sdl-ios-xcode: src/video/SDL_blit

annotate src/video/SDL_blit_copy.c @ 4525:3abf0b9cafad

pelya 2010-07-12 03:53:48 PDT In function GLES_RenderCopy() in SDL_renderer_gles.c:819 there is one memcpy() that can be avoided if we're updating whole texture. Because of that the SDL 1.3 in compatibility mode is working even slower than software rendering in SDL 1.2.

author	Sam Lantinga <slouken@libsdl.org>
date	Wed, 14 Jul 2010 07:31:35 -0700
parents	f7b03b6838cb
children	b530ef003506

rev	line source
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 3577 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #include "SDL_video.h"
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 #include "SDL_blit.h"
2254 79e00f5561f4 Oops, didn't want to rename those files... Sam Lantinga <slouken@libsdl.org> parents: 2253 diff changeset	26 #include "SDL_blit_copy.h"
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28
2253 6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	29 #ifdef __SSE__
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	30 /* This assumes 16-byte aligned src and dst */
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	31 static __inline__ void
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	32 SDL_memcpySSE(Uint8 * dst, const Uint8 * src, int len)
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	33 {
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	34 int i;
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	35
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	36 __m128 values[4];
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	37 for (i = len / 64; i--;) {
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	38 _mm_prefetch(src, _MM_HINT_NTA);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	39 values[0] = (__m128 ) (src + 0);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	40 values[1] = (__m128 ) (src + 16);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	41 values[2] = (__m128 ) (src + 32);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	42 values[3] = (__m128 ) (src + 48);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	43 _mm_stream_ps((float *) (dst + 0), values[0]);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	44 _mm_stream_ps((float *) (dst + 16), values[1]);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	45 _mm_stream_ps((float *) (dst + 32), values[2]);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	46 _mm_stream_ps((float *) (dst + 48), values[3]);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	47 src += 64;
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	48 dst += 64;
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	49 }
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	50
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	51 if (len & 63)
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	52 SDL_memcpy(dst, src, len & 63);
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	53 }
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	54 #endif /* __SSE__ */
6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	55
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 #ifdef __MMX__
2780 cc15254e44b6 Disable spurious warning Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	57 #ifdef _MSC_VER
cc15254e44b6 Disable spurious warning Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	58 #pragma warning(disable:4799)
cc15254e44b6 Disable spurious warning Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	59 #endif
2253 6d99edd791bf Added notes on the next steps for SDL 1.3 Sam Lantinga <slouken@libsdl.org> parents: 2252 diff changeset	60 /* This assumes 8-byte aligned src and dst */
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 static __inline__ void
2248 5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	62 SDL_memcpyMMX(Uint8 * dst, const Uint8 * src, int len)
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 int i;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65
2248 5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	66 __m64 values[8];
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 for (i = len / 64; i--;) {
3577 72024425b437 Fixed bug #736 Sam Lantinga <slouken@libsdl.org> parents: 2859 diff changeset	68 #ifdef __SSE__
2248 5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	69 _mm_prefetch(src, _MM_HINT_NTA);
3577 72024425b437 Fixed bug #736 Sam Lantinga <slouken@libsdl.org> parents: 2859 diff changeset	70 #endif
2248 5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	71 values[0] = (__m64 ) (src + 0);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	72 values[1] = (__m64 ) (src + 8);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	73 values[2] = (__m64 ) (src + 16);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	74 values[3] = (__m64 ) (src + 24);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	75 values[4] = (__m64 ) (src + 32);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	76 values[5] = (__m64 ) (src + 40);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	77 values[6] = (__m64 ) (src + 48);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	78 values[7] = (__m64 ) (src + 56);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	79 _mm_stream_pi((__m64 *) (dst + 0), values[0]);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	80 _mm_stream_pi((__m64 *) (dst + 8), values[1]);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	81 _mm_stream_pi((__m64 *) (dst + 16), values[2]);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	82 _mm_stream_pi((__m64 *) (dst + 24), values[3]);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	83 _mm_stream_pi((__m64 *) (dst + 32), values[4]);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	84 _mm_stream_pi((__m64 *) (dst + 40), values[5]);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	85 _mm_stream_pi((__m64 *) (dst + 48), values[6]);
5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	86 _mm_stream_pi((__m64 *) (dst + 56), values[7]);
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 src += 64;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 dst += 64;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 }
2248 5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	90
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 if (len & 63)
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 SDL_memcpy(dst, src, len & 63);
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 #endif /* __MMX__ */
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 void
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 SDL_BlitCopy(SDL_BlitInfo * info)
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 Uint8 src, dst;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 int w, h;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 int srcskip, dstskip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	103 w = info->dst_w * info->dst_fmt->BytesPerPixel;
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2254 diff changeset	104 h = info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2254 diff changeset	105 src = info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2254 diff changeset	106 dst = info->dst;
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	107 srcskip = info->src_pitch;
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	108 dstskip = info->dst_pitch;
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 #ifdef __SSE__
2826 cd4a49d5c1ba Fixed crash on 64-bit systems Sam Lantinga <slouken@libsdl.org> parents: 2780 diff changeset	111 if (SDL_HasSSE() &&
cd4a49d5c1ba Fixed crash on 64-bit systems Sam Lantinga <slouken@libsdl.org> parents: 2780 diff changeset	112 !((uintptr_t) src & 15) && !(srcskip & 15) &&
cd4a49d5c1ba Fixed crash on 64-bit systems Sam Lantinga <slouken@libsdl.org> parents: 2780 diff changeset	113 !((uintptr_t) dst & 15) && !(dstskip & 15)) {
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 while (h--) {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 SDL_memcpySSE(dst, src, w);
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 src += srcskip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 dst += dstskip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 return;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 #endif
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 #ifdef __MMX__
2826 cd4a49d5c1ba Fixed crash on 64-bit systems Sam Lantinga <slouken@libsdl.org> parents: 2780 diff changeset	124 if (SDL_HasMMX() &&
cd4a49d5c1ba Fixed crash on 64-bit systems Sam Lantinga <slouken@libsdl.org> parents: 2780 diff changeset	125 !((uintptr_t) src & 7) && !(srcskip & 7) &&
cd4a49d5c1ba Fixed crash on 64-bit systems Sam Lantinga <slouken@libsdl.org> parents: 2780 diff changeset	126 !((uintptr_t) dst & 7) && !(dstskip & 7)) {
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 while (h--) {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 SDL_memcpyMMX(dst, src, w);
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 src += srcskip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 dst += dstskip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 }
2248 5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	132 _mm_empty();
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 return;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 #endif
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 while (h--) {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 SDL_memcpy(dst, src, w);
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 src += srcskip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 dst += dstskip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 void
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 SDL_BlitCopyOverlap(SDL_BlitInfo * info)
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 Uint8 src, dst;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 int w, h;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 int skip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	151 w = info->dst_w * info->dst_fmt->BytesPerPixel;
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2254 diff changeset	152 h = info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2254 diff changeset	153 src = info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2254 diff changeset	154 dst = info->dst;
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	155 skip = info->src_pitch;
2248 5cd2a2293cf0 Okay, I figured out the intrinsics for SIMD memcpy Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	156 if ((dst < src) \|\| (dst >= (src + h * skip))) {
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 SDL_BlitCopy(info);
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 } else {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 src += ((h - 1) * skip);
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 dst += ((h - 1) * skip);
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 while (h--) {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 SDL_revcpy(dst, src, w);
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 src -= skip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 dst -= skip;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blit_copy.c @ 4525:3abf0b9cafad