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