diff options
Diffstat (limited to 'src/mesa/drivers/dos/virtual.S')
| -rw-r--r-- | src/mesa/drivers/dos/virtual.S | 469 |
1 files changed, 363 insertions, 106 deletions
diff --git a/src/mesa/drivers/dos/virtual.S b/src/mesa/drivers/dos/virtual.S index 3633161c98..4dbbbb3e3f 100644 --- a/src/mesa/drivers/dos/virtual.S +++ b/src/mesa/drivers/dos/virtual.S @@ -23,7 +23,7 @@ */
/*
- * DOS/DJGPP device driver v1.1 for Mesa 4.0
+ * DOS/DJGPP device driver v1.3 for Mesa 5.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@@ -34,60 +34,153 @@ .file "virtual.S"
/*
- * extern word32 vl_hw_granularity;
- * extern int vl_video_selector;
- * extern int vl_current_offset, vl_current_delta;
+ * extern void *vl_current_draw_buffer;
+ * extern int vl_current_width, vl_current_bytes;
*/
.text
-/*
- * void v_clear16 (void *buffer, int bytes, int color);
+/* Desc: void v_clear8 (int color);
+ *
+ * In : color
+ * Out : -
+ *
+ * Note: uses current draw buffer
*/
- .balign 4
+ .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 12(%esp), %eax
+ movl 4(%esp), %eax
pushw %ax
pushw %ax
popl %eax
jmp _v_clear_common
-/*
- * void v_clear32 (void *buffer, int bytes, int color);
+/* Desc: void v_clear32 (int color);
+ *
+ * In : color
+ * Out : -
+ *
+ * Note: uses current draw buffer
*/
- .balign 4
+ .p2align 5,,31
.global _v_clear32
_v_clear32:
- movl 12(%esp), %eax
+ movl 4(%esp), %eax
.balign 4
_v_clear_common:
- movl 8(%esp), %ecx
- movl 4(%esp), %edx
+ movl _vl_current_bytes, %ecx
+ movl _vl_current_draw_buffer, %edx
shrl $2, %ecx
- 0:
.balign 4
+ 0:
movl %eax, (%edx)
addl $4, %edx
decl %ecx
jnz 0b
ret
-/*
- * void v_clear24 (void *buffer, int bytes, int color);
+/* 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:
+ movl 4(%esp), %eax
+ movb %al, %ah
+ pushw %ax
+ pushw %ax
+ pushw %ax
+ pushw %ax
+ jmp _v_clear_common_mmx
+
+/* 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:
+ movl 4(%esp), %eax
+ pushw %ax
+ pushw %ax
+ pushw %ax
+ pushw %ax
+ jmp _v_clear_common_mmx
+
+/* 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:
+ movl 4(%esp), %eax
+ pushl %eax
+ pushl %eax
.balign 4
+_v_clear_common_mmx:
+#ifdef USE_MMX_ASM
+ movl _vl_current_bytes, %ecx
+ movl _vl_current_draw_buffer, %edx
+ movq (%esp), %mm0
+ shrl $3, %ecx
+ .balign 4
+ 0:
+ movq %mm0, (%edx)
+ addl $8, %edx
+ decl %ecx
+ jnz 0b
+ emms
+#endif
+ addl $8, %esp
+ ret
+
+/* Desc: void v_clear24 (int color);
+ *
+ * In : color
+ * Out : -
+ *
+ * Note: uses current draw buffer
+ */
+ .p2align 5,,31
.global _v_clear24
_v_clear24:
- movl 8(%esp), %edx
movl $0xaaaaaaab, %eax
- mull %edx
- movl 12(%esp), %eax
+ mull _vl_current_bytes
+ movl 4(%esp), %eax
movl %edx, %ecx
- movl 4(%esp), %edx
pushl %ebx
+ movl _vl_current_draw_buffer, %edx
shrl %ecx
- movb 18(%esp), %bl
+ movb 10(%esp), %bl
.balign 4
0:
movw %ax, (%edx)
@@ -98,140 +191,304 @@ _v_clear24: popl %ebx
ret
-/*
- * void b_dump_virtual (void *buffer, int stride, int height);
+/* 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
- .global _b_dump_virtual
-_b_dump_virtual:
- pushl %ebx
+ 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
- pushl %ebp
- movl _vl_video_selector, %fs
- movl 4*4+4+0(%esp), %esi
- movl _vl_hw_granularity, %ebp
- xorl %edx, %edx
- movl _vl_current_offset, %eax
- divl %ebp
- movl %edx, %edi
- pushl %eax
- movl %eax, %edx
- xorl %ebx, %ebx
- movw $0x4f05, %ax
- int $0x10
- movl _vl_current_delta, %ebx
- movl 5*4+4+4(%esp), %ecx
- movl 5*4+4+8(%esp), %edx
- shrl $2, %ecx
+ 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:
- cmpl %ebp, %edi
- jb 2f
- pushl %ebx
- pushl %edx
- incl 12(%esp)
- movw $0x4f05, %ax
- movl 12(%esp), %edx
- xorl %ebx, %ebx
- int $0x10
- popl %edx
+ 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
- subl %ebp, %edi
+ 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:
- movl (%esi), %eax
- addl $4, %esi
- movl %eax, %fs:(%edi)
- addl $4, %edi
+ 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 %ebx, %edi
+ addl %esi, %edi
decl %edx
jnz 0b
- popl %eax
- popl %ebp
+ popl %ebx
popl %edi
popl %esi
- popl %ebx
ret
-/*
- * void l_dump_virtual (void *buffer, int stride, int height);
+/* Desc: void v_rect32 (int color);
+ *
+ * In : color
+ * Out : -
+ *
+ * Note: uses current draw buffer
*/
- .balign 4
- .global _l_dump_virtual
-_l_dump_virtual:
- pushl %ebx
+ .p2align 5,,31
+ .global _v_rect32
+_v_rect32:
pushl %esi
pushl %edi
- movl _vl_video_selector, %fs
- movl 3*4+4+0(%esp), %esi
- movl _vl_current_offset, %edi
- movl 3*4+4+4(%esp), %ecx
- movl 3*4+4+8(%esp), %edx
- movl _vl_current_delta, %ebx
- shrl $2, %ecx
+ 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 (%esi), %eax
- addl $4, %esi
- movl %eax, %fs:(%edi)
+ movl %eax, (%edi)
addl $4, %edi
decl %ecx
jnz 1b
popl %ecx
- addl %ebx, %edi
+ addl %esi, %edi
decl %edx
jnz 0b
popl %edi
popl %esi
- popl %ebx
ret
-/*
- * void v_putpixel16 (void *buffer, int offset, int color);
+/* Desc: void v_putpixel8 (unsigned int offset, int color);
+ *
+ * In : offset within buffer, color
+ * Out : -
+ *
+ * Note: uses current draw buffer
*/
- .balign 4
+ .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), %edx
- shll %edx
- movl 12(%esp), %eax
- addl 4(%esp), %edx
- movw %ax, (%edx)
+ movl 8(%esp), %ecx
+ movl 4(%esp), %edx
+ movl _vl_current_draw_buffer, %eax
+ movw %cx, (%eax,%edx,2)
ret
-/*
- * void v_putpixel24 (void *buffer, int offset, int color);
+/* Desc: void v_putpixel24 (unsigned int offset, int color);
+ *
+ * In : offset within buffer, color
+ * Out : -
+ *
+ * Note: uses current draw buffer
*/
- .balign 4
+ .p2align 5,,31
.global _v_putpixel24
_v_putpixel24:
+ movl 4(%esp), %eax
movl 8(%esp), %edx
- leal (%edx, %edx, 2), %edx
- movl 12(%esp), %eax
- addl 4(%esp), %edx
- movw %ax, (%edx)
- shrl $16, %eax
- movb %al, 2(%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
-/*
- * void v_putpixel32 (void *buffer, int offset, int color);
+/* Desc: void v_putpixel32 (unsigned int offset, int color);
+ *
+ * In : offset within buffer, color
+ * Out : -
+ *
+ * Note: uses current draw buffer
*/
- .balign 4
+ .p2align 5,,31
.global _v_putpixel32
_v_putpixel32:
- movl 8(%esp), %edx
- shll $2, %edx
- movl 12(%esp), %eax
- addl 4(%esp), %edx
- movl %eax, (%edx)
+ movl 8(%esp), %ecx
+ movl 4(%esp), %edx
+ movl _vl_current_draw_buffer, %eax
+ movl %ecx, (%eax,%edx,4)
ret
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