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_context.h" 19 #include "intel_mipmap_tree.h" 20 #include "intel_buffer_objects.h" 21 #include "intel_batchbuffer.h" 22 #include "intel_tex.h" 23 #include "intel_blit.h" 24 #include "intel_fbo.h" 25 26 #define FILE_DEBUG_FLAG DEBUG_TEXTURE 27 28 /* Work back from the specified level of the image to the baselevel and create a 29 * miptree of that size. 30 */ 31 struct intel_mipmap_tree * 32 intel_miptree_create_for_teximage(struct intel_context *intel, 33 struct intel_texture_object *intelObj, 34 struct intel_texture_image *intelImage, 35 bool expect_accelerated_upload) 36 { 37 GLuint firstLevel; 38 GLuint lastLevel; 39 int width, height, depth; 40 GLuint i; 41 42 intel_miptree_get_dimensions_for_image(&intelImage->base.Base, 43 &width, &height, &depth); 44 45 DBG("%s\n", __func__); 46 47 if (intelImage->base.Base.Level > intelObj->base.BaseLevel && 48 (width == 1 || 49 (intelObj->base.Target != GL_TEXTURE_1D && height == 1) || 50 (intelObj->base.Target == GL_TEXTURE_3D && depth == 1))) { 51 /* For this combination, we're at some lower mipmap level and 52 * some important dimension is 1. We can't extrapolate up to a 53 * likely base level width/height/depth for a full mipmap stack 54 * from this info, so just allocate this one level. 55 */ 56 firstLevel = intelImage->base.Base.Level; 57 lastLevel = intelImage->base.Base.Level; 58 } else { 59 /* If this image disrespects BaseLevel, allocate from level zero. 60 * Usually BaseLevel == 0, so it's unlikely to happen. 61 */ 62 if (intelImage->base.Base.Level < intelObj->base.BaseLevel) 63 firstLevel = 0; 64 else 65 firstLevel = intelObj->base.BaseLevel; 66 67 /* Figure out image dimensions at start level. */ 68 for (i = intelImage->base.Base.Level; i > firstLevel; i--) { 69 width <<= 1; 70 if (height != 1) 71 height <<= 1; 72 if (depth != 1) 73 depth <<= 1; 74 } 75 76 /* Guess a reasonable value for lastLevel. This is probably going 77 * to be wrong fairly often and might mean that we have to look at 78 * resizable buffers, or require that buffers implement lazy 79 * pagetable arrangements. 80 */ 81 if ((intelObj->base.Sampler.MinFilter == GL_NEAREST || 82 intelObj->base.Sampler.MinFilter == GL_LINEAR) && 83 intelImage->base.Base.Level == firstLevel) { 84 lastLevel = firstLevel; 85 } else { 86 lastLevel = (firstLevel + 87 _mesa_get_tex_max_num_levels(intelObj->base.Target, 88 width, height, depth) - 1); 89 } 90 } 91 92 return intel_miptree_create(intel, 93 intelObj->base.Target, 94 intelImage->base.Base.TexFormat, 95 firstLevel, 96 lastLevel, 97 width, 98 height, 99 depth, 100 expect_accelerated_upload, 101 INTEL_MIPTREE_TILING_ANY); 102 } 103 104 /* XXX: Do this for TexSubImage also: 105 */ 106 static bool 107 try_pbo_upload(struct gl_context *ctx, 108 struct gl_texture_image *image, 109 const struct gl_pixelstore_attrib *unpack, 110 GLenum format, GLenum type, const void *pixels) 111 { 112 struct intel_texture_image *intelImage = intel_texture_image(image); 113 struct intel_context *intel = intel_context(ctx); 114 struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj); 115 GLuint src_offset; 116 drm_intel_bo *src_buffer; 117 118 if (!_mesa_is_bufferobj(unpack->BufferObj)) 119 return false; 120 121 DBG("trying pbo upload\n"); 122 123 if (intel->ctx._ImageTransferState || 124 unpack->SkipPixels || unpack->SkipRows) { 125 DBG("%s: image transfer\n", __func__); 126 return false; 127 } 128 129 ctx->Driver.AllocTextureImageBuffer(ctx, image); 130 131 if (!intelImage->mt) { 132 DBG("%s: no miptree\n", __func__); 133 return false; 134 } 135 136 if (!_mesa_format_matches_format_and_type(intelImage->mt->format, 137 format, type, false, NULL)) { 138 DBG("%s: format mismatch (upload to %s with format 0x%x, type 0x%x)\n", 139 __func__, _mesa_get_format_name(intelImage->mt->format), 140 format, type); 141 return false; 142 } 143 144 if (image->TexObject->Target == GL_TEXTURE_1D_ARRAY || 145 image->TexObject->Target == GL_TEXTURE_2D_ARRAY) { 146 DBG("%s: no support for array textures\n", __func__); 147 return false; 148 } 149 150 src_buffer = intel_bufferobj_source(intel, pbo, 64, &src_offset); 151 /* note: potential 64-bit ptr to 32-bit int cast */ 152 src_offset += (GLuint) (unsigned long) pixels; 153 154 int src_stride = 155 _mesa_image_row_stride(unpack, image->Width, format, type); 156 157 struct intel_mipmap_tree *pbo_mt = 158 intel_miptree_create_for_bo(intel, 159 src_buffer, 160 intelImage->mt->format, 161 src_offset, 162 image->Width, image->Height, 163 src_stride, I915_TILING_NONE); 164 if (!pbo_mt) 165 return false; 166 167 if (!intel_miptree_blit(intel, 168 pbo_mt, 0, 0, 169 0, 0, false, 170 intelImage->mt, image->Level, image->Face, 171 0, 0, false, 172 image->Width, image->Height, GL_COPY)) { 173 DBG("%s: blit failed\n", __func__); 174 intel_miptree_release(&pbo_mt); 175 return false; 176 } 177 178 intel_miptree_release(&pbo_mt); 179 180 DBG("%s: success\n", __func__); 181 return true; 182 } 183 184 static void 185 intelTexImage(struct gl_context * ctx, 186 GLuint dims, 187 struct gl_texture_image *texImage, 188 GLenum format, GLenum type, const void *pixels, 189 const struct gl_pixelstore_attrib *unpack) 190 { 191 DBG("%s target %s level %d %dx%dx%d\n", __func__, 192 _mesa_enum_to_string(texImage->TexObject->Target), 193 texImage->Level, texImage->Width, texImage->Height, texImage->Depth); 194 195 /* Attempt to use the blitter for PBO image uploads. 196 */ 197 if (dims <= 2 && 198 try_pbo_upload(ctx, texImage, unpack, format, type, pixels)) { 199 return; 200 } 201 202 DBG("%s: upload image %dx%dx%d pixels %p\n", 203 __func__, texImage->Width, texImage->Height, texImage->Depth, 204 pixels); 205 206 _mesa_store_teximage(ctx, dims, texImage, 207 format, type, pixels, unpack); 208 } 209 210 211 /** 212 * Binds a region to a texture image, like it was uploaded by glTexImage2D(). 213 * 214 * Used for GLX_EXT_texture_from_pixmap and EGL image extensions, 215 */ 216 static void 217 intel_set_texture_image_region(struct gl_context *ctx, 218 struct gl_texture_image *image, 219 struct intel_region *region, 220 GLenum target, 221 GLenum internalFormat, 222 mesa_format format, 223 uint32_t offset, 224 GLuint width, 225 GLuint height, 226 GLuint tile_x, 227 GLuint tile_y) 228 { 229 struct intel_context *intel = intel_context(ctx); 230 struct intel_texture_image *intel_image = intel_texture_image(image); 231 struct gl_texture_object *texobj = image->TexObject; 232 struct intel_texture_object *intel_texobj = intel_texture_object(texobj); 233 bool has_surface_tile_offset = false; 234 uint32_t draw_x, draw_y; 235 236 _mesa_init_teximage_fields(&intel->ctx, image, 237 width, height, 1, 238 0, internalFormat, format); 239 240 ctx->Driver.FreeTextureImageBuffer(ctx, image); 241 242 intel_image->mt = intel_miptree_create_layout(intel, target, image->TexFormat, 243 0, 0, 244 width, height, 1); 245 if (intel_image->mt == NULL) 246 return; 247 intel_region_reference(&intel_image->mt->region, region); 248 intel_image->mt->total_width = width; 249 intel_image->mt->total_height = height; 250 intel_image->mt->level[0].slice[0].x_offset = tile_x; 251 intel_image->mt->level[0].slice[0].y_offset = tile_y; 252 253 intel_miptree_get_tile_offsets(intel_image->mt, 0, 0, &draw_x, &draw_y); 254 255 /* From "OES_EGL_image" error reporting. We report GL_INVALID_OPERATION 256 * for EGL images from non-tile aligned sufaces in gen4 hw and earlier which has 257 * trouble resolving back to destination image due to alignment issues. 258 */ 259 if (!has_surface_tile_offset && 260 (draw_x != 0 || draw_y != 0)) { 261 _mesa_error(ctx, GL_INVALID_OPERATION, __func__); 262 intel_miptree_release(&intel_image->mt); 263 return; 264 } 265 266 intel_texobj->needs_validate = true; 267 268 intel_image->mt->offset = offset; 269 assert(region->pitch % region->cpp == 0); 270 intel_image->base.RowStride = region->pitch / region->cpp; 271 272 /* Immediately validate the image to the object. */ 273 intel_miptree_reference(&intel_texobj->mt, intel_image->mt); 274 } 275 276 void 277 intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target, 278 GLint texture_format, 279 __DRIdrawable *dPriv) 280 { 281 struct gl_framebuffer *fb = dPriv->driverPrivate; 282 struct intel_context *intel = pDRICtx->driverPrivate; 283 struct gl_context *ctx = &intel->ctx; 284 struct intel_texture_object *intelObj; 285 struct intel_renderbuffer *rb; 286 struct gl_texture_object *texObj; 287 struct gl_texture_image *texImage; 288 int level = 0, internalFormat = 0; 289 mesa_format texFormat = MESA_FORMAT_NONE; 290 291 texObj = _mesa_get_current_tex_object(ctx, target); 292 intelObj = intel_texture_object(texObj); 293 294 if (!intelObj) 295 return; 296 297 if (dPriv->lastStamp != dPriv->dri2.stamp || 298 !pDRICtx->driScreenPriv->dri2.useInvalidate) 299 intel_update_renderbuffers(pDRICtx, dPriv); 300 301 rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 302 /* If the region isn't set, then intel_update_renderbuffers was unable 303 * to get the buffers for the drawable. 304 */ 305 if (!rb || !rb->mt) 306 return; 307 308 if (rb->mt->cpp == 4) { 309 if (texture_format == __DRI_TEXTURE_FORMAT_RGB) { 310 internalFormat = GL_RGB; 311 texFormat = MESA_FORMAT_B8G8R8X8_UNORM; 312 } 313 else { 314 internalFormat = GL_RGBA; 315 texFormat = MESA_FORMAT_B8G8R8A8_UNORM; 316 } 317 } else if (rb->mt->cpp == 2) { 318 internalFormat = GL_RGB; 319 texFormat = MESA_FORMAT_B5G6R5_UNORM; 320 } 321 322 _mesa_lock_texture(&intel->ctx, texObj); 323 texImage = _mesa_get_tex_image(ctx, texObj, target, level); 324 intel_set_texture_image_region(ctx, texImage, rb->mt->region, target, 325 internalFormat, texFormat, 0, 326 rb->mt->region->width, 327 rb->mt->region->height, 328 0, 0); 329 _mesa_unlock_texture(&intel->ctx, texObj); 330 } 331 332 void 333 intelSetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv) 334 { 335 /* The old interface didn't have the format argument, so copy our 336 * implementation's behavior at the time. 337 */ 338 intelSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv); 339 } 340 341 static void 342 intel_image_target_texture_2d(struct gl_context *ctx, GLenum target, 343 struct gl_texture_object *texObj, 344 struct gl_texture_image *texImage, 345 GLeglImageOES image_handle) 346 { 347 struct intel_context *intel = intel_context(ctx); 348 __DRIscreen *screen; 349 __DRIimage *image; 350 351 screen = intel->intelScreen->driScrnPriv; 352 image = screen->dri2.image->lookupEGLImage(screen, image_handle, 353 screen->loaderPrivate); 354 if (image == NULL) 355 return; 356 357 intel_set_texture_image_region(ctx, texImage, image->region, 358 target, image->internal_format, 359 image->format, image->offset, 360 image->width, image->height, 361 image->tile_x, image->tile_y); 362 } 363 364 void 365 intelInitTextureImageFuncs(struct dd_function_table *functions) 366 { 367 functions->TexImage = intelTexImage; 368 functions->EGLImageTargetTexture2D = intel_image_target_texture_2d; 369 } 370