mesa: re-implement unpacking of DEPTH_COMPONENT32F

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=43122

Reviewed-by: Eric Anholt <eric@anholt.net>
Tested-by: Kai Wasserbäch <kai@dev.carbon-project.org>

diff --git a/src/mesa/main/format_unpack.c b/src/mesa/main/format_unpack.c
index ae7a04b02caeef7071f8b50e802773a3f8183a25..72a4175aa86570bf2787c70da9b22ea38c2c8561 100644 (file)
--- a/src/mesa/main/format_unpack.c
+++ b/src/mesa/main/format_unpack.c
@@ -1750,6 +1750,12 @@ unpack_float_z_Z32(GLuint n, const void *src, GLfloat *dst)
    }
 }
 
+static void
+unpack_float_z_Z32F(GLuint n, const void *src, GLfloat *dst)
+{
+   memcpy(dst, src, n * sizeof(float));
+}
+
 static void
 unpack_float_z_Z32X24S8(GLuint n, const void *src, GLfloat *dst)
 {
@@ -1783,6 +1789,9 @@ _mesa_unpack_float_z_row(gl_format format, GLuint n,
    case MESA_FORMAT_Z32:
       unpack = unpack_float_z_Z32;
       break;
+   case MESA_FORMAT_Z32_FLOAT:
+      unpack = unpack_float_z_Z32F;
+      break;
    case MESA_FORMAT_Z32_FLOAT_X24S8:
       unpack = unpack_float_z_Z32X24S8;
       break;