mesa: remove unreachable code in _mesa_unpack_color_span_ubyte()

We checked if srcType == GL_UNSIGNED_BYTE earlier so there was no
way to reach this code.  This was left-over code from the GLchan
removal work.

Reviewed-by: José Fonseca <jfonseca@vmware.com>

diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c
index 4754d34c64663fd304a5d2b5b00641549bacdbac..0bd4ff1990614eefc2b050e1af21beb0a5ee2318 100644 (file)
--- a/src/mesa/main/pack.c
+++ b/src/mesa/main/pack.c
@@ -3611,70 +3611,6 @@ _mesa_unpack_color_span_ubyte(struct gl_context *ctx,
             return;
          }
       }
-      /*
-       * Common situation, loading 8bit RGBA/RGB source images
-       * into 16/32 bit destination. (OSMesa16/32)
-       */
-      else if (srcType == GL_UNSIGNED_BYTE) {
-         if (dstFormat == GL_RGBA) {
-            if (srcFormat == GL_RGB) {
-               GLuint i;
-               const GLubyte *src = (const GLubyte *) source;
-               GLubyte *dst = dest;
-               for (i = 0; i < n; i++) {
-                  dst[0] = src[0];
-                  dst[1] = src[1];
-                  dst[2] = src[2];
-                  dst[3] = 255;
-                  src += 3;
-                  dst += 4;
-               }
-               return;
-            }
-            else if (srcFormat == GL_RGBA) {
-               GLuint i;
-               const GLubyte *src = (const GLubyte *) source;
-               GLubyte *dst = dest;
-               for (i = 0; i < n; i++) {
-                  dst[0] = src[0];
-                  dst[1] = src[1];
-                  dst[2] = src[2];
-                  dst[3] = src[3];
-                  src += 4;
-                  dst += 4;
-               }
-               return;
-             }
-         }
-         else if (dstFormat == GL_RGB) {
-            if (srcFormat == GL_RGB) {
-               GLuint i;
-               const GLubyte *src = (const GLubyte *) source;
-               GLubyte *dst = dest;
-               for (i = 0; i < n; i++) {
-                  dst[0] = src[0];
-                  dst[1] = src[1];
-                  dst[2] = src[2];
-                  src += 3;
-                  dst += 3;
-               }
-               return;
-            }
-            else if (srcFormat == GL_RGBA) {
-               GLuint i;
-               const GLubyte *src = (const GLubyte *) source;
-               GLubyte *dst = dest;
-               for (i = 0; i < n; i++) {
-                  dst[0] = src[0];
-                  dst[1] = src[1];
-                  dst[2] = src[2];
-                  src += 4;
-                  dst += 3;
-               }
-               return;
-            }
-         }
-      }
    }