$(DIRECTORY)/src/mesa/drivers/beos/Makefile \
$(DIRECTORY)/src/mesa/drivers/common/*.[ch] \
$(DIRECTORY)/src/mesa/drivers/common/descrip.mms \
- $(DIRECTORY)/src/mesa/drivers/dos/*.[chS] \
$(DIRECTORY)/src/mesa/drivers/fbdev/Makefile \
$(DIRECTORY)/src/mesa/drivers/fbdev/glfbdev.c \
$(DIRECTORY)/src/mesa/drivers/glide/*.[ch] \
$(DIRECTORY)/src/glut/beos/*.[ch] \
$(DIRECTORY)/src/glut/beos/*.cpp \
$(DIRECTORY)/src/glut/beos/Makefile \
- $(DIRECTORY)/src/glut/dos/*.[ch] \
- $(DIRECTORY)/src/glut/dos/PC_HW/*.[chS] \
$(DIRECTORY)/src/glut/ggi/*.[ch] \
$(DIRECTORY)/src/glut/ggi/Makefile \
$(DIRECTORY)/src/glut/fbdev/Makefile \
sel_inc_glut = $(INC_GLUT)
endif
-EXTRA_HEADERS = amesa.h dosmesa.h foomesa.h glut_h.dja mesa_wgl.h mglmesa.h \
+EXTRA_HEADERS = amesa.h foomesa.h glut_h.dja mesa_wgl.h mglmesa.h \
vms_x_fix.h wmesa.h \
$(INC_GGI) $(INC_OSMESA) $(INC_SVGA) $(INC_X11) $(INC_GLUT)
+++ /dev/null
-/*
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@yahoo.com
- * Web : http://www.geocities.com/dborca
- */
-
-
- .file "blit.S"
-
-/*
- * extern unsigned int vesa_gran_mask, vesa_gran_shift;
- * extern int vl_video_selector;
-
- * extern void *vl_current_draw_buffer;
- * extern int vl_current_stride, vl_current_height;
- * extern int vl_current_offset, vl_current_delta;
- */
-
- .text
-
-/* Desc: VESA bank switching routine (BIOS)
- *
- * In : EBX=0, EDX = bank number
- * Out : -
- *
- * Note: thrashes EAX
- */
- .p2align 5,,31
-_vesa_swbankBIOS:
- movw $0x4f05, %ax
- int $0x10
- ret
-
- .p2align 2,,3
- .global _vesa_swbank
-_vesa_swbank: .long _vesa_swbankBIOS
-
-/* Desc: void vesa_b_dump_virtual (void);
- *
- * In : -
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _vesa_b_dump_virtual
-_vesa_b_dump_virtual:
- cld
- pushl %es
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl _vl_video_selector, %es
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vesa_gran_shift, %ecx
- movl _vesa_gran_mask, %ebp
- movl %edi, %edx
- xorl %ebx, %ebx
- andl %ebp, %edi
- shrl %cl, %edx
- incl %ebp
- call *_vesa_swbank
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %eax
- movl _vl_current_delta, %ebx
- shrl $2, %ecx
- .balign 4
- 0:
- pushl %ecx
- .balign 4
- 1:
- cmpl %ebp, %edi
- jb 2f
- pushl %eax
- pushl %ebx
- incl %edx
- xorl %ebx, %ebx
- call *_vesa_swbank
- popl %ebx
- popl %eax
- subl %ebp, %edi
- .balign 4
- 2:
- movsl
- decl %ecx
- jnz 1b
- popl %ecx
- addl %ebx, %edi
- decl %eax
- jnz 0b
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
- popl %es
- ret
-
-/* Desc: void vesa_l_dump_virtual (void);
- *
- * In : -
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _vesa_l_dump_virtual
-_vesa_l_dump_virtual:
- cld
- pushl %es
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %es
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %eax
- shrl $2, %ecx
- .balign 4
- 0:
- pushl %ecx
- rep; movsl
- popl %ecx
- addl %eax, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- popl %es
- ret
-
-/* Desc: void vesa_l_dump_virtual_mmx (void);
- *
- * In : -
- * Out : -
- *
- * Note: uses current draw buffer
- */
- .p2align 5,,31
- .global _vesa_l_dump_virtual_mmx
-_vesa_l_dump_virtual_mmx:
-#ifdef USE_MMX_ASM
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %eax
- shrl $3, %ecx
- .balign 4
- 0:
- pushl %ecx
- .balign 4
- 1:
- movq (%esi), %mm0
- addl $8, %esi
- movq %mm0, %fs:(%edi)
- addl $8, %edi
- decl %ecx
- jnz 1b
- popl %ecx
- addl %eax, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- emms
-#endif
- ret
-
-
-
-#define CVT_32_TO_16(s, tmp) \
- /* SRC = bbbbbbbbggggggggrrrrrrrr******** */\
- movl %e##s##x, %tmp ;\
- /* TMP = bbbbbbbbggggggggrrrrrrrr******** */\
- shrb $2, %s##h ;\
- /* SRC = bbbbbbbbgggggg00rrrrrrrr******** */\
- andl $0xF80000, %tmp ;\
- /* TMP = 0000000000000000000rrrrr00000000 */\
- shrw $3, %s##x ;\
- /* SRC = bbbbbgggggg00000rrrrrrrr******** */\
- shrl $8, %tmp ;\
- /* TMP = 00000000000rrrrr0000000000000000 */\
- orl %tmp, %e##s##x ;\
- /* SRC = bbbbbggggggrrrrrrrrrrrrr******** */
-
-#define CVT_32_TO_15(s, tmp) \
- /* SRC = bbbbbbbbggggggggrrrrrrrr******** */\
- movl %e##s##x, %tmp ;\
- /* TMP = bbbbbbbbggggggggrrrrrrrr******** */\
- shrb $3, %s##h ;\
- /* SRC = bbbbbbbbgggggg00rrrrrrrr******** */\
- andl $0xF80000, %tmp ;\
- /* TMP = 0000000000000000000rrrrr00000000 */\
- shrw $3, %s##x ;\
- /* SRC = bbbbbgggggg00000rrrrrrrr******** */\
- shrl $9, %tmp ;\
- /* TMP = 00000000000rrrrr0000000000000000 */\
- orl %tmp, %e##s##x ;\
- /* SRC = bbbbbggggggrrrrrrrrrrrrr******** */
-
-#define CVT_16_TO_15(src, tmp) \
- /* SRC = bbbbbggggggrrrrrBBBBBGGGGGGRRRRR */\
- movl %src, %tmp ;\
- /* TMP = bbbbbggggggrrrrrBBBBBGGGGGGRRRRR */\
- andl $0x1F001F, %src ;\
- /* SRC = bbbbb00000000000BBBBB00000000000 */\
- andl $0xFFC0FFC0, %tmp ;\
- /* TMP = 000000gggggrrrrr000000GGGGGRRRRR */\
- shrl %tmp ;\
- /* TMP = 00000gggggrrrrr000000GGGGGRRRRR0 */\
- orl %tmp, %src ;\
- /* SRC = bbbbbgggggrrrrr0BBBBBGGGGGRRRRR0 */\
-
-
-
-/* transform BGRA to BGR */
- .p2align 5,,31
- .global _vesa_l_dump_32_to_24
-_vesa_l_dump_32_to_24:
- pushl %ebx
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %ecx
- 1:
- movl (%esi), %eax
- addl $4, %esi
- movw %ax, %fs:(%edi)
- shrl $16, %eax
- movb %al, %fs:2(%edi)
- addl $3, %edi
- subl $3, %ecx
- jnz 1b
- popl %ecx
- addl %ebx, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- popl %ebx
- ret
-
-/* transform BGRA to B5G6R5 */
- .p2align 5,,31
- .global _vesa_l_dump_32_to_16
-_vesa_l_dump_32_to_16:
- pushl %ebp
- pushl %ebx
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %ecx
- 1:
- movl (%esi), %eax
- addl $4, %esi
- CVT_32_TO_16(a, ebp)
- movw %ax, %fs:(%edi)
- addl $2, %edi
- subl $2, %ecx
- jnz 1b
- popl %ecx
- addl %ebx, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- popl %ebx
- popl %ebp
- ret
-
-/* transform BGRA to B5G5R5 */
- .p2align 5,,31
- .global _vesa_l_dump_32_to_15
-_vesa_l_dump_32_to_15:
- pushl %ebp
- pushl %ebx
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %ecx
- 1:
- movl (%esi), %eax
- addl $4, %esi
- CVT_32_TO_15(a, ebp)
- movw %ax, %fs:(%edi)
- addl $2, %edi
- subl $2, %ecx
- jnz 1b
- popl %ecx
- addl %ebx, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- popl %ebx
- popl %ebp
- ret
-
-/* transform BGRA to fake8 */
- .p2align 5,,31
- .global _vesa_l_dump_32_to_8
-_vesa_l_dump_32_to_8:
- pushl %ebp
- pushl %ebx
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %edx
- pushl %ecx
- pushl %ebx
- 1:
- movl (%esi), %eax
- addl $4, %esi
-#if 1
- xorl %ebx, %ebx
- movl %eax, %edx
- movb %ah, %bl
- shrl $16, %edx
- andl $0xFF, %edx
- andl $0xFF, %eax
-
- movb _array_b(%eax), %al
- movb _array_r(%edx), %dl
- movb _array_g(%ebx), %bl
-
- imull $36, %eax
- imull $6, %ebx
- addl %edx, %eax
- addl %ebx, %eax
-#endif
- movb %al, %fs:(%edi)
- incl %edi
- decl %ecx
- jnz 1b
- popl %ebx
- popl %ecx
- popl %edx
- addl %ebx, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- popl %ebx
- popl %ebp
- ret
-
-/* transform BGR to BGRx */
- .p2align 5,,31
- .global _vesa_l_dump_24_to_32
-_vesa_l_dump_24_to_32:
- pushl %ebx
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %ecx
- 1:
- movl (%esi), %eax
- addl $3, %esi
- movl %eax, %fs:(%edi)
- addl $4, %edi
- subl $4, %ecx
- jnz 1b
- popl %ecx
- addl %ebx, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- popl %ebx
- ret
-
-/* transform BGR to fake8 */
- .p2align 5,,31
- .global _vesa_l_dump_24_to_8
-_vesa_l_dump_24_to_8:
- pushl %ebp
- pushl %ebx
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %edx
- pushl %ecx
- pushl %ebx
- 1:
- movl (%esi), %eax
- addl $3, %esi
-#if 1
- xorl %ebx, %ebx
- movl %eax, %edx
- movb %ah, %bl
- shrl $16, %edx
- andl $0xFF, %edx
- andl $0xFF, %eax
-
- movb _array_b(%eax), %al
- movb _array_r(%edx), %dl
- movb _array_g(%ebx), %bl
-
- imull $36, %eax
- imull $6, %ebx
- addl %edx, %eax
- addl %ebx, %eax
-#endif
- movb %al, %fs:(%edi)
- incl %edi
- decl %ecx
- jnz 1b
- popl %ebx
- popl %ecx
- popl %edx
- addl %ebx, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- popl %ebx
- popl %ebp
- ret
-
-/* transform B5G6R5 to B5G5R5 */
- .p2align 5,,31
- .global _vesa_l_dump_16_to_15
-_vesa_l_dump_16_to_15:
- pushl %ebp
- pushl %ebx
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %ecx
- 1:
- movl (%esi), %eax
- addl $4, %esi
- CVT_16_TO_15(eax, ebp)
- movl %eax, %fs:(%edi)
- addl $4, %edi
- subl $4, %ecx
- jnz 1b
- popl %ecx
- addl %ebx, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- popl %ebx
- popl %ebp
- ret
-
-/* transform B5G6R5 to fake8 */
- .p2align 5,,31
- .global _vesa_l_dump_16_to_8
-_vesa_l_dump_16_to_8:
- pushl %ebp
- pushl %ebx
- pushl %esi
- pushl %edi
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %edx
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %ecx
- pushl %ebx
- 1:
- movl (%esi), %eax
- addl $4, %esi
-#if 1
- movl %eax, %ebx
- andl $0xFFFF, %eax
- shrl $16, %ebx
- movb _tab_16_8(%eax), %al
- movb _tab_16_8(%ebx), %ah
-#endif
- movw %ax, %fs:(%edi)
- addl $2, %edi
- subl $2, %ecx
- jnz 1b
- popl %ebx
- popl %ecx
- addl %ebx, %edi
- decl %edx
- jnz 0b
- popl %edi
- popl %esi
- popl %ebx
- popl %ebp
- ret
-
-
-
- .p2align 5,,31
- .global _vesa_b_dump_32_to_24
-_vesa_b_dump_32_to_24:
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vesa_gran_shift, %ecx
- movl _vesa_gran_mask, %ebp
- movl %edi, %edx
- xorl %ebx, %ebx
- andl %ebp, %edi
- shrl %cl, %edx
- incl %ebp
- call *_vesa_swbank
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %eax
- movl $0x00FFFFFF, %ebx
- .balign 4
- 0:
- pushl %eax
- pushl %ecx
- .balign 4
- 1:
- cmpl %ebp, %edi
- jb 2f
- pushl %ebx
- incl %edx
- xorl %ebx, %ebx
- call *_vesa_swbank
- popl %ebx
- subl %ebp, %edi
- .balign 4
- 2:
- movb (%esi), %al /* XXX too many accesses */
- incl %esi
- rorl $8, %ebx
- jnc 2b
- movb %al, %fs:(%edi)
- incl %edi
- decl %ecx
- jnz 1b
- popl %ecx
- popl %eax
- addl _vl_current_delta, %edi
- decl %eax
- jnz 0b
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
- ret
-
- .p2align 5,,31
- .global _vesa_b_dump_32_to_16
-_vesa_b_dump_32_to_16:
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vesa_gran_shift, %ecx
- movl _vesa_gran_mask, %ebp
- movl %edi, %edx
- xorl %ebx, %ebx
- andl %ebp, %edi
- shrl %cl, %edx
- incl %ebp
- call *_vesa_swbank
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %eax
- .balign 4
- 0:
- pushl %eax
- pushl %ecx
- .balign 4
- 1:
- cmpl %ebp, %edi
- jb 2f
- incl %edx
- xorl %ebx, %ebx
- call *_vesa_swbank
- subl %ebp, %edi
- .balign 4
- 2:
- movl (%esi), %eax
- addl $4, %esi
- CVT_32_TO_16(a, ebx)
- movw %ax, %fs:(%edi)
- addl $2, %edi
- subl $2, %ecx
- jnz 1b
- popl %ecx
- popl %eax
- addl _vl_current_delta, %edi
- decl %eax
- jnz 0b
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
- ret
-
- .p2align 5,,31
- .global _vesa_b_dump_32_to_15
-_vesa_b_dump_32_to_15:
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vesa_gran_shift, %ecx
- movl _vesa_gran_mask, %ebp
- movl %edi, %edx
- xorl %ebx, %ebx
- andl %ebp, %edi
- shrl %cl, %edx
- incl %ebp
- call *_vesa_swbank
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %eax
- .balign 4
- 0:
- pushl %eax
- pushl %ecx
- .balign 4
- 1:
- cmpl %ebp, %edi
- jb 2f
- incl %edx
- xorl %ebx, %ebx
- call *_vesa_swbank
- subl %ebp, %edi
- .balign 4
- 2:
- movl (%esi), %eax
- addl $4, %esi
- CVT_32_TO_15(a, ebx)
- movw %ax, %fs:(%edi)
- addl $2, %edi
- subl $2, %ecx
- jnz 1b
- popl %ecx
- popl %eax
- addl _vl_current_delta, %edi
- decl %eax
- jnz 0b
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
- ret
-
- .p2align 5,,31
- .global _vesa_b_dump_32_to_8
-_vesa_b_dump_32_to_8:
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vesa_gran_shift, %ecx
- movl _vesa_gran_mask, %ebp
- movl %edi, %edx
- xorl %ebx, %ebx
- andl %ebp, %edi
- shrl %cl, %edx
- incl %ebp
- call *_vesa_swbank
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %eax
- .balign 4
- 0:
- pushl %eax
- pushl %ecx
- pushl %edx
- .balign 4
- 1:
- cmpl %ebp, %edi
- jb 2f
- popl %edx
- incl %edx
- pushl %edx
- xorl %ebx, %ebx
- call *_vesa_swbank
- subl %ebp, %edi
- .balign 4
- 2:
- movl (%esi), %eax
- addl $4, %esi
-#if 1
- xorl %ebx, %ebx
- movl %eax, %edx
- movb %ah, %bl
- shrl $16, %edx
- andl $0xFF, %edx
- andl $0xFF, %eax
-
- movb _array_b(%eax), %al
- movb _array_r(%edx), %dl
- movb _array_g(%ebx), %bl
-
- imull $36, %eax
- imull $6, %ebx
- addl %edx, %eax
- addl %ebx, %eax
-#endif
- movb %al, %fs:(%edi)
- incl %edi
- decl %ecx
- jnz 1b
- popl %edx
- popl %ecx
- popl %eax
- addl _vl_current_delta, %edi
- decl %eax
- jnz 0b
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
- ret
-
- .p2align 5,,31
- .global _vesa_b_dump_24_to_32
-_vesa_b_dump_24_to_32:
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vesa_gran_shift, %ecx
- movl _vesa_gran_mask, %ebp
- movl %edi, %edx
- xorl %ebx, %ebx
- andl %ebp, %edi
- shrl %cl, %edx
- incl %ebp
- call *_vesa_swbank
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %eax
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %eax
- pushl %ecx
- .balign 4
- 1:
- cmpl %ebp, %edi
- jb 2f
- pushl %ebx
- incl %edx
- xorl %ebx, %ebx
- call *_vesa_swbank
- popl %ebx
- subl %ebp, %edi
- .balign 4
- 2:
- movl (%esi), %eax
- addl $3, %esi
- movl %eax, %fs:(%edi)
- addl $4, %edi
- subl $4, %ecx
- jnz 1b
- popl %ecx
- popl %eax
- addl %ebx, %edi
- decl %eax
- jnz 0b
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
- ret
-
- .p2align 5,,31
- .global _vesa_b_dump_24_to_8
-_vesa_b_dump_24_to_8:
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vesa_gran_shift, %ecx
- movl _vesa_gran_mask, %ebp
- movl %edi, %edx
- xorl %ebx, %ebx
- andl %ebp, %edi
- shrl %cl, %edx
- incl %ebp
- call *_vesa_swbank
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %eax
- .balign 4
- 0:
- pushl %eax
- pushl %ecx
- pushl %edx
- .balign 4
- 1:
- cmpl %ebp, %edi
- jb 2f
- popl %edx
- incl %edx
- pushl %edx
- xorl %ebx, %ebx
- call *_vesa_swbank
- subl %ebp, %edi
- .balign 4
- 2:
- movl (%esi), %eax
- addl $3, %esi
-#if 1
- xorl %ebx, %ebx
- movl %eax, %edx
- movb %ah, %bl
- shrl $16, %edx
- andl $0xFF, %edx
- andl $0xFF, %eax
-
- movb _array_b(%eax), %al
- movb _array_r(%edx), %dl
- movb _array_g(%ebx), %bl
-
- imull $36, %eax
- imull $6, %ebx
- addl %edx, %eax
- addl %ebx, %eax
-#endif
- movb %al, %fs:(%edi)
- incl %edi
- decl %ecx
- jnz 1b
- popl %edx
- popl %ecx
- popl %eax
- addl _vl_current_delta, %edi
- decl %eax
- jnz 0b
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
- ret
-
- .p2align 5,,31
- .global _vesa_b_dump_16_to_15
-_vesa_b_dump_16_to_15:
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vesa_gran_shift, %ecx
- movl _vesa_gran_mask, %ebp
- movl %edi, %edx
- xorl %ebx, %ebx
- andl %ebp, %edi
- shrl %cl, %edx
- incl %ebp
- call *_vesa_swbank
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %eax
- .balign 4
- 0:
- pushl %eax
- pushl %ecx
- .balign 4
- 1:
- cmpl %ebp, %edi
- jb 2f
- incl %edx
- xorl %ebx, %ebx
- call *_vesa_swbank
- subl %ebp, %edi
- .balign 4
- 2:
- movw (%esi), %ax
- addl $2, %esi
- CVT_16_TO_15(eax, ebx)
- movw %ax, %fs:(%edi)
- addl $2, %edi
- subl $2, %ecx
- jnz 1b
- popl %ecx
- popl %eax
- addl _vl_current_delta, %edi
- decl %eax
- jnz 0b
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
- ret
-
- .p2align 5,,31
- .global _vesa_b_dump_16_to_8
-_vesa_b_dump_16_to_8:
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl _vl_video_selector, %fs
- movl _vl_current_draw_buffer, %esi
- movl _vl_current_offset, %edi
- movl _vesa_gran_shift, %ecx
- movl _vesa_gran_mask, %ebp
- movl %edi, %edx
- xorl %ebx, %ebx
- andl %ebp, %edi
- shrl %cl, %edx
- incl %ebp
- call *_vesa_swbank
- movl _vl_current_stride, %ecx
- movl _vl_current_height, %eax
- movl _vl_current_delta, %ebx
- .balign 4
- 0:
- pushl %eax
- pushl %ecx
- .balign 4
- 1:
- cmpl %ebp, %edi
- jb 2f
- pushl %ebx
- incl %edx
- xorl %ebx, %ebx
- call *_vesa_swbank
- popl %ebx
- subl %ebp, %edi
- .balign 4
- 2:
- movw (%esi), %ax
- addl $2, %esi
-#if 1
- andl $0xFFFF, %eax
- movb _tab_16_8(%eax), %al
-#endif
- movb %al, %fs:(%edi)
- addl $1, %edi
- subl $1, %ecx
- jnz 1b
- popl %ecx
- popl %eax
- addl %ebx, %edi
- decl %eax
- jnz 0b
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
- ret
+++ /dev/null
-/*
- * Mesa 3-D graphics library
- * Version: 6.3
- *
- * Copyright (C) 1999-2004 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@users.sourceforge.net
- * Web : http://www.geocities.com/dborca
- */
-
-
-#include "main/context.h"
-#include "main/imports.h"
-#include "main/mtypes.h"
-
-#include "video.h"
-
-#include "GL/osmesa.h"
-#include "GL/dmesa.h"
-
-
-/*
- * This has nothing to do with Mesa Visual structure.
- * We keep this one around for backwards compatibility,
- * and to store video mode data for DMesaCreateContext.
- */
-struct dmesa_visual {
- GLenum format; /* OSMesa framebuffer format */
- GLint depthBits;
- GLint stencilBits;
- GLint accumBits;
-};
-
-/*
- * This has nothing to do with Mesa Buffer structure.
- * We keep this one around for backwards compatibility,
- * and to store various data.
- */
-struct dmesa_buffer {
- int xpos, ypos; /* position */
- int width, height; /* size in pixels */
- GLenum type;
- void *the_window; /* your window handle, etc */
-};
-
-/*
- * This has nothing to do with Mesa Context structure.
- * We keep this one around for backwards compatibility,
- * and to store real off-screen context.
- */
-struct dmesa_context {
- OSMesaContext osmesa;
- DMesaBuffer buffer;
-};
-
-
-static DMesaContext ctx;
-
-
-/****************************************************************************
- * DMesa Public API Functions
- ***************************************************************************/
-
-/*
- * The exact arguments to this function will depend on your window system
- */
-DMesaVisual
-DMesaCreateVisual (GLint width,
- GLint height,
- GLint colDepth,
- GLint refresh,
- GLboolean dbFlag,
- GLboolean rgbFlag,
- GLint alphaSize,
- GLint depthSize,
- GLint stencilSize,
- GLint accumSize)
-{
- DMesaVisual visual;
- GLenum format;
- int fbbits;
-
- if (dbFlag) {
- return NULL;
- }
-
- if (!rgbFlag) {
- format = OSMESA_COLOR_INDEX;
- fbbits = 8;
- } else if (alphaSize) {
- format = OSMESA_BGRA;
- fbbits = 32;
- } else if (colDepth == 15 || colDepth == 16) {
- format = OSMESA_RGB_565;
- fbbits = 16;
- } else {
- format = OSMESA_BGR;
- fbbits = 24;
- }
-
- if ((visual = (DMesaVisual)CALLOC_STRUCT(dmesa_visual)) == NULL) {
- return NULL;
- }
-
- if (vl_video_init(width, height, colDepth, rgbFlag, refresh, fbbits) <= 0) {
- FREE(visual);
- return NULL;
- }
-
- visual->format = format;
- visual->depthBits = depthSize;
- visual->stencilBits = stencilSize;
- visual->accumBits = accumSize;
- return visual;
-}
-
-
-void
-DMesaDestroyVisual (DMesaVisual visual)
-{
- vl_video_exit();
- FREE(visual);
-}
-
-
-DMesaBuffer
-DMesaCreateBuffer (DMesaVisual visual,
- GLint xpos, GLint ypos,
- GLint width, GLint height)
-{
- DMesaBuffer buffer;
- GLenum type;
- int bytesPerPixel;
-
- switch (visual->format) {
- case OSMESA_COLOR_INDEX:
- bytesPerPixel = 1;
- type = CHAN_TYPE;
- break;
- case OSMESA_RGB_565:
- bytesPerPixel = 2;
- type = GL_UNSIGNED_SHORT_5_6_5;
- break;
- case OSMESA_BGR:
- bytesPerPixel = 3;
- type = CHAN_TYPE;
- break;
- default:
- bytesPerPixel = 4;
- type = CHAN_TYPE;
- }
-
- if ((buffer = (DMesaBuffer)CALLOC_STRUCT(dmesa_buffer)) != NULL) {
- buffer->xpos = xpos;
- buffer->ypos = ypos;
- buffer->width = width;
- buffer->height = height;
- buffer->type = type;
- buffer->the_window = MALLOC(width * height * bytesPerPixel + 1);
- if (buffer->the_window == NULL) {
- FREE(buffer);
- buffer = NULL;
- }
- }
-
- return buffer;
-}
-
-
-void
-DMesaDestroyBuffer (DMesaBuffer buffer)
-{
- FREE(buffer->the_window);
- FREE(buffer);
-}
-
-
-DMesaContext
-DMesaCreateContext (DMesaVisual visual, DMesaContext share)
-{
- DMesaContext dmesa;
- if ((dmesa = (DMesaContext)CALLOC_STRUCT(dmesa_context)) != NULL) {
- dmesa->osmesa = OSMesaCreateContextExt(
- visual->format,
- visual->depthBits,
- visual->stencilBits,
- visual->accumBits,
- (share != NULL) ? share->osmesa : NULL);
- if (dmesa->osmesa == NULL) {
- FREE(dmesa);
- dmesa = NULL;
- }
- }
- return dmesa;
-}
-
-
-void
-DMesaDestroyContext (DMesaContext dmesa)
-{
- OSMesaDestroyContext(dmesa->osmesa);
- FREE(dmesa);
-}
-
-
-GLboolean
-DMesaMoveBuffer (GLint xpos, GLint ypos)
-{
- const DMesaContext dmesa = DMesaGetCurrentContext();
- DMesaBuffer b = dmesa->buffer;
-
- if (vl_sync_buffer(&b->the_window, xpos, ypos, b->width, b->height) == 0) {
- b->xpos = xpos;
- b->ypos = ypos;
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-
-GLboolean
-DMesaResizeBuffer (GLint width, GLint height)
-{
- const DMesaContext dmesa = DMesaGetCurrentContext();
- DMesaBuffer b = dmesa->buffer;
-
- if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, width, height) == 0) {
- b->width = width;
- b->height = height;
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-
-GLboolean
-DMesaMakeCurrent (DMesaContext dmesa, DMesaBuffer buffer)
-{
- if (dmesa == NULL || buffer == NULL) {
- ctx = NULL;
- return GL_TRUE;
- }
- if (OSMesaMakeCurrent(dmesa->osmesa, buffer->the_window,
- buffer->type,
- buffer->width, buffer->height) &&
- vl_sync_buffer(&buffer->the_window, buffer->xpos, buffer->ypos, buffer->width, buffer->height) == 0) {
- OSMesaPixelStore(OSMESA_Y_UP, GL_FALSE);
- dmesa->buffer = buffer;
- ctx = dmesa;
- return GL_TRUE;
- }
- return GL_FALSE;
-}
-
-
-void
-DMesaSwapBuffers (DMesaBuffer buffer)
-{
- /* copy/swap back buffer to front if applicable */
- GET_CURRENT_CONTEXT(ctx);
- _mesa_notifySwapBuffers(ctx);
- vl_flip();
- (void)buffer;
-}
-
-
-void
-DMesaSetCI (int ndx, GLfloat red, GLfloat green, GLfloat blue)
-{
- vl_setCI(ndx, red, green, blue);
-}
-
-
-DMesaContext
-DMesaGetCurrentContext (void)
-{
- return ctx;
-}
-
-
-DMesaBuffer
-DMesaGetCurrentBuffer (void)
-{
- const DMesaContext dmesa = DMesaGetCurrentContext();
-
- if (dmesa != NULL) {
- return dmesa->buffer;
- }
-
- return NULL;
-}
-
-
-DMesaProc
-DMesaGetProcAddress (const char *name)
-{
- DMesaProc p = (DMesaProc)_glapi_get_proc_address(name);
-
- /* TODO: handle DMesa* namespace
- if (p == NULL) {
- }
- */
-
- return p;
-}
-
-
-int
-DMesaGetIntegerv (GLenum pname, GLint *params)
-{
- switch (pname) {
- case DMESA_GET_SCREEN_SIZE:
- vl_get(VL_GET_SCREEN_SIZE, params);
- break;
- case DMESA_GET_DRIVER_CAPS:
- params[0] = 0;
- break;
- case DMESA_GET_VIDEO_MODES:
- return vl_get(VL_GET_VIDEO_MODES, params);
- case DMESA_GET_BUFFER_ADDR: {
- const DMesaContext dmesa = DMesaGetCurrentContext();
- if (dmesa != NULL) {
- DMesaBuffer b = dmesa->buffer;
- if (b != NULL) {
- params[0] = (GLint)b->the_window;
- }
- }
- break;
- }
- default:
- return -1;
- }
-
- return 0;
-}
+++ /dev/null
-/*
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@yahoo.com
- * Web : http://www.geocities.com/dborca
- */
-
-
-#include <dpmi.h>
-
-#include "internal.h"
-
-
-#ifndef MAX
-#define MAX(x, y) (((x) < (y)) ? (y) : (x))
-#endif
-
-
-/* _create_linear_mapping:
- * Maps a physical address range into linear memory.
- */
-int
-_create_linear_mapping (unsigned long *linear, unsigned long physaddr, int size)
-{
- __dpmi_meminfo meminfo;
-
- if (physaddr >= 0x100000) {
- /* map into linear memory */
- meminfo.address = physaddr;
- meminfo.size = size;
- if (__dpmi_physical_address_mapping(&meminfo) != 0) {
- return -1;
- }
-
- *linear = meminfo.address;
- } else {
- /* exploit 1 -> 1 physical to linear mapping in low megabyte */
- *linear = physaddr;
- }
-
- return 0;
-}
-
-
-/* _remove_linear_mapping:
- * Frees the DPMI resources being used to map a linear address range.
- */
-void
-_remove_linear_mapping (unsigned long *linear)
-{
- __dpmi_meminfo meminfo;
-
- if (*linear) {
- if (*linear >= 0x100000) {
- meminfo.address = *linear;
- __dpmi_free_physical_address_mapping(&meminfo);
- }
-
- *linear = 0;
- }
-}
-
-
-/* _create_selector:
- * Allocates a selector to access a region of linear memory.
- */
-int
-_create_selector (int *segment, unsigned long base, int size)
-{
- /* allocate an ldt descriptor */
- if ((*segment=__dpmi_allocate_ldt_descriptors(1)) < 0) {
- *segment = 0;
- return -1;
- }
-
- /* create the linear mapping */
- if (_create_linear_mapping(&base, base, size)) {
- __dpmi_free_ldt_descriptor(*segment);
- *segment = 0;
- return -1;
- }
-
- /* set the descriptor base and limit */
- __dpmi_set_segment_base_address(*segment, base);
- __dpmi_set_segment_limit(*segment, MAX(size-1, 0xFFFF));
-
- return 0;
-}
-
-
-/* _remove_selector:
- * Frees a DPMI segment selector.
- */
-void
-_remove_selector (int *segment)
-{
- if (*segment) {
- unsigned long base;
- __dpmi_get_segment_base_address(*segment, &base);
- _remove_linear_mapping(&base);
- __dpmi_free_ldt_descriptor(*segment);
- *segment = 0;
- }
-}
-
-
-/* Desc: retrieve CPU MMX capability
- *
- * In : -
- * Out : FALSE if CPU cannot do MMX
- *
- * Note: -
- */
-int
-_can_mmx (void)
-{
-#ifdef USE_MMX_ASM
- int x86_cpu_features = 0;
- __asm("\n\
- pushfl \n\
- popl %%eax \n\
- movl %%eax, %%ecx \n\
- xorl $0x200000, %%eax\n\
- pushl %%eax \n\
- popfl \n\
- pushfl \n\
- popl %%eax \n\
- pushl %%ecx \n\
- popfl \n\
- xorl %%ecx, %%eax \n\
- jz 0f \n\
- movl $1, %%eax \n\
- cpuid \n\
- movl %%edx, %0 \n\
- 0: \n\
- ":"=g"(x86_cpu_features)::"%eax", "%ebx", "%ecx", "%edx");
- return (x86_cpu_features & 0x00800000);
-#else
- return 0;
-#endif
-}
+++ /dev/null
-/*
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@users.sourceforge.net
- * Web : http://www.geocities.com/dborca
- */
-
-
-#ifndef INTERNAL_H_included
-#define INTERNAL_H_included
-
-#include "../main/mtypes.h"
-
-
-/*
- * general purpose defines, etc.
- */
-#ifndef FALSE
-#define FALSE 0
-#define TRUE !FALSE
-#endif
-
-#define __PACKED__ __attribute__((packed))
-
-typedef unsigned char word8;
-typedef unsigned short word16;
-typedef unsigned long word32;
-
-#define _16_ *(word16 *)&
-#define _32_ *(word32 *)&
-
-typedef void (*BLTFUNC) (void);
-
-
-/*
- * video mode structure
- */
-typedef struct vl_mode {
- int xres, yres;
- int bpp;
-
- int mode;
- int scanlen;
-
- int sel;
- int gran;
-} vl_mode;
-
-
-/*
- * video driver structure
- */
-typedef struct {
- vl_mode *(*init) (void);
- int (*entermode) (vl_mode *p, int refresh, int fbbits);
- void (*blit) (void);
- void (*setCI_f) (int index, float red, float green, float blue);
- void (*setCI_i) (int index, int red, int green, int blue);
- int (*get) (int pname, int *params);
- void (*restore) (void);
- void (*fini) (void);
-} vl_driver;
-
-
-/*
- * memory mapping
- */
-int _create_linear_mapping (unsigned long *linear, unsigned long physaddr, int size);
-void _remove_linear_mapping (unsigned long *linear);
-int _create_selector (int *segment, unsigned long base, int size);
-void _remove_selector (int *segment);
-
-
-/*
- * system routines
- */
-int _can_mmx (void);
-
-
-#endif
+++ /dev/null
-/*
- * Mesa 3-D graphics library
- * Version: 4.1
- *
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@users.sourceforge.net
- * Web : http://www.geocities.com/dborca
- */
-
-
-#include <stdlib.h>
-#include <sys/segments.h>
-
-#include "video.h"
-#include "null.h"
-
-
-static vl_mode *modes;
-
-#define null_color_precision 8
-
-
-static void
-null_blit_nop (void)
-{
-}
-
-
-/* Desc: Attempts to detect NUL, check video modes and create selectors.
- *
- * In : -
- * Out : mode array
- *
- * Note: -
- */
-static vl_mode *
-null_init (void)
-{
- static int m[][2] = {
- { 320, 200 },
- { 320, 240 },
- { 400, 300 },
- { 512, 384 },
- { 640, 400 },
- { 640, 480 },
- { 800, 600 },
- { 1024, 768 },
- { 1280, 1024 },
- { 1600, 1200 }
- };
- static int b[] = {
- 8,
- 15,
- 16,
- 24,
- 32
- };
- const unsigned int m_count = sizeof(m) / sizeof(m[0]);
- const unsigned int b_count = sizeof(b) / sizeof(b[0]);
-
- unsigned int i, j, k;
-
- if (modes == NULL) {
- modes = malloc(sizeof(vl_mode) * (1 + m_count * b_count));
-
- if (modes != NULL) {
- for (k = 0, i = 0; i < m_count; i++) {
- for (j = 0; j < b_count; j++, k++) {
- modes[k].xres = m[i][0];
- modes[k].yres = m[i][1];
- modes[k].bpp = b[j];
- modes[k].mode = 0x4000;
- modes[k].scanlen = m[i][0] * ((b[j] + 7) / 8);
- modes[k].sel = -1;
- modes[k].gran = -1;
- }
- }
- modes[k].xres = -1;
- modes[k].yres = -1;
- modes[k].bpp = -1;
- modes[k].mode = 0xffff;
- modes[k].scanlen = -1;
- modes[k].sel = -1;
- modes[k].gran = -1;
- }
- }
-
- return modes;
-}
-
-
-/* Desc: Frees all resources allocated by NUL init code.
- *
- * In : -
- * Out : -
- *
- * Note: -
- */
-static void
-null_fini (void)
-{
- if (modes != NULL) {
- free(modes);
- modes = NULL;
- }
-}
-
-
-/* Desc: Attempts to enter specified video mode.
- *
- * In : ptr to mode structure, refresh rate
- * Out : 0 if success
- *
- * Note: -
- */
-static int
-null_entermode (vl_mode *p, int refresh, int fbbits)
-{
- NUL.blit = null_blit_nop;
-
- return 0;
-
- (void)(p && refresh && fbbits); /* silence compiler warning */
-}
-
-
-/* Desc: Restores to the mode prior to first call to null_entermode.
- *
- * In : -
- * Out : -
- *
- * Note: -
- */
-static void
-null_restore (void)
-{
-}
-
-
-/* Desc: set one palette entry
- *
- * In : color index, R, G, B
- * Out : -
- *
- * Note: uses integer values
- */
-static void
-null_setCI_i (int index, int red, int green, int blue)
-{
- (void)(index && red && green && blue); /* silence compiler warning */
-}
-
-
-/* Desc: set one palette entry
- *
- * In : color index, R, G, B
- * Out : -
- *
- * Note: uses normalized values
- */
-static void
-null_setCI_f (int index, float red, float green, float blue)
-{
- float max = (1 << null_color_precision) - 1;
-
- null_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max));
-}
-
-
-/* Desc: state retrieval
- *
- * In : parameter name, ptr to storage
- * Out : 0 if request successfully processed
- *
- * Note: -
- */
-static int
-null_get (int pname, int *params)
-{
- switch (pname) {
- default:
- params[0] = params[0]; /* silence compiler warning */
- return -1;
- }
- return 0;
-}
-
-
-/*
- * the driver
- */
-vl_driver NUL = {
- null_init,
- null_entermode,
- NULL,
- null_setCI_f,
- null_setCI_i,
- null_get,
- null_restore,
- null_fini
-};
+++ /dev/null
-/*
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@yahoo.com
- * Web : http://www.geocities.com/dborca
- */
-
-
-#ifndef NULL_H_included
-#define NULL_H_included
-
-#include "internal.h"
-
-extern vl_driver NUL;
-
-#endif
+++ /dev/null
-/*
- * Mesa 3-D graphics library
- * Version: 4.1
- *
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@users.sourceforge.net
- * Web : http://www.geocities.com/dborca
- */
-
-
-#include <dpmi.h>
-#include <pc.h>
-#include <stdlib.h>
-#include <stubinfo.h>
-#include <sys/exceptn.h>
-#include <sys/segments.h>
-#include <sys/farptr.h>
-#include <sys/movedata.h>
-
-#include "video.h"
-#include "vesa.h"
-
-
-static vl_mode modes[128];
-
-static word16 vesa_ver;
-static int banked_selector, linear_selector;
-static int oldmode = -1;
-
-static int vesa_color_precision = 6;
-
-static word16 *vesa_pmcode;
-unsigned int vesa_gran_mask, vesa_gran_shift;
-
-
-/*
- * VESA info
- */
-#define V_SIGN 0
-#define V_MINOR 4
-#define V_MAJOR 5
-#define V_OEM_OFS 6
-#define V_OEM_SEG 8
-#define V_MODE_OFS 14
-#define V_MODE_SEG 16
-#define V_MEMORY 18
-
-/*
- * mode info
- */
-#define M_ATTR 0
-#define M_GRAN 4
-#define M_SCANLEN 16
-#define M_XRES 18
-#define M_YRES 20
-#define M_BPP 25
-#define M_RED 31
-#define M_GREEN 33
-#define M_BLUE 35
-#define M_PHYS_PTR 40
-
-/*
- * VESA 3.0 CRTC timings structure
- */
-typedef struct CRTCInfoBlock {
- unsigned short HorizontalTotal;
- unsigned short HorizontalSyncStart;
- unsigned short HorizontalSyncEnd;
- unsigned short VerticalTotal;
- unsigned short VerticalSyncStart;
- unsigned short VerticalSyncEnd;
- unsigned char Flags;
- unsigned long PixelClock; /* units of Hz */
- unsigned short RefreshRate; /* units of 0.01 Hz */
- unsigned char reserved[40];
-} __PACKED__ CRTCInfoBlock;
-
-#define HNEG (1 << 2)
-#define VNEG (1 << 3)
-#define DOUBLESCAN (1 << 0)
-
-
-/* Desc: Attempts to detect VESA, check video modes and create selectors.
- *
- * In : -
- * Out : mode array
- *
- * Note: -
- */
-static vl_mode *
-vesa_init (void)
-{
- __dpmi_regs r;
- word16 *p;
- vl_mode *q;
- char vesa_info[512], tmp[512];
- int maxsize = 0;
- word32 linearfb = 0;
-
- if (vesa_ver) {
- return modes;
- }
-
- _farpokel(_stubinfo->ds_selector, 0, 0x32454256);
- r.x.ax = 0x4f00;
- r.x.di = 0;
- r.x.es = _stubinfo->ds_segment;
- __dpmi_int(0x10, &r);
- movedata(_stubinfo->ds_selector, 0, _my_ds(), (unsigned)vesa_info, 512);
- if ((r.x.ax != 0x004f) || ((_32_ vesa_info[V_SIGN]) != 0x41534556)) {
- return NULL;
- }
-
- p = (word16 *)(((_16_ vesa_info[V_MODE_SEG]) << 4) + (_16_ vesa_info[V_MODE_OFS]));
- q = modes;
- do {
- if ((q->mode = _farpeekw(__djgpp_dos_sel, (unsigned long)(p++))) == 0xffff) {
- break;
- }
-
- r.x.ax = 0x4f01;
- r.x.cx = q->mode;
- r.x.di = 512;
- r.x.es = _stubinfo->ds_segment;
- __dpmi_int(0x10, &r);
- movedata(_stubinfo->ds_selector, 512, _my_ds(), (unsigned)tmp, 256);
- switch (tmp[M_BPP]) {
- case 16:
- q->bpp = tmp[M_RED] + tmp[M_GREEN] + tmp[M_BLUE];
- break;
- case 8:
- case 15:
- case 24:
- case 32:
- q->bpp = tmp[M_BPP];
- break;
- default:
- q->bpp = 0;
- }
- if ((r.x.ax == 0x004f) && ((tmp[M_ATTR] & 0x11) == 0x11) && q->bpp) {
- q->xres = _16_ tmp[M_XRES];
- q->yres = _16_ tmp[M_YRES];
- q->scanlen = _16_ tmp[M_SCANLEN];
- q->gran = (_16_ tmp[M_GRAN]) << 10;
- if (tmp[M_ATTR] & 0x80) {
- vl_mode *q1 = q + 1;
- *q1 = *q++;
- linearfb = _32_ tmp[M_PHYS_PTR];
- q->mode |= 0x4000;
- }
- if (maxsize < (q->scanlen * q->yres)) {
- maxsize = q->scanlen * q->yres;
- }
- q++;
- }
- } while (TRUE);
-
- if (q == modes) {
- return NULL;
- }
- if (_create_selector(&banked_selector, 0xa0000, modes[0].gran)) {
- return NULL;
- }
- if (linearfb) {
- maxsize = ((maxsize + 0xfffUL) & ~0xfffUL);
- if (_create_selector(&linear_selector, linearfb, maxsize)) {
- linear_selector = banked_selector;
- }
- }
-
- for (q = modes; q->mode != 0xffff; q++) {
- q->sel = banked_selector;
- if (q->mode & 0x4000) {
- if (linear_selector != banked_selector) {
- q->sel = linear_selector;
- } else {
- q->mode &= ~0x4000;
- }
- }
- }
-
- if (vesa_info[V_MAJOR] >= 2) {
- r.x.ax = 0x4f0a;
- r.x.bx = 0;
- __dpmi_int(0x10, &r);
- if (r.x.ax == 0x004f) {
- vesa_pmcode = (word16 *)malloc(r.x.cx);
- if (vesa_pmcode != NULL) {
- movedata(__djgpp_dos_sel, (r.x.es << 4) + r.x.di, _my_ds(), (unsigned)vesa_pmcode, r.x.cx);
- if (vesa_pmcode[3]) {
- p = (word16 *)((long)vesa_pmcode + vesa_pmcode[3]);
- while (*p++ != 0xffff) {
- }
- } else {
- p = NULL;
- }
- if (p && (*p != 0xffff)) {
- free(vesa_pmcode);
- vesa_pmcode = NULL;
- } else {
- vesa_swbank = (void *)((long)vesa_pmcode + vesa_pmcode[0]);
- }
- }
- }
- }
-
- vesa_ver = _16_ vesa_info[V_MINOR];
- return modes;
-}
-
-
-/* Desc: Frees all resources allocated by VESA init code.
- *
- * In : -
- * Out : -
- *
- * Note: -
- */
-static void
-vesa_fini (void)
-{
- if (vesa_ver) {
- _remove_selector(&linear_selector);
- _remove_selector(&banked_selector);
- if (vesa_pmcode != NULL) {
- free(vesa_pmcode);
- vesa_pmcode = NULL;
- }
- }
-}
-
-
-/* Desc: Uses VESA 3.0 function 0x4F0B to find the closest pixel clock to the requested value.
- *
- * In : mode, clock
- * Out : desired clock
- *
- * Note: -
- */
-static unsigned long
-_closest_pixclk (int mode_no, unsigned long vclk)
-{
- __dpmi_regs r;
-
- r.x.ax = 0x4F0B;
- r.h.bl = 0;
- r.d.ecx = vclk;
- r.x.dx = mode_no;
- __dpmi_int(0x10, &r);
-
- return (r.x.ax == 0x004f) ? r.d.ecx : 0;
-}
-
-
-/* Desc: Calculates CRTC mode timings.
- *
- * In : crtc block, geometry, adjust
- * Out :
- *
- * Note:
- */
-static void
-_crtc_timing (CRTCInfoBlock *crtc, int xres, int yres, int xadjust, int yadjust)
-{
- int HTotal, VTotal;
- int HDisp, VDisp;
- int HSS, VSS;
- int HSE, VSE;
- int HSWidth, VSWidth;
- int SS, SE;
- int doublescan = FALSE;
-
- if (yres < 400) {
- doublescan = TRUE;
- yres *= 2;
- }
-
- HDisp = xres;
- HTotal = (int)(HDisp * 1.27) & ~0x7;
- HSWidth = (int)((HTotal - HDisp) / 5) & ~0x7;
- HSS = HDisp + 16;
- HSE = HSS + HSWidth;
- VDisp = yres;
- VTotal = VDisp * 1.07;
- VSWidth = (VTotal / 100) + 1;
- VSS = VDisp + ((int)(VTotal - VDisp) / 5) + 1;
- VSE = VSS + VSWidth;
-
- SS = HSS + xadjust;
- SE = HSE + xadjust;
-
- if (xadjust < 0) {
- if (SS < (HDisp + 8)) {
- SS = HDisp + 8;
- SE = SS + HSWidth;
- }
- } else {
- if ((HTotal - 24) < SE) {
- SE = HTotal - 24;
- SS = SE - HSWidth;
- }
- }
-
- HSS = SS;
- HSE = SE;
-
- SS = VSS + yadjust;
- SE = VSE + yadjust;
-
- if (yadjust < 0) {
- if (SS < (VDisp + 3)) {
- SS = VDisp + 3;
- SE = SS + VSWidth;
- }
- } else {
- if ((VTotal - 4) < SE) {
- SE = VTotal - 4;
- SS = SE - VSWidth;
- }
- }
-
- VSS = SS;
- VSE = SE;
-
- crtc->HorizontalTotal = HTotal;
- crtc->HorizontalSyncStart = HSS;
- crtc->HorizontalSyncEnd = HSE;
- crtc->VerticalTotal = VTotal;
- crtc->VerticalSyncStart = VSS;
- crtc->VerticalSyncEnd = VSE;
- crtc->Flags = HNEG | VNEG;
-
- if (doublescan) {
- crtc->Flags |= DOUBLESCAN;
- }
-}
-
-
-/* Desc: Attempts to choose a suitable blitter.
- *
- * In : ptr to mode structure, software framebuffer bits
- * Out : blitter funciton, or NULL
- *
- * Note: -
- */
-static BLTFUNC
-_choose_blitter (vl_mode *p, int fbbits)
-{
- BLTFUNC blitter;
-
- if (p->mode & 0x4000) {
- blitter = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual;
- switch (p->bpp) {
- case 8:
- switch (fbbits) {
- case 8:
- break;
- case 16:
- blitter = vesa_l_dump_16_to_8;
- break;
- case 24:
- blitter = vesa_l_dump_24_to_8;
- break;
- case 32:
- blitter = vesa_l_dump_32_to_8;
- break;
- case 15:
- default:
- return NULL;
- }
- break;
- case 15:
- switch (fbbits) {
- case 16:
- blitter = vesa_l_dump_16_to_15;
- break;
- case 32:
- blitter = vesa_l_dump_32_to_15;
- break;
- case 8:
- case 15:
- case 24:
- default:
- return NULL;
- }
- break;
- case 16:
- switch (fbbits) {
- case 16:
- break;
- case 32:
- blitter = vesa_l_dump_32_to_16;
- break;
- case 8:
- case 15:
- case 24:
- default:
- return NULL;
- }
- break;
- case 24:
- switch (fbbits) {
- case 24:
- break;
- case 32:
- blitter = vesa_l_dump_32_to_24;
- break;
- case 8:
- case 15:
- case 16:
- default:
- return NULL;
- }
- break;
- case 32:
- switch (fbbits) {
- case 24:
- blitter = vesa_l_dump_24_to_32;
- break;
- case 32:
- break;
- case 8:
- case 15:
- case 16:
- default:
- return NULL;
- }
- break;
- }
- } else {
- blitter = vesa_b_dump_virtual;
- switch (p->bpp) {
- case 8:
- switch (fbbits) {
- case 8:
- break;
- case 16:
- blitter = vesa_b_dump_16_to_8;
- break;
- case 24:
- blitter = vesa_b_dump_24_to_8;
- break;
- case 32:
- blitter = vesa_b_dump_32_to_8;
- break;
- case 15:
- default:
- return NULL;
- }
- break;
- case 15:
- switch (fbbits) {
- case 16:
- blitter = vesa_b_dump_16_to_15;
- break;
- case 32:
- blitter = vesa_b_dump_32_to_15;
- break;
- case 8:
- case 15:
- case 24:
- default:
- return NULL;
- }
- break;
- case 16:
- switch (fbbits) {
- case 16:
- break;
- case 32:
- blitter = vesa_b_dump_32_to_16;
- break;
- case 8:
- case 15:
- case 24:
- default:
- return NULL;
- }
- break;
- case 24:
- switch (fbbits) {
- case 24:
- break;
- case 32:
- blitter = vesa_b_dump_32_to_24;
- break;
- case 8:
- case 15:
- case 16:
- default:
- return NULL;
- }
- break;
- case 32:
- switch (fbbits) {
- case 24:
- blitter = vesa_b_dump_24_to_32;
- break;
- case 32:
- break;
- case 8:
- case 15:
- case 16:
- default:
- return NULL;
- }
- break;
- }
- }
-
- return blitter;
-}
-
-
-/* Desc: Attempts to enter specified video mode.
- *
- * In : ptr to mode structure, refresh rate
- * Out : 0 if success
- *
- * Note: -
- */
-static int
-vesa_entermode (vl_mode *p, int refresh, int fbbits)
-{
- __dpmi_regs r;
-
- if (!(p->mode & 0x4000)) {
- { int n; for (vesa_gran_shift = 0, n = p->gran; n; vesa_gran_shift++, n >>= 1); }
- vesa_gran_mask = (1 << (--vesa_gran_shift)) - 1;
- if ((unsigned)p->gran != (vesa_gran_mask + 1)) {
- return !0;
- }
- }
-
- VESA.blit = _choose_blitter(p, fbbits);
- if (VESA.blit == NULL) {
- return !0;
- }
-
- if (oldmode == -1) {
- r.x.ax = 0x4f03;
- __dpmi_int(0x10, &r);
- oldmode = r.x.bx;
- }
-
- r.x.ax = 0x4f02;
- r.x.bx = p->mode;
-
- if (refresh && ((vesa_ver >> 8) >= 3)) {
- /* VESA 3.0 stuff for controlling the refresh rate */
- CRTCInfoBlock crtc;
- unsigned long vclk;
- double f0;
-
- _crtc_timing(&crtc, p->xres, p->yres, 0, 0);
-
- vclk = (double)crtc.HorizontalTotal * crtc.VerticalTotal * refresh;
- vclk = _closest_pixclk(p->mode, vclk);
-
- if (vclk != 0) {
- f0 = (double)vclk / (crtc.HorizontalTotal * crtc.VerticalTotal);
- /*_current_refresh_rate = (int)(f0 + 0.5);*/
-
- crtc.PixelClock = vclk;
- crtc.RefreshRate = refresh * 100;
-
- movedata(_my_ds(), (unsigned)&crtc, _stubinfo->ds_selector, 0, sizeof(crtc));
-
- r.x.di = 0;
- r.x.es = _stubinfo->ds_segment;
- r.x.bx |= 0x0800;
- }
- }
-
- __dpmi_int(0x10, &r);
- if (r.x.ax != 0x004f) {
- return !0;
- }
-
- if (p->bpp == 8) {
- r.x.ax = 0x4f08;
- r.x.bx = 0x0800;
- __dpmi_int(0x10, &r);
- if (r.x.ax == 0x004f) {
- r.x.ax = 0x4f08;
- r.h.bl = 0x01;
- __dpmi_int(0x10, &r);
- vesa_color_precision = r.h.bh;
- }
- }
-
- return 0;
-}
-
-
-/* Desc: Restores to the mode prior to first call to vesa_entermode.
- *
- * In : -
- * Out : -
- *
- * Note: -
- */
-static void
-vesa_restore (void)
-{
- __dpmi_regs r;
-
- if (oldmode != -1) {
- if (oldmode < 0x100) {
- __asm("int $0x10"::"a"(oldmode));
- } else {
- r.x.ax = 0x4f02;
- r.x.bx = oldmode;
- __dpmi_int(0x10, &r);
- }
- oldmode = -1;
- }
-}
-
-
-/* Desc: set one palette entry
- *
- * In : color index, R, G, B
- * Out : -
- *
- * Note: uses integer values
- */
-static void
-vesa_setCI_i (int index, int red, int green, int blue)
-{
-#if 0
- __asm("\n\
- movw $0x1010, %%ax \n\
- movb %1, %%dh \n\
- movb %2, %%ch \n\
- int $0x10 \n\
- "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx");
-#else
- outportb(0x03C8, index);
- outportb(0x03C9, red);
- outportb(0x03C9, green);
- outportb(0x03C9, blue);
-#endif
-}
-
-
-/* Desc: set one palette entry
- *
- * In : color index, R, G, B
- * Out : -
- *
- * Note: uses normalized values
- */
-static void
-vesa_setCI_f (int index, float red, float green, float blue)
-{
- float max = (1 << vesa_color_precision) - 1;
-
- vesa_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max));
-}
-
-
-/* Desc: state retrieval
- *
- * In : parameter name, ptr to storage
- * Out : 0 if request successfully processed
- *
- * Note: -
- */
-static int
-vesa_get (int pname, int *params)
-{
- switch (pname) {
- case VL_GET_CI_PREC:
- params[0] = vesa_color_precision;
- break;
- default:
- return -1;
- }
- return 0;
-}
-
-
-/*
- * the driver
- */
-vl_driver VESA = {
- vesa_init,
- vesa_entermode,
- NULL,
- vesa_setCI_f,
- vesa_setCI_i,
- vesa_get,
- vesa_restore,
- vesa_fini
-};
+++ /dev/null
-/*
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@yahoo.com
- * Web : http://www.geocities.com/dborca
- */
-
-
-#ifndef VESA_H_included
-#define VESA_H_included
-
-#include "internal.h"
-
-extern void *vesa_swbank;
-
-extern void vesa_b_dump_virtual (void);
-extern void vesa_l_dump_virtual (void);
-extern void vesa_l_dump_virtual_mmx (void);
-
-extern void vesa_l_dump_32_to_24 (void);
-extern void vesa_l_dump_32_to_16 (void);
-extern void vesa_l_dump_32_to_15 (void);
-extern void vesa_l_dump_32_to_8 (void);
-extern void vesa_l_dump_24_to_32 (void);
-extern void vesa_l_dump_24_to_8 (void);
-extern void vesa_l_dump_16_to_15 (void);
-extern void vesa_l_dump_16_to_8 (void);
-
-extern void vesa_b_dump_32_to_24 (void);
-extern void vesa_b_dump_32_to_16 (void);
-extern void vesa_b_dump_32_to_15 (void);
-extern void vesa_b_dump_32_to_8 (void);
-extern void vesa_b_dump_24_to_32 (void);
-extern void vesa_b_dump_24_to_8 (void);
-extern void vesa_b_dump_16_to_15 (void);
-extern void vesa_b_dump_16_to_8 (void);
-
-extern vl_driver VESA;
-
-#endif
+++ /dev/null
-/*
- * Mesa 3-D graphics library
- * Version: 4.1
- *
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@users.sourceforge.net
- * Web : http://www.geocities.com/dborca
- */
-
-
-#include <pc.h>
-#include <stdlib.h>
-
-#include "video.h"
-#include "vga.h"
-
-
-static vl_mode modes[] = {
- {
- /* .xres = */ 320,
- /* .yres = */ 200,
- /* .bpp = */ 8,
- /* .mode = */ 0x13 | 0x4000,
- /* .scanlen = */ 320,
- /* .sel = */ -1,
- /* .gran = */ 320*200
- },
- {
- /* .xres = */ -1,
- /* .yres = */ -1,
- /* .bpp = */ -1,
- /* .mode = */ 0xffff,
- /* .scanlen = */ -1,
- /* .sel = */ -1,
- /* .gran = */ -1
- }
-};
-
-static word16 vga_ver;
-static int linear_selector;
-static int oldmode = -1;
-
-#define vga_color_precision 6
-
-
-/* Desc: Attempts to detect VGA, check video modes and create selectors.
- *
- * In : -
- * Out : mode array
- *
- * Note: -
- */
-static vl_mode *
-vga_init (void)
-{
- int rv = 0;
-
- if (vga_ver) {
- return modes;
- }
-
- __asm("\n\
- movw $0x1a00, %%ax \n\
- int $0x10 \n\
- cmpb $0x1a, %%al \n\
- jne 0f \n\
- cmpb $0x07, %%bl \n\
- jb 0f \n\
- andl $0xff, %%ebx \n\
- movl %%ebx, %0 \n\
- 0:":"=g"(rv)::"%eax", "%ebx");
- if (rv == 0) {
- return NULL;
- }
-
- if (_create_selector(&linear_selector, 0xa0000, 0x10000)) {
- return NULL;
- }
-
- modes[0].sel = linear_selector;
-
- vga_ver = rv;
- return modes;
-}
-
-
-/* Desc: Frees all resources allocated by VGA init code.
- *
- * In : -
- * Out : -
- *
- * Note: -
- */
-static void
-vga_fini (void)
-{
- if (vga_ver) {
- _remove_selector(&linear_selector);
- }
-}
-
-
-/* Desc: Attempts to choose a suitable blitter.
- *
- * In : ptr to mode structure, software framebuffer bits
- * Out : blitter funciton, or NULL
- *
- * Note: -
- */
-static BLTFUNC
-_choose_blitter (vl_mode *p, int fbbits)
-{
- BLTFUNC blitter;
-
- switch (fbbits) {
- case 8:
- blitter = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual;
- break;
- case 16:
- blitter = vesa_l_dump_16_to_8;
- break;
- case 24:
- blitter = vesa_l_dump_24_to_8;
- break;
- case 32:
- blitter = vesa_l_dump_32_to_8;
- break;
- default:
- return NULL;
- }
-
- return blitter;
-
- (void)p;
-}
-
-
-/* Desc: Attempts to enter specified video mode.
- *
- * In : ptr to mode structure, refresh rate
- * Out : 0 if success
- *
- * Note: -
- */
-static int
-vga_entermode (vl_mode *p, int refresh, int fbbits)
-{
- if (!(p->mode & 0x4000)) {
- return -1;
- }
-
- VGA.blit = _choose_blitter(p, fbbits);
- if (VGA.blit == NULL) {
- return !0;
- }
-
- if (oldmode == -1) {
- __asm("\n\
- movb $0x0f, %%ah \n\
- int $0x10 \n\
- andl $0xff, %%eax \n\
- movl %%eax, %0 \n\
- ":"=g"(oldmode)::"%eax", "%ebx");
- }
-
- __asm("int $0x10"::"a"(p->mode&0xff));
-
- return 0;
-
- (void)refresh; /* silence compiler warning */
-}
-
-
-/* Desc: Restores to the mode prior to first call to vga_entermode.
- *
- * In : -
- * Out : -
- *
- * Note: -
- */
-static void
-vga_restore (void)
-{
- if (oldmode != -1) {
- __asm("int $0x10"::"a"(oldmode));
- oldmode = -1;
- }
-}
-
-
-/* Desc: set one palette entry
- *
- * In : color index, R, G, B
- * Out : -
- *
- * Note: uses integer values
- */
-static void
-vga_setCI_i (int index, int red, int green, int blue)
-{
-#if 0
- __asm("\n\
- movw $0x1010, %%ax \n\
- movb %1, %%dh \n\
- movb %2, %%ch \n\
- int $0x10 \n\
- "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx");
-#else
- outportb(0x03C8, index);
- outportb(0x03C9, red);
- outportb(0x03C9, green);
- outportb(0x03C9, blue);
-#endif
-}
-
-
-/* Desc: set one palette entry
- *
- * In : color index, R, G, B
- * Out : -
- *
- * Note: uses normalized values
- */
-static void
-vga_setCI_f (int index, float red, float green, float blue)
-{
- float max = (1 << vga_color_precision) - 1;
-
- vga_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max));
-}
-
-
-/* Desc: state retrieval
- *
- * In : parameter name, ptr to storage
- * Out : 0 if request successfully processed
- *
- * Note: -
- */
-static int
-vga_get (int pname, int *params)
-{
- switch (pname) {
- case VL_GET_CI_PREC:
- params[0] = vga_color_precision;
- break;
- default:
- return -1;
- }
- return 0;
-}
-
-
-/*
- * the driver
- */
-vl_driver VGA = {
- vga_init,
- vga_entermode,
- NULL,
- vga_setCI_f,
- vga_setCI_i,
- vga_get,
- vga_restore,
- vga_fini
-};
+++ /dev/null
-/*
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@yahoo.com
- * Web : http://www.geocities.com/dborca
- */
-
-
-#ifndef VGA_H_included
-#define VGA_H_included
-
-#include "internal.h"
-#include "vesa.h"
-
-extern vl_driver VGA;
-
-#endif
+++ /dev/null
-/*
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@users.sourceforge.net
- * Web : http://www.geocities.com/dborca
- *
- * Thanks to CrazyPyro (Neil Funk) for FakeColor
- */
-
-
-#include <stdlib.h>
-
-#include "internal.h"
-#include "vesa.h"
-#include "vga.h"
-#include "null.h"
-#include "video.h"
-
-
-static vl_driver *drv;
-/* based upon mode specific data: valid entire session */
-int vl_video_selector;
-static vl_mode *video_mode;
-static int video_scanlen, video_bypp;
-/* valid until next buffer */
-void *vl_current_draw_buffer, *vl_current_read_buffer;
-int vl_current_stride, vl_current_width, vl_current_height, vl_current_bytes;
-int vl_current_offset, vl_current_delta;
-
-
-void (*vl_flip) (void);
-
-
-/* FakeColor data */
-#define R_CNT 6
-#define G_CNT 6
-#define B_CNT 6
-
-#define R_BIAS 7
-#define G_BIAS 7
-#define B_BIAS 7
-
-static word32 VGAPalette[256];
-word8 array_r[256];
-word8 array_g[256];
-word8 array_b[256];
-word8 tab_16_8[0x10000];
-
-
-/* lookup table for scaling 5 bit colors up to 8 bits */
-static int _rgb_scale_5[32] = {
- 0, 8, 16, 25, 33, 41, 49, 58,
- 66, 74, 82, 90, 99, 107, 115, 123,
- 132, 140, 148, 156, 165, 173, 181, 189,
- 197, 206, 214, 222, 230, 239, 247, 255
-};
-
-/* lookup table for scaling 6 bit colors up to 8 bits */
-static int _rgb_scale_6[64] = {
- 0, 4, 8, 12, 16, 20, 24, 28,
- 32, 36, 40, 45, 49, 53, 57, 61,
- 65, 69, 73, 77, 81, 85, 89, 93,
- 97, 101, 105, 109, 113, 117, 121, 125,
- 130, 134, 138, 142, 146, 150, 154, 158,
- 162, 166, 170, 174, 178, 182, 186, 190,
- 194, 198, 202, 206, 210, 215, 219, 223,
- 227, 231, 235, 239, 243, 247, 251, 255
-};
-
-
-/* Desc: color composition (w/o ALPHA)
- *
- * In : array of integers (R, G, B)
- * Out : color
- *
- * Note: -
- */
-static int
-v_mixrgb8fake (const unsigned char rgb[])
-{
- return array_b[rgb[2]]*G_CNT*R_CNT
- + array_g[rgb[1]]*R_CNT
- + array_r[rgb[0]];
-}
-
-
-/* Desc: color decomposition
- *
- * In : pixel offset, array of integers to hold color components (R, G, B, A)
- * Out : -
- *
- * Note: uses current read buffer
- */
-static void
-v_getrgb8fake6 (unsigned int offset, unsigned char rgb[])
-{
- word32 c = VGAPalette[((word8 *)vl_current_read_buffer)[offset]];
- rgb[0] = _rgb_scale_6[(c >> 16) & 0x3F];
- rgb[1] = _rgb_scale_6[(c >> 8) & 0x3F];
- rgb[2] = _rgb_scale_6[ c & 0x3F];
-}
-static void
-v_getrgb8fake8 (unsigned int offset, unsigned char rgb[])
-{
- word32 c = VGAPalette[((word8 *)vl_current_read_buffer)[offset]];
- rgb[0] = c >> 16;
- rgb[1] = c >> 8;
- rgb[2] = c;
-}
-
-
-/* Desc: create R5G6B5 to FakeColor table lookup
- *
- * In : -
- * Out : -
- *
- * Note: -
- */
-static void
-init_tab_16_8 (void)
-{
- int i;
- for (i = 0; i < 0x10000; i++) {
- unsigned char rgb[3];
- rgb[0] = _rgb_scale_5[(i >> 11) & 0x1F];
- rgb[1] = _rgb_scale_6[(i >> 5) & 0x3F];
- rgb[2] = _rgb_scale_5[ i & 0x1F];
- tab_16_8[i] = v_mixrgb8fake(rgb);
- }
- (void)v_getrgb8fake6;
- (void)v_getrgb8fake8;
-}
-
-
-/* Desc: set one palette entry
- *
- * In : index, R, G, B
- * Out : -
- *
- * Note: color components are in range [0.0 .. 1.0]
- */
-void
-vl_setCI (int index, float red, float green, float blue)
-{
- drv->setCI_f(index, red, green, blue);
-}
-
-
-/* Desc: set one palette entry
- *
- * In : color, R, G, B
- * Out : -
- *
- * Note: -
- */
-static void
-fake_setcolor (int c, int r, int g, int b)
-{
- VGAPalette[c] = 0xff000000 | (r<<16) | (g<<8) | b;
-
- drv->setCI_i(c, r, g, b);
-}
-
-
-/* Desc: build FakeColor palette
- *
- * In : CI precision in bits
- * Out : -
- *
- * Note: -
- */
-static void
-fake_buildpalette (int bits)
-{
- double c_r, c_g, c_b;
- int r, g, b, color = 0;
-
- double max = (1 << bits) - 1;
-
- for (b = 0; b < B_CNT; ++b) {
- for (g = 0; g < G_CNT; ++g) {
- for (r = 0; r < R_CNT; ++r) {
- c_r = 0.5 + (double)r * (max-R_BIAS) / (R_CNT-1.) + R_BIAS;
- c_g = 0.5 + (double)g * (max-G_BIAS) / (G_CNT-1.) + G_BIAS;
- c_b = 0.5 + (double)b * (max-B_BIAS) / (B_CNT-1.) + B_BIAS;
- fake_setcolor(color++, (int)c_r, (int)c_g, (int)c_b);
- }
- }
- }
-
- for (color = 0; color < 256; color++) {
- c_r = (double)color * R_CNT / 256.;
- c_g = (double)color * G_CNT / 256.;
- c_b = (double)color * B_CNT / 256.;
- array_r[color] = (int)c_r;
- array_g[color] = (int)c_g;
- array_b[color] = (int)c_b;
- }
-}
-
-
-/* Desc: initialize hardware
- *
- * In : -
- * Out : list of available modes
- *
- * Note: when returning non-NULL, global variable `drv' is guaranteed to be ok
- */
-static vl_mode *
-v_init_hw (void)
-{
- static vl_mode *q = NULL;
-
- if (q == NULL) {
- /* are we forced to NUL driver? */
- if (getenv("DMESA_NULDRV")) {
- if ((q = NUL.init()) != NULL) {
- drv = &NUL;
- }
- return q;
- }
- /* initialize hardware */
- if ((q = VESA.init()) != NULL) {
- drv = &VESA;
- } else if ((q = VGA.init()) != NULL) {
- drv = &VGA;
- } else {
- drv = NULL;
- }
- }
-
- return q;
-}
-
-
-/* Desc: sync buffer with video hardware
- *
- * In : ptr to old buffer, position, size
- * Out : 0 if success
- *
- * Note: -
- */
-int
-vl_sync_buffer (void **buffer, int x, int y, int width, int height)
-{
- if ((/*XXX*/width & 7) || (x < 0) || (y < 0) || (x+width > video_mode->xres) || (y+height > video_mode->yres)) {
- return -1;
- } else {
- void *newbuf = *buffer;
-
- if ((newbuf == NULL) || (vl_current_width != width) || (vl_current_height != height)) {
- newbuf = realloc(newbuf, width * height * video_bypp);
- }
-
- if (newbuf == NULL) {
- return -2;
- }
-
- vl_current_width = width;
- vl_current_height = height;
- vl_current_stride = vl_current_width * video_bypp;
- vl_current_bytes = vl_current_stride * height;
-
- vl_current_offset = video_scanlen * y + video_bypp * x;
- vl_current_delta = video_scanlen - vl_current_stride;
-
- vl_current_draw_buffer = vl_current_read_buffer = *buffer = newbuf;
- return 0;
- }
-}
-
-
-/* Desc: state retrieval
- *
- * In : name, storage
- * Out : -1 for an error
- *
- * Note: -
- */
-int
-vl_get (int pname, int *params)
-{
- switch (pname) {
- case VL_GET_SCREEN_SIZE:
- params[0] = video_mode->xres;
- params[1] = video_mode->yres;
- break;
- case VL_GET_VIDEO_MODES: {
- int n;
- vl_mode *q;
- if ((q = v_init_hw()) == NULL) {
- return -1;
- }
- /* count available visuals */
- for (n = 0; q->mode != 0xffff; q++) {
- if ((q + 1)->mode == (q->mode | 0x4000)) {
- /* same mode, but linear */
- q++;
- }
- if (params) {
- params[n] = (int)q;
- }
- n++;
- }
- return n;
- }
- default:
- return (drv != NULL) ? drv->get(pname, params) : -1;
- }
- return 0;
-}
-
-
-/* Desc: setup mode
- *
- * In : ptr to mode definition
- * Out : 0 if success
- *
- * Note: -
- */
-static int
-vl_setup_mode (vl_mode *p)
-{
- if (p == NULL) {
- return -1;
- }
-
- switch (p->bpp) {
- case 8:
- break;
- case 15:
- break;
- case 16:
- break;
- case 24:
- break;
- case 32:
- break;
- default:
- return -1;
- }
-
- video_mode = p;
- video_bypp = (p->bpp+7)/8;
- video_scanlen = p->scanlen;
- vl_video_selector = p->sel;
-
- return 0;
-}
-
-
-/* Desc: restore to the mode prior to first call to `vl_video_init'.
- *
- * In : -
- * Out : -
- *
- * Note: -
- */
-void
-vl_video_exit (void)
-{
- drv->restore();
- drv->fini();
- video_mode = NULL;
-}
-
-
-/* Desc: enter mode
- *
- * In : xres, yres, bits/pixel, RGB, refresh rate
- * Out : pixel width in bits if success
- *
- * Note: -
- */
-int
-vl_video_init (int width, int height, int bpp, int rgb, int refresh, int fbbits)
-{
- int fake;
- vl_mode *p, *q;
- unsigned int min;
-
- fake = 0;
- if (!rgb) {
- bpp = 8;
- } else if (bpp == 8) {
- fake = 1;
- }
-
- /* initialize hardware */
- if ((q = v_init_hw()) == NULL) {
- return 0;
- }
-
- /* search for a mode that fits our request */
- for (min = -1, p = NULL; q->mode != 0xffff; q++) {
- if ((q->xres >= width) && (q->yres >= height) && (q->bpp == bpp)) {
- if (min >= (unsigned)(q->xres * q->yres)) {
- min = q->xres * q->yres;
- p = q;
- }
- }
- }
-
- /* setup and enter mode */
- if ((vl_setup_mode(p) == 0) && (drv->entermode(p, refresh, fbbits) == 0)) {
- vl_flip = drv->blit;
- if (fake) {
- drv->get(VL_GET_CI_PREC, (int *)(&min));
- fake_buildpalette(min);
- init_tab_16_8();
- }
- return bpp;
- }
-
- /* abort */
- return 0;
-}
+++ /dev/null
-/*
- * 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 for Mesa
- *
- * Author: Daniel Borca
- * Email : dborca@users.sourceforge.net
- * Web : http://www.geocities.com/dborca
- */
-
-
-#ifndef VIDEO_H_included
-#define VIDEO_H_included
-
-typedef int fixed;
-
-#define VL_GET_CARD_NAME 0x0100
-#define VL_GET_VRAM 0x0101
-#define VL_GET_CI_PREC 0x0200
-#define VL_GET_HPIXELS 0x0201
-#define VL_GET_SCREEN_SIZE 0x0202
-#define VL_GET_VIDEO_MODES 0x0300
-
-extern void (*vl_flip) (void);
-
-void vl_setCI (int index, float red, float green, float blue);
-
-int vl_sync_buffer (void **buffer, int x, int y, int width, int height);
-int vl_get (int pname, int *params);
-
-void vl_video_exit (void);
-int vl_video_init (int width, int height, int bpp, int rgb, int refresh, int fbbits);
-
-#endif