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