/**
* Map a single texture image for glTexImage and friends.
*/
void radeon_teximage_map(radeon_texture_image *image, GLboolean write_enable)
{
radeon_print(RADEON_TEXTURE, RADEON_VERBOSE,
"%s(img %p), write_enable %s.\n",
__func__, image,
write_enable ? "true": "false");
if (image->mt) {
assert(!image->base.Map);
radeon_bo_map(image->mt->bo, write_enable);
teximage_set_map_data(image);
}
}
/**
* Map a validated texture for reading during software rendering.
*/
void radeonMapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
{
radeonTexObj* t = radeon_tex_obj(texObj);
int face, level;
radeon_print(RADEON_TEXTURE, RADEON_VERBOSE,
"%s(%p, tex %p)\n",
__func__, ctx, texObj);
if (!radeon_validate_texture_miptree(ctx, texObj)) {
radeon_error("%s(%p, tex %p) Failed to validate miptree for "
"sw fallback.\n",
__func__, ctx, texObj);
return;
}
if (t->image_override && t->bo) {
radeon_print(RADEON_TEXTURE, RADEON_VERBOSE,
"%s(%p, tex %p) Work around for missing miptree in r100.\n",
__func__, ctx, texObj);
map_override(ctx, t);
}
/* for r100 3D sw fallbacks don't have mt */
if (!t->mt) {
radeon_warning("%s(%p, tex %p) No miptree in texture.\n",
__func__, ctx, texObj);
return;
}
radeon_bo_map(t->mt->bo, GL_FALSE);
for(face = 0; face < t->mt->faces; ++face) {
for(level = t->minLod; level <= t->maxLod; ++level)
teximage_set_map_data(get_radeon_texture_image(texObj->Image[face][level]));
}
}