diff options
Diffstat (limited to 'src/mesa/drivers/dos/virtual.S')
-rw-r--r-- | src/mesa/drivers/dos/virtual.S | 978 |
1 files changed, 489 insertions, 489 deletions
diff --git a/src/mesa/drivers/dos/virtual.S b/src/mesa/drivers/dos/virtual.S index 0df584150f3..c5cc1fe86f8 100644 --- a/src/mesa/drivers/dos/virtual.S +++ b/src/mesa/drivers/dos/virtual.S @@ -1,489 +1,489 @@ -/*
- * Mesa 3-D graphics library
- * Version: 4.0
- *
- * Copyright (C) 1999 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * DOS/DJGPP device driver v1.3 for Mesa
- *
- * Copyright (C) 2002 - Borca Daniel
- * Email : [email protected]
- * Web : http://www.geocities.com/dborca
- */
-
-
- .file "virtual.S"
-
-/*
- * extern void *vl_current_draw_buffer;
- * extern int vl_current_width, vl_current_bytes;
- */
-
- .text
-
-/* Desc: void v_clear8 (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_clear8
-_v_clear8:
- movl 4(%esp), %eax
- movb %al, %ah
- pushw %ax
- pushw %ax
- popl %eax
- jmp _v_clear_common
-
-/* Desc: void v_clear16 (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_clear16
-_v_clear16:
- movl 4(%esp), %eax
- pushw %ax
- pushw %ax
- popl %eax
- jmp _v_clear_common
-
-/* Desc: void v_clear32 (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_clear32
-_v_clear32:
- movl 4(%esp), %eax
- .balign 4
-_v_clear_common:
- movl _vl_current_bytes, %ecx
- movl _vl_current_draw_buffer, %edx
- shrl $2, %ecx
- .balign 4
- 0:
- movl %eax, (%edx)
- addl $4, %edx
- decl %ecx
- jnz 0b
- ret
-
-/* Desc: void v_clear8_mmx (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_clear8_mmx
-_v_clear8_mmx:
-#ifdef USE_MMX_ASM
- movd 4(%esp), %mm0
- punpcklbw %mm0, %mm0
- punpcklwd %mm0, %mm0
- jmp _v_clear_common_mmx
-#endif
-
-/* Desc: void v_clear16_mmx (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_clear16_mmx
-_v_clear16_mmx:
-#ifdef USE_MMX_ASM
- movd 4(%esp), %mm0
- punpcklwd %mm0, %mm0
- jmp _v_clear_common_mmx
-#endif
-
-/* Desc: void v_clear32_mmx (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_clear32_mmx
-_v_clear32_mmx:
-#ifdef USE_MMX_ASM
- movd 4(%esp), %mm0
- .balign 4
-_v_clear_common_mmx:
- punpckldq %mm0, %mm0
- movl _vl_current_bytes, %ecx
- movl _vl_current_draw_buffer, %edx
- shrl $3, %ecx
- .balign 4
- 0:
- movq %mm0, (%edx)
- addl $8, %edx
- decl %ecx
- jnz 0b
- emms
-#endif
- ret
-
-/* Desc: void v_clear24 (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_clear24
-_v_clear24:
- movl $0xaaaaaaab, %eax
- mull _vl_current_bytes
- movl 4(%esp), %eax
- movl %edx, %ecx
- pushl %ebx
- movl _vl_current_draw_buffer, %edx
- shrl %ecx
- movb 10(%esp), %bl
- .balign 4
- 0:
- movw %ax, (%edx)
- movb %bl, 2(%edx)
- addl $3, %edx
- decl %ecx
- jnz 0b
- popl %ebx
- ret
-
-/* Desc: void v_clear24_mmx (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_clear24_mmx
-_v_clear24_mmx:
-#ifdef USE_MMX_ASM
- movl 4(%esp), %eax
- movl %eax, %edx
- movl %eax, %ecx
- shll $16, %edx
- rorl $8, %ecx
- movw %cx, %dx
- rorl $16, %ecx
- movb %dh, %cl
- shll $8, %eax
- movb %ch, %al
- rorl $8, %eax
-
- pushl %edx
- pushl %eax
- movq (%esp), %mm0
- pushl %ecx
- movq (%esp), %mm1
- pushl %edx
- movq (%esp), %mm2
-
- movl $0xaaaaaaab, %eax
- mull _vl_current_bytes
- movl %edx, %ecx
- movl _vl_current_draw_buffer, %edx
- shrl $4, %ecx
- .balign 4
- 0:
- movq %mm0, (%edx)
- movq %mm1, 8(%edx)
- movq %mm2, 16(%edx)
- addl $24, %edx
- decl %ecx
- jnz 0b
- emms
- addl $16, %esp
-#endif
- ret
-
-/* Desc: void v_rect8 (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_rect8
-_v_rect8:
- cld
- pushl %esi
- pushl %edi
- movl 28(%esp), %eax
- movl _vl_current_width, %esi
- movl 16(%esp), %edi
- movb %al, %ah
- movl 20(%esp), %ecx
- imull %esi, %edi
- movl 24(%esp), %edx
- subl %ecx, %esi
- addl 12(%esp), %edi
- pushw %ax
- pushw %ax
- pushl %ds
- popl %es
- addl _vl_current_draw_buffer, %edi
- popl %eax
- pushl %ebx
- movl %ecx, %ebx
- andl $3, %ebx
- .balign 4
- 0:
- pushl %ecx
- .balign 4
- 1:
- shrl $2, %ecx
- rep; stosl
- testl %ebx, %ebx
- jz 2f
- movl %ebx, %ecx
- rep; stosb
- .balign 4
- 2:
- popl %ecx
- addl %esi, %edi
- decl %edx
- jnz 0b
- popl %ebx
- popl %edi
- popl %esi
- ret
-
-/* Desc: void v_rect16 (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_rect16
-_v_rect16:
- cld
- pushl %esi
- pushl %edi
- movl 28(%esp), %eax
- movl _vl_current_width, %esi
- movl 16(%esp), %edi
- movl 20(%esp), %ecx
- imull %esi, %edi
- movl 24(%esp), %edx
- subl %ecx, %esi
- addl 12(%esp), %edi
- pushw %ax
- shll %esi
- pushw %ax
- shll %edi
- pushl %ds
- popl %es
- addl _vl_current_draw_buffer, %edi
- popl %eax
- .balign 4
- 0:
- pushl %ecx
- .balign 4
- 1:
- shrl %ecx
- rep; stosl
- jnc 2f
- stosw
- .balign 4
- 2:
- popl %ecx
- addl %esi, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- ret
-
-/* Desc: void v_rect24 (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_rect24
-_v_rect24:
- pushl %esi
- pushl %edi
- movl 28(%esp), %eax
- movl _vl_current_width, %esi
- movl 16(%esp), %edi
- movl 20(%esp), %ecx
- imull %esi, %edi
- movl 24(%esp), %edx
- subl %ecx, %esi
- addl 12(%esp), %edi
- leal (%esi, %esi, 2), %esi
- pushl %ebx
- leal (%edi, %edi, 2), %edi
- movl %eax, %ebx
- addl _vl_current_draw_buffer, %edi
- shrl $16, %ebx
- .balign 4
- 0:
- pushl %ecx
- .balign 4
- 1:
- movw %ax, (%edi)
- movb %bl, 2(%edi)
- addl $3, %edi
- decl %ecx
- jnz 1b
- popl %ecx
- addl %esi, %edi
- decl %edx
- jnz 0b
- popl %ebx
- popl %edi
- popl %esi
- ret
-
-/* Desc: void v_rect32 (int color);
- *
- * In : color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_rect32
-_v_rect32:
- pushl %esi
- pushl %edi
- movl _vl_current_width, %esi
- movl 16(%esp), %edi
- movl 20(%esp), %ecx
- imull %esi, %edi
- movl 24(%esp), %edx
- subl %ecx, %esi
- addl 12(%esp), %edi
- shll $2, %esi
- shll $2, %edi
- movl 28(%esp), %eax
- addl _vl_current_draw_buffer, %edi
- .balign 4
- 0:
- pushl %ecx
- .balign 4
- 1:
- movl %eax, (%edi)
- addl $4, %edi
- decl %ecx
- jnz 1b
- popl %ecx
- addl %esi, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- ret
-
-/* Desc: void v_putpixel8 (unsigned int offset, int color);
- *
- * In : offset within buffer, color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_putpixel8
-_v_putpixel8:
- movl 8(%esp), %ecx
- movl 4(%esp), %edx
- movl _vl_current_draw_buffer, %eax
- movb %cl, (%eax,%edx)
- ret
-
-/* Desc: void v_putpixel16 (unsigned int offset, int color);
- *
- * In : offset within buffer, color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_putpixel16
-_v_putpixel16:
- movl 8(%esp), %ecx
- movl 4(%esp), %edx
- movl _vl_current_draw_buffer, %eax
- movw %cx, (%eax,%edx,2)
- ret
-
-/* Desc: void v_putpixel24 (unsigned int offset, int color);
- *
- * In : offset within buffer, color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_putpixel24
-_v_putpixel24:
- movl 4(%esp), %eax
- movl 8(%esp), %edx
- movl _vl_current_draw_buffer, %ecx
- leal (%eax,%eax,2), %eax
- movw %dx, (%ecx,%eax)
- shrl $16, %edx
- movb %dl, 2(%ecx,%eax)
- ret
-
-/* Desc: void v_putpixel32 (unsigned int offset, int color);
- *
- * In : offset within buffer, color
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _v_putpixel32
-_v_putpixel32:
- movl 8(%esp), %ecx
- movl 4(%esp), %edx
- movl _vl_current_draw_buffer, %eax
- movl %ecx, (%eax,%edx,4)
- ret
+/* + * Mesa 3-D graphics library + * Version: 4.0 + * + * Copyright (C) 1999 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * DOS/DJGPP device driver v1.3 for Mesa + * + * Copyright (C) 2002 - Borca Daniel + * Email : [email protected] + * Web : http://www.geocities.com/dborca + */ + + + .file "virtual.S" + +/* + * extern void *vl_current_draw_buffer; + * extern int vl_current_width, vl_current_bytes; + */ + + .text + +/* Desc: void v_clear8 (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_clear8 +_v_clear8: + movl 4(%esp), %eax + movb %al, %ah + pushw %ax + pushw %ax + popl %eax + jmp _v_clear_common + +/* Desc: void v_clear16 (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_clear16 +_v_clear16: + movl 4(%esp), %eax + pushw %ax + pushw %ax + popl %eax + jmp _v_clear_common + +/* Desc: void v_clear32 (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_clear32 +_v_clear32: + movl 4(%esp), %eax + .balign 4 +_v_clear_common: + movl _vl_current_bytes, %ecx + movl _vl_current_draw_buffer, %edx + shrl $2, %ecx + .balign 4 + 0: + movl %eax, (%edx) + addl $4, %edx + decl %ecx + jnz 0b + ret + +/* Desc: void v_clear8_mmx (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_clear8_mmx +_v_clear8_mmx: +#ifdef USE_MMX_ASM + movd 4(%esp), %mm0 + punpcklbw %mm0, %mm0 + punpcklwd %mm0, %mm0 + jmp _v_clear_common_mmx +#endif + +/* Desc: void v_clear16_mmx (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_clear16_mmx +_v_clear16_mmx: +#ifdef USE_MMX_ASM + movd 4(%esp), %mm0 + punpcklwd %mm0, %mm0 + jmp _v_clear_common_mmx +#endif + +/* Desc: void v_clear32_mmx (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_clear32_mmx +_v_clear32_mmx: +#ifdef USE_MMX_ASM + movd 4(%esp), %mm0 + .balign 4 +_v_clear_common_mmx: + punpckldq %mm0, %mm0 + movl _vl_current_bytes, %ecx + movl _vl_current_draw_buffer, %edx + shrl $3, %ecx + .balign 4 + 0: + movq %mm0, (%edx) + addl $8, %edx + decl %ecx + jnz 0b + emms +#endif + ret + +/* Desc: void v_clear24 (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_clear24 +_v_clear24: + movl $0xaaaaaaab, %eax + mull _vl_current_bytes + movl 4(%esp), %eax + movl %edx, %ecx + pushl %ebx + movl _vl_current_draw_buffer, %edx + shrl %ecx + movb 10(%esp), %bl + .balign 4 + 0: + movw %ax, (%edx) + movb %bl, 2(%edx) + addl $3, %edx + decl %ecx + jnz 0b + popl %ebx + ret + +/* Desc: void v_clear24_mmx (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_clear24_mmx +_v_clear24_mmx: +#ifdef USE_MMX_ASM + movl 4(%esp), %eax + movl %eax, %edx + movl %eax, %ecx + shll $16, %edx + rorl $8, %ecx + movw %cx, %dx + rorl $16, %ecx + movb %dh, %cl + shll $8, %eax + movb %ch, %al + rorl $8, %eax + + pushl %edx + pushl %eax + movq (%esp), %mm0 + pushl %ecx + movq (%esp), %mm1 + pushl %edx + movq (%esp), %mm2 + + movl $0xaaaaaaab, %eax + mull _vl_current_bytes + movl %edx, %ecx + movl _vl_current_draw_buffer, %edx + shrl $4, %ecx + .balign 4 + 0: + movq %mm0, (%edx) + movq %mm1, 8(%edx) + movq %mm2, 16(%edx) + addl $24, %edx + decl %ecx + jnz 0b + emms + addl $16, %esp +#endif + ret + +/* Desc: void v_rect8 (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_rect8 +_v_rect8: + cld + pushl %esi + pushl %edi + movl 28(%esp), %eax + movl _vl_current_width, %esi + movl 16(%esp), %edi + movb %al, %ah + movl 20(%esp), %ecx + imull %esi, %edi + movl 24(%esp), %edx + subl %ecx, %esi + addl 12(%esp), %edi + pushw %ax + pushw %ax + pushl %ds + popl %es + addl _vl_current_draw_buffer, %edi + popl %eax + pushl %ebx + movl %ecx, %ebx + andl $3, %ebx + .balign 4 + 0: + pushl %ecx + .balign 4 + 1: + shrl $2, %ecx + rep; stosl + testl %ebx, %ebx + jz 2f + movl %ebx, %ecx + rep; stosb + .balign 4 + 2: + popl %ecx + addl %esi, %edi + decl %edx + jnz 0b + popl %ebx + popl %edi + popl %esi + ret + +/* Desc: void v_rect16 (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_rect16 +_v_rect16: + cld + pushl %esi + pushl %edi + movl 28(%esp), %eax + movl _vl_current_width, %esi + movl 16(%esp), %edi + movl 20(%esp), %ecx + imull %esi, %edi + movl 24(%esp), %edx + subl %ecx, %esi + addl 12(%esp), %edi + pushw %ax + shll %esi + pushw %ax + shll %edi + pushl %ds + popl %es + addl _vl_current_draw_buffer, %edi + popl %eax + .balign 4 + 0: + pushl %ecx + .balign 4 + 1: + shrl %ecx + rep; stosl + jnc 2f + stosw + .balign 4 + 2: + popl %ecx + addl %esi, %edi + decl %edx + jnz 0b + popl %edi + popl %esi + ret + +/* Desc: void v_rect24 (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_rect24 +_v_rect24: + pushl %esi + pushl %edi + movl 28(%esp), %eax + movl _vl_current_width, %esi + movl 16(%esp), %edi + movl 20(%esp), %ecx + imull %esi, %edi + movl 24(%esp), %edx + subl %ecx, %esi + addl 12(%esp), %edi + leal (%esi, %esi, 2), %esi + pushl %ebx + leal (%edi, %edi, 2), %edi + movl %eax, %ebx + addl _vl_current_draw_buffer, %edi + shrl $16, %ebx + .balign 4 + 0: + pushl %ecx + .balign 4 + 1: + movw %ax, (%edi) + movb %bl, 2(%edi) + addl $3, %edi + decl %ecx + jnz 1b + popl %ecx + addl %esi, %edi + decl %edx + jnz 0b + popl %ebx + popl %edi + popl %esi + ret + +/* Desc: void v_rect32 (int color); + * + * In : color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_rect32 +_v_rect32: + pushl %esi + pushl %edi + movl _vl_current_width, %esi + movl 16(%esp), %edi + movl 20(%esp), %ecx + imull %esi, %edi + movl 24(%esp), %edx + subl %ecx, %esi + addl 12(%esp), %edi + shll $2, %esi + shll $2, %edi + movl 28(%esp), %eax + addl _vl_current_draw_buffer, %edi + .balign 4 + 0: + pushl %ecx + .balign 4 + 1: + movl %eax, (%edi) + addl $4, %edi + decl %ecx + jnz 1b + popl %ecx + addl %esi, %edi + decl %edx + jnz 0b + popl %edi + popl %esi + ret + +/* Desc: void v_putpixel8 (unsigned int offset, int color); + * + * In : offset within buffer, color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_putpixel8 +_v_putpixel8: + movl 8(%esp), %ecx + movl 4(%esp), %edx + movl _vl_current_draw_buffer, %eax + movb %cl, (%eax,%edx) + ret + +/* Desc: void v_putpixel16 (unsigned int offset, int color); + * + * In : offset within buffer, color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_putpixel16 +_v_putpixel16: + movl 8(%esp), %ecx + movl 4(%esp), %edx + movl _vl_current_draw_buffer, %eax + movw %cx, (%eax,%edx,2) + ret + +/* Desc: void v_putpixel24 (unsigned int offset, int color); + * + * In : offset within buffer, color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_putpixel24 +_v_putpixel24: + movl 4(%esp), %eax + movl 8(%esp), %edx + movl _vl_current_draw_buffer, %ecx + leal (%eax,%eax,2), %eax + movw %dx, (%ecx,%eax) + shrl $16, %edx + movb %dl, 2(%ecx,%eax) + ret + +/* Desc: void v_putpixel32 (unsigned int offset, int color); + * + * In : offset within buffer, color + * Out : - + * + * Note: uses current draw buffer + */ + .p2align 5,,31 + .global _v_putpixel32 +_v_putpixel32: + movl 8(%esp), %ecx + movl 4(%esp), %edx + movl _vl_current_draw_buffer, %eax + movl %ecx, (%eax,%edx,4) + ret |