--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mozilla-bmo1005535.patch Sun Apr 01 23:51:44 2018 +0200
@@ -0,0 +1,123 @@
+# HG changeset patch
+# Parent 376f185a0a757fe128be665adbb705f4a56461bc
+# User Steve Singer <steve@ssinger.info>
+# Parent 371f01835b6fe4cb6b7095a6c29f7bb54f6d6257
+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
+@@ -27,37 +27,27 @@
+ * 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
+
+- #define SK_BGRA_B32_SHIFT 24
+- #define SK_BGRA_G32_SHIFT 16
+- #define SK_BGRA_R32_SHIFT 8
+- #define SK_BGRA_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
+
+ #define SK_BGRA_B32_SHIFT 0
+ #define SK_BGRA_G32_SHIFT 8
+ #define SK_BGRA_R32_SHIFT 16
+ #define SK_BGRA_A32_SHIFT 24
+-#endif
++
+
+ #if defined(SK_PMCOLOR_IS_RGBA) && defined(SK_PMCOLOR_IS_BGRA)
+ #error "can't define PMCOLOR to be RGBA and BGRA"
+ #endif
+
+ #define LOCAL_PMCOLOR_SHIFTS_EQUIVALENT_TO_RGBA \
+ (SK_A32_SHIFT == SK_RGBA_A32_SHIFT && \
+ SK_R32_SHIFT == SK_RGBA_R32_SHIFT && \
+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
+@@ -78,17 +78,17 @@ 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_SHFIT values must correspond to BGRA or RGBA byte order"
++ kN32_SkColorType = kBGRA_8888_SkColorType
+ #endif
+ };
+
+ static int SkColorTypeBytesPerPixel(SkColorType ct) {
+ static const uint8_t gSize[] = {
+ 0, // Unknown
+ 1, // Alpha_8
+ 2, // RGB_565
+diff --git a/gfx/skia/skia/include/gpu/GrColor.h b/gfx/skia/skia/include/gpu/GrColor.h
+--- a/gfx/skia/skia/include/gpu/GrColor.h
++++ b/gfx/skia/skia/include/gpu/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/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
+@@ -321,25 +321,23 @@ enum GrPixelConfig {
+ */
+ kRGBA_half_GrPixelConfig,
+
+ kLast_GrPixelConfig = kRGBA_half_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
+
+ // Returns true if the pixel config is a GPU-specific compressed format
+ // representation.
+ static inline bool GrPixelConfigIsCompressed(GrPixelConfig config) {
+ switch (config) {
+ case kETC1_GrPixelConfig:
+ return true;