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gfx/skia/trunk/src/opts/SkBitmapProcState_opts_arm.cpp@129ffea94266 (annotated)

gfx/skia/trunk/src/opts/SkBitmapProcState_opts_arm.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1	/*
michael@0	2	* Copyright 2009 The Android Open Source Project
michael@0	3	*
michael@0	4	* Use of this source code is governed by a BSD-style license that can be
michael@0	5	* found in the LICENSE file.
michael@0	6	*/
michael@0	7
michael@0	8
michael@0	9	#include "SkBitmapProcState.h"
michael@0	10	#include "SkColorPriv.h"
michael@0	11	#include "SkPaint.h"
michael@0	12	#include "SkTypes.h"
michael@0	13	#include "SkUtils.h"
michael@0	14	#include "SkUtilsArm.h"
michael@0	15
michael@0	16	#include "SkConvolver.h"
michael@0	17
michael@0	18	#if SK_ARM_ARCH >= 6 && !defined(SK_CPU_BENDIAN)
michael@0	19	void SI8_D16_nofilter_DX_arm(
michael@0	20	const SkBitmapProcState& s,
michael@0	21	const uint32_t* SK_RESTRICT xy,
michael@0	22	int count,
michael@0	23	uint16_t* SK_RESTRICT colors) SK_ATTRIBUTE_OPTIMIZE_O1;
michael@0	24
michael@0	25	void SI8_D16_nofilter_DX_arm(const SkBitmapProcState& s,
michael@0	26	const uint32_t* SK_RESTRICT xy,
michael@0	27	int count, uint16_t* SK_RESTRICT colors) {
michael@0	28	SkASSERT(count > 0 && colors != NULL);
michael@0	29	SkASSERT(s.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask));
michael@0	30	SkASSERT(SkPaint::kNone_FilterLevel == s.fFilterLevel);
michael@0	31
michael@0	32	const uint16_t* SK_RESTRICT table = s.fBitmap->getColorTable()->lock16BitCache();
michael@0	33	const uint8_t* SK_RESTRICT srcAddr = (const uint8_t*)s.fBitmap->getPixels();
michael@0	34
michael@0	35	// buffer is y32, x16, x16, x16, x16, x16
michael@0	36	// bump srcAddr to the proper row, since we're told Y never changes
michael@0	37	SkASSERT((unsigned)xy[0] < (unsigned)s.fBitmap->height());
michael@0	38	srcAddr = (const uint8_t*)((const char*)srcAddr +
michael@0	39	xy[0] * s.fBitmap->rowBytes());
michael@0	40
michael@0	41	uint8_t src;
michael@0	42
michael@0	43	if (1 == s.fBitmap->width()) {
michael@0	44	src = srcAddr[0];
michael@0	45	uint16_t dstValue = table[src];
michael@0	46	sk_memset16(colors, dstValue, count);
michael@0	47	} else {
michael@0	48	int i;
michael@0	49	int count8 = count >> 3;
michael@0	50	const uint16_t* SK_RESTRICT xx = (const uint16_t*)(xy + 1);
michael@0	51
michael@0	52	asm volatile (
michael@0	53	"cmp %[count8], #0 \n\t" // compare loop counter with 0
michael@0	54	"beq 2f \n\t" // if loop counter == 0, exit
michael@0	55	"1: \n\t"
michael@0	56	"ldmia %[xx]!, {r5, r7, r9, r11} \n\t" // load ptrs to pixels 0-7
michael@0	57	"subs %[count8], %[count8], #1 \n\t" // decrement loop counter
michael@0	58	"uxth r4, r5 \n\t" // extract ptr 0
michael@0	59	"mov r5, r5, lsr #16 \n\t" // extract ptr 1
michael@0	60	"uxth r6, r7 \n\t" // extract ptr 2
michael@0	61	"mov r7, r7, lsr #16 \n\t" // extract ptr 3
michael@0	62	"ldrb r4, [%[srcAddr], r4] \n\t" // load pixel 0 from image
michael@0	63	"uxth r8, r9 \n\t" // extract ptr 4
michael@0	64	"ldrb r5, [%[srcAddr], r5] \n\t" // load pixel 1 from image
michael@0	65	"mov r9, r9, lsr #16 \n\t" // extract ptr 5
michael@0	66	"ldrb r6, [%[srcAddr], r6] \n\t" // load pixel 2 from image
michael@0	67	"uxth r10, r11 \n\t" // extract ptr 6
michael@0	68	"ldrb r7, [%[srcAddr], r7] \n\t" // load pixel 3 from image
michael@0	69	"mov r11, r11, lsr #16 \n\t" // extract ptr 7
michael@0	70	"ldrb r8, [%[srcAddr], r8] \n\t" // load pixel 4 from image
michael@0	71	"add r4, r4, r4 \n\t" // double pixel 0 for RGB565 lookup
michael@0	72	"ldrb r9, [%[srcAddr], r9] \n\t" // load pixel 5 from image
michael@0	73	"add r5, r5, r5 \n\t" // double pixel 1 for RGB565 lookup
michael@0	74	"ldrb r10, [%[srcAddr], r10] \n\t" // load pixel 6 from image
michael@0	75	"add r6, r6, r6 \n\t" // double pixel 2 for RGB565 lookup
michael@0	76	"ldrb r11, [%[srcAddr], r11] \n\t" // load pixel 7 from image
michael@0	77	"add r7, r7, r7 \n\t" // double pixel 3 for RGB565 lookup
michael@0	78	"ldrh r4, [%[table], r4] \n\t" // load pixel 0 RGB565 from colmap
michael@0	79	"add r8, r8, r8 \n\t" // double pixel 4 for RGB565 lookup
michael@0	80	"ldrh r5, [%[table], r5] \n\t" // load pixel 1 RGB565 from colmap
michael@0	81	"add r9, r9, r9 \n\t" // double pixel 5 for RGB565 lookup
michael@0	82	"ldrh r6, [%[table], r6] \n\t" // load pixel 2 RGB565 from colmap
michael@0	83	"add r10, r10, r10 \n\t" // double pixel 6 for RGB565 lookup
michael@0	84	"ldrh r7, [%[table], r7] \n\t" // load pixel 3 RGB565 from colmap
michael@0	85	"add r11, r11, r11 \n\t" // double pixel 7 for RGB565 lookup
michael@0	86	"ldrh r8, [%[table], r8] \n\t" // load pixel 4 RGB565 from colmap
michael@0	87	"ldrh r9, [%[table], r9] \n\t" // load pixel 5 RGB565 from colmap
michael@0	88	"ldrh r10, [%[table], r10] \n\t" // load pixel 6 RGB565 from colmap
michael@0	89	"ldrh r11, [%[table], r11] \n\t" // load pixel 7 RGB565 from colmap
michael@0	90	"pkhbt r5, r4, r5, lsl #16 \n\t" // pack pixels 0 and 1
michael@0	91	"pkhbt r6, r6, r7, lsl #16 \n\t" // pack pixels 2 and 3
michael@0	92	"pkhbt r8, r8, r9, lsl #16 \n\t" // pack pixels 4 and 5
michael@0	93	"pkhbt r10, r10, r11, lsl #16 \n\t" // pack pixels 6 and 7
michael@0	94	"stmia %[colors]!, {r5, r6, r8, r10} \n\t" // store last 8 pixels
michael@0	95	"bgt 1b \n\t" // loop if counter > 0
michael@0	96	"2: \n\t"
michael@0	97	: [xx] "+r" (xx), [count8] "+r" (count8), [colors] "+r" (colors)
michael@0	98	: [table] "r" (table), [srcAddr] "r" (srcAddr)
michael@0	99	: "memory", "cc", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11"
michael@0	100	);
michael@0	101
michael@0	102	for (i = (count & 7); i > 0; --i) {
michael@0	103	src = srcAddr[*xx++]; *colors++ = table[src];
michael@0	104	}
michael@0	105	}
michael@0	106
michael@0	107	s.fBitmap->getColorTable()->unlock16BitCache();
michael@0	108	}
michael@0	109
michael@0	110	void SI8_opaque_D32_nofilter_DX_arm(
michael@0	111	const SkBitmapProcState& s,
michael@0	112	const uint32_t* SK_RESTRICT xy,
michael@0	113	int count,
michael@0	114	SkPMColor* SK_RESTRICT colors) SK_ATTRIBUTE_OPTIMIZE_O1;
michael@0	115
michael@0	116	void SI8_opaque_D32_nofilter_DX_arm(const SkBitmapProcState& s,
michael@0	117	const uint32_t* SK_RESTRICT xy,
michael@0	118	int count, SkPMColor* SK_RESTRICT colors) {
michael@0	119	SkASSERT(count > 0 && colors != NULL);
michael@0	120	SkASSERT(s.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask));
michael@0	121	SkASSERT(SkPaint::kNone_FilterLevel == s.fFilterLevel);
michael@0	122
michael@0	123	const SkPMColor* SK_RESTRICT table = s.fBitmap->getColorTable()->lockColors();
michael@0	124	const uint8_t* SK_RESTRICT srcAddr = (const uint8_t*)s.fBitmap->getPixels();
michael@0	125
michael@0	126	// buffer is y32, x16, x16, x16, x16, x16
michael@0	127	// bump srcAddr to the proper row, since we're told Y never changes
michael@0	128	SkASSERT((unsigned)xy[0] < (unsigned)s.fBitmap->height());
michael@0	129	srcAddr = (const uint8_t*)((const char*)srcAddr + xy[0] * s.fBitmap->rowBytes());
michael@0	130
michael@0	131	if (1 == s.fBitmap->width()) {
michael@0	132	uint8_t src = srcAddr[0];
michael@0	133	SkPMColor dstValue = table[src];
michael@0	134	sk_memset32(colors, dstValue, count);
michael@0	135	} else {
michael@0	136	const uint16_t* xx = (const uint16_t*)(xy + 1);
michael@0	137
michael@0	138	asm volatile (
michael@0	139	"subs %[count], %[count], #8 \n\t" // decrement count by 8, set flags
michael@0	140	"blt 2f \n\t" // if count < 0, branch to singles
michael@0	141	"1: \n\t" // eights loop
michael@0	142	"ldmia %[xx]!, {r5, r7, r9, r11} \n\t" // load ptrs to pixels 0-7
michael@0	143	"uxth r4, r5 \n\t" // extract ptr 0
michael@0	144	"mov r5, r5, lsr #16 \n\t" // extract ptr 1
michael@0	145	"uxth r6, r7 \n\t" // extract ptr 2
michael@0	146	"mov r7, r7, lsr #16 \n\t" // extract ptr 3
michael@0	147	"ldrb r4, [%[srcAddr], r4] \n\t" // load pixel 0 from image
michael@0	148	"uxth r8, r9 \n\t" // extract ptr 4
michael@0	149	"ldrb r5, [%[srcAddr], r5] \n\t" // load pixel 1 from image
michael@0	150	"mov r9, r9, lsr #16 \n\t" // extract ptr 5
michael@0	151	"ldrb r6, [%[srcAddr], r6] \n\t" // load pixel 2 from image
michael@0	152	"uxth r10, r11 \n\t" // extract ptr 6
michael@0	153	"ldrb r7, [%[srcAddr], r7] \n\t" // load pixel 3 from image
michael@0	154	"mov r11, r11, lsr #16 \n\t" // extract ptr 7
michael@0	155	"ldrb r8, [%[srcAddr], r8] \n\t" // load pixel 4 from image
michael@0	156	"ldrb r9, [%[srcAddr], r9] \n\t" // load pixel 5 from image
michael@0	157	"ldrb r10, [%[srcAddr], r10] \n\t" // load pixel 6 from image
michael@0	158	"ldrb r11, [%[srcAddr], r11] \n\t" // load pixel 7 from image
michael@0	159	"ldr r4, [%[table], r4, lsl #2] \n\t" // load pixel 0 SkPMColor from colmap
michael@0	160	"ldr r5, [%[table], r5, lsl #2] \n\t" // load pixel 1 SkPMColor from colmap
michael@0	161	"ldr r6, [%[table], r6, lsl #2] \n\t" // load pixel 2 SkPMColor from colmap
michael@0	162	"ldr r7, [%[table], r7, lsl #2] \n\t" // load pixel 3 SkPMColor from colmap
michael@0	163	"ldr r8, [%[table], r8, lsl #2] \n\t" // load pixel 4 SkPMColor from colmap
michael@0	164	"ldr r9, [%[table], r9, lsl #2] \n\t" // load pixel 5 SkPMColor from colmap
michael@0	165	"ldr r10, [%[table], r10, lsl #2] \n\t" // load pixel 6 SkPMColor from colmap
michael@0	166	"ldr r11, [%[table], r11, lsl #2] \n\t" // load pixel 7 SkPMColor from colmap
michael@0	167	"subs %[count], %[count], #8 \n\t" // decrement loop counter
michael@0	168	"stmia %[colors]!, {r4-r11} \n\t" // store 8 pixels
michael@0	169	"bge 1b \n\t" // loop if counter >= 0
michael@0	170	"2: \n\t"
michael@0	171	"adds %[count], %[count], #8 \n\t" // fix up counter, set flags
michael@0	172	"beq 4f \n\t" // if count == 0, branch to exit
michael@0	173	"3: \n\t" // singles loop
michael@0	174	"ldrh r4, [%[xx]], #2 \n\t" // load pixel ptr
michael@0	175	"subs %[count], %[count], #1 \n\t" // decrement loop counter
michael@0	176	"ldrb r5, [%[srcAddr], r4] \n\t" // load pixel from image
michael@0	177	"ldr r6, [%[table], r5, lsl #2] \n\t" // load SkPMColor from colmap
michael@0	178	"str r6, [%[colors]], #4 \n\t" // store pixel, update ptr
michael@0	179	"bne 3b \n\t" // loop if counter != 0
michael@0	180	"4: \n\t" // exit
michael@0	181	: [xx] "+r" (xx), [count] "+r" (count), [colors] "+r" (colors)
michael@0	182	: [table] "r" (table), [srcAddr] "r" (srcAddr)
michael@0	183	: "memory", "cc", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11"
michael@0	184	);
michael@0	185	}
michael@0	186
michael@0	187	s.fBitmap->getColorTable()->unlockColors();
michael@0	188	}
michael@0	189	#endif // SK_ARM_ARCH >= 6 && !defined(SK_CPU_BENDIAN)
michael@0	190
michael@0	191	///////////////////////////////////////////////////////////////////////////////
michael@0	192
michael@0	193	/* If we replace a sampleproc, then we null-out the associated shaderproc,
michael@0	194	otherwise the shader won't even look at the matrix/sampler
michael@0	195	*/
michael@0	196	void SkBitmapProcState::platformProcs() {
michael@0	197	bool isOpaque = 256 == fAlphaScale;
michael@0	198	bool justDx = false;
michael@0	199
michael@0	200	if (fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) {
michael@0	201	justDx = true;
michael@0	202	}
michael@0	203
michael@0	204	switch (fBitmap->config()) {
michael@0	205	case SkBitmap::kIndex8_Config:
michael@0	206	#if SK_ARM_ARCH >= 6 && !defined(SK_CPU_BENDIAN)
michael@0	207	if (justDx && SkPaint::kNone_FilterLevel == fFilterLevel) {
michael@0	208	#if 0 /* crashing on android device */
michael@0	209	fSampleProc16 = SI8_D16_nofilter_DX_arm;
michael@0	210	fShaderProc16 = NULL;
michael@0	211	#endif
michael@0	212	if (isOpaque) {
michael@0	213	// this one is only very slighty faster than the C version
michael@0	214	fSampleProc32 = SI8_opaque_D32_nofilter_DX_arm;
michael@0	215	fShaderProc32 = NULL;
michael@0	216	}
michael@0	217	}
michael@0	218	#endif
michael@0	219	break;
michael@0	220	default:
michael@0	221	break;
michael@0	222	}
michael@0	223	}
michael@0	224
michael@0	225	///////////////////////////////////////////////////////////////////////////////
michael@0	226
michael@0	227	extern void platformConvolutionProcs_arm_neon(SkConvolutionProcs* procs);
michael@0	228
michael@0	229	void platformConvolutionProcs_arm(SkConvolutionProcs* procs) {
michael@0	230	}
michael@0	231
michael@0	232	void SkBitmapProcState::platformConvolutionProcs(SkConvolutionProcs* procs) {
michael@0	233	SK_ARM_NEON_WRAP(platformConvolutionProcs_arm)(procs);
michael@0	234	}