File mozilla-bmo1005535.patch of Package MozillaFirefox.10247

# HG changeset patch
# Parent 376f185a0a757fe128be665adbb705f4a56461bc
# User Steve Singer <steve@ssinger.info>
# Parent  b0e75340f2dfe40d72ad3560dbd756202e2e78c6
Bug 1005535 - Get skia GPU building on big endian.

diff --git a/gfx/skia/skia/include/core/SkColorPriv.h b/gfx/skia/skia/include/core/SkColorPriv.h
--- a/gfx/skia/skia/include/core/SkColorPriv.h
+++ b/gfx/skia/skia/include/core/SkColorPriv.h
@@ -50,27 +50,38 @@ static inline U8CPU SkUnitScalarClampToB
  *  For easier compatibility with Skia's GPU backend, we further restrict these
  *  to either (in memory-byte-order) RGBA or BGRA. Note that this "order" does
  *  not directly correspond to the same shift-order, since we have to take endianess
  *  into account.
  *
  *  Here we enforce this constraint.
  */
 
+/*
 #ifdef SK_CPU_BENDIAN
     #define SK_RGBA_R32_SHIFT   24
     #define SK_RGBA_G32_SHIFT   16
     #define SK_RGBA_B32_SHIFT   8
     #define SK_RGBA_A32_SHIFT   0
 #else
     #define SK_RGBA_R32_SHIFT   0
     #define SK_RGBA_G32_SHIFT   8
     #define SK_RGBA_B32_SHIFT   16
     #define SK_RGBA_A32_SHIFT   24
 #endif
+*/
+    #define SK_RGBA_R32_SHIFT   0
+    #define SK_RGBA_G32_SHIFT   8
+    #define SK_RGBA_B32_SHIFT   16
+    #define SK_RGBA_A32_SHIFT   24
+ 
+    #define SK_BGRA_B32_SHIFT   0
+    #define SK_BGRA_G32_SHIFT   8
+    #define SK_BGRA_R32_SHIFT   16
+    #define SK_BGRA_A32_SHIFT   24
 
 #define SkGetPackedA32(packed)      ((uint32_t)((packed) << (24 - SK_A32_SHIFT)) >> 24)
 #define SkGetPackedR32(packed)      ((uint32_t)((packed) << (24 - SK_R32_SHIFT)) >> 24)
 #define SkGetPackedG32(packed)      ((uint32_t)((packed) << (24 - SK_G32_SHIFT)) >> 24)
 #define SkGetPackedB32(packed)      ((uint32_t)((packed) << (24 - SK_B32_SHIFT)) >> 24)
 
 #define SkA32Assert(a)  SkASSERT((unsigned)(a) <= SK_A32_MASK)
 #define SkR32Assert(r)  SkASSERT((unsigned)(r) <= SK_R32_MASK)
diff --git a/gfx/skia/skia/include/core/SkImageInfo.h b/gfx/skia/skia/include/core/SkImageInfo.h
--- a/gfx/skia/skia/include/core/SkImageInfo.h
+++ b/gfx/skia/skia/include/core/SkImageInfo.h
@@ -79,17 +79,17 @@ enum SkColorType {
 
     kLastEnum_SkColorType = kRGBA_F16_SkColorType,
 
 #if SK_PMCOLOR_BYTE_ORDER(B,G,R,A)
     kN32_SkColorType = kBGRA_8888_SkColorType,
 #elif SK_PMCOLOR_BYTE_ORDER(R,G,B,A)
     kN32_SkColorType = kRGBA_8888_SkColorType,
 #else
-    #error "SK_*32_SHIFT values must correspond to BGRA or RGBA byte order"
+    kN32_SkColorType = kBGRA_8888_SkColorType
 #endif
 };
 
 /**
  *  Returns the number of bytes-per-pixel for the specified colortype, or 0 if invalid.
  */
 SK_API int SkColorTypeBytesPerPixel(SkColorType ct);
 
diff --git a/gfx/skia/skia/include/gpu/GrTypes.h b/gfx/skia/skia/include/gpu/GrTypes.h
--- a/gfx/skia/skia/include/gpu/GrTypes.h
+++ b/gfx/skia/skia/include/gpu/GrTypes.h
@@ -339,25 +339,23 @@ enum GrPixelConfig {
     kPrivateConfig4_GrPixelConfig,
     kPrivateConfig5_GrPixelConfig,
 
     kLast_GrPixelConfig = kPrivateConfig5_GrPixelConfig
 };
 static const int kGrPixelConfigCnt = kLast_GrPixelConfig + 1;
 
 // Aliases for pixel configs that match skia's byte order.
-#ifndef SK_CPU_LENDIAN
-    #error "Skia gpu currently assumes little endian"
-#endif
+
 #if SK_PMCOLOR_BYTE_ORDER(B,G,R,A)
     static const GrPixelConfig kSkia8888_GrPixelConfig = kBGRA_8888_GrPixelConfig;
 #elif SK_PMCOLOR_BYTE_ORDER(R,G,B,A)
     static const GrPixelConfig kSkia8888_GrPixelConfig = kRGBA_8888_GrPixelConfig;
 #else
-    #error "SK_*32_SHIFT values must correspond to GL_BGRA or GL_RGBA format."
+    static const GrPixelConfig kSkia8888_GrPixelConfig = kBGRA_8888_GrPixelConfig;
 #endif
 
 /**
  * Optional bitfield flags that can be set on GrSurfaceDesc (below).
  */
 enum GrSurfaceFlags {
     kNone_GrSurfaceFlags = 0x0,
     /**
diff --git a/gfx/skia/skia/include/private/GrColor.h b/gfx/skia/skia/include/private/GrColor.h
--- a/gfx/skia/skia/include/private/GrColor.h
+++ b/gfx/skia/skia/include/private/GrColor.h
@@ -69,17 +69,17 @@ static inline GrColor GrColorPackA4(unsi
 #define GrColorUnpackG(color)   (((color) >> GrColor_SHIFT_G) & 0xFF)
 #define GrColorUnpackB(color)   (((color) >> GrColor_SHIFT_B) & 0xFF)
 #define GrColorUnpackA(color)   (((color) >> GrColor_SHIFT_A) & 0xFF)
 
 /**
  *  Since premultiplied means that alpha >= color, we construct a color with
  *  each component==255 and alpha == 0 to be "illegal"
  */
-#define GrColor_ILLEGAL     (~(0xFF << GrColor_SHIFT_A))
+#define GrColor_ILLEGAL     ((uint32_t)(~(0xFF << GrColor_SHIFT_A)))
 
 #define GrColor_WHITE 0xFFFFFFFF
 #define GrColor_TRANSPARENT_BLACK 0x0
 
 /**
  * Assert in debug builds that a GrColor is premultiplied.
  */
 static inline void GrColorIsPMAssert(GrColor SkDEBUGCODE(c)) {
diff --git a/gfx/skia/skia/src/core/SkColorData.h b/gfx/skia/skia/src/core/SkColorData.h
--- a/gfx/skia/skia/src/core/SkColorData.h
+++ b/gfx/skia/skia/src/core/SkColorData.h
@@ -77,17 +77,17 @@
 #if !defined(SK_PMCOLOR_IS_RGBA) && !defined(SK_PMCOLOR_IS_BGRA)
     // deduce which to define from the _SHIFT defines
 
     #if LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_RGBA
         #define SK_PMCOLOR_IS_RGBA
     #elif LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_BGRA
         #define SK_PMCOLOR_IS_BGRA
     #else
-        #error "need 32bit packing to be either RGBA or BGRA"
+        #define SK_PMCOLOR_IS_BGRA
     #endif
 #endif
 
 // hide these now that we're done
 #undef LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_RGBA
 #undef LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_BGRA
 
 //////////////////////////////////////////////////////////////////////////////