void
intel_tex_unmap_images(struct intel_context *intel,
struct intel_texture_object *intelObj)
{
int i;
for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++)
intel_tex_unmap_level_images(intel, intelObj, i);
}
void
intel_tex_unmap_images(struct intel_context *intel,
struct intel_texture_object *intelObj)
{
int i;
for (i = intelObj->base.BaseLevel; i <= intelObj->_MaxLevel; i++)
intel_tex_unmap_level_images(intel, intelObj, i);
}
static void intelGenerateMipmap(GLcontext *ctx, GLenum target, struct gl_texture_object *texObj)
{
struct intel_context *intel = intel_context(ctx);
struct intel_texture_object *intelObj = intel_texture_object(texObj);
intel_tex_map_level_images(intel, intelObj, texObj->BaseLevel);
intel_generate_mipmap(ctx, target, texObj);
intel_tex_unmap_level_images(intel, intelObj, texObj->BaseLevel);
}
/**
* 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);
}
}