src/gallium/drivers/r600/r600_pipe.c

   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 #include <stdio.h>
  24 #include <errno.h>
  25 #include <pipe/p_defines.h>
  26 #include <pipe/p_state.h>
  27 #include <pipe/p_context.h>
  28 #include <tgsi/tgsi_scan.h>
  29 #include <tgsi/tgsi_parse.h>
  30 #include <tgsi/tgsi_util.h>
  31 #include <util/u_blitter.h>
  32 #include <util/u_double_list.h>
  33 #include <util/u_transfer.h>
  34 #include <util/u_surface.h>
  35 #include <util/u_pack_color.h>
  36 #include <util/u_memory.h>
  37 #include <util/u_inlines.h>
  38 #include <util/u_upload_mgr.h>
  39 #include <pipebuffer/pb_buffer.h>
  40 #include "r600.h"
  41 #include "r600d.h"
  42 #include "r600_resource.h"
  43 #include "r600_shader.h"
  44 #include "r600_pipe.h"
  45 #include "r600_state_inlines.h"
  46
  47 /*
  48  * pipe_context
  49  */
  50 static void r600_flush(struct pipe_context *ctx, unsigned flags,
  51                         struct pipe_fence_handle **fence)
  52 {
  53         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  54 #if 0
  55         static int dc = 0;
  56         char dname[256];
  57 #endif
  58
  59         if (!rctx->ctx.pm4_cdwords)
  60                 return;
  61
  62         u_upload_flush(rctx->upload_vb);
  63         u_upload_flush(rctx->upload_ib);
  64
  65 #if 0
  66         sprintf(dname, "gallium-%08d.bof", dc);
  67         if (dc < 20) {
  68                 r600_context_dump_bof(&rctx->ctx, dname);
  69                 R600_ERR("dumped %s\n", dname);
  70         }
  71         dc++;
  72 #endif
  73         r600_context_flush(&rctx->ctx);
  74 }
  75
  76 static void r600_destroy_context(struct pipe_context *context)
  77 {
  78         struct r600_pipe_context *rctx = (struct r600_pipe_context *)context;
  79
  80         r600_context_fini(&rctx->ctx);
  81         for (int i = 0; i < R600_PIPE_NSTATES; i++) {
  82                 free(rctx->states[i]);
  83         }
  84
  85         u_upload_destroy(rctx->upload_vb);
  86         u_upload_destroy(rctx->upload_ib);
  87
  88         FREE(rctx);
  89 }
  90
  91 static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
  92 {
  93         struct r600_pipe_context *rctx = CALLOC_STRUCT(r600_pipe_context);
  94         struct r600_screen* rscreen = (struct r600_screen *)screen;
  95         enum chip_class class;
  96
  97         if (rctx == NULL)
  98                 return NULL;
  99         rctx->context.winsys = rscreen->screen.winsys;
 100         rctx->context.screen = screen;
 101         rctx->context.priv = priv;
 102         rctx->context.destroy = r600_destroy_context;
 103         rctx->context.flush = r600_flush;
 104
 105         /* Easy accessing of screen/winsys. */
 106         rctx->screen = rscreen;
 107         rctx->radeon = rscreen->radeon;
 108         rctx->family = r600_get_family(rctx->radeon);
 109
 110         r600_init_blit_functions(rctx);
 111         r600_init_query_functions(rctx);
 112         r600_init_context_resource_functions(rctx);
 113
 114         switch (r600_get_family(rctx->radeon)) {
 115         case CHIP_R600:
 116         case CHIP_RV610:
 117         case CHIP_RV630:
 118         case CHIP_RV670:
 119         case CHIP_RV620:
 120         case CHIP_RV635:
 121         case CHIP_RS780:
 122         case CHIP_RS880:
 123         case CHIP_RV770:
 124         case CHIP_RV730:
 125         case CHIP_RV710:
 126         case CHIP_RV740:
 127                 rctx->context.draw_vbo = r600_draw_vbo;
 128                 r600_init_state_functions(rctx);
 129                 if (r600_context_init(&rctx->ctx, rctx->radeon)) {
 130                         r600_destroy_context(&rctx->context);
 131                         return NULL;
 132                 }
 133                 r600_init_config(rctx);
 134                 break;
 135         case CHIP_CEDAR:
 136         case CHIP_REDWOOD:
 137         case CHIP_JUNIPER:
 138         case CHIP_CYPRESS:
 139         case CHIP_HEMLOCK:
 140                 rctx->context.draw_vbo = evergreen_draw;
 141                 evergreen_init_state_functions(rctx);
 142                 if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
 143                         r600_destroy_context(&rctx->context);
 144                         return NULL;
 145                 }
 146                 evergreen_init_config(rctx);
 147                 break;
 148         default:
 149                 R600_ERR("unsupported family %d\n", r600_get_family(rctx->radeon));
 150                 r600_destroy_context(&rctx->context);
 151                 return NULL;
 152         }
 153
 154         rctx->upload_ib = u_upload_create(&rctx->context, 32 * 1024, 16,
 155                                           PIPE_BIND_INDEX_BUFFER);
 156         if (rctx->upload_ib == NULL) {
 157                 r600_destroy_context(&rctx->context);
 158                 return NULL;
 159         }
 160
 161         rctx->upload_vb = u_upload_create(&rctx->context, 128 * 1024, 16,
 162                                           PIPE_BIND_VERTEX_BUFFER);
 163         if (rctx->upload_vb == NULL) {
 164                 r600_destroy_context(&rctx->context);
 165                 return NULL;
 166         }
 167
 168         rctx->blitter = util_blitter_create(&rctx->context);
 169         if (rctx->blitter == NULL) {
 170                 FREE(rctx);
 171                 return NULL;
 172         }
 173
 174         class = r600_get_family_class(rctx->radeon);
 175         if (class == R600 || class == R700)
 176                 rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
 177         else
 178                 rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
 179
 180         r600_blit_uncompress_depth_ptr = r600_blit_uncompress_depth;
 181
 182         return &rctx->context;
 183 }
 184
 185 /*
 186  * pipe_screen
 187  */
 188 static const char* r600_get_vendor(struct pipe_screen* pscreen)
 189 {
 190         return "X.Org";
 191 }
 192
 193 static const char *r600_get_family_name(enum radeon_family family)
 194 {
 195         switch(family) {
 196         case CHIP_R600: return "R600";
 197         case CHIP_RV610: return "RV610";
 198         case CHIP_RV630: return "RV630";
 199         case CHIP_RV670: return "RV670";
 200         case CHIP_RV620: return "RV620";
 201         case CHIP_RV635: return "RV635";
 202         case CHIP_RS780: return "RS780";
 203         case CHIP_RS880: return "RS880";
 204         case CHIP_RV770: return "RV770";
 205         case CHIP_RV730: return "RV730";
 206         case CHIP_RV710: return "RV710";
 207         case CHIP_RV740: return "RV740";
 208         case CHIP_CEDAR: return "CEDAR";
 209         case CHIP_REDWOOD: return "REDWOOD";
 210         case CHIP_JUNIPER: return "JUNIPER";
 211         case CHIP_CYPRESS: return "CYPRESS";
 212         case CHIP_HEMLOCK: return "HEMLOCK";
 213         default: return "unknown";
 214         }
 215 }
 216
 217 static const char* r600_get_name(struct pipe_screen* pscreen)
 218 {
 219         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 220         enum radeon_family family = r600_get_family(rscreen->radeon);
 221
 222         return r600_get_family_name(family);
 223 }
 224
 225 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 226 {
 227         switch (param) {
 228         /* Supported features (boolean caps). */
 229         case PIPE_CAP_NPOT_TEXTURES:
 230         case PIPE_CAP_TWO_SIDED_STENCIL:
 231         case PIPE_CAP_GLSL:
 232         case PIPE_CAP_DUAL_SOURCE_BLEND:
 233         case PIPE_CAP_ANISOTROPIC_FILTER:
 234         case PIPE_CAP_POINT_SPRITE:
 235         case PIPE_CAP_OCCLUSION_QUERY:
 236         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 237         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 238         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 239         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 240         case PIPE_CAP_SM3:
 241         case PIPE_CAP_TEXTURE_SWIZZLE:
 242         case PIPE_CAP_INDEP_BLEND_ENABLE:
 243         case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
 244         case PIPE_CAP_DEPTH_CLAMP:
 245                 return 1;
 246
 247         /* Unsupported features (boolean caps). */
 248         case PIPE_CAP_TIMER_QUERY:
 249         case PIPE_CAP_STREAM_OUTPUT:
 250         case PIPE_CAP_INDEP_BLEND_FUNC: /* FIXME allow this */
 251                 return 0;
 252
 253         /* Texturing. */
 254         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 255         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 256         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 257                 return 14;
 258         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 259                 /* FIXME allow this once infrastructure is there */
 260                 return 0;
 261         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 262         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 263                 return 16;
 264
 265         /* Render targets. */
 266         case PIPE_CAP_MAX_RENDER_TARGETS:
 267                 /* FIXME some r6xx are buggy and can only do 4 */
 268                 return 8;
 269
 270         /* Fragment coordinate conventions. */
 271         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 272         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 273                 return 1;
 274         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 275         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 276                 return 0;
 277
 278         default:
 279                 R600_ERR("r600: unknown param %d\n", param);
 280                 return 0;
 281         }
 282 }
 283
 284 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 285 {
 286         switch (param) {
 287         case PIPE_CAP_MAX_LINE_WIDTH:
 288         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 289         case PIPE_CAP_MAX_POINT_WIDTH:
 290         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 291                 return 8192.0f;
 292         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 293                 return 16.0f;
 294         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 295                 return 16.0f;
 296         default:
 297                 R600_ERR("r600: unsupported paramf %d\n", param);
 298                 return 0.0f;
 299         }
 300 }
 301
 302 static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
 303 {
 304         switch(shader)
 305         {
 306         case PIPE_SHADER_FRAGMENT:
 307         case PIPE_SHADER_VERTEX:
 308                 break;
 309         case PIPE_SHADER_GEOMETRY:
 310                 /* TODO: support and enable geometry programs */
 311                 return 0;
 312         default:
 313                 /* TODO: support tessellation on Evergreen */
 314                 return 0;
 315         }
 316
 317         /* TODO: all these should be fixed, since r600 surely supports much more! */
 318         switch (param) {
 319         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 320         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 321         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 322         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 323                 return 16384;
 324         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 325                 return 8; /* FIXME */
 326         case PIPE_SHADER_CAP_MAX_INPUTS:
 327                 if(shader == PIPE_SHADER_FRAGMENT)
 328                         return 10;
 329                 else
 330                         return 16;
 331         case PIPE_SHADER_CAP_MAX_TEMPS:
 332                 return 256; //max native temporaries
 333         case PIPE_SHADER_CAP_MAX_ADDRS:
 334                 return 1; //max native address registers/* FIXME Isn't this equal to TEMPS? */
 335         case PIPE_SHADER_CAP_MAX_CONSTS:
 336                 return 256; //max native parameters
 337         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 338                 return 1;
 339         case PIPE_SHADER_CAP_MAX_PREDS:
 340                 return 0; /* FIXME */
 341         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 342                 return 1;
 343         default:
 344                 return 0;
 345         }
 346 }
 347
 348 static boolean r600_is_format_supported(struct pipe_screen* screen,
 349                                         enum pipe_format format,
 350                                         enum pipe_texture_target target,
 351                                         unsigned sample_count,
 352                                         unsigned usage,
 353                                         unsigned geom_flags)
 354 {
 355         unsigned retval = 0;
 356         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 357                 R600_ERR("r600: unsupported texture type %d\n", target);
 358                 return FALSE;
 359         }
 360
 361         /* Multisample */
 362         if (sample_count > 1)
 363                 return FALSE;
 364
 365         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 366             r600_is_sampler_format_supported(format)) {
 367                 retval |= PIPE_BIND_SAMPLER_VIEW;
 368         }
 369
 370         if ((usage & (PIPE_BIND_RENDER_TARGET |
 371                   PIPE_BIND_DISPLAY_TARGET |
 372                   PIPE_BIND_SCANOUT |
 373                   PIPE_BIND_SHARED)) &&
 374             r600_is_colorbuffer_format_supported(format)) {
 375                 retval |= usage &
 376                         (PIPE_BIND_RENDER_TARGET |
 377                          PIPE_BIND_DISPLAY_TARGET |
 378                          PIPE_BIND_SCANOUT |
 379                          PIPE_BIND_SHARED);
 380         }
 381
 382         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 383             r600_is_zs_format_supported(format)) {
 384                 retval |= PIPE_BIND_DEPTH_STENCIL;
 385         }
 386
 387         if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
 388             r600_is_vertex_format_supported(format))
 389                 retval |= PIPE_BIND_VERTEX_BUFFER;
 390
 391         if (usage & PIPE_BIND_TRANSFER_READ)
 392                 retval |= PIPE_BIND_TRANSFER_READ;
 393         if (usage & PIPE_BIND_TRANSFER_WRITE)
 394                 retval |= PIPE_BIND_TRANSFER_WRITE;
 395
 396         return retval == usage;
 397 }
 398
 399 static void r600_destroy_screen(struct pipe_screen* pscreen)
 400 {
 401         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 402
 403         if (rscreen == NULL)
 404                 return;
 405         FREE(rscreen);
 406 }
 407
 408
 409 struct pipe_screen *r600_screen_create(struct radeon *radeon)
 410 {
 411         struct r600_screen *rscreen;
 412
 413         rscreen = CALLOC_STRUCT(r600_screen);
 414         if (rscreen == NULL) {
 415                 return NULL;
 416         }
 417
 418         rscreen->radeon = radeon;
 419         rscreen->screen.winsys = (struct pipe_winsys*)radeon;
 420         rscreen->screen.destroy = r600_destroy_screen;
 421         rscreen->screen.get_name = r600_get_name;
 422         rscreen->screen.get_vendor = r600_get_vendor;
 423         rscreen->screen.get_param = r600_get_param;
 424         rscreen->screen.get_shader_param = r600_get_shader_param;
 425         rscreen->screen.get_paramf = r600_get_paramf;
 426         rscreen->screen.is_format_supported = r600_is_format_supported;
 427         rscreen->screen.context_create = r600_create_context;
 428         r600_init_screen_texture_functions(&rscreen->screen);
 429         r600_init_screen_resource_functions(&rscreen->screen);
 430
 431         return &rscreen->screen;
 432 }