-static boolean r600_is_format_supported(struct pipe_screen* screen,
- enum pipe_format format,
- enum pipe_texture_target target,
- unsigned sample_count,
- unsigned usage)
-{
- unsigned retval = 0;
- if (target >= PIPE_MAX_TEXTURE_TYPES) {
- R600_ERR("r600: unsupported texture type %d\n", target);
- return FALSE;
- }
-
- if (!util_format_is_supported(format, usage))
- return FALSE;
-
- /* Multisample */
- if (sample_count > 1)
- return FALSE;
-
- if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
- r600_is_sampler_format_supported(screen, format)) {
- retval |= PIPE_BIND_SAMPLER_VIEW;
- }
-
- if ((usage & (PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_DISPLAY_TARGET |
- PIPE_BIND_SCANOUT |
- PIPE_BIND_SHARED)) &&
- r600_is_colorbuffer_format_supported(format)) {
- retval |= usage &
- (PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_DISPLAY_TARGET |
- PIPE_BIND_SCANOUT |
- PIPE_BIND_SHARED);
- }
-
- if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
- r600_is_zs_format_supported(format)) {
- retval |= PIPE_BIND_DEPTH_STENCIL;
- }
-
- if (usage & PIPE_BIND_VERTEX_BUFFER) {
- struct r600_screen *rscreen = (struct r600_screen *)screen;
- enum radeon_family family = r600_get_family(rscreen->radeon);
-
- if (r600_is_vertex_format_supported(format, family)) {
- retval |= PIPE_BIND_VERTEX_BUFFER;
- }
- }
-
- if (usage & PIPE_BIND_TRANSFER_READ)
- retval |= PIPE_BIND_TRANSFER_READ;
- if (usage & PIPE_BIND_TRANSFER_WRITE)
- retval |= PIPE_BIND_TRANSFER_WRITE;
-
- return retval == usage;
-}
-