 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 305 int r600_find_vs_semantic_index(struct r600_shader *vs,
 306                                 struct r600_shader *ps, int id);
 307
 308 /* r600_state.c */
 309 void r600_update_sampler_states(struct r600_pipe_context *rctx);
 310 void r600_init_state_functions(struct r600_pipe_context *rctx);
 311 void r600_init_config(struct r600_pipe_context *rctx);
 312 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 313 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 314 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 315 void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
 316 void r600_polygon_offset_update(struct r600_pipe_context *rctx);
 317 void r600_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
 318                                     struct r600_pipe_resource_state *rstate);
 319 void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
 320                                    struct r600_resource *rbuffer,
 321                                    unsigned offset, unsigned stride,
 322                                    enum radeon_bo_usage usage);
 323 void r600_adjust_gprs(struct r600_pipe_context *rctx);
 324 boolean r600_is_format_supported(struct pipe_screen *screen,
 325                                  enum pipe_format format,
 326                                  enum pipe_texture_target target,
 327                                  unsigned sample_count,
 328                                  unsigned usage);
 329
 330 /* r600_texture.c */
 331 void r600_init_screen_texture_functions(struct pipe_screen *screen);
 332 void r600_init_surface_functions(struct r600_pipe_context *r600);
 333 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
 334                                   const unsigned char *swizzle_view,
 335                                   uint32_t *word4_p, uint32_t *yuv_format_p);
 336 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
 337                                         unsigned level, unsigned layer);
 338
 339 /* r600_translate.c */
 340 void r600_translate_index_buffer(struct r600_pipe_context *r600,
 341                                  struct pipe_index_buffer *ib,
 342                                  unsigned count);
 343
 344 /* r600_state_common.c */
 345 void r600_set_index_buffer(struct pipe_context *ctx,
 346                            const struct pipe_index_buffer *ib);
 347 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 348                              const struct pipe_vertex_buffer *buffers);
 349 void *r600_create_vertex_elements(struct pipe_context *ctx,
 350                                   unsigned count,
 351                                   const struct pipe_vertex_element *elements);
 352 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
 353 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 354 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
 355 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 356 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 357 void r600_sampler_view_destroy(struct pipe_context *ctx,
 358                                struct pipe_sampler_view *state);
 359 void r600_delete_state(struct pipe_context *ctx, void *state);
 360 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
 361 void *r600_create_shader_state(struct pipe_context *ctx,
 362                                const struct pipe_shader_state *state);
 363 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 364 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 365 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 366 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
 367 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 368                               struct pipe_resource *buffer);
 369 struct pipe_stream_output_target *
 370 r600_create_so_target(struct pipe_context *ctx,
 371                       struct pipe_resource *buffer,
 372                       unsigned buffer_offset,
 373                       unsigned buffer_size);
 374 void r600_so_target_destroy(struct pipe_context *ctx,
 375                             struct pipe_stream_output_target *target);
 376 void r600_set_so_targets(struct pipe_context *ctx,
 377                          unsigned num_targets,
 378                          struct pipe_stream_output_target **targets,
 379                          unsigned append_bitmask);
 380 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
 381                                const struct pipe_stencil_ref *state);
 382 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 383
 384 /*
 385  * common helpers
 386  */
 387 static INLINE u32 S_FIXED(float value, u32 frac_bits)
 388 {
 389         return value * (1 << frac_bits);
 390 }
 391 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
 392
 393 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 394 {
 395         if (filter <= 1)   return 0;
 396         if (filter <= 2)   return 1;
 397         if (filter <= 4)   return 2;
 398         if (filter <= 8)   return 3;
 399          /* else */        return 4;
 400 }
 401
 402 /* 12.4 fixed-point */
 403 static INLINE unsigned r600_pack_float_12p4(float x)
 404 {
 405         return x <= 0    ? 0 :
 406                x >= 4096 ? 0xffff : x * 16;
 407 }
 408
 409 #endif