src/gallium/drivers/svga/svga_screen.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "util/u_memory.h"
  27 #include "pipe/p_inlines.h"
  28 #include "util/u_string.h"
  29 #include "util/u_math.h"
  30
  31 #include "svga_winsys.h"
  32 #include "svga_context.h"
  33 #include "svga_screen.h"
  34 #include "svga_screen_texture.h"
  35 #include "svga_screen_buffer.h"
  36 #include "svga_cmd.h"
  37 #include "svga_debug.h"
  38
  39 #include "svga_hw_reg.h"
  40 #include "svga3d_shaderdefs.h"
  41
  42
  43 #ifdef DEBUG
  44 int SVGA_DEBUG = 0;
  45
  46 static const struct debug_named_value svga_debug_flags[] = {
  47    { "dma",      DEBUG_DMA },
  48    { "tgsi",     DEBUG_TGSI },
  49    { "pipe",     DEBUG_PIPE },
  50    { "state",    DEBUG_STATE },
  51    { "screen",   DEBUG_SCREEN },
  52    { "tex",      DEBUG_TEX },
  53    { "swtnl",    DEBUG_SWTNL },
  54    { "const",    DEBUG_CONSTS },
  55    { "viewport", DEBUG_VIEWPORT },
  56    { "views",    DEBUG_VIEWS },
  57    { "perf",     DEBUG_PERF },
  58    { "flush",    DEBUG_FLUSH },
  59    { "sync",     DEBUG_SYNC },
  60    { "cache",    DEBUG_CACHE },
  61    {NULL, 0}
  62 };
  63 #endif
  64
  65 static const char *
  66 svga_get_vendor( struct pipe_screen *pscreen )
  67 {
  68    return "VMware, Inc.";
  69 }
  70
  71
  72 static const char *
  73 svga_get_name( struct pipe_screen *pscreen )
  74 {
  75 #ifdef DEBUG
  76    /* Only return internal details in the DEBUG version:
  77     */
  78    return "SVGA3D; build: DEBUG; mutex: " PIPE_ATOMIC;
  79 #else
  80    return "SVGA3D; build: RELEASE; ";
  81 #endif
  82 }
  83
  84
  85
  86
  87 static float
  88 svga_get_paramf(struct pipe_screen *screen, int param)
  89 {
  90    struct svga_screen *svgascreen = svga_screen(screen);
  91    struct svga_winsys_screen *sws = svgascreen->sws;
  92    SVGA3dDevCapResult result;
  93
  94    switch (param) {
  95    case PIPE_CAP_MAX_LINE_WIDTH:
  96       /* fall-through */
  97    case PIPE_CAP_MAX_LINE_WIDTH_AA:
  98       return 7.0;
  99
 100    case PIPE_CAP_MAX_POINT_WIDTH:
 101       /* fall-through */
 102    case PIPE_CAP_MAX_POINT_WIDTH_AA:
 103       /* Keep this to a reasonable size to avoid failures in
 104        * conform/pntaa.c:
 105        */
 106       return 80.0;
 107
 108    case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 109       return 4.0;
 110
 111    case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 112       return 16.0;
 113
 114    case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 115       return 16;
 116    case PIPE_CAP_NPOT_TEXTURES:
 117       return 1;
 118    case PIPE_CAP_TWO_SIDED_STENCIL:
 119       return 1;
 120    case PIPE_CAP_GLSL:
 121       return svgascreen->use_ps30 && svgascreen->use_vs30;
 122    case PIPE_CAP_ANISOTROPIC_FILTER:
 123       return 1;
 124    case PIPE_CAP_POINT_SPRITE:
 125       return 1;
 126    case PIPE_CAP_MAX_RENDER_TARGETS:
 127       if(!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_RENDER_TARGETS, &result))
 128          return 1;
 129       if(!result.u)
 130          return 1;
 131       return MIN2(result.u, PIPE_MAX_COLOR_BUFS);
 132    case PIPE_CAP_OCCLUSION_QUERY:
 133       return 1;
 134    case PIPE_CAP_TEXTURE_SHADOW_MAP:
 135       return 1;
 136    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 137       return SVGA_MAX_TEXTURE_LEVELS;
 138    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 139       return 8;  /* max 128x128x128 */
 140    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 141       return SVGA_MAX_TEXTURE_LEVELS;
 142
 143    case PIPE_CAP_TEXTURE_MIRROR_REPEAT: /* req. for GL 1.4 */
 144       return 1;
 145
 146    case PIPE_CAP_BLEND_EQUATION_SEPARATE: /* req. for GL 1.5 */
 147       return 1;
 148
 149    default:
 150       return 0;
 151    }
 152 }
 153
 154
 155 /* This is a fairly pointless interface
 156  */
 157 static int
 158 svga_get_param(struct pipe_screen *screen, int param)
 159 {
 160    return (int) svga_get_paramf( screen, param );
 161 }
 162
 163
 164 static INLINE SVGA3dDevCapIndex
 165 svga_translate_format_cap(enum pipe_format format)
 166 {
 167    switch(format) {
 168
 169    case PIPE_FORMAT_A8R8G8B8_UNORM:
 170       return SVGA3D_DEVCAP_SURFACEFMT_A8R8G8B8;
 171    case PIPE_FORMAT_X8R8G8B8_UNORM:
 172       return SVGA3D_DEVCAP_SURFACEFMT_X8R8G8B8;
 173
 174    case PIPE_FORMAT_R5G6B5_UNORM:
 175       return SVGA3D_DEVCAP_SURFACEFMT_R5G6B5;
 176    case PIPE_FORMAT_A1R5G5B5_UNORM:
 177       return SVGA3D_DEVCAP_SURFACEFMT_A1R5G5B5;
 178    case PIPE_FORMAT_A4R4G4B4_UNORM:
 179       return SVGA3D_DEVCAP_SURFACEFMT_A4R4G4B4;
 180
 181    case PIPE_FORMAT_Z16_UNORM:
 182       return SVGA3D_DEVCAP_SURFACEFMT_Z_D16;
 183    case PIPE_FORMAT_Z24S8_UNORM:
 184       return SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8;
 185    case PIPE_FORMAT_Z24X8_UNORM:
 186       return SVGA3D_DEVCAP_SURFACEFMT_Z_D24X8;
 187
 188    case PIPE_FORMAT_A8_UNORM:
 189       return SVGA3D_DEVCAP_SURFACEFMT_ALPHA8;
 190    case PIPE_FORMAT_L8_UNORM:
 191       return SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8;
 192
 193    case PIPE_FORMAT_DXT1_RGB:
 194    case PIPE_FORMAT_DXT1_RGBA:
 195       return SVGA3D_DEVCAP_SURFACEFMT_DXT1;
 196    case PIPE_FORMAT_DXT3_RGBA:
 197       return SVGA3D_DEVCAP_SURFACEFMT_DXT3;
 198    case PIPE_FORMAT_DXT5_RGBA:
 199       return SVGA3D_DEVCAP_SURFACEFMT_DXT5;
 200
 201    default:
 202       return SVGA3D_DEVCAP_MAX;
 203    }
 204 }
 205
 206
 207 static boolean
 208 svga_is_format_supported( struct pipe_screen *screen,
 209                           enum pipe_format format,
 210                           enum pipe_texture_target target,
 211                           unsigned tex_usage,
 212                           unsigned geom_flags )
 213 {
 214    struct svga_winsys_screen *sws = svga_screen(screen)->sws;
 215    SVGA3dDevCapIndex index;
 216    SVGA3dDevCapResult result;
 217
 218    assert(tex_usage);
 219
 220    /* Override host capabilities */
 221    if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
 222       switch(format) {
 223
 224       /* Often unsupported/problematic. This means we end up with the same
 225        * visuals for all virtual hardware implementations.
 226        */
 227       case PIPE_FORMAT_A4R4G4B4_UNORM:
 228       case PIPE_FORMAT_A1R5G5B5_UNORM:
 229          return FALSE;
 230
 231       /* Simulate ability to render into compressed textures */
 232       case PIPE_FORMAT_DXT1_RGB:
 233       case PIPE_FORMAT_DXT1_RGBA:
 234       case PIPE_FORMAT_DXT3_RGBA:
 235       case PIPE_FORMAT_DXT5_RGBA:
 236          return TRUE;
 237
 238       default:
 239          break;
 240       }
 241    }
 242
 243    /* Try to query the host */
 244    index = svga_translate_format_cap(format);
 245    if( index < SVGA3D_DEVCAP_MAX &&
 246        sws->get_cap(sws, index, &result) )
 247    {
 248       SVGA3dSurfaceFormatCaps mask;
 249
 250       mask.value = 0;
 251       if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET)
 252          mask.offscreenRenderTarget = 1;
 253       if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL)
 254          mask.zStencil = 1;
 255       if (tex_usage & PIPE_TEXTURE_USAGE_SAMPLER)
 256          mask.texture = 1;
 257
 258       if ((result.u & mask.value) == mask.value)
 259          return TRUE;
 260       else
 261          return FALSE;
 262    }
 263
 264    /* Use our translate functions directly rather than relying on a
 265     * duplicated list of supported formats which is prone to getting
 266     * out of sync:
 267     */
 268    if(tex_usage & (PIPE_TEXTURE_USAGE_RENDER_TARGET | PIPE_TEXTURE_USAGE_DEPTH_STENCIL))
 269       return svga_translate_format_render(format) != SVGA3D_FORMAT_INVALID;
 270    else
 271       return svga_translate_format(format) != SVGA3D_FORMAT_INVALID;
 272 }
 273
 274
 275 static void
 276 svga_fence_reference(struct pipe_screen *screen,
 277                      struct pipe_fence_handle **ptr,
 278                      struct pipe_fence_handle *fence)
 279 {
 280    struct svga_winsys_screen *sws = svga_screen(screen)->sws;
 281    sws->fence_reference(sws, ptr, fence);
 282 }
 283
 284
 285 static int
 286 svga_fence_signalled(struct pipe_screen *screen,
 287                      struct pipe_fence_handle *fence,
 288                      unsigned flag)
 289 {
 290    struct svga_winsys_screen *sws = svga_screen(screen)->sws;
 291    return sws->fence_signalled(sws, fence, flag);
 292 }
 293
 294
 295 static int
 296 svga_fence_finish(struct pipe_screen *screen,
 297                   struct pipe_fence_handle *fence,
 298                   unsigned flag)
 299 {
 300    struct svga_winsys_screen *sws = svga_screen(screen)->sws;
 301
 302    SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s fence_ptr %p\n",
 303             __FUNCTION__, fence);
 304
 305    return sws->fence_finish(sws, fence, flag);
 306 }
 307
 308
 309 static void
 310 svga_destroy_screen( struct pipe_screen *screen )
 311 {
 312    struct svga_screen *svgascreen = svga_screen(screen);
 313
 314    svga_screen_cache_cleanup(svgascreen);
 315
 316    pipe_mutex_destroy(svgascreen->swc_mutex);
 317    pipe_mutex_destroy(svgascreen->tex_mutex);
 318
 319    svgascreen->swc->destroy(svgascreen->swc);
 320
 321    svgascreen->sws->destroy(svgascreen->sws);
 322
 323    FREE(svgascreen);
 324 }
 325
 326
 327 /**
 328  * Create a new svga_screen object
 329  */
 330 struct pipe_screen *
 331 svga_screen_create(struct svga_winsys_screen *sws)
 332 {
 333    struct svga_screen *svgascreen;
 334    struct pipe_screen *screen;
 335    SVGA3dDevCapResult result;
 336
 337 #ifdef DEBUG
 338    SVGA_DEBUG = debug_get_flags_option("SVGA_DEBUG", svga_debug_flags, 0 );
 339 #endif
 340
 341    svgascreen = CALLOC_STRUCT(svga_screen);
 342    if (!svgascreen)
 343       goto error1;
 344
 345    svgascreen->debug.force_level_surface_view =
 346       debug_get_bool_option("SVGA_FORCE_LEVEL_SURFACE_VIEW", FALSE);
 347    svgascreen->debug.force_surface_view =
 348       debug_get_bool_option("SVGA_FORCE_SURFACE_VIEW", FALSE);
 349    svgascreen->debug.force_sampler_view =
 350       debug_get_bool_option("SVGA_FORCE_SAMPLER_VIEW", FALSE);
 351    svgascreen->debug.no_surface_view =
 352       debug_get_bool_option("SVGA_NO_SURFACE_VIEW", FALSE);
 353    svgascreen->debug.no_sampler_view =
 354       debug_get_bool_option("SVGA_NO_SAMPLER_VIEW", FALSE);
 355
 356    screen = &svgascreen->screen;
 357
 358    screen->destroy = svga_destroy_screen;
 359    screen->get_name = svga_get_name;
 360    screen->get_vendor = svga_get_vendor;
 361    screen->get_param = svga_get_param;
 362    screen->get_paramf = svga_get_paramf;
 363    screen->is_format_supported = svga_is_format_supported;
 364    screen->fence_reference = svga_fence_reference;
 365    screen->fence_signalled = svga_fence_signalled;
 366    screen->fence_finish = svga_fence_finish;
 367    svgascreen->sws = sws;
 368
 369    svga_screen_init_texture_functions(screen);
 370    svga_screen_init_buffer_functions(screen);
 371
 372    svgascreen->use_ps30 =
 373       sws->get_cap(sws, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION, &result) &&
 374       result.u >= SVGA3DPSVERSION_30 ? TRUE : FALSE;
 375
 376    svgascreen->use_vs30 =
 377       sws->get_cap(sws, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION, &result) &&
 378       result.u >= SVGA3DVSVERSION_30 ? TRUE : FALSE;
 379
 380 #if 1
 381    /* Shader model 2.0 is unsupported at the moment. */
 382    if(!svgascreen->use_ps30 || !svgascreen->use_vs30)
 383       goto error2;
 384 #else
 385    if(debug_get_bool_option("SVGA_NO_SM30", FALSE))
 386       svgascreen->use_vs30 = svgascreen->use_ps30 = FALSE;
 387 #endif
 388
 389    svgascreen->swc = sws->context_create(sws);
 390    if(!svgascreen->swc)
 391       goto error2;
 392
 393    pipe_mutex_init(svgascreen->tex_mutex);
 394    pipe_mutex_init(svgascreen->swc_mutex);
 395
 396    LIST_INITHEAD(&svgascreen->cached_buffers);
 397
 398    svga_screen_cache_init(svgascreen);
 399
 400    return screen;
 401 error2:
 402    FREE(svgascreen);
 403 error1:
 404    return NULL;
 405 }
 406
 407 void svga_screen_flush( struct svga_screen *svgascreen,
 408                         struct pipe_fence_handle **pfence )
 409 {
 410    struct pipe_fence_handle *fence = NULL;
 411
 412    SVGA_DBG(DEBUG_PERF, "%s\n", __FUNCTION__);
 413
 414    pipe_mutex_lock(svgascreen->swc_mutex);
 415    svgascreen->swc->flush(svgascreen->swc, &fence);
 416    pipe_mutex_unlock(svgascreen->swc_mutex);
 417
 418    svga_screen_cache_flush(svgascreen, fence);
 419
 420    if(pfence)
 421       *pfence = fence;
 422    else
 423       svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
 424 }
 425
 426 struct svga_winsys_screen *
 427 svga_winsys_screen(struct pipe_screen *screen)
 428 {
 429    return svga_screen(screen)->sws;
 430 }
 431
 432 #ifdef DEBUG
 433 struct svga_screen *
 434 svga_screen(struct pipe_screen *screen)
 435 {
 436    assert(screen);
 437    assert(screen->destroy == svga_destroy_screen);
 438    return (struct svga_screen *)screen;
 439 }
 440 #endif