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 static void
  89 intelTexImage(struct gl_context * ctx,
  90               GLuint dims,
  91               struct gl_texture_image *texImage,
  92               GLenum format, GLenum type, const void *pixels,
  93               const struct gl_pixelstore_attrib *unpack)
  94 {
  95    struct intel_texture_image *intelImage = intel_texture_image(texImage);
  96    bool ok;
  97
  98    bool tex_busy = intelImage->mt && drm_intel_bo_busy(intelImage->mt->bo);
  99
 100    DBG("%s mesa_format %s target %s format %s type %s level %d %dx%dx%d\n",
 101        __FUNCTION__, _mesa_get_format_name(texImage->TexFormat),
 102        _mesa_lookup_enum_by_nr(texImage->TexObject->Target),
 103        _mesa_lookup_enum_by_nr(format), _mesa_lookup_enum_by_nr(type),
 104        texImage->Level, texImage->Width, texImage->Height, texImage->Depth);
 105
 106    ok = _mesa_meta_pbo_TexSubImage(ctx, dims, texImage, 0, 0, 0,
 107                                    texImage->Width, texImage->Height,
 108                                    texImage->Depth,
 109                                    format, type, pixels,
 110                                    true, tex_busy, unpack);
 111    if (ok)
 112       return;
 113
 114    ok = intel_texsubimage_tiled_memcpy(ctx, dims, texImage,
 115                                        0, 0, 0, /*x,y,z offsets*/
 116                                        texImage->Width,
 117                                        texImage->Height,
 118                                        texImage->Depth,
 119                                        format, type, pixels, unpack,
 120                                        true /*for_glTexImage*/);
 121    if (ok)
 122       return;
 123
 124    DBG("%s: upload image %dx%dx%d pixels %p\n",
 125        __FUNCTION__, texImage->Width, texImage->Height, texImage->Depth,
 126        pixels);
 127
 128    _mesa_store_teximage(ctx, dims, texImage,
 129                         format, type, pixels, unpack);
 130 }
 131
 132
 133 /**
 134  * Binds a BO to a texture image, as if it was uploaded by glTexImage2D().
 135  *
 136  * Used for GLX_EXT_texture_from_pixmap and EGL image extensions,
 137  */
 138 static void
 139 intel_set_texture_image_bo(struct gl_context *ctx,
 140                            struct gl_texture_image *image,
 141                            drm_intel_bo *bo,
 142                            GLenum target,
 143                            GLenum internalFormat,
 144                            mesa_format format,
 145                            uint32_t offset,
 146                            GLuint width, GLuint height,
 147                            GLuint pitch,
 148                            GLuint tile_x, GLuint tile_y)
 149 {
 150    struct brw_context *brw = brw_context(ctx);
 151    struct intel_texture_image *intel_image = intel_texture_image(image);
 152    struct gl_texture_object *texobj = image->TexObject;
 153    struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
 154    uint32_t draw_x, draw_y;
 155
 156    _mesa_init_teximage_fields(&brw->ctx, image,
 157                               width, height, 1,
 158                               0, internalFormat, format);
 159
 160    ctx->Driver.FreeTextureImageBuffer(ctx, image);
 161
 162    intel_image->mt = intel_miptree_create_for_bo(brw, bo, image->TexFormat,
 163                                                  0, width, height, 1, pitch);
 164    if (intel_image->mt == NULL)
 165        return;
 166    intel_image->mt->target = target;
 167    intel_image->mt->total_width = width;
 168    intel_image->mt->total_height = height;
 169    intel_image->mt->level[0].slice[0].x_offset = tile_x;
 170    intel_image->mt->level[0].slice[0].y_offset = tile_y;
 171
 172    intel_miptree_get_tile_offsets(intel_image->mt, 0, 0, &draw_x, &draw_y);
 173
 174    /* From "OES_EGL_image" error reporting. We report GL_INVALID_OPERATION
 175     * for EGL images from non-tile aligned sufaces in gen4 hw and earlier which has
 176     * trouble resolving back to destination image due to alignment issues.
 177     */
 178    if (!brw->has_surface_tile_offset &&
 179        (draw_x != 0 || draw_y != 0)) {
 180       _mesa_error(ctx, GL_INVALID_OPERATION, __func__);
 181       intel_miptree_release(&intel_image->mt);
 182       return;
 183    }
 184
 185    intel_texobj->needs_validate = true;
 186
 187    intel_image->mt->offset = offset;
 188    assert(pitch % intel_image->mt->cpp == 0);
 189    intel_image->base.RowStride = pitch / intel_image->mt->cpp;
 190
 191    /* Immediately validate the image to the object. */
 192    intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
 193 }
 194
 195 void
 196 intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
 197                    GLint texture_format,
 198                    __DRIdrawable *dPriv)
 199 {
 200    struct gl_framebuffer *fb = dPriv->driverPrivate;
 201    struct brw_context *brw = pDRICtx->driverPrivate;
 202    struct gl_context *ctx = &brw->ctx;
 203    struct intel_renderbuffer *rb;
 204    struct gl_texture_object *texObj;
 205    struct gl_texture_image *texImage;
 206    int level = 0, internalFormat = 0;
 207    mesa_format texFormat = MESA_FORMAT_NONE;
 208
 209    texObj = _mesa_get_current_tex_object(ctx, target);
 210
 211    if (!texObj)
 212       return;
 213
 214    if (dPriv->lastStamp != dPriv->dri2.stamp ||
 215        !pDRICtx->driScreenPriv->dri2.useInvalidate)
 216       intel_update_renderbuffers(pDRICtx, dPriv);
 217
 218    rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
 219    /* If the miptree isn't set, then intel_update_renderbuffers was unable
 220     * to get the BO for the drawable from the window system.
 221     */
 222    if (!rb || !rb->mt)
 223       return;
 224
 225    if (rb->mt->cpp == 4) {
 226       if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
 227          internalFormat = GL_RGB;
 228          texFormat = MESA_FORMAT_B8G8R8X8_UNORM;
 229       }
 230       else {
 231          internalFormat = GL_RGBA;
 232          texFormat = MESA_FORMAT_B8G8R8A8_UNORM;
 233       }
 234    } else if (rb->mt->cpp == 2) {
 235       internalFormat = GL_RGB;
 236       texFormat = MESA_FORMAT_B5G6R5_UNORM;
 237    }
 238
 239    _mesa_lock_texture(&brw->ctx, texObj);
 240    texImage = _mesa_get_tex_image(ctx, texObj, target, level);
 241    intel_miptree_make_shareable(brw, rb->mt);
 242    intel_set_texture_image_bo(ctx, texImage, rb->mt->bo, target,
 243                               internalFormat, texFormat, 0,
 244                               rb->Base.Base.Width,
 245                               rb->Base.Base.Height,
 246                               rb->mt->pitch,
 247                               0, 0);
 248    _mesa_unlock_texture(&brw->ctx, texObj);
 249 }
 250
 251 static GLboolean
 252 intel_bind_renderbuffer_tex_image(struct gl_context *ctx,
 253                                   struct gl_renderbuffer *rb,
 254                                   struct gl_texture_image *image)
 255 {
 256    struct intel_renderbuffer *irb = intel_renderbuffer(rb);
 257    struct intel_texture_image *intel_image = intel_texture_image(image);
 258    struct gl_texture_object *texobj = image->TexObject;
 259    struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
 260
 261    /* We can only handle RB allocated with AllocRenderbufferStorage, or
 262     * window-system renderbuffers.
 263     */
 264    assert(!rb->TexImage);
 265
 266    if (!irb->mt)
 267       return false;
 268
 269    _mesa_lock_texture(ctx, texobj);
 270    _mesa_init_teximage_fields(ctx, image,
 271                               rb->Width, rb->Height, 1,
 272                               0, rb->InternalFormat, rb->Format);
 273    image->NumSamples = rb->NumSamples;
 274
 275    intel_miptree_reference(&intel_image->mt, irb->mt);
 276
 277    /* Immediately validate the image to the object. */
 278    intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
 279
 280    intel_texobj->needs_validate = true;
 281    _mesa_unlock_texture(ctx, texobj);
 282
 283    return true;
 284 }
 285
 286 void
 287 intelSetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
 288 {
 289    /* The old interface didn't have the format argument, so copy our
 290     * implementation's behavior at the time.
 291     */
 292    intelSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
 293 }
 294
 295 static void
 296 intel_image_target_texture_2d(struct gl_context *ctx, GLenum target,
 297                               struct gl_texture_object *texObj,
 298                               struct gl_texture_image *texImage,
 299                               GLeglImageOES image_handle)
 300 {
 301    struct brw_context *brw = brw_context(ctx);
 302    __DRIscreen *screen;
 303    __DRIimage *image;
 304
 305    screen = brw->intelScreen->driScrnPriv;
 306    image = screen->dri2.image->lookupEGLImage(screen, image_handle,
 307                                               screen->loaderPrivate);
 308    if (image == NULL)
 309       return;
 310
 311    /**
 312     * Images originating via EGL_EXT_image_dma_buf_import can be used only
 313     * with GL_OES_EGL_image_external only.
 314     */
 315    if (image->dma_buf_imported && target != GL_TEXTURE_EXTERNAL_OES) {
 316       _mesa_error(ctx, GL_INVALID_OPERATION,
 317             "glEGLImageTargetTexture2DOES(dma buffers can be used with "
 318                "GL_OES_EGL_image_external only");
 319       return;
 320    }
 321
 322    if (target == GL_TEXTURE_EXTERNAL_OES && !image->dma_buf_imported) {
 323       _mesa_error(ctx, GL_INVALID_OPERATION,
 324             "glEGLImageTargetTexture2DOES(external target is enabled only "
 325                "for images created with EGL_EXT_image_dma_buf_import");
 326       return;
 327    }
 328
 329    /* Disallow depth/stencil textures: we don't have a way to pass the
 330     * separate stencil miptree of a GL_DEPTH_STENCIL texture through.
 331     */
 332    if (image->has_depthstencil) {
 333       _mesa_error(ctx, GL_INVALID_OPERATION, __func__);
 334       return;
 335    }
 336
 337    intel_set_texture_image_bo(ctx, texImage, image->bo,
 338                               target, image->internal_format,
 339                               image->format, image->offset,
 340                               image->width,  image->height,
 341                               image->pitch,
 342                               image->tile_x, image->tile_y);
 343 }
 344
 345 static void
 346 intel_get_tex_image(struct gl_context *ctx,
 347                     GLenum format, GLenum type, GLvoid *pixels,
 348                     struct gl_texture_image *texImage) {
 349    struct brw_context *brw = brw_context(ctx);
 350
 351    DBG("%s\n", __FUNCTION__);
 352
 353    if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
 354       if (_mesa_meta_pbo_GetTexSubImage(ctx, 3, texImage, 0, 0, 0,
 355                                         texImage->Width, texImage->Height,
 356                                         texImage->Depth, format, type,
 357                                         pixels, &ctx->Pack))
 358          return;
 359
 360       perf_debug("%s: fallback to CPU mapping in PBO case\n", __FUNCTION__);
 361    }
 362
 363    _mesa_meta_GetTexImage(ctx, format, type, pixels, texImage);
 364
 365    DBG("%s - DONE\n", __FUNCTION__);
 366 }
 367
 368 void
 369 intelInitTextureImageFuncs(struct dd_function_table *functions)
 370 {
 371    functions->TexImage = intelTexImage;
 372    functions->EGLImageTargetTexture2D = intel_image_target_texture_2d;
 373    functions->BindRenderbufferTexImage = intel_bind_renderbuffer_tex_image;
 374    functions->GetTexImage = intel_get_tex_image;
 375 }