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 <pipe/p_state.h>
  30 #include <pipe/p_screen.h>
  31 #include <pipe/p_context.h>
  32 #include <util/u_math.h>
  33 #include "util/u_slab.h"
  34 #include "util/u_vbuf_mgr.h"
  35 #include "r600.h"
  36 #include "r600_public.h"
  37 #include "r600_shader.h"
  38 #include "r600_resource.h"
  39
  40 #define R600_MAX_CONST_BUFFERS 1
  41 #define R600_MAX_CONST_BUFFER_SIZE 4096
  42
  43 #ifdef PIPE_ARCH_BIG_ENDIAN
  44 #define R600_BIG_ENDIAN 1
  45 #else
  46 #define R600_BIG_ENDIAN 0
  47 #endif
  48
  49 enum r600_pipe_state_id {
  50         R600_PIPE_STATE_BLEND = 0,
  51         R600_PIPE_STATE_BLEND_COLOR,
  52         R600_PIPE_STATE_CONFIG,
  53         R600_PIPE_STATE_SEAMLESS_CUBEMAP,
  54         R600_PIPE_STATE_CLIP,
  55         R600_PIPE_STATE_SCISSOR,
  56         R600_PIPE_STATE_VIEWPORT,
  57         R600_PIPE_STATE_RASTERIZER,
  58         R600_PIPE_STATE_VGT,
  59         R600_PIPE_STATE_FRAMEBUFFER,
  60         R600_PIPE_STATE_DSA,
  61         R600_PIPE_STATE_STENCIL_REF,
  62         R600_PIPE_STATE_PS_SHADER,
  63         R600_PIPE_STATE_VS_SHADER,
  64         R600_PIPE_STATE_CONSTANT,
  65         R600_PIPE_STATE_SAMPLER,
  66         R600_PIPE_STATE_RESOURCE,
  67         R600_PIPE_STATE_POLYGON_OFFSET,
  68         R600_PIPE_STATE_FETCH_SHADER,
  69         R600_PIPE_STATE_SPI,
  70         R600_PIPE_NSTATES
  71 };
  72
  73 struct r600_screen {
  74         struct pipe_screen              screen;
  75         struct radeon                   *radeon;
  76         struct r600_tiling_info         *tiling_info;
  77         struct util_slab_mempool        pool_buffers;
  78         unsigned                        num_contexts;
  79
  80         /* for thread-safe write accessing to num_contexts */
  81         pipe_mutex                      mutex_num_contexts;
  82 };
  83
  84 struct r600_pipe_sampler_view {
  85         struct pipe_sampler_view        base;
  86         struct r600_pipe_resource_state         state;
  87 };
  88
  89 struct r600_pipe_rasterizer {
  90         struct r600_pipe_state          rstate;
  91         boolean                         clamp_vertex_color;
  92         boolean                         clamp_fragment_color;
  93         boolean                         flatshade;
  94         unsigned                        sprite_coord_enable;
  95         float                           offset_units;
  96         float                           offset_scale;
  97 };
  98
  99 struct r600_pipe_blend {
 100         struct r600_pipe_state          rstate;
 101         unsigned                        cb_target_mask;
 102 };
 103
 104 struct r600_pipe_dsa {
 105         struct r600_pipe_state          rstate;
 106         unsigned                        alpha_ref;
 107 };
 108
 109 struct r600_vertex_element
 110 {
 111         unsigned                        count;
 112         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
 113         struct u_vbuf_mgr_elements      *vmgr_elements;
 114         struct r600_bo                  *fetch_shader;
 115         unsigned                        fs_size;
 116         struct r600_pipe_state          rstate;
 117         /* if offset is to big for fetch instructio we need to alterate
 118          * offset of vertex buffer, record here the offset need to add
 119          */
 120         unsigned                        vbuffer_need_offset;
 121         unsigned                        vbuffer_offset[PIPE_MAX_ATTRIBS];
 122 };
 123
 124 struct r600_pipe_shader {
 125         struct r600_shader              shader;
 126         struct r600_pipe_state          rstate;
 127         struct r600_bo                  *bo;
 128         struct r600_bo                  *bo_fetch;
 129         struct r600_vertex_element      vertex_elements;
 130         struct tgsi_token               *tokens;
 131 };
 132
 133 struct r600_pipe_sampler_state {
 134         struct r600_pipe_state          rstate;
 135         boolean seamless_cube_map;
 136 };
 137
 138 /* needed for blitter save */
 139 #define NUM_TEX_UNITS 16
 140
 141 struct r600_textures_info {
 142         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
 143         unsigned                        n_views;
 144         void                            *samplers[NUM_TEX_UNITS];
 145         unsigned                        n_samplers;
 146 };
 147
 148 struct r600_fence {
 149         struct pipe_reference           reference;
 150         struct r600_pipe_context        *ctx;
 151         unsigned                        index; /* in the shared bo */
 152         struct list_head                head;
 153 };
 154
 155 #define FENCE_BLOCK_SIZE 16
 156
 157 struct r600_fence_block {
 158         struct r600_fence               fences[FENCE_BLOCK_SIZE];
 159         struct list_head                head;
 160 };
 161
 162 struct r600_pipe_fences {
 163         struct r600_bo                  *bo;
 164         unsigned                        *data;
 165         unsigned                        next_index;
 166         /* linked list of preallocated blocks */
 167         struct list_head                blocks;
 168         /* linked list of freed fences */
 169         struct list_head                pool;
 170 };
 171
 172 #define R600_CONSTANT_ARRAY_SIZE 256
 173 #define R600_RESOURCE_ARRAY_SIZE 160
 174
 175 struct r600_pipe_context {
 176         struct pipe_context             context;
 177         struct blitter_context          *blitter;
 178         enum radeon_family              family;
 179         void                            *custom_dsa_flush;
 180         struct r600_screen              *screen;
 181         struct radeon                   *radeon;
 182         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
 183         struct r600_context             ctx;
 184         struct r600_vertex_element      *vertex_elements;
 185         struct r600_pipe_resource_state         fs_resource[PIPE_MAX_ATTRIBS];
 186         struct pipe_framebuffer_state   framebuffer;
 187         struct pipe_index_buffer        index_buffer;
 188         unsigned                        cb_target_mask;
 189         /* for saving when using blitter */
 190         struct pipe_stencil_ref         stencil_ref;
 191         struct pipe_viewport_state      viewport;
 192         struct pipe_clip_state          clip;
 193         struct r600_pipe_state          config;
 194         struct r600_pipe_shader         *ps_shader;
 195         struct r600_pipe_shader         *vs_shader;
 196         struct r600_pipe_state          vs_const_buffer;
 197         struct r600_pipe_resource_state         vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 198         struct r600_pipe_state          ps_const_buffer;
 199         struct r600_pipe_resource_state         ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 200         struct r600_pipe_rasterizer     *rasterizer;
 201         struct r600_pipe_state          vgt;
 202         struct r600_pipe_state          spi;
 203         struct pipe_query               *current_render_cond;
 204         unsigned                        current_render_cond_mode;
 205         struct pipe_query               *saved_render_cond;
 206         unsigned                        saved_render_cond_mode;
 207         /* shader information */
 208         boolean                         clamp_vertex_color;
 209         boolean                         clamp_fragment_color;
 210         boolean                         spi_dirty;
 211         unsigned                        sprite_coord_enable;
 212         boolean                         flatshade;
 213         boolean                         export_16bpc;
 214         unsigned                        alpha_ref;
 215         boolean                         alpha_ref_dirty;
 216         unsigned                        nr_cbufs;
 217         struct r600_textures_info       ps_samplers;
 218
 219         struct r600_pipe_fences         fences;
 220
 221         struct u_vbuf_mgr               *vbuf_mgr;
 222         struct util_slab_mempool        pool_transfers;
 223         boolean                         blit;
 224         boolean                         have_depth_texture, have_depth_fb;
 225
 226         unsigned default_ps_gprs, default_vs_gprs;
 227 };
 228
 229 struct r600_drawl {
 230         struct pipe_draw_info   info;
 231         struct pipe_context     *ctx;
 232         unsigned                index_size;
 233         unsigned                index_buffer_offset;
 234         struct pipe_resource    *index_buffer;
 235 };
 236
 237 /* evergreen_state.c */
 238 void evergreen_init_state_functions(struct r600_pipe_context *rctx);
 239 void evergreen_init_config(struct r600_pipe_context *rctx);
 240 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 241 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 242 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 243 void *evergreen_create_db_flush_dsa(struct r600_pipe_context *rctx);
 244 void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
 245 void evergreen_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
 246                                          struct r600_pipe_resource_state *rstate);
 247 void evergreen_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
 248                                         struct r600_resource *rbuffer,
 249                                         unsigned offset, unsigned stride);
 250 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 251                                       enum pipe_format format,
 252                                       enum pipe_texture_target target,
 253                                       unsigned sample_count,
 254                                       unsigned usage);
 255
 256 /* r600_blit.c */
 257 void r600_init_blit_functions(struct r600_pipe_context *rctx);
 258 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 259 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 260 void r600_flush_depth_textures(struct r600_pipe_context *rctx);
 261
 262 /* r600_buffer.c */
 263 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 264                                          const struct pipe_resource *templ);
 265 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 266                                               void *ptr, unsigned bytes,
 267                                               unsigned bind);
 268 struct pipe_resource *r600_buffer_from_handle(struct pipe_screen *screen,
 269                                               struct winsys_handle *whandle);
 270 void r600_upload_index_buffer(struct r600_pipe_context *rctx, struct r600_drawl *draw);
 271
 272 /* r600_query.c */
 273 void r600_init_query_functions(struct r600_pipe_context *rctx);
 274
 275 /* r600_resource.c */
 276 void r600_init_context_resource_functions(struct r600_pipe_context *r600);
 277
 278 /* r600_shader.c */
 279 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 280 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 281 int r600_find_vs_semantic_index(struct r600_shader *vs,
 282                                 struct r600_shader *ps, int id);
 283
 284 /* r600_state.c */
 285 void r600_init_state_functions(struct r600_pipe_context *rctx);
 286 void r600_init_config(struct r600_pipe_context *rctx);
 287 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 288 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 289 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 290 void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
 291 void r600_polygon_offset_update(struct r600_pipe_context *rctx);
 292 void r600_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
 293                                     struct r600_pipe_resource_state *rstate);
 294 void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
 295                                    struct r600_resource *rbuffer,
 296                                    unsigned offset, unsigned stride);
 297 void r600_adjust_gprs(struct r600_pipe_context *rctx);
 298 boolean r600_is_format_supported(struct pipe_screen *screen,
 299                                  enum pipe_format format,
 300                                  enum pipe_texture_target target,
 301                                  unsigned sample_count,
 302                                  unsigned usage);
 303
 304 /* r600_texture.c */
 305 void r600_init_screen_texture_functions(struct pipe_screen *screen);
 306 void r600_init_surface_functions(struct r600_pipe_context *r600);
 307 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
 308                                   const unsigned char *swizzle_view,
 309                                   uint32_t *word4_p, uint32_t *yuv_format_p);
 310 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
 311                                         unsigned level, unsigned layer);
 312
 313 /* r600_translate.c */
 314 void r600_translate_index_buffer(struct r600_pipe_context *r600,
 315                                  struct pipe_resource **index_buffer,
 316                                  unsigned *index_size,
 317                                  unsigned *start, unsigned count);
 318
 319 /* r600_state_common.c */
 320 void r600_set_index_buffer(struct pipe_context *ctx,
 321                            const struct pipe_index_buffer *ib);
 322 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 323                              const struct pipe_vertex_buffer *buffers);
 324 void *r600_create_vertex_elements(struct pipe_context *ctx,
 325                                   unsigned count,
 326                                   const struct pipe_vertex_element *elements);
 327 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
 328 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 329 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
 330 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 331 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 332 void r600_sampler_view_destroy(struct pipe_context *ctx,
 333                                struct pipe_sampler_view *state);
 334 void r600_delete_state(struct pipe_context *ctx, void *state);
 335 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
 336 void *r600_create_shader_state(struct pipe_context *ctx,
 337                                const struct pipe_shader_state *state);
 338 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 339 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 340 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 341 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
 342 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 343                               struct pipe_resource *buffer);
 344 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 345
 346 /*
 347  * common helpers
 348  */
 349 static INLINE u32 S_FIXED(float value, u32 frac_bits)
 350 {
 351         return value * (1 << frac_bits);
 352 }
 353 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
 354
 355 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 356 {
 357         if (filter <= 1)   return 0;
 358         if (filter <= 2)   return 1;
 359         if (filter <= 4)   return 2;
 360         if (filter <= 8)   return 3;
 361          /* else */        return 4;
 362 }
 363
 364 #endif