+ if(tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
+ if(format_desc->block.width != 1 ||
+ format_desc->block.height != 1)
+ return FALSE;
+
+ if(format_desc->layout != UTIL_FORMAT_LAYOUT_SCALAR &&
+ format_desc->layout != UTIL_FORMAT_LAYOUT_ARITH &&
+ format_desc->layout != UTIL_FORMAT_LAYOUT_ARRAY)
+ return FALSE;
+
+ if(format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB &&
+ format_desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB)
+ return FALSE;
+ }
+
+ if(tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) {
+ if(!winsys->is_displaytarget_format_supported(winsys, format))
+ return FALSE;
+ }
+
+ if(tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
+ if(format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
+ return FALSE;
+
+ /* FIXME: Temporary restriction. See lp_state_fs.c. */
+ if(format_desc->block.bits != 32)
+ return FALSE;
+ }
+
+ /* FIXME: Temporary restrictions. See lp_bld_sample_soa.c */
+ if(tex_usage & PIPE_TEXTURE_USAGE_SAMPLER) {
+ if(format_desc->block.width != 1 ||
+ format_desc->block.height != 1)
+ return FALSE;
+
+ if(format_desc->layout != UTIL_FORMAT_LAYOUT_SCALAR &&
+ format_desc->layout != UTIL_FORMAT_LAYOUT_ARITH &&
+ format_desc->layout != UTIL_FORMAT_LAYOUT_ARRAY)
+ return FALSE;
+
+ if(format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB &&
+ format_desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB &&
+ format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
+ return FALSE;
+ }