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Bug 901208 - Fix Skia for ARM v4t. r=derf

This commit is contained in:
Mike Hommey 2013-08-20 09:14:01 +09:00
Родитель 137770715d
Коммит 4d977848be
2 изменённых файлов: 96 добавлений и 1 удалений
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83
gfx/skia/patches/0026-Bug-901208-Fix-ARM-v4t.patch Normal file
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@ -0,0 +1,83 @@
diff --git a/gfx/skia/src/opts/SkBlitRow_opts_arm.cpp b/gfx/skia/src/opts/SkBlitRow_opts_arm.cpp
--- a/gfx/skia/src/opts/SkBlitRow_opts_arm.cpp
+++ b/gfx/skia/src/opts/SkBlitRow_opts_arm.cpp
@@ -26,66 +26,78 @@ static void S32A_D565_Opaque(uint16_t* S
asm volatile (
"1: \n\t"
"ldr r3, [%[src]], #4 \n\t"
"cmp r3, #0xff000000 \n\t"
"blo 2f \n\t"
"and r4, r3, #0x0000f8 \n\t"
"and r5, r3, #0x00fc00 \n\t"
"and r6, r3, #0xf80000 \n\t"
+#ifdef SK_ARM_HAS_EDSP
"pld [r1, #32] \n\t"
+#endif
"lsl r3, r4, #8 \n\t"
"orr r3, r3, r5, lsr #5 \n\t"
"orr r3, r3, r6, lsr #19 \n\t"
"subs %[count], %[count], #1 \n\t"
"strh r3, [%[dst]], #2 \n\t"
"bne 1b \n\t"
"b 4f \n\t"
"2: \n\t"
"lsrs r7, r3, #24 \n\t"
"beq 3f \n\t"
"ldrh r4, [%[dst]] \n\t"
"rsb r7, r7, #255 \n\t"
"and r6, r4, #0x001f \n\t"
-#if SK_ARM_ARCH == 6
+#if SK_ARM_ARCH <= 6
"lsl r5, r4, #21 \n\t"
"lsr r5, r5, #26 \n\t"
#else
"ubfx r5, r4, #5, #6 \n\t"
#endif
+#ifdef SK_ARM_HAS_EDSP
"pld [r0, #16] \n\t"
+#endif
"lsr r4, r4, #11 \n\t"
#ifdef SK_ARM_HAS_EDSP
"smulbb r6, r6, r7 \n\t"
"smulbb r5, r5, r7 \n\t"
"smulbb r4, r4, r7 \n\t"
#else
"mul r6, r6, r7 \n\t"
"mul r5, r5, r7 \n\t"
"mul r4, r4, r7 \n\t"
#endif
+#if SK_ARM_ARCH >= 6
"uxtb r7, r3, ROR #16 \n\t"
"uxtb ip, r3, ROR #8 \n\t"
+#else
+ "mov ip, #0xff \n\t"
+ "and r7, ip, r3, ROR #16 \n\t"
+ "and ip, ip, r3, ROR #8 \n\t"
+#endif
"and r3, r3, #0xff \n\t"
"add r6, r6, #16 \n\t"
"add r5, r5, #32 \n\t"
"add r4, r4, #16 \n\t"
"add r6, r6, r6, lsr #5 \n\t"
"add r5, r5, r5, lsr #6 \n\t"
"add r4, r4, r4, lsr #5 \n\t"
"add r6, r7, r6, lsr #5 \n\t"
"add r5, ip, r5, lsr #6 \n\t"
"add r4, r3, r4, lsr #5 \n\t"
"lsr r6, r6, #3 \n\t"
"and r5, r5, #0xfc \n\t"
"and r4, r4, #0xf8 \n\t"
"orr r6, r6, r5, lsl #3 \n\t"
"orr r4, r6, r4, lsl #8 \n\t"
"strh r4, [%[dst]], #2 \n\t"
+#ifdef SK_ARM_HAS_EDSP
"pld [r1, #32] \n\t"
+#endif
"subs %[count], %[count], #1 \n\t"
"bne 1b \n\t"
"b 4f \n\t"
"3: \n\t"
"subs %[count], %[count], #1 \n\t"
"add %[dst], %[dst], #2 \n\t"
"bne 1b \n\t"
"4: \n\t"

14
gfx/skia/src/opts/SkBlitRow_opts_arm.cpp
Просмотреть файл

@ -31,7 +31,9 @@ static void S32A_D565_Opaque(uint16_t* SK_RESTRICT dst,
"and r4, r3, #0x0000f8 \n\t"
"and r5, r3, #0x00fc00 \n\t"
"and r6, r3, #0xf80000 \n\t"
#ifdef SK_ARM_HAS_EDSP
"pld [r1, #32] \n\t"
#endif
"lsl r3, r4, #8 \n\t"
"orr r3, r3, r5, lsr #5 \n\t"
"orr r3, r3, r6, lsr #19 \n\t"
@ -45,13 +47,15 @@ static void S32A_D565_Opaque(uint16_t* SK_RESTRICT dst,
"ldrh r4, [%[dst]] \n\t"
"rsb r7, r7, #255 \n\t"
"and r6, r4, #0x001f \n\t"
#if SK_ARM_ARCH == 6
#if SK_ARM_ARCH <= 6
"lsl r5, r4, #21 \n\t"
"lsr r5, r5, #26 \n\t"
#else
"ubfx r5, r4, #5, #6 \n\t"
#endif
#ifdef SK_ARM_HAS_EDSP
"pld [r0, #16] \n\t"
#endif
"lsr r4, r4, #11 \n\t"
#ifdef SK_ARM_HAS_EDSP
"smulbb r6, r6, r7 \n\t"
@ -62,8 +66,14 @@ static void S32A_D565_Opaque(uint16_t* SK_RESTRICT dst,
"mul r5, r5, r7 \n\t"
"mul r4, r4, r7 \n\t"
#endif
#if SK_ARM_ARCH >= 6
"uxtb r7, r3, ROR #16 \n\t"
"uxtb ip, r3, ROR #8 \n\t"
#else
"mov ip, #0xff \n\t"
"and r7, ip, r3, ROR #16 \n\t"
"and ip, ip, r3, ROR #8 \n\t"
#endif
"and r3, r3, #0xff \n\t"
"add r6, r6, #16 \n\t"
"add r5, r5, #32 \n\t"
@ -80,7 +90,9 @@ static void S32A_D565_Opaque(uint16_t* SK_RESTRICT dst,
"orr r6, r6, r5, lsl #3 \n\t"
"orr r4, r6, r4, lsl #8 \n\t"
"strh r4, [%[dst]], #2 \n\t"
#ifdef SK_ARM_HAS_EDSP
"pld [r1, #32] \n\t"
#endif
"subs %[count], %[count], #1 \n\t"
"bne 1b \n\t"
"b 4f \n\t"