diff options
Diffstat (limited to 'recipes/xorg-lib')
7 files changed, 680 insertions, 2 deletions
diff --git a/recipes/xorg-lib/pixman/0001-ARM-NEON-optimized-pixman_blt.patch b/recipes/xorg-lib/pixman/0001-ARM-NEON-optimized-pixman_blt.patch new file mode 100644 index 0000000000..ed2b68d782 --- /dev/null +++ b/recipes/xorg-lib/pixman/0001-ARM-NEON-optimized-pixman_blt.patch @@ -0,0 +1,104 @@ +From e94b8057370a430eb91b914ed4c0050f72e9fa37 Mon Sep 17 00:00:00 2001 +From: Siarhei Siamashka <siarhei.siamashka@nokia.com> +Date: Wed, 18 Nov 2009 04:26:18 +0200 +Subject: [PATCH 1/6] ARM: NEON optimized pixman_blt + +--- + pixman/pixman-arm-neon.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++ + 1 files changed, 67 insertions(+), 0 deletions(-) + +diff --git a/pixman/pixman-arm-neon.c b/pixman/pixman-arm-neon.c +index 2ed8b4b..495fda4 100644 +--- a/pixman/pixman-arm-neon.c ++++ b/pixman/pixman-arm-neon.c +@@ -292,6 +292,43 @@ pixman_fill_neon (uint32_t *bits, + } + } + ++static pixman_bool_t ++pixman_blt_neon (uint32_t *src_bits, ++ uint32_t *dst_bits, ++ int src_stride, ++ int dst_stride, ++ int src_bpp, ++ int dst_bpp, ++ int src_x, ++ int src_y, ++ int dst_x, ++ int dst_y, ++ int width, ++ int height) ++{ ++ switch (src_bpp) ++ { ++ case 16: ++ pixman_composite_src_0565_0565_asm_neon ( ++ width, height, ++ (uint16_t *)(((char *) dst_bits) + ++ dst_y * dst_stride * 4 + dst_x * 2), dst_stride * 2, ++ (uint16_t *)(((char *) src_bits) + ++ src_y * src_stride * 4 + src_x * 2), src_stride * 2); ++ return TRUE; ++ case 32: ++ pixman_composite_src_8888_8888_asm_neon ( ++ width, height, ++ (uint32_t *)(((char *) dst_bits) + ++ dst_y * dst_stride * 4 + dst_x * 4), dst_stride, ++ (uint32_t *)(((char *) src_bits) + ++ src_y * src_stride * 4 + src_x * 4), src_stride); ++ return TRUE; ++ default: ++ return FALSE; ++ } ++} ++ + static const pixman_fast_path_t arm_neon_fast_path_array[] = + { + { PIXMAN_OP_SRC, PIXMAN_r5g6b5, PIXMAN_null, PIXMAN_r5g6b5, neon_composite_src_0565_0565 }, +@@ -361,6 +398,35 @@ arm_neon_composite (pixman_implementation_t *imp, + } + + static pixman_bool_t ++arm_neon_blt (pixman_implementation_t *imp, ++ uint32_t * src_bits, ++ uint32_t * dst_bits, ++ int src_stride, ++ int dst_stride, ++ int src_bpp, ++ int dst_bpp, ++ int src_x, ++ int src_y, ++ int dst_x, ++ int dst_y, ++ int width, ++ int height) ++{ ++ if (!pixman_blt_neon ( ++ src_bits, dst_bits, src_stride, dst_stride, src_bpp, dst_bpp, ++ src_x, src_y, dst_x, dst_y, width, height)) ++ ++ { ++ return _pixman_implementation_blt ( ++ imp->delegate, ++ src_bits, dst_bits, src_stride, dst_stride, src_bpp, dst_bpp, ++ src_x, src_y, dst_x, dst_y, width, height); ++ } ++ ++ return TRUE; ++} ++ ++static pixman_bool_t + arm_neon_fill (pixman_implementation_t *imp, + uint32_t * bits, + int stride, +@@ -385,6 +451,7 @@ _pixman_implementation_create_arm_neon (void) + pixman_implementation_t *imp = _pixman_implementation_create (general); + + imp->composite = arm_neon_composite; ++ imp->blt = arm_neon_blt; + imp->fill = arm_neon_fill; + + return imp; +-- +1.6.2.4 + diff --git a/recipes/xorg-lib/pixman/0002-Test-program-for-pixman_blt-function.patch b/recipes/xorg-lib/pixman/0002-Test-program-for-pixman_blt-function.patch new file mode 100644 index 0000000000..143e79dabf --- /dev/null +++ b/recipes/xorg-lib/pixman/0002-Test-program-for-pixman_blt-function.patch @@ -0,0 +1,178 @@ +From 364406e03f9651aacb1bc684de6c00a27f9df66d Mon Sep 17 00:00:00 2001 +From: Siarhei Siamashka <siarhei.siamashka@nokia.com> +Date: Mon, 19 Oct 2009 20:32:55 +0300 +Subject: [PATCH 2/6] Test program for pixman_blt function + +It can do some basic correctness tests and also check whether +overlapping of source and destination images is supported. +--- + test/Makefile.am | 2 + + test/overlapped-blt-test.c | 136 ++++++++++++++++++++++++++++++++++++++++++++ + 2 files changed, 138 insertions(+), 0 deletions(-) + create mode 100644 test/overlapped-blt-test.c + +diff --git a/test/Makefile.am b/test/Makefile.am +index 89d32e9..40c305f 100644 +--- a/test/Makefile.am ++++ b/test/Makefile.am +@@ -9,6 +9,7 @@ TESTPROGRAMS = \ + fetch-test \ + oob-test \ + window-test \ ++ overlapped-blt-test \ + trap-crasher + + fetch_test_LDADD = $(TEST_LDADD) +@@ -17,6 +18,7 @@ composite_LDADD = $(TEST_LDADD) + trap_crasher_LDADD = $(TEST_LDADD) + oob_test_LDADD = $(TEST_LDADD) + window_test_LDADD = $(TEST_LDADD) ++overlapped_blt_test_LDADD = $(TEST_LDADD) + + blitters_test_LDADD = $(TEST_LDADD) + blitters_test_SOURCES = blitters-test.c utils.c utils.h +diff --git a/test/overlapped-blt-test.c b/test/overlapped-blt-test.c +new file mode 100644 +index 0000000..95fbc54 +--- /dev/null ++++ b/test/overlapped-blt-test.c +@@ -0,0 +1,136 @@ ++/* ++ * A small test program which can check whether pixman_blt function ++ * can support overlapping of source and destination images. ++ * Efficient blit with overlapping is useful for scrolling. ++ */ ++ ++#include <stdint.h> ++#include <stdio.h> ++#include <stdlib.h> ++#include <string.h> ++#include "pixman.h" ++ ++/* reference implementation (slow) */ ++static void ++trivial_copy8_2d ( ++ uint8_t *dst, int dst_stride, ++ uint8_t *src, int src_stride, ++ int dx, int dy, int sx, int sy, ++ int w, int h) ++{ ++ int x, y; ++ uint8_t *tmp = malloc (src_stride * (sy + h)); ++ memcpy (tmp, src, src_stride * (sy + h)); ++ for (y = 0; y < h; y++) ++ { ++ for (x = 0; x < w; x++) ++ { ++ *(dst + (dy + y) * dst_stride + dx + x) = ++ *(tmp + (sy + y) * src_stride + sx + x); ++ } ++ } ++ free (tmp); ++} ++ ++static void ++trivial_copy_2d ( ++ uint8_t *dst, int dst_stride, ++ uint8_t *src, int src_stride, ++ int dx, int dy, int sx, int sy, ++ int w, int h, int bpp) ++{ ++ trivial_copy8_2d (dst, dst_stride, src, src_stride, ++ dx * (bpp / 8), dy, sx * (bpp / 8), sy, w * (bpp / 8), h); ++} ++ ++/* now the test itself */ ++ ++#define ST_UNSUPPORTED 1 ++#define ST_NORMAL_BUG 2 ++#define ST_OVERLAPPED_BUG 4 ++ ++#define MAX_SIZE_X 64 ++#define MAX_SIZE_Y 64 ++ ++static void print_result(int bpp, int flags) ++{ ++ printf("bpp=%d, supported=%d, normal_ok=%d, overlapped_ok=%d\n", ++ bpp, ++ !(flags & ST_UNSUPPORTED), ++ !(flags & ST_NORMAL_BUG), ++ !(flags & ST_OVERLAPPED_BUG)); ++} ++ ++int main() ++{ ++ int c = 100000, r; ++ int bpp_st[33] = {0}; ++ srand(0); ++ while (c-- > 0) ++ { ++ uint8_t *src1, *src2, *src3; ++ int i; ++ int sizex = rand() % MAX_SIZE_X + 1; ++ int sizey = rand() % MAX_SIZE_Y + 1; ++ int sx = rand() % sizex; ++ int sy = rand() % sizey; ++ int dx = rand() % sizex; ++ int dy = rand() % sizey; ++ int w = rand() % sizex; ++ int h = rand() % sizex; ++ int bpp = 8 * (1 << (rand() % 3)); ++ int stride_delta = rand() % 8; ++ int bufsize; ++ if ((sizex + stride_delta) % 4) ++ stride_delta += 4 - ((sizex + stride_delta) % 4); ++ bufsize = (sizex + stride_delta) * sizey * bpp / 8; ++ src1 = malloc (bufsize); ++ src2 = malloc (bufsize); ++ src3 = malloc (bufsize); ++ for (i = 0; i < bufsize; i++) ++ src1[i] = rand(); ++ memcpy (src2, src1, bufsize); ++ memcpy (src3, src1, bufsize); ++ if (sx + w > sizex) ++ w = sizex - sx; ++ if (dx + w > sizex) ++ w = sizex - dx; ++ if (sy + h > sizey) ++ h = sizey - sy; ++ if (dy + h > sizey) ++ h = sizey - dy; ++ /* get reference result */ ++ trivial_copy_2d (src1, (sizex + stride_delta) * bpp / 8, ++ src1, (sizex + stride_delta) * bpp / 8, ++ dx, dy, sx, sy, w, h, bpp); ++ /* check nonoverlapped pixman result */ ++ r = pixman_blt ((uint32_t *)src3, (uint32_t *)src2, ++ (sizex + stride_delta) * bpp / 8 / 4, ++ (sizex + stride_delta) * bpp / 8 / 4, ++ bpp, bpp, sx, sy, dx, dy, w, h); ++ if (!r) ++ bpp_st[bpp] |= ST_UNSUPPORTED; ++ if (memcmp (src1, src2, bufsize) != 0) ++ bpp_st[bpp] |= ST_NORMAL_BUG; ++ /* check overlapped pixman result */ ++ r = pixman_blt ((uint32_t *)src3, (uint32_t *)src3, ++ (sizex + stride_delta) * bpp / 8 / 4, ++ (sizex + stride_delta) * bpp / 8 / 4, ++ bpp, bpp, sx, sy, dx, dy, w, h); ++ if (!r) ++ bpp_st[bpp] |= ST_UNSUPPORTED; ++ if (memcmp (src1, src3, bufsize) != 0) ++ bpp_st[bpp] |= ST_OVERLAPPED_BUG; ++ /* free buffers */ ++ free (src1); ++ free (src2); ++ free (src3); ++ } ++ ++ /* report results */ ++ print_result (8, bpp_st[8]); ++ print_result (16, bpp_st[16]); ++ print_result (32, bpp_st[32]); ++ ++ return 0; ++} +-- +1.6.2.4 + diff --git a/recipes/xorg-lib/pixman/0003-Generic-C-implementation-of-pixman_blt-with-overlapp.patch b/recipes/xorg-lib/pixman/0003-Generic-C-implementation-of-pixman_blt-with-overlapp.patch new file mode 100644 index 0000000000..25ce7ee3b8 --- /dev/null +++ b/recipes/xorg-lib/pixman/0003-Generic-C-implementation-of-pixman_blt-with-overlapp.patch @@ -0,0 +1,114 @@ +From c29c9fa826b7112156fd6150b5f1564227935c05 Mon Sep 17 00:00:00 2001 +From: Siarhei Siamashka <siarhei.siamashka@nokia.com> +Date: Thu, 22 Oct 2009 05:27:33 +0300 +Subject: [PATCH 3/6] Generic C implementation of pixman_blt with overlapping support + +Uses memcpy/memmove functions to copy pixels, can handle the +case when both source and destination areas are in the same +image (this is useful for scrolling). + +It is assumed that copying direction is only important when +using the same image for both source and destination (and +src_stride == dst_stride). Copying direction is undefined +for the images with different source and destination stride +which happen to be in the overlapped areas (but this is an +unrealistic case anyway). +--- + pixman/pixman-general.c | 21 ++++++++++++++++++--- + pixman/pixman-private.h | 43 +++++++++++++++++++++++++++++++++++++++++++ + 2 files changed, 61 insertions(+), 3 deletions(-) + +diff --git a/pixman/pixman-general.c b/pixman/pixman-general.c +index c96a3f9..d71a299 100644 +--- a/pixman/pixman-general.c ++++ b/pixman/pixman-general.c +@@ -300,9 +300,24 @@ general_blt (pixman_implementation_t *imp, + int width, + int height) + { +- /* We can't blit unless we have sse2 or mmx */ +- +- return FALSE; ++ uint8_t *dst_bytes = (uint8_t *)dst_bits; ++ uint8_t *src_bytes = (uint8_t *)src_bits; ++ int bpp; ++ ++ if (src_bpp != dst_bpp || src_bpp & 7) ++ return FALSE; ++ ++ bpp = src_bpp >> 3; ++ width *= bpp; ++ src_stride *= 4; ++ dst_stride *= 4; ++ pixman_blt_helper (src_bytes + src_y * src_stride + src_x * bpp, ++ dst_bytes + dst_y * dst_stride + dst_x * bpp, ++ src_stride, ++ dst_stride, ++ width, ++ height); ++ return TRUE; + } + + static pixman_bool_t +diff --git a/pixman/pixman-private.h b/pixman/pixman-private.h +index 5000f91..8c5d4fd 100644 +--- a/pixman/pixman-private.h ++++ b/pixman/pixman-private.h +@@ -10,6 +10,7 @@ + + #include "pixman.h" + #include <time.h> ++#include <string.h> + #include <assert.h> + + #include "pixman-compiler.h" +@@ -794,4 +795,46 @@ void pixman_timer_register (pixman_timer_t *timer); + + #endif /* PIXMAN_TIMERS */ + ++/* a helper function, can blit 8-bit images with src/dst overlapping support */ ++static inline void ++pixman_blt_helper (uint8_t *src_bytes, ++ uint8_t *dst_bytes, ++ int src_stride, ++ int dst_stride, ++ int width, ++ int height) ++{ ++ /* ++ * The second part of this check is not strictly needed, but it prevents ++ * unnecessary upside-down processing of areas which belong to different ++ * images. Upside-down processing can be slower with fixed-distance-ahead ++ * prefetch and perceived as having more tearing. ++ */ ++ if (src_bytes < dst_bytes + width && ++ src_bytes + src_stride * height > dst_bytes) ++ { ++ src_bytes += src_stride * height - src_stride; ++ dst_bytes += dst_stride * height - dst_stride; ++ dst_stride = -dst_stride; ++ src_stride = -src_stride; ++ /* Horizontal scrolling to the left needs memmove */ ++ if (src_bytes + width > dst_bytes) ++ { ++ while (--height >= 0) ++ { ++ memmove (dst_bytes, src_bytes, width); ++ dst_bytes += dst_stride; ++ src_bytes += src_stride; ++ } ++ return; ++ } ++ } ++ while (--height >= 0) ++ { ++ memcpy (dst_bytes, src_bytes, width); ++ dst_bytes += dst_stride; ++ src_bytes += src_stride; ++ } ++} ++ + #endif /* PIXMAN_PRIVATE_H */ +-- +1.6.2.4 + diff --git a/recipes/xorg-lib/pixman/0004-Support-of-overlapping-src-dst-for-pixman_blt_mmx.patch b/recipes/xorg-lib/pixman/0004-Support-of-overlapping-src-dst-for-pixman_blt_mmx.patch new file mode 100644 index 0000000000..74c7b45bc4 --- /dev/null +++ b/recipes/xorg-lib/pixman/0004-Support-of-overlapping-src-dst-for-pixman_blt_mmx.patch @@ -0,0 +1,91 @@ +From 7ca32542c957ff308a6ca7e3715e6552a65ae395 Mon Sep 17 00:00:00 2001 +From: Siarhei Siamashka <siarhei.siamashka@nokia.com> +Date: Thu, 22 Oct 2009 05:45:47 +0300 +Subject: [PATCH 4/6] Support of overlapping src/dst for pixman_blt_mmx + +--- + pixman/pixman-mmx.c | 55 +++++++++++++++++++++++++++++--------------------- + 1 files changed, 32 insertions(+), 23 deletions(-) + +diff --git a/pixman/pixman-mmx.c b/pixman/pixman-mmx.c +index 819e3a0..dcccadb 100644 +--- a/pixman/pixman-mmx.c ++++ b/pixman/pixman-mmx.c +@@ -3002,34 +3002,43 @@ pixman_blt_mmx (uint32_t *src_bits, + { + uint8_t * src_bytes; + uint8_t * dst_bytes; +- int byte_width; ++ int bpp; + +- if (src_bpp != dst_bpp) ++ if (src_bpp != dst_bpp || src_bpp & 7) + return FALSE; + +- if (src_bpp == 16) +- { +- src_stride = src_stride * (int) sizeof (uint32_t) / 2; +- dst_stride = dst_stride * (int) sizeof (uint32_t) / 2; +- src_bytes = (uint8_t *)(((uint16_t *)src_bits) + src_stride * (src_y) + (src_x)); +- dst_bytes = (uint8_t *)(((uint16_t *)dst_bits) + dst_stride * (dst_y) + (dst_x)); +- byte_width = 2 * width; +- src_stride *= 2; +- dst_stride *= 2; +- } +- else if (src_bpp == 32) ++ bpp = src_bpp >> 3; ++ width *= bpp; ++ src_stride *= 4; ++ dst_stride *= 4; ++ src_bytes = (uint8_t *)src_bits + src_y * src_stride + src_x * bpp; ++ dst_bytes = (uint8_t *)dst_bits + dst_y * dst_stride + dst_x * bpp; ++ ++ if (src_bpp != 16 && src_bpp != 32) + { +- src_stride = src_stride * (int) sizeof (uint32_t) / 4; +- dst_stride = dst_stride * (int) sizeof (uint32_t) / 4; +- src_bytes = (uint8_t *)(((uint32_t *)src_bits) + src_stride * (src_y) + (src_x)); +- dst_bytes = (uint8_t *)(((uint32_t *)dst_bits) + dst_stride * (dst_y) + (dst_x)); +- byte_width = 4 * width; +- src_stride *= 4; +- dst_stride *= 4; ++ pixman_blt_helper (src_bytes, dst_bytes, src_stride, dst_stride, ++ width, height); ++ return TRUE; + } +- else ++ ++ if (src_bytes < dst_bytes && src_bytes + src_stride * height > dst_bytes) + { +- return FALSE; ++ src_bytes += src_stride * height - src_stride; ++ dst_bytes += dst_stride * height - dst_stride; ++ dst_stride = -dst_stride; ++ src_stride = -src_stride; ++ ++ if (src_bytes + width > dst_bytes) ++ { ++ /* TODO: reverse scanline copy using MMX */ ++ while (--height >= 0) ++ { ++ memmove (dst_bytes, src_bytes, width); ++ dst_bytes += dst_stride; ++ src_bytes += src_stride; ++ } ++ return TRUE; ++ } + } + + while (height--) +@@ -3039,7 +3048,7 @@ pixman_blt_mmx (uint32_t *src_bits, + uint8_t *d = dst_bytes; + src_bytes += src_stride; + dst_bytes += dst_stride; +- w = byte_width; ++ w = width; + + while (w >= 2 && ((unsigned long)d & 3)) + { +-- +1.6.2.4 + diff --git a/recipes/xorg-lib/pixman/0005-Support-of-overlapping-src-dst-for-pixman_blt_sse2.patch b/recipes/xorg-lib/pixman/0005-Support-of-overlapping-src-dst-for-pixman_blt_sse2.patch new file mode 100644 index 0000000000..3704fbf1cf --- /dev/null +++ b/recipes/xorg-lib/pixman/0005-Support-of-overlapping-src-dst-for-pixman_blt_sse2.patch @@ -0,0 +1,91 @@ +From edc80b41c6480b7c80ec5f7c835c92b2debb3774 Mon Sep 17 00:00:00 2001 +From: Siarhei Siamashka <siarhei.siamashka@nokia.com> +Date: Thu, 22 Oct 2009 05:45:54 +0300 +Subject: [PATCH 5/6] Support of overlapping src/dst for pixman_blt_sse2 + +--- + pixman/pixman-sse2.c | 55 +++++++++++++++++++++++++++++-------------------- + 1 files changed, 32 insertions(+), 23 deletions(-) + +diff --git a/pixman/pixman-sse2.c b/pixman/pixman-sse2.c +index 78b0ad1..b84636b 100644 +--- a/pixman/pixman-sse2.c ++++ b/pixman/pixman-sse2.c +@@ -5300,34 +5300,43 @@ pixman_blt_sse2 (uint32_t *src_bits, + { + uint8_t * src_bytes; + uint8_t * dst_bytes; +- int byte_width; ++ int bpp; + +- if (src_bpp != dst_bpp) ++ if (src_bpp != dst_bpp || src_bpp & 7) + return FALSE; + +- if (src_bpp == 16) +- { +- src_stride = src_stride * (int) sizeof (uint32_t) / 2; +- dst_stride = dst_stride * (int) sizeof (uint32_t) / 2; +- src_bytes =(uint8_t *)(((uint16_t *)src_bits) + src_stride * (src_y) + (src_x)); +- dst_bytes = (uint8_t *)(((uint16_t *)dst_bits) + dst_stride * (dst_y) + (dst_x)); +- byte_width = 2 * width; +- src_stride *= 2; +- dst_stride *= 2; +- } +- else if (src_bpp == 32) ++ bpp = src_bpp >> 3; ++ width *= bpp; ++ src_stride *= 4; ++ dst_stride *= 4; ++ src_bytes = (uint8_t *)src_bits + src_y * src_stride + src_x * bpp; ++ dst_bytes = (uint8_t *)dst_bits + dst_y * dst_stride + dst_x * bpp; ++ ++ if (src_bpp != 16 && src_bpp != 32) + { +- src_stride = src_stride * (int) sizeof (uint32_t) / 4; +- dst_stride = dst_stride * (int) sizeof (uint32_t) / 4; +- src_bytes = (uint8_t *)(((uint32_t *)src_bits) + src_stride * (src_y) + (src_x)); +- dst_bytes = (uint8_t *)(((uint32_t *)dst_bits) + dst_stride * (dst_y) + (dst_x)); +- byte_width = 4 * width; +- src_stride *= 4; +- dst_stride *= 4; ++ pixman_blt_helper (src_bytes, dst_bytes, src_stride, dst_stride, ++ width, height); ++ return TRUE; + } +- else ++ ++ if (src_bytes < dst_bytes && src_bytes + src_stride * height > dst_bytes) + { +- return FALSE; ++ src_bytes += src_stride * height - src_stride; ++ dst_bytes += dst_stride * height - dst_stride; ++ dst_stride = -dst_stride; ++ src_stride = -src_stride; ++ ++ if (src_bytes + width > dst_bytes) ++ { ++ /* TODO: reverse scanline copy using SSE2 */ ++ while (--height >= 0) ++ { ++ memmove (dst_bytes, src_bytes, width); ++ dst_bytes += dst_stride; ++ src_bytes += src_stride; ++ } ++ return TRUE; ++ } + } + + cache_prefetch ((__m128i*)src_bytes); +@@ -5340,7 +5349,7 @@ pixman_blt_sse2 (uint32_t *src_bits, + uint8_t *d = dst_bytes; + src_bytes += src_stride; + dst_bytes += dst_stride; +- w = byte_width; ++ w = width; + + cache_prefetch_next ((__m128i*)s); + cache_prefetch_next ((__m128i*)d); +-- +1.6.2.4 + diff --git a/recipes/xorg-lib/pixman/0006-Support-of-overlapping-src-dst-for-pixman_blt_neon.patch b/recipes/xorg-lib/pixman/0006-Support-of-overlapping-src-dst-for-pixman_blt_neon.patch new file mode 100644 index 0000000000..af75716bb8 --- /dev/null +++ b/recipes/xorg-lib/pixman/0006-Support-of-overlapping-src-dst-for-pixman_blt_neon.patch @@ -0,0 +1,93 @@ +From 86870ff530b5e435034bd80207e5758466d96cff Mon Sep 17 00:00:00 2001 +From: Siarhei Siamashka <siarhei.siamashka@nokia.com> +Date: Wed, 18 Nov 2009 06:08:48 +0200 +Subject: [PATCH 6/6] Support of overlapping src/dst for pixman_blt_neon + +--- + pixman/pixman-arm-neon.c | 63 ++++++++++++++++++++++++++++++++++++++------- + 1 files changed, 53 insertions(+), 10 deletions(-) + +diff --git a/pixman/pixman-arm-neon.c b/pixman/pixman-arm-neon.c +index 495fda4..c632ff5 100644 +--- a/pixman/pixman-arm-neon.c ++++ b/pixman/pixman-arm-neon.c +@@ -306,23 +306,66 @@ pixman_blt_neon (uint32_t *src_bits, + int width, + int height) + { ++ uint8_t * src_bytes; ++ uint8_t * dst_bytes; ++ int bpp; ++ ++ if (src_bpp != dst_bpp || src_bpp & 7) ++ return FALSE; ++ ++ bpp = src_bpp >> 3; ++ width *= bpp; ++ src_stride *= 4; ++ dst_stride *= 4; ++ src_bytes = (uint8_t *)src_bits + src_y * src_stride + src_x * bpp; ++ dst_bytes = (uint8_t *)dst_bits + dst_y * dst_stride + dst_x * bpp; ++ ++ if (src_bpp != 16 && src_bpp != 32) ++ { ++ pixman_blt_helper (src_bytes, dst_bytes, src_stride, dst_stride, ++ width, height); ++ return TRUE; ++ } ++ ++ if (src_bytes < dst_bytes && src_bytes + src_stride * height > dst_bytes) ++ { ++ src_bytes += src_stride * height - src_stride; ++ dst_bytes += dst_stride * height - dst_stride; ++ dst_stride = -dst_stride; ++ src_stride = -src_stride; ++ ++ if (src_bytes + width > dst_bytes) ++ { ++ /* TODO: reverse scanline copy using NEON */ ++ while (--height >= 0) ++ { ++ memmove (dst_bytes, src_bytes, width); ++ dst_bytes += dst_stride; ++ src_bytes += src_stride; ++ } ++ return TRUE; ++ } ++ } ++ + switch (src_bpp) + { + case 16: + pixman_composite_src_0565_0565_asm_neon ( +- width, height, +- (uint16_t *)(((char *) dst_bits) + +- dst_y * dst_stride * 4 + dst_x * 2), dst_stride * 2, +- (uint16_t *)(((char *) src_bits) + +- src_y * src_stride * 4 + src_x * 2), src_stride * 2); ++ width >> 1, ++ height, ++ (uint16_t *) dst_bytes, ++ dst_stride >> 1, ++ (uint16_t *) src_bytes, ++ src_stride >> 1); + return TRUE; + case 32: + pixman_composite_src_8888_8888_asm_neon ( +- width, height, +- (uint32_t *)(((char *) dst_bits) + +- dst_y * dst_stride * 4 + dst_x * 4), dst_stride, +- (uint32_t *)(((char *) src_bits) + +- src_y * src_stride * 4 + src_x * 4), src_stride); ++ width >> 2, ++ height, ++ (uint32_t *) dst_bytes, ++ dst_stride >> 2, ++ (uint32_t *) src_bytes, ++ src_stride >> 2); + return TRUE; + default: + return FALSE; +-- +1.6.2.4 + diff --git a/recipes/xorg-lib/pixman_git.bb b/recipes/xorg-lib/pixman_git.bb index dd02828e37..1b5ca6388f 100644 --- a/recipes/xorg-lib/pixman_git.bb +++ b/recipes/xorg-lib/pixman_git.bb @@ -3,17 +3,24 @@ PRIORITY = "optional" DESCRIPTION = "Low-level pixel manipulation library." LICENSE = "X11" -PV = "0.17.1" +PV = "0.17.3" PR = "r4" PR_append = "+gitr${SRCREV}" -SRCREV = "abefe68ae2a422fecf315f17430c0cda5561be66" +SRCREV = "c97b1e803fc214e9880eaeff98410c8fa37f9ddc" DEFAULT_PREFERENCE = "-1" DEFAULT_PREFERENCE_angstrom = "1" +DEFAULT_PREFERENCE_shr = "1" SRC_URI = "git://anongit.freedesktop.org/pixman;protocol=git \ file://nearest-neighbour.patch;patch=1 \ + file://0001-ARM-NEON-optimized-pixman_blt.patch;patch=1 \ + file://0002-Test-program-for-pixman_blt-function.patch;patch=1 \ + file://0003-Generic-C-implementation-of-pixman_blt-with-overlapp.patch;patch=1 \ + file://0004-Support-of-overlapping-src-dst-for-pixman_blt_mmx.patch;patch=1 \ + file://0005-Support-of-overlapping-src-dst-for-pixman_blt_sse2.patch;patch=1 \ + file://0006-Support-of-overlapping-src-dst-for-pixman_blt_neon.patch;patch=1 \ " S = "${WORKDIR}/git" |