svga: add missing fallthrough comments

[mesa.git] / src / mesa / main / texcompress_fxt1.c

diff --git a/src/mesa/main/texcompress_fxt1.c b/src/mesa/main/texcompress_fxt1.c
index 562359410b2b81b3922d9c98ed6fbb8b95cf578a..7eedd6e17326306a1748f74a10b24c5dd21bb0d1 100644 (file)
--- a/src/mesa/main/texcompress_fxt1.c
+++ b/src/mesa/main/texcompress_fxt1.c
@@ -29,15 +29,16 @@
  */
 
 
+#include "errors.h"
 #include "glheader.h"
-#include "imports.h"
-#include "colormac.h"
+
 #include "image.h"
 #include "macros.h"
 #include "mipmap.h"
 #include "texcompress.h"
 #include "texcompress_fxt1.h"
 #include "texstore.h"
+#include "mtypes.h"
 
 
 static void
@@ -66,7 +67,7 @@ _mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
    if (srcFormat != GL_RGB ||
        srcType != GL_UNSIGNED_BYTE ||
        ctx->_ImageTransferState ||
-       srcPacking->RowLength != srcWidth ||
+       ALIGN(srcPacking->RowLength, srcPacking->Alignment) != srcWidth ||
        srcPacking->SwapBytes) {
       /* convert image to RGB/GLubyte */
       GLubyte *tempImageSlices[1];
@@ -131,7 +132,11 @@ _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
       tempImageSlices[0] = (GLubyte *) tempImage;
       _mesa_texstore(ctx, dims,
                      baseInternalFormat,
+#if UTIL_ARCH_LITTLE_ENDIAN
                      MESA_FORMAT_R8G8B8A8_UNORM,
+#else
+                     MESA_FORMAT_A8B8G8R8_UNORM,
+#endif
                      rgbaRowStride, tempImageSlices,
                      srcWidth, srcHeight, srcDepth,
                      srcFormat, srcType, srcAddr,
@@ -177,8 +182,8 @@ _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
 #define LL_RMS_D 10 /* fault tolerance (maximum delta) */
 #define LL_RMS_E 255 /* fault tolerance (maximum error) */
 #define ALPHA_TS 2 /* alpha threshold: (255 - ALPHA_TS) deemed opaque */
-#define ISTBLACK(v) (*((GLuint *)(v)) == 0)
-
+static const GLuint zero = 0;
+#define ISTBLACK(v) (memcmp(&(v), &zero, sizeof(zero)) == 0)
 
 /*
  * Define a 64-bit unsigned integer type and macros
@@ -662,7 +667,7 @@ fxt1_quantize_ALPHA1 (GLuint *cc,
            }
            sumL += sum;
        }
-       
+
        nn_comp--;
    }
 
@@ -737,7 +742,7 @@ fxt1_quantize_ALPHA1 (GLuint *cc,
          lolo <<= 2;
          lolo |= texel;
       }
-      
+
       cc[0] = lolo;
    }
 
@@ -1112,7 +1117,7 @@ fxt1_quantize_MIXED0 (GLuint *cc,
          }
          lolo = ~lolo;
       }
-      
+
       cc[0] = lolo;
    }