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1 | /* |
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2 | * (C) GraÅžvydas "notaz" Ignotas, 2011,2012 |
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3 | * |
| 4 | * This work is licensed under the terms of any of these licenses |
| 5 | * (at your option): |
| 6 | * - GNU GPL, version 2 or later. |
| 7 | * - GNU LGPL, version 2.1 or later. |
| 8 | * See the COPYING file in the top-level directory. |
| 9 | */ |
| 10 | |
| 11 | .text |
| 12 | .align 2 |
| 13 | |
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14 | #define func(name) \ |
| 15 | .global name; \ |
| 16 | name |
| 17 | |
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18 | @ void *dst, const void *src, int count, uint abits |
| 19 | .macro do_argb bgr2rgb |
| 20 | vdup.i8 d0, r3 |
| 21 | 0: |
| 22 | vld4.8 {d4-d7}, [r1]! |
| 23 | .if \bgr2rgb |
| 24 | vswp d4, d6 @ BGR->RGB |
| 25 | .endif |
| 26 | vmov.i8 d7, d0 |
| 27 | subs r2, r2, #8 |
| 28 | blt do_argb_finish |
| 29 | vst4.8 {d4-d7}, [r0]! |
| 30 | bxeq lr |
| 31 | nop |
| 32 | b 0b |
| 33 | .endm |
| 34 | |
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35 | @ void *dst, const void *src, int count, uint global_alpha |
| 36 | .macro do_argb_alpha bgr2rgb global_alpha |
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37 | mov r12, #0xff |
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38 | .if \global_alpha |
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39 | vdup.16 q11, r3 |
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40 | .endif |
| 41 | vdup.i16 q12, r12 |
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42 | 0: |
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43 | pld [r1, #64*2] |
| 44 | pld [r0, #64*2] |
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45 | vld4.8 {d4-d7}, [r1]! |
| 46 | vld4.8 {d0-d3}, [r0] |
| 47 | .if \bgr2rgb |
| 48 | vswp d4, d6 @ BGR->RGB |
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49 | .endif |
| 50 | .if !\global_alpha |
| 51 | vmovl.u8 q11, d7 |
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52 | .endif |
| 53 | @ d = (((s-d)*a+255)>>8)+d |
| 54 | vsubl.u8 q8, d4, d0 |
| 55 | vsubl.u8 q9, d5, d1 |
| 56 | vsubl.u8 q10,d6, d2 |
| 57 | vmul.s16 q8, q8, q11 |
| 58 | vmul.s16 q9, q9, q11 |
| 59 | vmul.s16 q10,q10,q11 |
| 60 | vaddhn.i16 d4, q8, q12 |
| 61 | vaddhn.i16 d5, q9, q12 |
| 62 | vaddhn.i16 d6, q10,q12 |
| 63 | vadd.i8 q2, q0 |
| 64 | vadd.i8 d6, d2 |
| 65 | vmov.i8 d7, d3 |
| 66 | subs r2, r2, #8 |
| 67 | blt do_argb_finish |
| 68 | vst4.8 {d4-d7}, [r0]! |
| 69 | bxeq lr |
| 70 | nop |
| 71 | b 0b |
| 72 | .endm |
| 73 | |
| 74 | |
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75 | do_argb_finish: |
| 76 | add r2, r2, #8 |
| 77 | vzip.8 d4, d5 @ RRR..|GGG.. -> RGRG.. |
| 78 | vzip.8 d6, d7 @ BBB..|000.. -> B0B0.. |
| 79 | vzip.16 q2, q3 |
| 80 | |
| 81 | vst1.32 d4[0], [r0]! |
| 82 | cmp r2, #1 |
| 83 | bxle lr |
| 84 | vst1.32 d4[1], [r0]! |
| 85 | cmp r2, #2 |
| 86 | bxle lr |
| 87 | vst1.32 d5[0], [r0]! |
| 88 | cmp r2, #3 |
| 89 | bxle lr |
| 90 | vst1.32 d5[1], [r0]! |
| 91 | cmp r2, #4 |
| 92 | bxle lr |
| 93 | vst1.32 d6[0], [r0]! |
| 94 | cmp r2, #5 |
| 95 | bxle lr |
| 96 | vst1.32 d6[1], [r0]! |
| 97 | cmp r2, #6 |
| 98 | bxle lr |
| 99 | vst1.32 d7[0], [r0]! |
| 100 | bx lr |
| 101 | |
| 102 | |
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103 | @ void *dst, const void *src, int count, uint global_alpha |
| 104 | .macro do_argb_to_rgb565_alpha bgr2rgb global_alpha |
| 105 | mov r12, #0xff |
| 106 | .if \global_alpha |
| 107 | vdup.16 q11, r3 |
| 108 | .endif |
| 109 | vdup.i16 q12, r12 |
| 110 | 0: |
| 111 | pld [r1, #64*2] |
| 112 | pld [r0, #64*2] |
| 113 | vld4.8 {d4-d7}, [r1]! |
| 114 | vld2.8 {d1-d2}, [r0] |
| 115 | .if \bgr2rgb |
| 116 | vswp d4, d6 @ BGR->RGB |
| 117 | .endif |
| 118 | .if !\global_alpha |
| 119 | vmovl.u8 q11, d7 |
| 120 | .endif |
| 121 | vshl.i8 d0, d1, #3 |
| 122 | vshr.u8 d1, d1, #3 |
| 123 | vsri.i8 d0, d0, #5 @ B |
| 124 | vsli.i8 d1, d2, #5 |
| 125 | vsri.i8 d2, d2, #5 @ R |
| 126 | vsri.i8 d1, d1, #6 @ G |
| 127 | @ d = (((s-d)*a+255)>>8)+d |
| 128 | vsubl.u8 q8, d4, d0 |
| 129 | vsubl.u8 q9, d5, d1 |
| 130 | vsubl.u8 q10,d6, d2 |
| 131 | vmul.s16 q8, q8, q11 |
| 132 | vmul.s16 q9, q9, q11 |
| 133 | vmul.s16 q10,q10,q11 |
| 134 | vaddhn.i16 d4, q8, q12 |
| 135 | vaddhn.i16 d5, q9, q12 |
| 136 | vaddhn.i16 d6, q10,q12 |
| 137 | vadd.i8 q2, q0 |
| 138 | vadd.i8 d2, d6 @ rrrr rrrr |
| 139 | vshr.u8 d0, d5, #2 |
| 140 | vshr.u8 d1, d4, #3 @ 000b bbbb |
| 141 | vsri.i8 d2, d5, #5 @ rrrr rggg |
| 142 | vsli.i8 d1, d0, #5 @ gggb bbbb |
| 143 | subs r2, r2, #8 |
| 144 | blt do_rgb565_finish |
| 145 | vst2.8 {d1-d2}, [r0]! |
| 146 | bxeq lr |
| 147 | nop |
| 148 | b 0b |
| 149 | .endm |
| 150 | |
| 151 | |
| 152 | do_rgb565_finish: |
| 153 | vzip.8 d1, d2 |
| 154 | add r2, r2, #8 |
| 155 | |
| 156 | vst1.16 d1[0], [r0]! |
| 157 | cmp r2, #1 |
| 158 | bxle lr |
| 159 | vst1.16 d1[1], [r0]! |
| 160 | cmp r2, #2 |
| 161 | bxle lr |
| 162 | vst1.16 d1[2], [r0]! |
| 163 | cmp r2, #3 |
| 164 | bxle lr |
| 165 | vst1.16 d1[3], [r0]! |
| 166 | cmp r2, #4 |
| 167 | bxle lr |
| 168 | vst1.16 d2[0], [r0]! |
| 169 | cmp r2, #5 |
| 170 | bxle lr |
| 171 | vst1.16 d2[1], [r0]! |
| 172 | cmp r2, #6 |
| 173 | bxle lr |
| 174 | vst1.16 d2[2], [r0]! |
| 175 | bx lr |
| 176 | |
| 177 | |
| 178 | func(neon_ARGBtoXRGB): |
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179 | do_argb 0 |
| 180 | |
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181 | func(neon_ABGRtoXRGB): |
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182 | do_argb 1 |
| 183 | |
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184 | func(neon_ARGBtoXRGBalpha): |
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185 | do_argb_alpha 0, 0 |
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186 | |
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187 | func(neon_ABGRtoXRGBalpha): |
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188 | do_argb_alpha 1, 0 |
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189 | |
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190 | func(neon_ARGBtoXRGBalphaS): |
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191 | do_argb_alpha 0, 1 |
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192 | |
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193 | func(neon_ABGRtoXRGBalphaS): |
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194 | do_argb_alpha 1, 1 |
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195 | |
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196 | func(neon_ARGBtoRGB565alpha): |
| 197 | do_argb_to_rgb565_alpha 0, 0 |
| 198 | |
| 199 | func(neon_ABGRtoRGB565alpha): |
| 200 | do_argb_to_rgb565_alpha 1, 0 |
| 201 | |
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202 | @ vim:filetype=armasm |
notaz.gp2x.de / sdl_omap.git / blame