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->ps_resource);
  89         FREE(rctx->vs_resource);
  90         FREE(rctx);
  91 }
  92
  93 static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
  94 {
  95         struct r600_pipe_context *rctx = CALLOC_STRUCT(r600_pipe_context);
  96         struct r600_screen* rscreen = (struct r600_screen *)screen;
  97         enum chip_class class;
  98
  99         if (rctx == NULL)
 100                 return NULL;
 101         rctx->context.winsys = rscreen->screen.winsys;
 102         rctx->context.screen = screen;
 103         rctx->context.priv = priv;
 104         rctx->context.destroy = r600_destroy_context;
 105         rctx->context.flush = r600_flush;
 106
 107         /* Easy accessing of screen/winsys. */
 108         rctx->screen = rscreen;
 109         rctx->radeon = rscreen->radeon;
 110         rctx->family = r600_get_family(rctx->radeon);
 111
 112         r600_init_blit_functions(rctx);
 113         r600_init_query_functions(rctx);
 114         r600_init_context_resource_functions(rctx);
 115
 116         switch (r600_get_family(rctx->radeon)) {
 117         case CHIP_R600:
 118         case CHIP_RV610:
 119         case CHIP_RV630:
 120         case CHIP_RV670:
 121         case CHIP_RV620:
 122         case CHIP_RV635:
 123         case CHIP_RS780:
 124         case CHIP_RS880:
 125         case CHIP_RV770:
 126         case CHIP_RV730:
 127         case CHIP_RV710:
 128         case CHIP_RV740:
 129                 rctx->context.draw_vbo = r600_draw_vbo;
 130                 r600_init_state_functions(rctx);
 131                 if (r600_context_init(&rctx->ctx, rctx->radeon)) {
 132                         r600_destroy_context(&rctx->context);
 133                         return NULL;
 134                 }
 135                 r600_init_config(rctx);
 136                 break;
 137         case CHIP_CEDAR:
 138         case CHIP_REDWOOD:
 139         case CHIP_JUNIPER:
 140         case CHIP_CYPRESS:
 141         case CHIP_HEMLOCK:
 142                 rctx->context.draw_vbo = evergreen_draw;
 143                 evergreen_init_state_functions(rctx);
 144                 if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
 145                         r600_destroy_context(&rctx->context);
 146                         return NULL;
 147                 }
 148                 evergreen_init_config(rctx);
 149                 break;
 150         default:
 151                 R600_ERR("unsupported family %d\n", r600_get_family(rctx->radeon));
 152                 r600_destroy_context(&rctx->context);
 153                 return NULL;
 154         }
 155
 156         rctx->upload_ib = u_upload_create(&rctx->context, 32 * 1024, 16,
 157                                           PIPE_BIND_INDEX_BUFFER);
 158         if (rctx->upload_ib == NULL) {
 159                 r600_destroy_context(&rctx->context);
 160                 return NULL;
 161         }
 162
 163         rctx->upload_vb = u_upload_create(&rctx->context, 128 * 1024, 16,
 164                                           PIPE_BIND_VERTEX_BUFFER);
 165         if (rctx->upload_vb == NULL) {
 166                 r600_destroy_context(&rctx->context);
 167                 return NULL;
 168         }
 169
 170         rctx->blitter = util_blitter_create(&rctx->context);
 171         if (rctx->blitter == NULL) {
 172                 FREE(rctx);
 173                 return NULL;
 174         }
 175
 176         rctx->vs_resource = CALLOC(R600_RESOURCE_ARRAY_SIZE, sizeof(struct r600_pipe_state));
 177         if (!rctx->vs_resource) {
 178                 FREE(rctx);
 179                 return NULL;
 180         }
 181
 182         rctx->ps_resource = CALLOC(R600_RESOURCE_ARRAY_SIZE, sizeof(struct r600_pipe_state));
 183         if (!rctx->ps_resource) {
 184                 FREE(rctx);
 185                 return NULL;
 186         }
 187
 188         class = r600_get_family_class(rctx->radeon);
 189         if (class == R600 || class == R700)
 190                 rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
 191         else
 192                 rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
 193
 194         r600_blit_uncompress_depth_ptr = r600_blit_uncompress_depth;
 195
 196         return &rctx->context;
 197 }
 198
 199 /*
 200  * pipe_screen
 201  */
 202 static const char* r600_get_vendor(struct pipe_screen* pscreen)
 203 {
 204         return "X.Org";
 205 }
 206
 207 static const char *r600_get_family_name(enum radeon_family family)
 208 {
 209         switch(family) {
 210         case CHIP_R600: return "R600";
 211         case CHIP_RV610: return "RV610";
 212         case CHIP_RV630: return "RV630";
 213         case CHIP_RV670: return "RV670";
 214         case CHIP_RV620: return "RV620";
 215         case CHIP_RV635: return "RV635";
 216         case CHIP_RS780: return "RS780";
 217         case CHIP_RS880: return "RS880";
 218         case CHIP_RV770: return "RV770";
 219         case CHIP_RV730: return "RV730";
 220         case CHIP_RV710: return "RV710";
 221         case CHIP_RV740: return "RV740";
 222         case CHIP_CEDAR: return "CEDAR";
 223         case CHIP_REDWOOD: return "REDWOOD";
 224         case CHIP_JUNIPER: return "JUNIPER";
 225         case CHIP_CYPRESS: return "CYPRESS";
 226         case CHIP_HEMLOCK: return "HEMLOCK";
 227         default: return "unknown";
 228         }
 229 }
 230
 231 static const char* r600_get_name(struct pipe_screen* pscreen)
 232 {
 233         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 234         enum radeon_family family = r600_get_family(rscreen->radeon);
 235
 236         return r600_get_family_name(family);
 237 }
 238
 239 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 240 {
 241         switch (param) {
 242         /* Supported features (boolean caps). */
 243         case PIPE_CAP_NPOT_TEXTURES:
 244         case PIPE_CAP_TWO_SIDED_STENCIL:
 245         case PIPE_CAP_GLSL:
 246         case PIPE_CAP_DUAL_SOURCE_BLEND:
 247         case PIPE_CAP_ANISOTROPIC_FILTER:
 248         case PIPE_CAP_POINT_SPRITE:
 249         case PIPE_CAP_OCCLUSION_QUERY:
 250         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 251         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 252         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 253         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 254         case PIPE_CAP_SM3:
 255         case PIPE_CAP_TEXTURE_SWIZZLE:
 256         case PIPE_CAP_INDEP_BLEND_ENABLE:
 257         case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
 258         case PIPE_CAP_DEPTH_CLAMP:
 259         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 260                 return 1;
 261
 262         /* Unsupported features (boolean caps). */
 263         case PIPE_CAP_TIMER_QUERY:
 264         case PIPE_CAP_STREAM_OUTPUT:
 265         case PIPE_CAP_INDEP_BLEND_FUNC: /* FIXME allow this */
 266                 return 0;
 267
 268         /* Texturing. */
 269         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 270         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 271         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 272                 return 14;
 273         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 274                 /* FIXME allow this once infrastructure is there */
 275                 return 16;
 276         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 277         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 278                 return 16;
 279
 280         /* Render targets. */
 281         case PIPE_CAP_MAX_RENDER_TARGETS:
 282                 /* FIXME some r6xx are buggy and can only do 4 */
 283                 return 8;
 284
 285         /* Fragment coordinate conventions. */
 286         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 287         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 288                 return 1;
 289         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 290         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 291                 return 0;
 292
 293         default:
 294                 R600_ERR("r600: unknown param %d\n", param);
 295                 return 0;
 296         }
 297 }
 298
 299 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 300 {
 301         switch (param) {
 302         case PIPE_CAP_MAX_LINE_WIDTH:
 303         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 304         case PIPE_CAP_MAX_POINT_WIDTH:
 305         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 306                 return 8192.0f;
 307         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 308                 return 16.0f;
 309         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 310                 return 16.0f;
 311         default:
 312                 R600_ERR("r600: unsupported paramf %d\n", param);
 313                 return 0.0f;
 314         }
 315 }
 316
 317 static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
 318 {
 319         switch(shader)
 320         {
 321         case PIPE_SHADER_FRAGMENT:
 322         case PIPE_SHADER_VERTEX:
 323                 break;
 324         case PIPE_SHADER_GEOMETRY:
 325                 /* TODO: support and enable geometry programs */
 326                 return 0;
 327         default:
 328                 /* TODO: support tessellation on Evergreen */
 329                 return 0;
 330         }
 331
 332         /* TODO: all these should be fixed, since r600 surely supports much more! */
 333         switch (param) {
 334         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 335         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 336         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 337         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 338                 return 16384;
 339         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 340                 return 8; /* FIXME */
 341         case PIPE_SHADER_CAP_MAX_INPUTS:
 342                 if(shader == PIPE_SHADER_FRAGMENT)
 343                         return 10;
 344                 else
 345                         return 16;
 346         case PIPE_SHADER_CAP_MAX_TEMPS:
 347                 return 256; //max native temporaries
 348         case PIPE_SHADER_CAP_MAX_ADDRS:
 349                 return 1; //max native address registers/* FIXME Isn't this equal to TEMPS? */
 350         case PIPE_SHADER_CAP_MAX_CONSTS:
 351                 return 256; //max native parameters
 352         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 353                 return 1;
 354         case PIPE_SHADER_CAP_MAX_PREDS:
 355                 return 0; /* FIXME */
 356         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 357                 return 1;
 358         default:
 359                 return 0;
 360         }
 361 }
 362
 363 static boolean r600_is_format_supported(struct pipe_screen* screen,
 364                                         enum pipe_format format,
 365                                         enum pipe_texture_target target,
 366                                         unsigned sample_count,
 367                                         unsigned usage,
 368                                         unsigned geom_flags)
 369 {
 370         unsigned retval = 0;
 371         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 372                 R600_ERR("r600: unsupported texture type %d\n", target);
 373                 return FALSE;
 374         }
 375
 376         /* Multisample */
 377         if (sample_count > 1)
 378                 return FALSE;
 379
 380         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 381             r600_is_sampler_format_supported(format)) {
 382                 retval |= PIPE_BIND_SAMPLER_VIEW;
 383         }
 384
 385         if ((usage & (PIPE_BIND_RENDER_TARGET |
 386                   PIPE_BIND_DISPLAY_TARGET |
 387                   PIPE_BIND_SCANOUT |
 388                   PIPE_BIND_SHARED)) &&
 389             r600_is_colorbuffer_format_supported(format)) {
 390                 retval |= usage &
 391                         (PIPE_BIND_RENDER_TARGET |
 392                          PIPE_BIND_DISPLAY_TARGET |
 393                          PIPE_BIND_SCANOUT |
 394                          PIPE_BIND_SHARED);
 395         }
 396
 397         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 398             r600_is_zs_format_supported(format)) {
 399                 retval |= PIPE_BIND_DEPTH_STENCIL;
 400         }
 401
 402         if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
 403             r600_is_vertex_format_supported(format))
 404                 retval |= PIPE_BIND_VERTEX_BUFFER;
 405
 406         if (usage & PIPE_BIND_TRANSFER_READ)
 407                 retval |= PIPE_BIND_TRANSFER_READ;
 408         if (usage & PIPE_BIND_TRANSFER_WRITE)
 409                 retval |= PIPE_BIND_TRANSFER_WRITE;
 410
 411         return retval == usage;
 412 }
 413
 414 static void r600_destroy_screen(struct pipe_screen* pscreen)
 415 {
 416         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 417
 418         if (rscreen == NULL)
 419                 return;
 420         FREE(rscreen);
 421 }
 422
 423
 424 struct pipe_screen *r600_screen_create(struct radeon *radeon)
 425 {
 426         struct r600_screen *rscreen;
 427
 428         rscreen = CALLOC_STRUCT(r600_screen);
 429         if (rscreen == NULL) {
 430                 return NULL;
 431         }
 432
 433         rscreen->radeon = radeon;
 434         rscreen->screen.winsys = (struct pipe_winsys*)radeon;
 435         rscreen->screen.destroy = r600_destroy_screen;
 436         rscreen->screen.get_name = r600_get_name;
 437         rscreen->screen.get_vendor = r600_get_vendor;
 438         rscreen->screen.get_param = r600_get_param;
 439         rscreen->screen.get_shader_param = r600_get_shader_param;
 440         rscreen->screen.get_paramf = r600_get_paramf;
 441         rscreen->screen.is_format_supported = r600_is_format_supported;
 442         rscreen->screen.context_create = r600_create_context;
 443         r600_init_screen_texture_functions(&rscreen->screen);
 444         r600_init_screen_resource_functions(&rscreen->screen);
 445
 446         rscreen->tiling_info = r600_get_tiling_info(radeon);
 447
 448         return &rscreen->screen;
 449 }