| 1 | ; $Id: vertex_3dnow.asm,v 1.1 2000-03-01 18:49:39 jeroen Exp $
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| 2 | ;
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| 3 | ; 3dNow! transforms
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| 4 | ;
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| 5 |
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| 6 | .586p
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| 7 |
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| 8 | CODE32 SEGMENT PARA USE32 PUBLIC 'CODE'
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| 9 | CODE32 ENDS
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| 10 | DATA32 SEGMENT PARA USE32 PUBLIC 'DATA'
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| 11 | ASSUME DS:FLAT, SS:FLAT, ES:FLAT
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| 12 | DATA32 ENDS
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| 13 |
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| 14 | CODE32 SEGMENT
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| 15 | PUBLIC _gl_3dnow_project_vertices
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| 16 | _gl_3dnow_project_vertices:
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| 17 |
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| 18 | push EBP
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| 19 | femms
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| 20 | prefetch [ESP + 8]
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| 21 |
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| 22 | mov ECX, dword ptr [ESP + 8]
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| 23 | mov EDX, dword ptr [ESP + 12]
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| 24 | mov EBP, dword ptr [ESP + 16]
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| 25 | mov EAX, dword ptr [ESP + 20]
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| 26 |
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| 27 | movd mm6, [ EBP + 48]
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| 28 | punpckldq mm6, [ EBP + 52]
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| 29 | movd mm5, [EBP]
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| 30 | punpckldq mm5, [ EBP + 20]
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| 31 | movd mm1, [ EBP + 40]
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| 32 | sub EDX, ECX
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| 33 |
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| 34 | ALIGN 32
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| 35 | v16_3dnow_pv_loop_start:
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| 36 |
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| 37 | prefetch [ECX + 64]
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| 38 | movd mm0, [ECX + 12]
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| 39 | pfrcp mm0, mm0
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| 40 | movd mm7, [ECX + 12]
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| 41 | pfrcpit1 mm7, mm0
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| 42 | pfrcpit2 mm7, mm0
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| 43 | punpckldq mm7, mm7
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| 44 | movq mm2, [ECX]
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| 45 | pfmul mm2, mm7
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| 46 | movd mm3, [ECX + 8]
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| 47 | pfmul mm3, mm7
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| 48 | movd mm0, [ EBP + 56]
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| 49 | pfmul mm3, mm1
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| 50 | pfadd mm3, mm0
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| 51 | pfmul mm2, mm5
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| 52 | pfadd mm2, mm6
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| 53 | punpckldq mm3, mm7
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| 54 | movq [ECX + 0], mm2
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| 55 | movq [ECX + 8], mm3
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| 56 | add ECX, EAX
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| 57 | sub EDX, EAX
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| 58 | ja v16_3dnow_pv_loop_start
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| 59 |
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| 60 | femms
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| 61 | pop EBP
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| 62 | ret
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| 63 |
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| 64 |
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| 65 |
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| 66 |
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| 67 |
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| 68 |
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| 69 |
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| 70 |
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| 71 | PUBLIC _gl_3dnow_project_clipped_vertices
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| 72 | _gl_3dnow_project_clipped_vertices:
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| 73 |
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| 74 | push EBP
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| 75 | push ESI
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| 76 |
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| 77 | femms
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| 78 |
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| 79 | prefetch [ESP + 12]
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| 80 |
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| 81 | mov ECX, dword ptr [ESP + 12]
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| 82 | mov EDX, dword ptr [ESP + 16]
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| 83 | mov EBP, dword ptr [ESP + 20]
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| 84 | mov EAX, dword ptr [ESP + 24]
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| 85 | mov ESI, dword ptr [ESP + 28]
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| 86 |
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| 87 |
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| 88 | movd mm6, [ EBP + 48]
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| 89 | punpckldq mm6, [ EBP + 52]
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| 90 | movd mm5, [EBP]
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| 91 | punpckldq mm5, [ EBP + 20]
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| 92 | movd mm1, [ EBP + 40]
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| 93 |
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| 94 |
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| 95 | ALIGN 32
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| 96 | v16_3dnow_pcv_loop_start:
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| 97 |
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| 98 | cmp byte ptr [ESI], 0
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| 99 | jne v16_3dnow_pcv_skip
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| 100 |
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| 101 | movd mm0, [ECX + 12]
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| 102 | pfrcp mm0, mm0
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| 103 | movd mm7, [ECX + 12]
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| 104 | pfrcpit1 mm7, mm0
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| 105 | pfrcpit2 mm7, mm0
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| 106 | punpckldq mm7, mm7
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| 107 | movq mm2, [ECX]
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| 108 | pfmul mm2, mm7
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| 109 | movd mm3, [ECX + 8]
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| 110 | pfmul mm3, mm7
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| 111 | movd mm0, [ EBP + 56]
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| 112 | pfmul mm3, mm1
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| 113 | pfadd mm3, mm0
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| 114 | pfmul mm2, mm5
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| 115 | pfadd mm2, mm6
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| 116 | punpckldq mm3, mm7
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| 117 | movq [ECX + 0], mm2
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| 118 | movq [ECX + 8], mm3
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| 119 |
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| 120 | v16_3dnow_pcv_skip:
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| 121 | add ECX, EAX
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| 122 | inc ESI
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| 123 |
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| 124 | cmp EDX, ECX
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| 125 | jne v16_3dnow_pcv_loop_start
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| 126 |
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| 127 | femms
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| 128 |
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| 129 | pop ESI
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| 130 | pop EBP
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| 131 | ret
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| 132 |
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| 133 |
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| 134 |
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| 135 |
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| 136 |
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| 137 |
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| 138 | PUBLIC _gl_v16_3dnow_general_xform
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| 139 | _gl_v16_3dnow_general_xform:
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| 140 |
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| 141 |
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| 142 | push EDI
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| 143 | push ESI
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| 144 |
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| 145 | mov EAX, dword ptr [ESP + 12]
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| 146 | mov ESI, dword ptr [ESP + 16]
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| 147 | mov EDX, dword ptr [ESP + 20]
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| 148 | mov EDI, dword ptr [ESP + 24]
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| 149 | mov ECX, dword ptr [ESP + 28]
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| 150 |
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| 151 | femms
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| 152 |
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| 153 | movq mm7, [ ESI + 48]
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| 154 | movq mm3, [ ESI + 56]
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| 155 |
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| 156 | ALIGN 32
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| 157 | v16_3dnow_general_loop:
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| 158 | prefetch [EAX + 128]
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| 159 | prefetch [EDX + 32]
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| 160 |
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| 161 | movq mm0, [EDX]
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| 162 | movd mm1, [EDX + 8]
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| 163 | movq mm4, [ESI]
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| 164 | punpckhdq mm2, mm0
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| 165 | movq mm5, [ESI + 16]
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| 166 | punpckldq mm0, mm0
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| 167 | movq mm6, [ESI + 32]
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| 168 | pfmul mm4, mm0
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| 169 | punpckhdq mm2, mm2
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| 170 | pfmul mm5, mm2
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| 171 | punpckldq mm1, mm1
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| 172 | pfmul mm0, [ESI + 8]
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| 173 | pfmul mm2, [ESI + 24]
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| 174 | pfmul mm6, mm1
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| 175 | pfadd mm5, mm4
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| 176 | pfmul mm1, [ESI + 40]
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| 177 | pfadd mm2, mm0
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| 178 | pfadd mm6, mm5
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| 179 | pfadd mm2, mm1
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| 180 | pfadd mm6, mm7
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| 181 | pfadd mm2, mm3
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| 182 | add EDX, EDI
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| 183 | movq [EAX], mm6
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| 184 | movq [EAX + 8], mm2
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| 185 | add EAX, 64
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| 186 | dec ECX
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| 187 | jne v16_3dnow_general_loop
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| 188 |
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| 189 | femms
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| 190 |
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| 191 | pop ESI
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| 192 | pop EDI
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| 193 | ret
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| 194 |
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| 195 | CODE32 ENDS
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| 196 |
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| 197 | end
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