nvc0: fix for 2d engine R source formats writing RRR1 and not R001

1 files changed, 40 insertions, 0 deletions

diff --git a/src/gallium/drivers/nv50/nv50_blit.h b/src/gallium/drivers/nv50/nv50_blit.h
index d409f21f615..bdd6a63d1f1 100644
--- a/src/gallium/drivers/nv50/nv50_blit.h
+++ b/src/gallium/drivers/nv50/nv50_blit.h
@@ -180,4 +180,44 @@ nv50_blit_eng2d_get_mask(const struct pipe_blit_info *info)
    return mask;
 }
 
+#if NOUVEAU_DRIVER == 0xc0
+# define nv50_format_table nvc0_format_table
+#endif
+
+/* return TRUE for formats that can be converted among each other by NVC0_2D */
+static INLINE boolean
+nv50_2d_dst_format_faithful(enum pipe_format format)
+{
+   const uint64_t mask =
+       NV50_ENG2D_SUPPORTED_FORMATS &
+      ~NV50_ENG2D_NOCONVERT_FORMATS;
+   uint8_t id = nv50_format_table[format].rt;
+   return (id >= 0xc0) && (mask & (1ULL << (id - 0xc0)));
+}
+static INLINE boolean
+nv50_2d_src_format_faithful(enum pipe_format format)
+{
+   const uint64_t mask =
+      NV50_ENG2D_SUPPORTED_FORMATS &
+    ~(NV50_ENG2D_LUMINANCE_FORMATS | NV50_ENG2D_INTENSITY_FORMATS);
+   uint8_t id = nv50_format_table[format].rt;
+   return (id >= 0xc0) && (mask & (1ULL << (id - 0xc0)));
+}
+
+static INLINE boolean
+nv50_2d_format_supported(enum pipe_format format)
+{
+   uint8_t id = nv50_format_table[format].rt;
+   return (id >= 0xc0) &&
+      (NV50_ENG2D_SUPPORTED_FORMATS & (1ULL << (id - 0xc0)));
+}
+
+static INLINE boolean
+nv50_2d_dst_format_ops_supported(enum pipe_format format)
+{
+   uint8_t id = nv50_format_table[format].rt;
+   return (id >= 0xc0) &&
+      (NV50_ENG2D_OPERATION_FORMATS & (1ULL << (id - 0xc0)));
+}
+
 #endif /* __NV50_BLIT_H__ */