コード例 #1
0
/**
 * All glTexSubImage calls go through this function.
 */
static void radeon_texsubimage(GLcontext* ctx, int dims, GLenum target, int level,
		GLint xoffset, GLint yoffset, GLint zoffset,
		GLsizei width, GLsizei height, GLsizei depth,
		GLsizei imageSize,
		GLenum format, GLenum type,
		const GLvoid * pixels,
		const struct gl_pixelstore_attrib *packing,
		struct gl_texture_object *texObj,
		struct gl_texture_image *texImage,
		int compressed)
{
	radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
	radeonTexObj* t = radeon_tex_obj(texObj);
	radeon_texture_image* image = get_radeon_texture_image(texImage);

	radeon_print(RADEON_TEXTURE, RADEON_NORMAL,
			"%s %dd: texObj %p, texImage %p, face %d, level %d\n",
			__func__, dims, texObj, texImage,
			_mesa_tex_target_to_face(target), level);
	{
		struct radeon_bo *bo;
		bo = !image->mt ? image->bo : image->mt->bo;
		if (bo && radeon_bo_is_referenced_by_cs(bo, rmesa->cmdbuf.cs)) {
			radeon_print(RADEON_TEXTURE, RADEON_VERBOSE,
				"%s Calling texsubimage for texture that is "
				"queued for GPU processing.\n",
				__func__);
			radeon_firevertices(rmesa);
		}
	}


	t->validated = GL_FALSE;
	if (compressed) {
		pixels = _mesa_validate_pbo_compressed_teximage(
			ctx, imageSize, pixels, packing, "glCompressedTexSubImage");
	} else {
		pixels = _mesa_validate_pbo_teximage(ctx, dims,
			width, height, depth, format, type, pixels, packing, "glTexSubImage");
	}

	if (pixels) {
		radeon_store_teximage(ctx, dims,
			xoffset, yoffset, zoffset,
			width, height, depth,
			imageSize, format, type,
			pixels, packing,
			texObj, texImage,
			compressed);
	}

	_mesa_unmap_teximage_pbo(ctx, packing);
}
コード例 #2
0
/**
 * All glTexImage calls go through this function.
 */
static void radeon_teximage(
	GLcontext *ctx, int dims,
	GLenum target, GLint level,
	GLint internalFormat,
	GLint width, GLint height, GLint depth,
	GLsizei imageSize,
	GLenum format, GLenum type, const GLvoid * pixels,
	const struct gl_pixelstore_attrib *packing,
	struct gl_texture_object *texObj,
	struct gl_texture_image *texImage,
	int compressed)
{
	radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
	radeonTexObj* t = radeon_tex_obj(texObj);
	radeon_texture_image* image = get_radeon_texture_image(texImage);
	GLint postConvWidth = width;
	GLint postConvHeight = height;
	GLuint face = _mesa_tex_target_to_face(target);

	radeon_print(RADEON_TEXTURE, RADEON_NORMAL,
			"%s %dd: texObj %p, texImage %p, face %d, level %d\n",
			__func__, dims, texObj, texImage, face, level);
	{
		struct radeon_bo *bo;
		bo = !image->mt ? image->bo : image->mt->bo;
		if (bo && radeon_bo_is_referenced_by_cs(bo, rmesa->cmdbuf.cs)) {
			radeon_print(RADEON_TEXTURE, RADEON_VERBOSE,
				"%s Calling teximage for texture that is "
				"queued for GPU processing.\n",
				__func__);
			radeon_firevertices(rmesa);
		}
	}


	t->validated = GL_FALSE;

	if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
	       _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
						  &postConvHeight);
	}

	if (!_mesa_is_format_compressed(texImage->TexFormat)) {
		GLuint texelBytes = _mesa_get_format_bytes(texImage->TexFormat);
		/* Minimum pitch of 32 bytes */
		if (postConvWidth * texelBytes < 32) {
			postConvWidth = 32 / texelBytes;
			texImage->RowStride = postConvWidth;
		}
		if (!image->mt) {
			assert(texImage->RowStride == postConvWidth);
		}
	}

	/* Mesa core only clears texImage->Data but not image->mt */
	radeonFreeTexImageData(ctx, texImage);

	if (!t->bo) {
		teximage_assign_miptree(rmesa, texObj, texImage, face, level);
		if (!image->mt) {
			int size = _mesa_format_image_size(texImage->TexFormat,
								texImage->Width,
								texImage->Height,
								texImage->Depth);
			texImage->Data = _mesa_alloc_texmemory(size);
			radeon_print(RADEON_TEXTURE, RADEON_VERBOSE,
					"%s %dd: texObj %p, texImage %p, "
					" no miptree assigned, using local memory %p\n",
					__func__, dims, texObj, texImage, texImage->Data);
		}
	}

	/* Upload texture image; note that the spec allows pixels to be NULL */
	if (compressed) {
		pixels = _mesa_validate_pbo_compressed_teximage(
			ctx, imageSize, pixels, packing, "glCompressedTexImage");
	} else {
		pixels = _mesa_validate_pbo_teximage(
			ctx, dims, width, height, depth,
			format, type, pixels, packing, "glTexImage");
	}

	if (pixels) {
		radeon_store_teximage(ctx, dims,
			0, 0, 0,
			width, height, depth,
			imageSize, format, type,
			pixels, packing,
			texObj, texImage,
			compressed);
	}

	_mesa_unmap_teximage_pbo(ctx, packing);
}
コード例 #3
0
static bool
intel_blit_texsubimage(struct gl_context * ctx,
		       struct gl_texture_image *texImage,
		       GLint xoffset, GLint yoffset,
		       GLint width, GLint height,
		       GLenum format, GLenum type, const void *pixels,
		       const struct gl_pixelstore_attrib *packing)
{
   struct intel_context *intel = intel_context(ctx);
   struct intel_texture_image *intelImage = intel_texture_image(texImage);

   /* Try to do a blit upload of the subimage if the texture is
    * currently busy.
    */
   if (!intelImage->mt)
      return false;

   /* The blitter can't handle Y tiling */
   if (intelImage->mt->region->tiling == I915_TILING_Y)
      return false;

   if (texImage->TexObject->Target != GL_TEXTURE_2D)
      return false;

   if (!drm_intel_bo_busy(intelImage->mt->region->bo))
      return false;

   DBG("BLT subimage %s target %s level %d offset %d,%d %dx%d\n",
       __func__,
       _mesa_enum_to_string(texImage->TexObject->Target),
       texImage->Level, xoffset, yoffset, width, height);

   pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1,
					format, type, pixels, packing,
					"glTexSubImage");
   if (!pixels)
      return false;

   struct intel_mipmap_tree *temp_mt =
      intel_miptree_create(intel, GL_TEXTURE_2D, texImage->TexFormat,
                           0, 0,
                           width, height, 1,
                           false, INTEL_MIPTREE_TILING_NONE);
   if (!temp_mt)
      goto err;

   GLubyte *dst = intel_miptree_map_raw(intel, temp_mt);
   if (!dst)
      goto err;

   if (!_mesa_texstore(ctx, 2, texImage->_BaseFormat,
		       texImage->TexFormat,
		       temp_mt->region->pitch,
		       &dst,
		       width, height, 1,
		       format, type, pixels, packing)) {
      _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
   }

   intel_miptree_unmap_raw(temp_mt);

   bool ret;

   ret = intel_miptree_blit(intel,
                            temp_mt, 0, 0,
                            0, 0, false,
                            intelImage->mt, texImage->Level, texImage->Face,
                            xoffset, yoffset, false,
                            width, height, COLOR_LOGICOP_COPY);
   assert(ret);

   intel_miptree_release(&temp_mt);
   _mesa_unmap_teximage_pbo(ctx, packing);

   return ret;

err:
   _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
   intel_miptree_release(&temp_mt);
   _mesa_unmap_teximage_pbo(ctx, packing);
   return false;
}
コード例 #4
0
static void
intelTexImage(GLcontext * ctx,
              GLint dims,
              GLenum target, GLint level,
              GLint internalFormat,
              GLint width, GLint height, GLint depth,
              GLint border,
              GLenum format, GLenum type, const void *pixels,
              const struct gl_pixelstore_attrib *unpack,
              struct gl_texture_object *texObj,
              struct gl_texture_image *texImage, GLsizei imageSize, int compressed)
{
   struct intel_context *intel = intel_context(ctx);
   struct intel_texture_object *intelObj = intel_texture_object(texObj);
   struct intel_texture_image *intelImage = intel_texture_image(texImage);
   GLint postConvWidth = width;
   GLint postConvHeight = height;
   GLint texelBytes, sizeInBytes;
   GLuint dstRowStride;


   DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
       _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);

   intelFlush(ctx);

   intelImage->face = target_to_face(target);
   intelImage->level = level;

   if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
      _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
                                         &postConvHeight);
   }

   /* choose the texture format */
   texImage->TexFormat = intelChooseTextureFormat(ctx, internalFormat,
                                                  format, type);

   _mesa_set_fetch_functions(texImage, dims);

   if (texImage->TexFormat->TexelBytes == 0) {
      /* must be a compressed format */
      texelBytes = 0;
      texImage->IsCompressed = GL_TRUE;
      texImage->CompressedSize =
	 ctx->Driver.CompressedTextureSize(ctx, texImage->Width,
					   texImage->Height, texImage->Depth,
					   texImage->TexFormat->MesaFormat);
   } else {
      texelBytes = texImage->TexFormat->TexelBytes;
      
      /* Minimum pitch of 32 bytes */
      if (postConvWidth * texelBytes < 32) {
	 postConvWidth = 32 / texelBytes;
	 texImage->RowStride = postConvWidth;
      }
      
      assert(texImage->RowStride == postConvWidth);
   }

   /* Release the reference to a potentially orphaned buffer.   
    * Release any old malloced memory.
    */
   if (intelImage->mt) {
      intel_miptree_release(intel, &intelImage->mt);
      assert(!texImage->Data);
   }
   else if (texImage->Data) {
      _mesa_align_free(texImage->Data);
   }

   /* If this is the only texture image in the tree, could call
    * bmBufferData with NULL data to free the old block and avoid
    * waiting on any outstanding fences.
    */
   if (intelObj->mt &&
       intelObj->mt->first_level == level &&
       intelObj->mt->last_level == level &&
       intelObj->mt->target != GL_TEXTURE_CUBE_MAP_ARB &&
       !intel_miptree_match_image(intelObj->mt, &intelImage->base,
                                  intelImage->face, intelImage->level)) {

      DBG("release it\n");
      intel_miptree_release(intel, &intelObj->mt);
      assert(!intelObj->mt);
   }

   if (!intelObj->mt) {
      guess_and_alloc_mipmap_tree(intel, intelObj, intelImage);
      if (!intelObj->mt) {
	 DBG("guess_and_alloc_mipmap_tree: failed\n");
      }
   }

   assert(!intelImage->mt);

   if (intelObj->mt &&
       intel_miptree_match_image(intelObj->mt, &intelImage->base,
                                 intelImage->face, intelImage->level)) {

      intel_miptree_reference(&intelImage->mt, intelObj->mt);
      assert(intelImage->mt);
   }

   if (!intelImage->mt)
      DBG("XXX: Image did not fit into tree - storing in local memory!\n");

   /* PBO fastpaths:
    */
   if (dims <= 2 &&
       intelImage->mt &&
       intel_buffer_object(unpack->BufferObj) &&
       check_pbo_format(internalFormat, format,
                        type, intelImage->base.TexFormat)) {

      DBG("trying pbo upload\n");

      /* Attempt to texture directly from PBO data (zero copy upload).
       *
       * Currently disable as it can lead to worse as well as better
       * performance (in particular when intel_region_cow() is
       * required).
       */
      if (intelObj->mt == intelImage->mt &&
          intelObj->mt->first_level == level &&
          intelObj->mt->last_level == level) {

         if (try_pbo_zcopy(intel, intelImage, unpack,
                           internalFormat,
                           width, height, format, type, pixels)) {

            DBG("pbo zcopy upload succeeded\n");
            return;
         }
      }


      /* Otherwise, attempt to use the blitter for PBO image uploads.
       */
      if (try_pbo_upload(intel, intelImage, unpack,
                         internalFormat,
                         width, height, format, type, pixels)) {
         DBG("pbo upload succeeded\n");
         return;
      }

      DBG("pbo upload failed\n");
   }



   /* intelCopyTexImage calls this function with pixels == NULL, with
    * the expectation that the mipmap tree will be set up but nothing
    * more will be done.  This is where those calls return:
    */
   if (compressed) {
      pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
						      unpack,
						      "glCompressedTexImage");
   } else {
      pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
					   format, type,
					   pixels, unpack, "glTexImage");
   }
   if (!pixels)
      return;


   if (intelImage->mt)
      intel_region_idle(intel->intelScreen, intelImage->mt->region);

   LOCK_HARDWARE(intel);

   if (intelImage->mt) {
      texImage->Data = intel_miptree_image_map(intel,
                                               intelImage->mt,
                                               intelImage->face,
                                               intelImage->level,
                                               &dstRowStride,
                                               intelImage->base.ImageOffsets);
   }
   else {
      /* Allocate regular memory and store the image there temporarily.   */
      if (texImage->IsCompressed) {
         sizeInBytes = texImage->CompressedSize;
         dstRowStride =
            _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
         assert(dims != 3);
      }
      else {
         dstRowStride = postConvWidth * texelBytes;
         sizeInBytes = depth * dstRowStride * postConvHeight;
      }

      texImage->Data = malloc(sizeInBytes);
   }

   DBG("Upload image %dx%dx%d row_len %x "
       "pitch %x\n",
       width, height, depth, width * texelBytes, dstRowStride);

   /* Copy data.  Would like to know when it's ok for us to eg. use
    * the blitter to copy.  Or, use the hardware to do the format
    * conversion and copy:
    */
   if (compressed) {
     memcpy(texImage->Data, pixels, imageSize);
   } else if (!texImage->TexFormat->StoreImage(ctx, dims, 
					       texImage->_BaseFormat, 
					       texImage->TexFormat, 
					       texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */
					       dstRowStride,
					       texImage->ImageOffsets,
					       width, height, depth,
					       format, type, pixels, unpack)) {
      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
   }

   _mesa_unmap_teximage_pbo(ctx, unpack);

   if (intelImage->mt) {
      intel_miptree_image_unmap(intel, intelImage->mt);
      texImage->Data = NULL;
   }

   UNLOCK_HARDWARE(intel);

#if 0
   /* GL_SGIS_generate_mipmap -- this can be accelerated now.
    */
   if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
      intel_generate_mipmap(ctx, target,
                            &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
                            texObj);
   }
#endif
}
コード例 #5
0
ファイル: texstore.c プロジェクト: ashmew2/kolibriosSVN
/**
 * Helper function for storing 1D, 2D, 3D whole and subimages into texture
 * memory.
 * The source of the image data may be user memory or a PBO.  In the later
 * case, we'll map the PBO, copy from it, then unmap it.
 */
static void
store_texsubimage(struct gl_context *ctx,
                  struct gl_texture_image *texImage,
                  GLint xoffset, GLint yoffset, GLint zoffset,
                  GLint width, GLint height, GLint depth,
                  GLenum format, GLenum type, const GLvoid *pixels,
                  const struct gl_pixelstore_attrib *packing,
                  const char *caller)

{
   const GLbitfield mapMode = get_read_write_mode(format, texImage->TexFormat);
   const GLenum target = texImage->TexObject->Target;
   GLboolean success = GL_FALSE;
   GLuint dims, slice, numSlices = 1, sliceOffset = 0;
   GLint srcImageStride = 0;
   const GLubyte *src;

   assert(xoffset + width <= texImage->Width);
   assert(yoffset + height <= texImage->Height);
   assert(zoffset + depth <= texImage->Depth);

   switch (target) {
   case GL_TEXTURE_1D:
      dims = 1;
      break;
   case GL_TEXTURE_2D_ARRAY:
   case GL_TEXTURE_CUBE_MAP_ARRAY:
   case GL_TEXTURE_3D:
      dims = 3;
      break;
   default:
      dims = 2;
   }

   /* get pointer to src pixels (may be in a pbo which we'll map here) */
   src = (const GLubyte *)
      _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
                                  format, type, pixels, packing, caller);
   if (!src)
      return;

   /* compute slice info (and do some sanity checks) */
   switch (target) {
   case GL_TEXTURE_2D:
   case GL_TEXTURE_RECTANGLE:
   case GL_TEXTURE_CUBE_MAP:
   case GL_TEXTURE_EXTERNAL_OES:
      /* one image slice, nothing special needs to be done */
      break;
   case GL_TEXTURE_1D:
      assert(height == 1);
      assert(depth == 1);
      assert(yoffset == 0);
      assert(zoffset == 0);
      break;
   case GL_TEXTURE_1D_ARRAY:
      assert(depth == 1);
      assert(zoffset == 0);
      numSlices = height;
      sliceOffset = yoffset;
      height = 1;
      yoffset = 0;
      srcImageStride = _mesa_image_row_stride(packing, width, format, type);
      break;
   case GL_TEXTURE_2D_ARRAY:
      numSlices = depth;
      sliceOffset = zoffset;
      depth = 1;
      zoffset = 0;
      srcImageStride = _mesa_image_image_stride(packing, width, height,
                                                format, type);
      break;
   case GL_TEXTURE_3D:
      /* we'll store 3D images as a series of slices */
      numSlices = depth;
      sliceOffset = zoffset;
      srcImageStride = _mesa_image_image_stride(packing, width, height,
                                                format, type);
      break;
   case GL_TEXTURE_CUBE_MAP_ARRAY:
      numSlices = depth;
      sliceOffset = zoffset;
      srcImageStride = _mesa_image_image_stride(packing, width, height,
                                                format, type);
      break;
   default:
      _mesa_warning(ctx, "Unexpected target 0x%x in store_texsubimage()", target);
      return;
   }

   assert(numSlices == 1 || srcImageStride != 0);

   for (slice = 0; slice < numSlices; slice++) {
      GLubyte *dstMap;
      GLint dstRowStride;

      ctx->Driver.MapTextureImage(ctx, texImage,
                                  slice + sliceOffset,
                                  xoffset, yoffset, width, height,
                                  mapMode, &dstMap, &dstRowStride);
      if (dstMap) {
         /* Note: we're only storing a 2D (or 1D) slice at a time but we need
          * to pass the right 'dims' value so that GL_UNPACK_SKIP_IMAGES is
          * used for 3D images.
          */
         success = _mesa_texstore(ctx, dims, texImage->_BaseFormat,
                                  texImage->TexFormat,
                                  dstRowStride,
                                  &dstMap,
                                  width, height, 1,  /* w, h, d */
                                  format, type, src, packing);

         ctx->Driver.UnmapTextureImage(ctx, texImage, slice + sliceOffset);
      }

      src += srcImageStride;

      if (!success)
         break;
   }

   if (!success)
      _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);

   _mesa_unmap_teximage_pbo(ctx, packing);
}