mesa: added MESA_FORMAT_X8_Z24 format

24-bit Z in 32-bit pixel.  We could probably use the MESA_FORMAT_S8_Z24
format but this there's a few places where we explicitly don't want stencil.
This format may go away at some point in the future.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 2924ab69cc..45ac39a818 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -291,6 +291,14 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       1, 1, 2                      /* BlockWidth/Height,Bytes */
    },
    {
+      MESA_FORMAT_X8_Z24,          /* Name */
+      GL_DEPTH_COMPONENT,          /* BaseFormat */
+      GL_UNSIGNED_INT,             /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 24, 0,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
       MESA_FORMAT_Z32,             /* Name */
       GL_DEPTH_COMPONENT,          /* BaseFormat */
       GL_UNSIGNED_INT,             /* DataType */
@@ -873,6 +881,11 @@ _mesa_format_to_type_and_comps(gl_format format,
       *comps = 1;
       return;
 
+   case MESA_FORMAT_X8_Z24:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 1;
+      return;
+
    case MESA_FORMAT_Z32:
       *datatype = GL_UNSIGNED_INT;
       *comps = 1;