swrast: Move _mesa_format_pack_colormask() to the only caller.

This avoids needing format_pack to have access to the GLenum return
functions for mesa_format.  It seems like an odd function and unlikely
to be reused.

Reviewed-by: Thomas Helland <[email protected]>
Reviewed-by: Kristian H. Kristensen <[email protected]>

1 files changed, 0 insertions, 72 deletions

diff --git a/src/mesa/main/format_pack.py b/src/mesa/main/format_pack.py
index f5a165a94e8..05aee020297 100644
--- a/src/mesa/main/format_pack.py
+++ b/src/mesa/main/format_pack.py
@@ -912,78 +912,6 @@ _mesa_pack_uint_24_8_depth_stencil_row(mesa_format format, uint32_t n,
    }
 }
 
-
-
-/**
- * Convert a boolean color mask to a packed color where each channel of
- * the packed value at dst will be 0 or ~0 depending on the colorMask.
- */
-void
-_mesa_pack_colormask(mesa_format format, const uint8_t colorMask[4], void *dst)
-{
-   float maskColor[4];
-
-   switch (_mesa_get_format_datatype(format)) {
-   case GL_UNSIGNED_NORMALIZED:
-      /* simple: 1.0 will convert to ~0 in the right bit positions */
-      maskColor[0] = colorMask[0] ? 1.0f : 0.0f;
-      maskColor[1] = colorMask[1] ? 1.0f : 0.0f;
-      maskColor[2] = colorMask[2] ? 1.0f : 0.0f;
-      maskColor[3] = colorMask[3] ? 1.0f : 0.0f;
-      _mesa_pack_float_rgba_row(format, 1,
-                                (const float (*)[4]) maskColor, dst);
-      break;
-   case GL_SIGNED_NORMALIZED:
-   case GL_FLOAT:
-      /* These formats are harder because it's hard to know the floating
-       * point values that will convert to ~0 for each color channel's bits.
-       * This solution just generates a non-zero value for each color channel
-       * then fixes up the non-zero values to be ~0.
-       * Note: we'll need to add special case code if we ever have to deal
-       * with formats with unequal color channel sizes, like R11_G11_B10.
-       * We issue a warning below for channel sizes other than 8,16,32.
-       */
-      {
-         uint32_t bits = _mesa_get_format_max_bits(format); /* bits per chan */
-         uint32_t bytes = _mesa_get_format_bytes(format);
-         uint32_t i;
-
-         /* this should put non-zero values into the channels of dst */
-         maskColor[0] = colorMask[0] ? -1.0f : 0.0f;
-         maskColor[1] = colorMask[1] ? -1.0f : 0.0f;
-         maskColor[2] = colorMask[2] ? -1.0f : 0.0f;
-         maskColor[3] = colorMask[3] ? -1.0f : 0.0f;
-         _mesa_pack_float_rgba_row(format, 1,
-                                   (const float (*)[4]) maskColor, dst);
-
-         /* fix-up the dst channels by converting non-zero values to ~0 */
-         if (bits == 8) {
-            uint8_t *d = (uint8_t *) dst;
-            for (i = 0; i < bytes; i++) {
-               d[i] = d[i] ? 0xff : 0x0;
-            }
-         }
-         else if (bits == 16) {
-            uint16_t *d = (uint16_t *) dst;
-            for (i = 0; i < bytes / 2; i++) {
-               d[i] = d[i] ? 0xffff : 0x0;
-            }
-         }
-         else if (bits == 32) {
-            uint32_t *d = (uint32_t *) dst;
-            for (i = 0; i < bytes / 4; i++) {
-               d[i] = d[i] ? 0xffffffffU : 0x0;
-            }
-         }
-         else {
-            unreachable("unexpected size in _mesa_pack_colormask()");
-         }
-      }
-      break;
-   default:
-      unreachable("unexpected format data type in gen_color_mask()");
-   }
-}
 """
 
 template = Template(string, future_imports=['division']);