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