Ejemplo n.º 1
0
void radeonGenerateMipmap(GLcontext* ctx, GLenum target, struct gl_texture_object *texObj)
{
	radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
	struct radeon_bo *bo;
	GLuint face = _mesa_tex_target_to_face(target);
	radeon_texture_image *baseimage = get_radeon_texture_image(texObj->Image[face][texObj->BaseLevel]);
	bo = !baseimage->mt ? baseimage->bo : baseimage->mt->bo;

	radeon_print(RADEON_TEXTURE, RADEON_TRACE,
		"%s(%p, target %s, tex %p)\n",
		__func__, ctx, _mesa_lookup_enum_by_nr(target),
		texObj);

	if (bo && radeon_bo_is_referenced_by_cs(bo, rmesa->cmdbuf.cs)) {
		radeon_print(RADEON_TEXTURE, RADEON_NORMAL,
			"%s(%p, tex %p) Trying to generate mipmap for texture "
			"in processing by GPU.\n",
			__func__, ctx, texObj);
		radeon_firevertices(rmesa);
	}

	if (_mesa_meta_check_generate_mipmap_fallback(ctx, target, texObj)) {
		radeon_teximage_map(baseimage, GL_FALSE);
		radeon_generate_mipmap(ctx, target, texObj);
		radeon_teximage_unmap(baseimage);
	} else {
		_mesa_meta_GenerateMipmap(ctx, target, texObj);
	}
}
Ejemplo n.º 2
0
/**
 * Called via ctx->Driver.GenerateMipmap()
 * This is basically a wrapper for _mesa_meta_GenerateMipmap() which checks
 * if we'll be using software mipmap generation.  In that case, we need to
 * map/unmap the base level texture image.
 */
static void
intelGenerateMipmap(struct gl_context *ctx, GLenum target,
                    struct gl_texture_object *texObj)
{
   if (_mesa_meta_check_generate_mipmap_fallback(ctx, target, texObj)) {
      /* sw path: need to map texture images */
      struct intel_context *intel = intel_context(ctx);
      struct intel_texture_object *intelObj = intel_texture_object(texObj);
      struct gl_texture_image *first_image = texObj->Image[0][texObj->BaseLevel];

      fallback_debug("%s - fallback to swrast\n", __FUNCTION__);

      intel_tex_map_level_images(intel, intelObj, texObj->BaseLevel);
      _mesa_generate_mipmap(ctx, target, texObj);
      intel_tex_unmap_level_images(intel, intelObj, texObj->BaseLevel);

      if (!_mesa_is_format_compressed(first_image->TexFormat)) {
         GLuint nr_faces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
         GLuint face, i;
         /* Update the level information in our private data in the new images,
          * since it didn't get set as part of a normal TexImage path.
          */
         for (face = 0; face < nr_faces; face++) {
            for (i = texObj->BaseLevel + 1; i < texObj->MaxLevel; i++) {
               struct intel_texture_image *intelImage =
                  intel_texture_image(texObj->Image[face][i]);
               if (!intelImage)
                  break;
               intelImage->level = i;
               intelImage->face = face;
               /* Unreference the miptree to signal that the new Data is a
                * bare pointer from mesa.
                */
               intel_miptree_release(intel, &intelImage->mt);
            }
         }
      }
   }
   else {
      _mesa_meta_GenerateMipmap(ctx, target, texObj);
   }
}