diff --git a/src/gallium/drivers/nv50/nv50_screen.c b/src/gallium/drivers/nv50/nv50_screen.c
index 3b08e1b89fb..dd7baecba7c 100644
--- a/src/gallium/drivers/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nv50/nv50_screen.c
@@ -35,6 +35,7 @@ nv50_screen_is_format_supported(struct pipe_screen *pscreen,
 {
 	if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
 		switch (format) {
+		case PIPE_FORMAT_X8R8G8B8_UNORM:
 		case PIPE_FORMAT_A8R8G8B8_UNORM:
 		case PIPE_FORMAT_R5G6B5_UNORM:
 			return TRUE;
@@ -55,6 +56,7 @@ nv50_screen_is_format_supported(struct pipe_screen *pscreen,
 	} else {
 		switch (format) {
 		case PIPE_FORMAT_A8R8G8B8_UNORM:
+		case PIPE_FORMAT_X8R8G8B8_UNORM:
 		case PIPE_FORMAT_A1R5G5B5_UNORM:
 		case PIPE_FORMAT_A4R4G4B4_UNORM:
 		case PIPE_FORMAT_R5G6B5_UNORM:
diff --git a/src/gallium/drivers/nv50/nv50_state_validate.c b/src/gallium/drivers/nv50/nv50_state_validate.c
index 4ed76973c4b..867b1ea8729 100644
--- a/src/gallium/drivers/nv50/nv50_state_validate.c
+++ b/src/gallium/drivers/nv50/nv50_state_validate.c
@@ -57,6 +57,9 @@ nv50_state_validate_fb(struct nv50_context *nv50)
 		case PIPE_FORMAT_A8R8G8B8_UNORM:
 			so_data(so, NV50TCL_RT_FORMAT_A8R8G8B8_UNORM);
 			break;
+		case PIPE_FORMAT_X8R8G8B8_UNORM:
+			so_data(so, NV50TCL_RT_FORMAT_X8R8G8B8_UNORM);
+			break;
 		case PIPE_FORMAT_R5G6B5_UNORM:
 			so_data(so, NV50TCL_RT_FORMAT_R5G6B5_UNORM);
 			break;
diff --git a/src/gallium/drivers/nv50/nv50_tex.c b/src/gallium/drivers/nv50/nv50_tex.c
index 033cb50c115..21825a0411c 100644
--- a/src/gallium/drivers/nv50/nv50_tex.c
+++ b/src/gallium/drivers/nv50/nv50_tex.c
@@ -37,6 +37,13 @@ nv50_tex_construct(struct nv50_context *nv50, struct nouveau_stateobj *so,
 			    NV50TIC_0_0_MAPB_C0 | NV50TIC_0_0_TYPEB_UNORM |
 			    NV50TIC_0_0_FMT_8_8_8_8);
 		break;
+	case PIPE_FORMAT_X8R8G8B8_UNORM:
+		so_data(so, NV50TIC_0_0_MAPA_ONE | NV50TIC_0_0_TYPEA_UNORM |
+			    NV50TIC_0_0_MAPR_C2 | NV50TIC_0_0_TYPER_UNORM |
+			    NV50TIC_0_0_MAPG_C1 | NV50TIC_0_0_TYPEG_UNORM |
+			    NV50TIC_0_0_MAPB_C0 | NV50TIC_0_0_TYPEB_UNORM |
+			    NV50TIC_0_0_FMT_8_8_8_8);
+		break;
 	case PIPE_FORMAT_A1R5G5B5_UNORM:
 		so_data(so, NV50TIC_0_0_MAPA_C3 | NV50TIC_0_0_TYPEA_UNORM |
 			    NV50TIC_0_0_MAPR_C2 | NV50TIC_0_0_TYPER_UNORM |