src/mesa/drivers/dri/i965/intel_tex_image.c

   1
   2 #include "main/glheader.h"
   3 #include "main/macros.h"
   4 #include "main/mtypes.h"
   5 #include "main/enums.h"
   6 #include "main/bufferobj.h"
   7 #include "main/context.h"
   8 #include "main/formats.h"
   9 #include "main/image.h"
  10 #include "main/pbo.h"
  11 #include "main/renderbuffer.h"
  12 #include "main/texcompress.h"
  13 #include "main/texgetimage.h"
  14 #include "main/texobj.h"
  15 #include "main/teximage.h"
  16 #include "main/texstore.h"
  17
  18 #include "drivers/common/meta.h"
  19
  20 #include "intel_mipmap_tree.h"
  21 #include "intel_buffer_objects.h"
  22 #include "intel_batchbuffer.h"
  23 #include "intel_tex.h"
  24 #include "intel_blit.h"
  25 #include "intel_fbo.h"
  26 #include "intel_image.h"
  27
  28 #include "brw_context.h"
  29
  30 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
  31
  32 /* Work back from the specified level of the image to the baselevel and create a
  33  * miptree of that size.
  34  */
  35 struct intel_mipmap_tree *
  36 intel_miptree_create_for_teximage(struct brw_context *brw,
  37                                   struct intel_texture_object *intelObj,
  38                                   struct intel_texture_image *intelImage,
  39                                   bool expect_accelerated_upload)
  40 {
  41    GLuint lastLevel;
  42    int width, height, depth;
  43    GLuint i;
  44
  45    intel_miptree_get_dimensions_for_image(&intelImage->base.Base,
  46                                           &width, &height, &depth);
  47
  48    DBG("%s\n", __FUNCTION__);
  49
  50    /* Figure out image dimensions at start level. */
  51    for (i = intelImage->base.Base.Level; i > 0; i--) {
  52       width <<= 1;
  53       if (height != 1)
  54          height <<= 1;
  55       if (depth != 1)
  56          depth <<= 1;
  57    }
  58
  59    /* Guess a reasonable value for lastLevel.  This is probably going
  60     * to be wrong fairly often and might mean that we have to look at
  61     * resizable buffers, or require that buffers implement lazy
  62     * pagetable arrangements.
  63     */
  64    if ((intelObj->base.Sampler.MinFilter == GL_NEAREST ||
  65         intelObj->base.Sampler.MinFilter == GL_LINEAR) &&
  66        intelImage->base.Base.Level == 0 &&
  67        !intelObj->base.GenerateMipmap) {
  68       lastLevel = 0;
  69    } else {
  70       lastLevel = _mesa_get_tex_max_num_levels(intelObj->base.Target,
  71                                                width, height, depth) - 1;
  72    }
  73
  74    return intel_miptree_create(brw,
  75                                intelObj->base.Target,
  76                                intelImage->base.Base.TexFormat,
  77                                0,
  78                                lastLevel,
  79                                width,
  80                                height,
  81                                depth,
  82                                expect_accelerated_upload,
  83                                intelImage->base.Base.NumSamples,
  84                                INTEL_MIPTREE_TILING_ANY,
  85                                false);
  86 }
  87
  88 /* XXX: Do this for TexSubImage also:
  89  */
  90 static bool
  91 try_pbo_upload(struct gl_context *ctx,
  92                struct gl_texture_image *image,
  93                const struct gl_pixelstore_attrib *unpack,
  94                GLenum format, GLenum type, const void *pixels)
  95 {
  96    struct intel_texture_image *intelImage = intel_texture_image(image);
  97    struct brw_context *brw = brw_context(ctx);
  98    struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj);
  99    GLuint src_offset;
 100    drm_intel_bo *src_buffer;
 101
 102    if (!_mesa_is_bufferobj(unpack->BufferObj))
 103       return false;
 104
 105    DBG("trying pbo upload\n");
 106
 107    if (ctx->_ImageTransferState || unpack->SkipPixels || unpack->SkipRows) {
 108       DBG("%s: image transfer\n", __FUNCTION__);
 109       return false;
 110    }
 111
 112    ctx->Driver.AllocTextureImageBuffer(ctx, image);
 113
 114    if (!intelImage->mt) {
 115       DBG("%s: no miptree\n", __FUNCTION__);
 116       return false;
 117    }
 118
 119    if (!_mesa_format_matches_format_and_type(intelImage->mt->format,
 120                                              format, type, false)) {
 121       DBG("%s: format mismatch (upload to %s with format 0x%x, type 0x%x)\n",
 122           __FUNCTION__, _mesa_get_format_name(intelImage->mt->format),
 123           format, type);
 124       return false;
 125    }
 126
 127    if (image->TexObject->Target == GL_TEXTURE_1D_ARRAY ||
 128        image->TexObject->Target == GL_TEXTURE_2D_ARRAY) {
 129       DBG("%s: no support for array textures\n", __FUNCTION__);
 130       return false;
 131    }
 132
 133    int src_stride =
 134       _mesa_image_row_stride(unpack, image->Width, format, type);
 135
 136    /* note: potential 64-bit ptr to 32-bit int cast */
 137    src_offset = (GLuint) (unsigned long) pixels;
 138    src_buffer = intel_bufferobj_buffer(brw, pbo,
 139                                        src_offset, src_stride * image->Height);
 140
 141    struct intel_mipmap_tree *pbo_mt =
 142       intel_miptree_create_for_bo(brw,
 143                                   src_buffer,
 144                                   intelImage->mt->format,
 145                                   src_offset,
 146                                   image->Width, image->Height,
 147                                   src_stride);
 148    if (!pbo_mt)
 149       return false;
 150
 151    if (!intel_miptree_blit(brw,
 152                            pbo_mt, 0, 0,
 153                            0, 0, false,
 154                            intelImage->mt, image->Level, image->Face,
 155                            0, 0, false,
 156                            image->Width, image->Height, GL_COPY)) {
 157       DBG("%s: blit failed\n", __FUNCTION__);
 158       intel_miptree_release(&pbo_mt);
 159       return false;
 160    }
 161
 162    intel_miptree_release(&pbo_mt);
 163
 164    DBG("%s: success\n", __FUNCTION__);
 165    return true;
 166 }
 167
 168 static void
 169 intelTexImage(struct gl_context * ctx,
 170               GLuint dims,
 171               struct gl_texture_image *texImage,
 172               GLenum format, GLenum type, const void *pixels,
 173               const struct gl_pixelstore_attrib *unpack)
 174 {
 175    bool ok;
 176
 177    DBG("%s mesa_format %s target %s format %s type %s level %d %dx%dx%d\n",
 178        __FUNCTION__, _mesa_get_format_name(texImage->TexFormat),
 179        _mesa_lookup_enum_by_nr(texImage->TexObject->Target),
 180        _mesa_lookup_enum_by_nr(format), _mesa_lookup_enum_by_nr(type),
 181        texImage->Level, texImage->Width, texImage->Height, texImage->Depth);
 182
 183    ok = intel_texsubimage_tiled_memcpy(ctx, dims, texImage,
 184                                        0, 0, 0, /*x,y,z offsets*/
 185                                        texImage->Width,
 186                                        texImage->Height,
 187                                        texImage->Depth,
 188                                        format, type, pixels, unpack,
 189                                        true /*for_glTexImage*/);
 190    if (ok)
 191       return;
 192
 193    /* Attempt to use the blitter for PBO image uploads.
 194     */
 195    if (dims <= 2 &&
 196        try_pbo_upload(ctx, texImage, unpack, format, type, pixels)) {
 197       return;
 198    }
 199
 200    DBG("%s: upload image %dx%dx%d pixels %p\n",
 201        __FUNCTION__, texImage->Width, texImage->Height, texImage->Depth,
 202        pixels);
 203
 204    _mesa_store_teximage(ctx, dims, texImage,
 205                         format, type, pixels, unpack);
 206 }
 207
 208
 209 /**
 210  * Binds a BO to a texture image, as if it was uploaded by glTexImage2D().
 211  *
 212  * Used for GLX_EXT_texture_from_pixmap and EGL image extensions,
 213  */
 214 static void
 215 intel_set_texture_image_bo(struct gl_context *ctx,
 216                            struct gl_texture_image *image,
 217                            drm_intel_bo *bo,
 218                            GLenum target,
 219                            GLenum internalFormat,
 220                            mesa_format format,
 221                            uint32_t offset,
 222                            GLuint width, GLuint height,
 223                            GLuint pitch,
 224                            GLuint tile_x, GLuint tile_y)
 225 {
 226    struct brw_context *brw = brw_context(ctx);
 227    struct intel_texture_image *intel_image = intel_texture_image(image);
 228    struct gl_texture_object *texobj = image->TexObject;
 229    struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
 230    uint32_t draw_x, draw_y;
 231
 232    _mesa_init_teximage_fields(&brw->ctx, image,
 233                               width, height, 1,
 234                               0, internalFormat, format);
 235
 236    ctx->Driver.FreeTextureImageBuffer(ctx, image);
 237
 238    intel_image->mt = intel_miptree_create_for_bo(brw, bo, image->TexFormat,
 239                                                  0, width, height, pitch);
 240    if (intel_image->mt == NULL)
 241        return;
 242    intel_image->mt->target = target;
 243    intel_image->mt->total_width = width;
 244    intel_image->mt->total_height = height;
 245    intel_image->mt->level[0].slice[0].x_offset = tile_x;
 246    intel_image->mt->level[0].slice[0].y_offset = tile_y;
 247
 248    intel_miptree_get_tile_offsets(intel_image->mt, 0, 0, &draw_x, &draw_y);
 249
 250    /* From "OES_EGL_image" error reporting. We report GL_INVALID_OPERATION
 251     * for EGL images from non-tile aligned sufaces in gen4 hw and earlier which has
 252     * trouble resolving back to destination image due to alignment issues.
 253     */
 254    if (!brw->has_surface_tile_offset &&
 255        (draw_x != 0 || draw_y != 0)) {
 256       _mesa_error(ctx, GL_INVALID_OPERATION, __func__);
 257       intel_miptree_release(&intel_image->mt);
 258       return;
 259    }
 260
 261    intel_texobj->needs_validate = true;
 262
 263    intel_image->mt->offset = offset;
 264    assert(pitch % intel_image->mt->cpp == 0);
 265    intel_image->base.RowStride = pitch / intel_image->mt->cpp;
 266
 267    /* Immediately validate the image to the object. */
 268    intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
 269 }
 270
 271 void
 272 intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
 273                    GLint texture_format,
 274                    __DRIdrawable *dPriv)
 275 {
 276    struct gl_framebuffer *fb = dPriv->driverPrivate;
 277    struct brw_context *brw = pDRICtx->driverPrivate;
 278    struct gl_context *ctx = &brw->ctx;
 279    struct intel_renderbuffer *rb;
 280    struct gl_texture_object *texObj;
 281    struct gl_texture_image *texImage;
 282    int level = 0, internalFormat = 0;
 283    mesa_format texFormat = MESA_FORMAT_NONE;
 284
 285    texObj = _mesa_get_current_tex_object(ctx, target);
 286
 287    if (!texObj)
 288       return;
 289
 290    if (dPriv->lastStamp != dPriv->dri2.stamp ||
 291        !pDRICtx->driScreenPriv->dri2.useInvalidate)
 292       intel_update_renderbuffers(pDRICtx, dPriv);
 293
 294    rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
 295    /* If the miptree isn't set, then intel_update_renderbuffers was unable
 296     * to get the BO for the drawable from the window system.
 297     */
 298    if (!rb || !rb->mt)
 299       return;
 300
 301    if (rb->mt->cpp == 4) {
 302       if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
 303          internalFormat = GL_RGB;
 304          texFormat = MESA_FORMAT_B8G8R8X8_UNORM;
 305       }
 306       else {
 307          internalFormat = GL_RGBA;
 308          texFormat = MESA_FORMAT_B8G8R8A8_UNORM;
 309       }
 310    } else if (rb->mt->cpp == 2) {
 311       internalFormat = GL_RGB;
 312       texFormat = MESA_FORMAT_B5G6R5_UNORM;
 313    }
 314
 315    _mesa_lock_texture(&brw->ctx, texObj);
 316    texImage = _mesa_get_tex_image(ctx, texObj, target, level);
 317    intel_miptree_make_shareable(brw, rb->mt);
 318    intel_set_texture_image_bo(ctx, texImage, rb->mt->bo, target,
 319                               internalFormat, texFormat, 0,
 320                               rb->Base.Base.Width,
 321                               rb->Base.Base.Height,
 322                               rb->mt->pitch,
 323                               0, 0);
 324    _mesa_unlock_texture(&brw->ctx, texObj);
 325 }
 326
 327 static GLboolean
 328 intel_bind_renderbuffer_tex_image(struct gl_context *ctx,
 329                                   struct gl_renderbuffer *rb,
 330                                   struct gl_texture_image *image)
 331 {
 332    struct intel_renderbuffer *irb = intel_renderbuffer(rb);
 333    struct intel_texture_image *intel_image = intel_texture_image(image);
 334    struct gl_texture_object *texobj = image->TexObject;
 335    struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
 336
 337    /* We can only handle RB allocated with AllocRenderbufferStorage, or
 338     * window-system renderbuffers.
 339     */
 340    assert(!rb->TexImage);
 341
 342    if (!irb->mt)
 343       return false;
 344
 345    _mesa_lock_texture(ctx, texobj);
 346    _mesa_init_teximage_fields(ctx, image,
 347                               rb->Width, rb->Height, 1,
 348                               0, rb->InternalFormat, rb->Format);
 349    image->NumSamples = rb->NumSamples;
 350
 351    intel_miptree_reference(&intel_image->mt, irb->mt);
 352
 353    /* Immediately validate the image to the object. */
 354    intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
 355
 356    intel_texobj->needs_validate = true;
 357    _mesa_unlock_texture(ctx, texobj);
 358
 359    return true;
 360 }
 361
 362 void
 363 intelSetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
 364 {
 365    /* The old interface didn't have the format argument, so copy our
 366     * implementation's behavior at the time.
 367     */
 368    intelSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
 369 }
 370
 371 static void
 372 intel_image_target_texture_2d(struct gl_context *ctx, GLenum target,
 373                               struct gl_texture_object *texObj,
 374                               struct gl_texture_image *texImage,
 375                               GLeglImageOES image_handle)
 376 {
 377    struct brw_context *brw = brw_context(ctx);
 378    __DRIscreen *screen;
 379    __DRIimage *image;
 380
 381    screen = brw->intelScreen->driScrnPriv;
 382    image = screen->dri2.image->lookupEGLImage(screen, image_handle,
 383                                               screen->loaderPrivate);
 384    if (image == NULL)
 385       return;
 386
 387    /**
 388     * Images originating via EGL_EXT_image_dma_buf_import can be used only
 389     * with GL_OES_EGL_image_external only.
 390     */
 391    if (image->dma_buf_imported && target != GL_TEXTURE_EXTERNAL_OES) {
 392       _mesa_error(ctx, GL_INVALID_OPERATION,
 393             "glEGLImageTargetTexture2DOES(dma buffers can be used with "
 394                "GL_OES_EGL_image_external only");
 395       return;
 396    }
 397
 398    if (target == GL_TEXTURE_EXTERNAL_OES && !image->dma_buf_imported) {
 399       _mesa_error(ctx, GL_INVALID_OPERATION,
 400             "glEGLImageTargetTexture2DOES(external target is enabled only "
 401                "for images created with EGL_EXT_image_dma_buf_import");
 402       return;
 403    }
 404
 405    /* Disallow depth/stencil textures: we don't have a way to pass the
 406     * separate stencil miptree of a GL_DEPTH_STENCIL texture through.
 407     */
 408    if (image->has_depthstencil) {
 409       _mesa_error(ctx, GL_INVALID_OPERATION, __func__);
 410       return;
 411    }
 412
 413    intel_set_texture_image_bo(ctx, texImage, image->bo,
 414                               target, image->internal_format,
 415                               image->format, image->offset,
 416                               image->width,  image->height,
 417                               image->pitch,
 418                               image->tile_x, image->tile_y);
 419 }
 420
 421 static bool
 422 blit_texture_to_pbo(struct gl_context *ctx,
 423                     GLenum format, GLenum type,
 424                     GLvoid * pixels, struct gl_texture_image *texImage)
 425 {
 426    struct intel_texture_image *intelImage = intel_texture_image(texImage);
 427    struct brw_context *brw = brw_context(ctx);
 428    const struct gl_pixelstore_attrib *pack = &ctx->Pack;
 429    struct intel_buffer_object *dst = intel_buffer_object(pack->BufferObj);
 430    GLuint dst_offset;
 431    drm_intel_bo *dst_buffer;
 432    GLenum target = texImage->TexObject->Target;
 433
 434    /* Check if we can use GPU blit to copy from the hardware texture
 435     * format to the user's format/type.
 436     * Note that GL's pixel transfer ops don't apply to glGetTexImage()
 437     */
 438
 439    if (!_mesa_format_matches_format_and_type(intelImage->mt->format, format,
 440                                              type, false))
 441    {
 442       perf_debug("%s: unsupported format, fallback to CPU mapping for PBO\n",
 443                  __FUNCTION__);
 444
 445       return false;
 446    }
 447
 448    if (ctx->_ImageTransferState) {
 449       perf_debug("%s: bad transfer state, fallback to CPU mapping for PBO\n",
 450                  __FUNCTION__);
 451       return false;
 452    }
 453
 454    if (pack->SwapBytes || pack->LsbFirst) {
 455       perf_debug("%s: unsupported pack swap params\n",
 456                  __FUNCTION__);
 457       return false;
 458    }
 459
 460    if (target == GL_TEXTURE_1D_ARRAY ||
 461        target == GL_TEXTURE_2D_ARRAY ||
 462        target == GL_TEXTURE_CUBE_MAP_ARRAY ||
 463        target == GL_TEXTURE_3D) {
 464       perf_debug("%s: no support for multiple slices, fallback to CPU mapping "
 465                  "for PBO\n", __FUNCTION__);
 466       return false;
 467    }
 468
 469    int dst_stride = _mesa_image_row_stride(pack, texImage->Width, format, type);
 470    bool dst_flip = false;
 471    /* Mesa flips the dst_stride for ctx->Pack.Invert, our mt must have a
 472     * normal dst_stride.
 473     */
 474    struct gl_pixelstore_attrib uninverted_pack = *pack;
 475    if (ctx->Pack.Invert) {
 476       dst_stride = -dst_stride;
 477       dst_flip = true;
 478       uninverted_pack.Invert = false;
 479    }
 480    dst_offset = (GLintptr) pixels;
 481    dst_offset += _mesa_image_offset(2, &uninverted_pack, texImage->Width,
 482                                     texImage->Height, format, type, 0, 0, 0);
 483    dst_buffer = intel_bufferobj_buffer(brw, dst, dst_offset,
 484                                        texImage->Height * dst_stride);
 485
 486    struct intel_mipmap_tree *pbo_mt =
 487       intel_miptree_create_for_bo(brw,
 488                                   dst_buffer,
 489                                   intelImage->mt->format,
 490                                   dst_offset,
 491                                   texImage->Width, texImage->Height,
 492                                   dst_stride);
 493
 494    if (!pbo_mt)
 495       return false;
 496
 497    if (!intel_miptree_blit(brw,
 498                            intelImage->mt, texImage->Level, texImage->Face,
 499                            0, 0, false,
 500                            pbo_mt, 0, 0,
 501                            0, 0, dst_flip,
 502                            texImage->Width, texImage->Height, GL_COPY))
 503       return false;
 504
 505    intel_miptree_release(&pbo_mt);
 506
 507    return true;
 508 }
 509
 510 static void
 511 intel_get_tex_image(struct gl_context *ctx,
 512                     GLenum format, GLenum type, GLvoid *pixels,
 513                     struct gl_texture_image *texImage) {
 514    DBG("%s\n", __FUNCTION__);
 515
 516    if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
 517       /* Using PBOs, so try the BLT based path. */
 518       if (blit_texture_to_pbo(ctx, format, type, pixels, texImage))
 519          return;
 520
 521    }
 522
 523    _mesa_meta_GetTexImage(ctx, format, type, pixels, texImage);
 524
 525    DBG("%s - DONE\n", __FUNCTION__);
 526 }
 527
 528 void
 529 intelInitTextureImageFuncs(struct dd_function_table *functions)
 530 {
 531    functions->TexImage = intelTexImage;
 532    functions->EGLImageTargetTexture2D = intel_image_target_texture_2d;
 533    functions->BindRenderbufferTexImage = intel_bind_renderbuffer_tex_image;
 534    functions->GetTexImage = intel_get_tex_image;
 535 }