mesa/st: add RGTC format support.

this just adds a format check + format conversion.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index 577ee6189b..c58ec9267d 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -241,6 +241,14 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
    case MESA_FORMAT_RGBA_UINT32:
       return PIPE_FORMAT_R32G32B32A32_USCALED;
 
+   case MESA_FORMAT_RED_RGTC1:
+      return PIPE_FORMAT_RGTC1_UNORM;
+   case MESA_FORMAT_SIGNED_RED_RGTC1:
+      return PIPE_FORMAT_RGTC1_SNORM;
+   case MESA_FORMAT_RG_RGTC2:
+      return PIPE_FORMAT_RGTC2_UNORM;
+   case MESA_FORMAT_SIGNED_RG_RGTC2:
+      return PIPE_FORMAT_RGTC2_SNORM;
    default:
       assert(0);
       return PIPE_FORMAT_NONE;
@@ -380,6 +388,15 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
    case PIPE_FORMAT_R32G32B32A32_USCALED:
       return MESA_FORMAT_RGBA_UINT32;
 
+   case PIPE_FORMAT_RGTC1_UNORM:
+      return MESA_FORMAT_RED_RGTC1;
+   case PIPE_FORMAT_RGTC1_SNORM:
+      return MESA_FORMAT_SIGNED_RED_RGTC1;
+   case PIPE_FORMAT_RGTC2_UNORM:
+      return MESA_FORMAT_RG_RGTC2;
+   case PIPE_FORMAT_RGTC2_SNORM:
+      return MESA_FORMAT_SIGNED_RG_RGTC2;
+
    default:
       assert(0);
       return MESA_FORMAT_NONE;