# 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 makefile v1.6 for Mesa
+# DOS/DJGPP makefile for Mesa
#
-# Copyright (C) 2002 - Daniel Borca
+# Author: Daniel Borca
# Email : dborca@users.sourceforge.net
# Web : http://www.geocities.com/dborca
# Available options:
#
# Environment variables:
-# GLU=[mesa|sgi] specify GLU directory; can be `sgi' (requires GNU/C++)
-# or `mesa'.
-# default = mesa
# GLIDE path to Glide3 SDK; used with FX.
# default = $(TOP)/glide3
# FX=1 build for 3dfx Glide3. Note that this disables
.PHONY : all libgl libglu libglut clean realclean
-GLU ?= mesa
-
CFLAGS = -Wall -W -pedantic
CFLAGS += -O2 -ffast-math
libgl: lib
$(MAKE) -f Makefile.DJ -C src/mesa
libglu: lib
- $(MAKE) -f Makefile.DJ -C src/glu/$(GLU)
+ $(MAKE) -f Makefile.DJ -C src/glu/sgi
libglut: lib
$(MAKE) -f Makefile.DJ -C src/glut/dos
- Mesa 6.3 DOS/DJGPP Port v1.7
+ Mesa 6.5 DOS/DJGPP Port v1.8
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~
Well, guess what... this is the DOS port of Mesa 6.3, for DJGPP fans... Whoa!
-The driver has its origins in ddsample.c, written by Brian Paul and found by me
-in Mesa 3.4.2.
+The driver uses OSMesa to draw off screen, and then blits the buffer.
Environment variables:
CPU optimize for the given processor.
default = pentium
- GLU=[mesa|sgi] specify GLU directory; can be `sgi' (requires GNU/C++)
- or `mesa'.
- default = mesa
GLIDE path to Glide3 SDK; used with FX.
default = $(TOP)/glide3
FX=1 build for 3dfx Glide3. Note that this disables
Tested on:
- CPU: AMD Athlon XP 1800+
- Mainboard: GA-7VTXE w/ 512 MB DDRAM
- Video card: Voodoo5 6000 AGP w/ 128 MB SDRAM
- DJGPP: djdev 2.04 + gcc v3.4.3 + make v3.80
- OS: DOS and Win98SE
+ Video card: Radeon 9500
+ DJGPP: djdev 2.04 + gcc v4.1.0 + make v3.80
+ OS: DOS, Win98SE, WinXP (using Videoport driver)
Q) DMesa is so SLOOOW! The Win32 OpenGL performs so much better...
A) Is that a question? If you have a 3dfx Voodoo (any model), you're
lucky (check http://sourceforge.net/projects/glide for the DJGPP port).
- If you haven't, sorry; everything is done in software. Suggestions?
+ If you haven't, sorry; everything is done in software.
Q) I tried to set refresh rate w/ DMesa, but without success.
A) Refresh rate control works only for VESA 3.0 and the 3dfx driver (in
Q) I made a simple application and it does nothing. It exits right away. Not
even a blank screen.
- A) Pure software drivers (VESA/VGA/NUL) support only double-buffered modes.
+ A) Software drivers (VESA/VGA/NUL) must to be constructed as single-buffered
+ visuals. However, DMesaSwapBuffers must be called to get any output.
A) Another weird "feature" is that buffer width must be multiple of 8 (I'm a
lazy programmer and I found that the easiest way to keep buffer handling
at peak performance ;-).
* no more GLX sources in DOS GLUT
* made GLUT timer callbacks less accurate but safer
+v1.8 (apr-2006)
+ * killed lots of code, the driver is now a front-end to OSMesa
+ * fixed problem with WinNT (http://www.volny.cz/martin.sulak/)
+ - removed 3dfx Glide3 support (temporarily?)
+
Contact:
*/
/*
- * DOS/DJGPP device driver v1.7 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Daniel Borca
+ * Author: Daniel Borca
* Email : dborca@users.sourceforge.net
* Web : http://www.geocities.com/dborca
*/
#define DMESA_H_included
#define DMESA_MAJOR_VERSION 6
-#define DMESA_MINOR_VERSION 3
+#define DMESA_MINOR_VERSION 5
/* Sample Usage:
*
/*
* DMesa functions
*/
-typedef void (*DMesaProc) (void);
+typedef void (*DMesaProc) ();
DMesaProc DMesaGetProcAddress (const char *name);
/*
#define DMESA_GET_VIDEO_MODES 0x0300
#define DMESA_GET_BUFFER_ADDR 0x0400
-#define DMESA_DRIVER_SWDB_BIT 0x1 /* software double-buffered */
-#define DMESA_DRIVER_LLWO_BIT 0x2 /* lower-left window origin */
+#define DMESA_DRIVER_DBL_BIT 0x1 /* double-buffered */
+#define DMESA_DRIVER_YUP_BIT 0x2 /* lower-left window origin */
int DMesaGetIntegerv (GLenum pname, GLint *params);
#ifdef __cplusplus
int i;
int m8width = (_glut_default.width + 7) & ~7;
+ if (!(_glut_default.mode & GLUT_DOUBLE)) {
+ return 0;
+ }
+
/* We set the Visual once. This will be our desktop (graphic mode).
* We should do this in the `glutInit' code, but we don't have any idea
* about its geometry. Supposedly, when we are about to create one
*/
if (!visual) {
if ((visual=DMesaCreateVisual(_glut_default.x + m8width, _glut_default.y + _glut_default.height, _glut_visual.bpp, _glut_visual.refresh,
- _glut_default.mode & GLUT_DOUBLE,
+ GLUT_SINGLE,
!(_glut_default.mode & GLUT_INDEX),
(_glut_default.mode & GLUT_ALPHA ) ? _glut_visual.alpha : 0,
(_glut_default.mode & GLUT_DEPTH ) ? _glut_visual.depth : 0,
$(GLIDE_DRIVER_SOURCES)
else
DRIVER_SOURCES += \
+ $(OSMESA_DRIVER_SOURCES) \
drivers/dos/video.c \
- drivers/dos/virtual.S \
drivers/dos/vesa.c \
drivers/dos/blit.S \
drivers/dos/vga.c \
drivers/dos/dpmi.c
endif
-#DRIVER_SOURCES += $(OSMESA_DRIVER_SOURCES)
-
SOURCES = $(CORE_SOURCES) $(X86_SOURCES) $(COMMON_DRIVER_SOURCES) $(DRIVER_SOURCES)
OBJECTS = $(addsuffix .o,$(basename $(SOURCES)))
*/
/*
- * DOS/DJGPP device driver v1.3 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@yahoo.com
* Web : http://www.geocities.com/dborca
*/
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
*/
/*
- * DOS/DJGPP device driver v1.7 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (c) 2003 - Daniel Borca
+ * Author: Daniel Borca
* Email : dborca@users.sourceforge.net
* Web : http://www.geocities.com/dborca
*/
-#include "glheader.h"
#include "context.h"
#include "imports.h"
-#ifndef FX
-#include "bufferobj.h"
-#include "buffers.h"
-#include "extensions.h"
-#include "macros.h"
-#include "matrix.h"
#include "mtypes.h"
-#include "texformat.h"
-#include "teximage.h"
-#include "texstore.h"
-#include "array_cache/acache.h"
-#include "swrast/s_context.h"
-#include "swrast/s_depth.h"
-#include "swrast/s_lines.h"
-#include "swrast/s_triangle.h"
-#include "swrast/swrast.h"
-#include "swrast_setup/swrast_setup.h"
-#include "tnl/tnl.h"
-#include "tnl/t_context.h"
-#include "tnl/t_pipeline.h"
-#include "drivers/common/driverfuncs.h"
+
#include "video.h"
-#else /* FX */
-#include "GL/fxmesa.h"
-#endif /* FX */
+#include "GL/osmesa.h"
#include "GL/dmesa.h"
-#define SWTC 0 /* SW texture compression */
-
-
/*
- * In C++ terms, this class derives from the GLvisual class.
- * Add system-specific fields to it.
+ * 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 {
- GLvisual gl_visual;
- GLboolean sw_alpha; /* use Mesa's alpha buffer? */
- int z_buffer; /* Z=buffer: 0=no, 1=SW, -1=HW */
+ GLenum format; /* OSMesa framebuffer format */
+ GLint depthBits;
+ GLint stencilBits;
+ GLint accumBits;
};
/*
- * In C++ terms, this class derives from the GLframebuffer class.
- * Add system-specific fields to it.
+ * 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 {
- GLframebuffer gl_buffer; /* The depth, stencil, accum, etc buffers */
- void *the_window; /* your window handle, etc */
-
- int xpos, ypos; /* position */
- int width, height; /* size in pixels */
+ int xpos, ypos; /* position */
+ int width, height; /* size in pixels */
+ GLenum type;
+ void *the_window; /* your window handle, etc */
};
/*
- * In C++ terms, this class derives from the GLcontext class.
- * Add system-specific fields to it.
+ * 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 {
- GLcontext gl_ctx; /* the core library context */
- DMesaVisual visual;
- DMesaBuffer buffer;
- GLuint ClearColor;
- GLuint ClearIndex;
- /* etc... */
+ OSMesaContext osmesa;
+ DMesaBuffer buffer;
};
-/*
- * SPAN FUNCTIONS
- * XXX: These need to be updated to take the new gl_renderbuffer parameter
- * introduced in Mesa 6.3. That parameter will indicate whether the front
- * or back color buffer is to be read/written.
- */
-
-#ifndef FX
-/****************************************************************************
- * Read/Write pixels
- ***************************************************************************/
-#define FLIP(y) (dmesa->buffer->height - (y) - 1)
-#define FLIP2(y) (_b_ - (y))
-
-#define DSTRIDE dmesa->buffer->width
-
-/****************************************************************************
- * RGB[A]
- ***************************************************************************/
-static void
-write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
- const GLubyte rgba[][4], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, offset;
-
- offset = DSTRIDE * FLIP(y) + x;
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++, offset++) {
- if (mask[i]) {
- vl_putpixel(offset, vl_mixrgba(rgba[i]));
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++, offset++) {
- vl_putpixel(offset, vl_mixrgba(rgba[i]));
- }
- }
-}
-
-
-static void
-write_rgb_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
- const GLubyte rgb[][3], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, offset;
-
- offset = DSTRIDE * FLIP(y) + x;
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++, offset++) {
- if (mask[i]) {
- vl_putpixel(offset, vl_mixrgb(rgb[i]));
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++, offset++) {
- vl_putpixel(offset, vl_mixrgb(rgb[i]));
- }
- }
-}
-
-
-static void
-write_mono_rgba_span (const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLchan color[4], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, offset, rgba = vl_mixrgba(color);
-
- offset = DSTRIDE * FLIP(y) + x;
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++, offset++) {
- if (mask[i]) {
- vl_putpixel(offset, rgba);
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++, offset++) {
- vl_putpixel(offset, rgba);
- }
- }
-}
-
-
-static void
-read_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
- GLubyte rgba[][4])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, offset;
-
- offset = DSTRIDE * FLIP(y) + x;
- /* read all pixels */
- for (i = 0; i < n; i++, offset++) {
- vl_getrgba(offset, rgba[i]);
- }
-}
-
-
-static void
-write_rgba_pixels (const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLubyte rgba[][4], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1;
-
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++) {
- if (mask[i]) {
- vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i]));
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++) {
- vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i]));
- }
- }
-}
-
-
-static void
-write_mono_rgba_pixels (const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLchan color[4], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1, rgba = vl_mixrgba(color);
-
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++) {
- if (mask[i]) {
- vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba);
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++) {
- vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba);
- }
- }
-}
-
-
-static void
-read_rgba_pixels (const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLubyte rgba[][4], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1;
-
- if (mask) {
- /* read some pixels */
- for (i = 0; i < n; i++) {
- if (mask[i]) {
- vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]);
- }
- }
- } else {
- /* read all pixels */
- for (i = 0; i < n; i++) {
- vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]);
- }
- }
-}
-
-
-/****************************************************************************
- * Index
- ***************************************************************************/
-static void
-write_index_span (const GLcontext *ctx, struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- const GLuint index[], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, offset;
-
- offset = DSTRIDE * FLIP(y) + x;
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++, offset++) {
- if (mask[i]) {
- vl_putpixel(offset, index[i]);
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++, offset++) {
- vl_putpixel(offset, index[i]);
- }
- }
-}
-
-
-static void
-write_index8_span (const GLcontext *ctx, struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- const GLubyte index[], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, offset;
-
- offset = DSTRIDE * FLIP(y) + x;
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++, offset++) {
- if (mask[i]) {
- vl_putpixel(offset, index[i]);
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++, offset++) {
- vl_putpixel(offset, index[i]);
- }
- }
-}
-
-
-static void
-write_mono_index_span (const GLcontext *ctx, struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- GLuint colorIndex, const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, offset;
-
- offset = DSTRIDE * FLIP(y) + x;
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++, offset++) {
- if (mask[i]) {
- vl_putpixel(offset, colorIndex);
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++, offset++) {
- vl_putpixel(offset, colorIndex);
- }
- }
-}
-
-
-static void
-read_index_span (const GLcontext *ctx, struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y, GLuint index[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, offset;
-
- offset = DSTRIDE * FLIP(y) + x;
- /* read all pixels */
- for (i = 0; i < n; i++, offset++) {
- index[i] = vl_getpixel(offset);
- }
-}
-
-
-static void
-write_index_pixels (const GLcontext *ctx, struct gl_renderbuffer *rb,
- GLuint n, const GLint x[], const GLint y[],
- const GLuint index[], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1;
-
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++) {
- if (mask[i]) {
- vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]);
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++) {
- vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]);
- }
- }
-}
-
-
-static void
-write_mono_index_pixels (const GLcontext *ctx, struct gl_renderbuffer *rb,
- GLuint n, const GLint x[], const GLint y[],
- GLuint colorIndex, const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1;
-
- if (mask) {
- /* draw some pixels */
- for (i = 0; i < n; i++) {
- if (mask[i]) {
- vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex);
- }
- }
- } else {
- /* draw all pixels */
- for (i = 0; i < n; i++) {
- vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex);
- }
- }
-}
-
-
-static void
-read_index_pixels (const GLcontext *ctx, struct gl_renderbuffer *rb,
- GLuint n, const GLint x[], const GLint y[],
- GLuint index[], const GLubyte mask[])
-{
- const DMesaContext dmesa = (DMesaContext)ctx;
- GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1;
-
- if (mask) {
- /* read some pixels */
- for (i = 0; i < n; i++) {
- if (mask[i]) {
- index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]);
- }
- }
- } else {
- /* read all pixels */
- for (i = 0; i < n; i++) {
- index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]);
- }
- }
-}
-
-
-/****************************************************************************
- * Z-buffer
- ***************************************************************************/
-
-
-/****************************************************************************
- * Optimized triangle rendering
- ***************************************************************************/
-
-/*
- * NON-depth-buffered flat triangle.
- */
-#define NAME tri_rgb_flat
-
-#define SETUP_CODE \
- const DMesaContext dmesa = (DMesaContext)ctx;\
- GLuint _b_ = dmesa->buffer->height - 1; \
- GLuint _w_ = dmesa->buffer->width; \
- GLuint rgb = vl_mixrgb(v2->color);
-
-#define RENDER_SPAN(span) \
- GLuint i, offset = FLIP2(span.y)*_w_ + span.x;\
- for (i = 0; i < span.end; i++, offset++) { \
- vl_putpixel(offset, rgb); \
- }
-
-#include "swrast/s_tritemp.h"
-
-
-/*
- * Z-less flat triangle.
- */
-#define NAME tri_rgb_flat_zless
-
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-
-#define SETUP_CODE \
- const DMesaContext dmesa = (DMesaContext)ctx; \
- GLuint _b_ = dmesa->buffer->height - 1; \
- GLuint _w_ = dmesa->buffer->width; \
- GLuint rgb = vl_mixrgb(v2->color);
-
-#define RENDER_SPAN(span) \
- GLuint i, offset = FLIP2(span.y)*_w_ + span.x;\
- for (i = 0; i < span.end; i++, offset++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z);\
- if (z < zRow[i]) { \
- vl_putpixel(offset, rgb); \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-
-#include "swrast/s_tritemp.h"
-
-
-/*
- * NON-depth-buffered iterated triangle.
- */
-#define NAME tri_rgb_iter
-
-#define INTERP_RGB 1
-
-#define SETUP_CODE \
- const DMesaContext dmesa = (DMesaContext)ctx;\
- GLuint _b_ = dmesa->buffer->height - 1; \
- GLuint _w_ = dmesa->buffer->width;
-
-#define RENDER_SPAN(span) \
- GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \
- for (i = 0; i < span.end; i++, offset++) { \
- vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue)); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-
-#include "swrast/s_tritemp.h"
-
-
-/*
- * Z-less iterated triangle.
- */
-#define NAME tri_rgb_iter_zless
-
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-
-#define SETUP_CODE \
- const DMesaContext dmesa = (DMesaContext)ctx;\
- GLuint _b_ = dmesa->buffer->height - 1; \
- GLuint _w_ = dmesa->buffer->width;
-
-#define RENDER_SPAN(span) \
- GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \
- for (i = 0; i < span.end; i++, offset++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue));\
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-
-#include "swrast/s_tritemp.h"
-
-
-/*
- * Analyze context state to see if we can provide a fast triangle function
- * Otherwise, return NULL.
- */
-static swrast_tri_func
-dmesa_choose_tri_function (GLcontext *ctx)
-{
- const SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- if ((ctx->RenderMode != GL_RENDER)
- || (ctx->Polygon.SmoothFlag)
- || (ctx->Polygon.StippleFlag)
- || (ctx->Texture._EnabledUnits)
- || (swrast->_RasterMask & MULTI_DRAW_BIT)
- || (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)) {
- return (swrast_tri_func)NULL;
- }
-
- if (swrast->_RasterMask==DEPTH_BIT
- && ctx->Depth.Func==GL_LESS
- && ctx->Depth.Mask==GL_TRUE
- && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) {
- return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter_zless : tri_rgb_flat_zless;
- }
-
- if (swrast->_RasterMask==0) { /* no depth test */
- return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter : tri_rgb_flat;
- }
-
- return (swrast_tri_func)NULL;
-}
-
-
-/* Override for the swrast triangle-selection function. Try to use one
- * of our internal triangle functions, otherwise fall back to the
- * standard swrast functions.
- */
-static void
-dmesa_choose_tri (GLcontext *ctx)
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- if (!(swrast->Triangle=dmesa_choose_tri_function(ctx))) {
- _swrast_choose_triangle(ctx);
- }
-}
-
-
-/****************************************************************************
- * Optimized line rendering
- ***************************************************************************/
-
-/*
- * NON-depth-buffered flat line.
- */
-#define NAME line_rgb_flat
-
-#define INTERP_XY 1
-#define CLIP_HACK 1
-
-#define SETUP_CODE \
- const DMesaContext dmesa = (DMesaContext)ctx;\
- GLuint _b_ = dmesa->buffer->height - 1; \
- GLuint _w_ = dmesa->buffer->width; \
- GLuint rgb = vl_mixrgb(vert1->color);
-
-#define PLOT(X,Y) vl_putpixel(FLIP2(Y) * _w_ + X, rgb);
-
-#include "swrast/s_linetemp.h"
-
-
-/*
- * Z-less flat line.
- */
-#define NAME line_rgb_flat_zless
-
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define CLIP_HACK 1
-
-#define SETUP_CODE \
- const DMesaContext dmesa = (DMesaContext)ctx;\
- GLuint _b_ = dmesa->buffer->height - 1; \
- GLuint _w_ = dmesa->buffer->width; \
- GLuint rgb = vl_mixrgb(vert1->color);
-
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- vl_putpixel(FLIP2(Y) * _w_ + X, rgb); \
- }
-
-#include "swrast/s_linetemp.h"
-
-
-/*
- * NON-depth-buffered iterated line.
- */
-#define line_rgb_iter NULL
-
-
-/*
- * Z-less iterated line.
- */
-#define line_rgb_iter_zless NULL
-
-
-/*
- * Analyze context state to see if we can provide a fast line function
- * Otherwise, return NULL.
- */
-static swrast_line_func
-dmesa_choose_line_function (GLcontext *ctx)
-{
- const SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- if ((ctx->RenderMode != GL_RENDER)
- || (ctx->Line.SmoothFlag)
- || (ctx->Texture._EnabledUnits)
- || (ctx->Line.StippleFlag)
- || (swrast->_RasterMask & MULTI_DRAW_BIT)
- || (ctx->Line.Width!=1.0F)) {
- return (swrast_line_func)NULL;
- }
-
- if (swrast->_RasterMask==DEPTH_BIT
- && ctx->Depth.Func==GL_LESS
- && ctx->Depth.Mask==GL_TRUE
- && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) {
- return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter_zless : line_rgb_flat_zless;
- }
-
- if (swrast->_RasterMask==0) { /* no depth test */
- return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter : line_rgb_flat;
- }
-
- return (swrast_line_func)NULL;
-}
-
-
-/* Override for the swrast line-selection function. Try to use one
- * of our internal line functions, otherwise fall back to the
- * standard swrast functions.
- */
-static void
-dmesa_choose_line (GLcontext *ctx)
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- if (!(swrast->Line=dmesa_choose_line_function(ctx))) {
- _swrast_choose_line(ctx);
- }
-}
-
-
-/****************************************************************************
- * Miscellaneous device driver funcs
- ***************************************************************************/
-static const struct gl_texture_format *
-choose_tex_format (GLcontext *ctx, GLint internalFormat,
- GLenum format, GLenum type)
-{
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_ARB:
- return &_mesa_texformat_rgb;
- case GL_COMPRESSED_RGBA_ARB:
- return &_mesa_texformat_rgba;
- default:
- return _mesa_choose_tex_format(ctx, internalFormat, format, type);
- }
-}
-
-
-static void
-clear_index (GLcontext *ctx, GLuint index)
-{
- ((DMesaContext)ctx)->ClearIndex = index;
-}
-
-
-static void
-clear_color (GLcontext *ctx, const GLfloat color[4])
-{
- GLubyte col[4];
- CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]);
- CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]);
- CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]);
- CLAMPED_FLOAT_TO_UBYTE(col[3], color[3]);
- ((DMesaContext)ctx)->ClearColor = vl_mixrgba(col);
-}
-
-
-static void
-clear (GLcontext *ctx, GLbitfield mask, GLboolean all,
- GLint x, GLint y, GLint width, GLint height)
-{
- const DMesaContext c = (DMesaContext)ctx;
- const GLuint *colorMask = (GLuint *)&ctx->Color.ColorMask;
-
- /*
- * Clear the specified region of the buffers indicated by 'mask'
- * using the clear color or index as specified by one of the two
- * functions above.
- * If all==GL_TRUE, clear whole buffer, else just clear region defined
- * by x,y,width,height
- */
-
- /* we can't handle color or index masking */
- if ((*colorMask == 0xffffffff) && (ctx->Color.IndexMask == 0xffffffff)) {
- if (mask & DD_BACK_LEFT_BIT) {
- int color = ((GLvisual *)(c->visual))->rgbMode ? c->ClearColor : c->ClearIndex;
-
- if (all) {
- vl_clear(color);
- } else {
- vl_rect(x, c->buffer->height - y - height, width, height, color);
- }
-
- mask &= ~DD_BACK_LEFT_BIT;
- }
- }
-
- if (mask) {
- _swrast_Clear(ctx, mask, all, x, y, width, height);
- }
-}
-
-
-/*
- * Return the width and height of the current buffer.
- * If anything special has to been done when the buffer/window is
- * resized, do it now.
- */
-static void
-get_buffer_size (GLframebuffer *buffer, GLuint *width, GLuint *height)
-{
- DMesaBuffer b = (DMesaBuffer)buffer;
-
- *width = b->width;
- *height = b->height;
-}
-
-
-static void
-viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
-{
- /* poll for window size change and realloc software Z/stencil/etc if needed */
- _mesa_ResizeBuffersMESA();
-}
-
-
-static const GLubyte *
-get_string (GLcontext *ctx, GLenum name)
-{
- switch (name) {
- case GL_RENDERER:
- return (const GLubyte *)"Mesa DJGPP";
- default:
- return NULL;
- }
-}
-
-
-static void
-finish (GLcontext *ctx)
-{
- /*
- * XXX todo - OPTIONAL FUNCTION: implements glFinish if possible
- */
-}
-
-
-static void
-flush (GLcontext *ctx)
-{
- /*
- * XXX todo - OPTIONAL FUNCTION: implements glFlush if possible
- */
-}
-
-
-/****************************************************************************
- * State
- ***************************************************************************/
-#define DMESA_NEW_LINE (_NEW_LINE | \
- _NEW_TEXTURE | \
- _NEW_LIGHT | \
- _NEW_DEPTH | \
- _NEW_RENDERMODE | \
- _SWRAST_NEW_RASTERMASK)
-
-#define DMESA_NEW_TRIANGLE (_NEW_POLYGON | \
- _NEW_TEXTURE | \
- _NEW_LIGHT | \
- _NEW_DEPTH | \
- _NEW_RENDERMODE | \
- _SWRAST_NEW_RASTERMASK)
-
-/* Extend the software rasterizer with our line and triangle
- * functions.
- */
-static void
-dmesa_register_swrast_functions (GLcontext *ctx)
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- swrast->choose_line = dmesa_choose_line;
- swrast->choose_triangle = dmesa_choose_tri;
-
- swrast->InvalidateLineMask |= DMESA_NEW_LINE;
- swrast->InvalidateTriangleMask |= DMESA_NEW_TRIANGLE;
-}
-
-
-static void
-dmesa_update_state (GLcontext *ctx, GLuint new_state)
-{
- /* Propagate statechange information to swrast and swrast_setup
- * modules. The DMesa driver has no internal GL-dependent state.
- */
- _swrast_InvalidateState( ctx, new_state );
- _ac_InvalidateState( ctx, new_state );
- _tnl_InvalidateState( ctx, new_state );
- _swsetup_InvalidateState( ctx, new_state );
-}
-
-
-/* Initialize the device driver function table with the functions
- * we implement in this driver.
- */
-static void
-dmesa_init_driver_functions (DMesaVisual visual,
- struct dd_function_table *driver)
-{
- driver->UpdateState = dmesa_update_state;
- driver->GetString = get_string;
- driver->GetBufferSize = get_buffer_size;
- driver->Viewport = viewport;
- driver->Flush = flush;
- driver->Finish = finish;
- driver->Clear = clear;
- driver->ClearColor = clear_color;
- driver->ClearIndex = clear_index;
-#if SWTC
- driver->ChooseTextureFormat = choose_tex_format;
-#endif
-}
-
-
-/* Setup pointers and other driver state that is constant for the life
- * of a context.
- */
-static void
-dmesa_init_pointers (GLcontext *ctx)
-{
- struct swrast_device_driver *dd = _swrast_GetDeviceDriverReference(ctx);
-
- /* The span functions should be in `dmesa_update_state', but I'm
- * pretty sure they will never change during the life of the Visual
- */
-
- /* Index span/pixel functions */
- dd->WriteCI32Span = write_index_span;
- dd->WriteCI8Span = write_index8_span;
- dd->WriteMonoCISpan = write_mono_index_span;
- dd->WriteCI32Pixels = write_index_pixels;
- dd->WriteMonoCIPixels = write_mono_index_pixels;
- dd->ReadCI32Span = read_index_span;
- dd->ReadCI32Pixels = read_index_pixels;
-
- /* RGB(A) span/pixel functions */
- dd->WriteRGBASpan = write_rgba_span;
- dd->WriteRGBSpan = write_rgb_span;
- dd->WriteMonoRGBASpan = write_mono_rgba_span;
- dd->WriteRGBAPixels = write_rgba_pixels;
- dd->WriteMonoRGBAPixels = write_mono_rgba_pixels;
- dd->ReadRGBASpan = read_rgba_span;
- dd->ReadRGBAPixels = read_rgba_pixels;
-}
-#endif /* FX */
+static DMesaContext ctx;
/****************************************************************************
GLint stencilSize,
GLint accumSize)
{
- DMesaVisual v;
- GLint redBits, greenBits, blueBits, alphaBits, indexBits;
- GLboolean sw_alpha;
-
- alphaBits = 0;
-
- if (!rgbFlag) {
- indexBits = 8;
- redBits = 0;
- greenBits = 0;
- blueBits = 0;
- } else {
- indexBits = 0;
- switch (colDepth) {
- case 8:
- redBits = 8;
- greenBits = 8;
- blueBits = 8;
- break;
- case 15:
- alphaBits = 1;
- redBits = 5;
- greenBits = 5;
- blueBits = 5;
- break;
- case 16:
- redBits = 5;
- greenBits = 6;
- blueBits = 5;
- break;
- case 32:
- alphaBits = 8;
- case 24:
- redBits = 8;
- greenBits = 8;
- blueBits = 8;
- break;
- default:
- return NULL;
- }
- }
-
- /* Okay,
- * `alphaBits' is what we can provide
- * `alphaSize' is what app requests
- *
- * Note that alpha buffering is required only if destination alpha is used
- * in alpha blending; alpha blending modes that do not use destination alpha
- * can be used w/o alpha buffer.
- *
- * We will use whatever ALPHA app requests. Later, in `CreateBuffer' we'll
- * instruct Mesa to use its own ALPHA buffer, by passing a non-FALSE value
- * for ALPHA to `_mesa_initialize_framebuffer'.
- *
- * Basically, 32bit modes provide ALPHA storage, but can we rely on this?
- */
- alphaBits = alphaSize;
- sw_alpha = (alphaBits > 0);
-
-#ifndef FX
- if (!dbFlag) {
- return NULL;
- }
- if ((colDepth=vl_video_init(width, height, colDepth, rgbFlag, refresh)) <= 0) {
- return NULL;
- }
-#else /* FX */
- if (!rgbFlag) {
- return NULL;
- } else {
- char *env;
-
- if ((env = getenv("MESA_FX_INFO")) && (env[0] == 'r')) {
- freopen("MESA.LOG", "w", stderr);
- }
-
- if (refresh && (((env = getenv("FX_GLIDE_REFRESH")) == NULL) || !atoi(env))) {
- /* if we are passed non-zero value for refresh, we need to override
- * default refresh rate. However, if FX_GLIDE_REFRESH is already set
- * to 0, we won't override it, because it has a special meaning for
- * DJGPP Glide3x (switch via VESA, using BIOS default refresh).
- */
- char tmp[32];
- sprintf(tmp, "FX_GLIDE_REFRESH=%u", refresh);
- putenv(tmp);
- }
- }
-#endif /* FX */
-
- if ((v=(DMesaVisual)CALLOC_STRUCT(dmesa_visual)) != NULL) {
- /* Create core visual */
- _mesa_initialize_visual((GLvisual *)v,
- rgbFlag, /* rgb */
- dbFlag,
- GL_FALSE, /* stereo */
- redBits,
- greenBits,
- blueBits,
- alphaBits,
- indexBits, /* indexBits */
- depthSize,
- stencilSize,
- accumSize, /* accumRed */
- accumSize, /* accumGreen */
- accumSize, /* accumBlue */
- alphaBits?accumSize:0, /* accumAlpha */
- 1); /* numSamples */
-
-#ifndef FX
- v->sw_alpha = sw_alpha;
- v->z_buffer = (depthSize > 0) ? 1 : 0;
-#endif
- }
-
- return v;
+ 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 v)
+DMesaDestroyVisual (DMesaVisual visual)
{
-#ifndef FX
vl_video_exit();
-#endif
- _mesa_destroy_visual((GLvisual *)v);
+ FREE(visual);
}
GLint xpos, GLint ypos,
GLint width, GLint height)
{
-#ifndef FX
- DMesaBuffer b;
-
- if ((b=(DMesaBuffer)CALLOC_STRUCT(dmesa_buffer)) != NULL) {
- _mesa_initialize_framebuffer((GLframebuffer *)b,
- (GLvisual *)visual,
- visual->z_buffer == 1,
- ((GLvisual *)visual)->stencilBits > 0,
- ((GLvisual *)visual)->accumRedBits > 0,
- visual->sw_alpha);
- b->xpos = xpos;
- b->ypos = ypos;
- b->width = width;
- b->height = height;
- }
-
- return b;
-#else /* FX */
-
- GLvisual *v = (GLvisual *)visual;
- int i = 0, fx_attrib[32];
-
- if (v->doubleBufferMode) fx_attrib[i++] = FXMESA_DOUBLEBUFFER;
- if (v->depthBits > 0) { fx_attrib[i++] = FXMESA_DEPTH_SIZE; fx_attrib[i++] = v->depthBits; }
- if (v->stencilBits > 0) { fx_attrib[i++] = FXMESA_STENCIL_SIZE; fx_attrib[i++] = v->stencilBits; }
- if (v->accumRedBits > 0) { fx_attrib[i++] = FXMESA_ACCUM_SIZE; fx_attrib[i++] = v->accumRedBits; }
- if (v->alphaBits) { fx_attrib[i++] = FXMESA_ALPHA_SIZE; fx_attrib[i++] = v->alphaBits; }
- fx_attrib[i++] = FXMESA_COLORDEPTH;
- fx_attrib[i++] = v->redBits + v->greenBits + v->blueBits;
- fx_attrib[i] = FXMESA_NONE;
-
- return (DMesaBuffer)fxMesaCreateBestContext(-1, width, height, fx_attrib);
-#endif /* FX */
+ 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 b)
+DMesaDestroyBuffer (DMesaBuffer buffer)
{
-#ifndef FX
- if (b->the_window != NULL) {
- free(b->the_window);
- }
- _mesa_destroy_framebuffer((GLframebuffer *)b);
-#else
- fxMesaDestroyContext((fxMesaContext)b);
-#endif
+ FREE(buffer->the_window);
+ FREE(buffer);
}
DMesaContext
DMesaCreateContext (DMesaVisual visual, DMesaContext share)
{
- GLcontext *c;
-#ifndef FX
- TNLcontext *tnl;
- struct dd_function_table functions;
-
- if ((c=(GLcontext *)CALLOC_STRUCT(dmesa_context)) != NULL) {
- /* Initialize device driver function table */
- _mesa_init_driver_functions(&functions);
- /* override with our functions */
- dmesa_init_driver_functions(visual, &functions);
-
- _mesa_initialize_context(c,
- (GLvisual *)visual,
- (GLcontext *)share,
- &functions,
- (void *)c);
-
- _mesa_enable_sw_extensions(c);
- _mesa_enable_1_3_extensions(c);
- _mesa_enable_1_4_extensions(c);
- _mesa_enable_1_5_extensions(c);
- _mesa_enable_2_0_extensions(c);
-#if SWTC
- if (c->Mesa_DXTn) {
- _mesa_enable_extension(c, "GL_EXT_texture_compression_s3tc");
- _mesa_enable_extension(c, "GL_S3_s3tc");
- }
- _mesa_enable_extension(c, "GL_3DFX_texture_compression_FXT1");
-#endif
-
- /* you probably have to do a bunch of other initializations here. */
- ((DMesaContext)c)->visual = visual;
-
- /* Initialize the software rasterizer and helper modules.
- */
- _swrast_CreateContext(c);
- _ac_CreateContext(c);
- _tnl_CreateContext(c);
- _swsetup_CreateContext(c);
- /* tnl setup */
- tnl = TNL_CONTEXT(c);
- tnl->Driver.RunPipeline = _tnl_run_pipeline;
- /* swrast setup */
- if (((GLvisual *)visual)->rgbMode) dmesa_register_swrast_functions(c);
- dmesa_init_pointers(c);
- _swsetup_Wakeup(c);
- }
-
-#else /* FX */
- c = (GLcontext *)0xdeadbeef;
-#endif /* FX */
-
- return (DMesaContext)c;
+ 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 c)
+DMesaDestroyContext (DMesaContext dmesa)
{
-#ifndef FX
- if (c) {
- _swsetup_DestroyContext((GLcontext *)c);
- _swrast_DestroyContext((GLcontext *)c);
- _tnl_DestroyContext((GLcontext *)c);
- _ac_DestroyContext((GLcontext *)c);
- _mesa_destroy_context((GLcontext *)c);
- }
-#endif
+ OSMesaDestroyContext(dmesa->osmesa);
+ FREE(dmesa);
}
GLboolean
DMesaMoveBuffer (GLint xpos, GLint ypos)
{
-#ifndef FX
- GET_CURRENT_CONTEXT(ctx);
- DMesaBuffer b = ((DMesaContext)ctx)->buffer;
+ 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;
- }
-#endif
+ 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;
+ return GL_FALSE;
}
GLboolean
DMesaResizeBuffer (GLint width, GLint height)
{
-#ifndef FX
- GET_CURRENT_CONTEXT(ctx);
- DMesaBuffer b = ((DMesaContext)ctx)->buffer;
+ 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;
- }
-#endif
+ 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;
+ return GL_FALSE;
}
-/*
- * Make the specified context and buffer the current one.
- */
GLboolean
-DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)
+DMesaMakeCurrent (DMesaContext dmesa, DMesaBuffer buffer)
{
-#ifndef FX
- if ((c != NULL) && (b != NULL)) {
- if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, b->width, b->height) != 0) {
- return GL_FALSE;
- }
-
- c->buffer = b;
-
- _mesa_make_current((GLcontext *)c, (GLframebuffer *)b);
- }
- else {
- /* Detach */
- _mesa_make_current(NULL, NULL);
- }
-
-#else
- fxMesaMakeCurrent((fxMesaContext)b);
-#endif
-
- return GL_TRUE;
+ 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 b)
+DMesaSwapBuffers (DMesaBuffer buffer)
{
- /* copy/swap back buffer to front if applicable */
-#ifndef FX
- GET_CURRENT_CONTEXT(ctx);
- _mesa_notifySwapBuffers(ctx);
- vl_flip();
-#else
- fxMesaSwapBuffers();
-#endif
+ /* 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)
{
-#ifndef FX
- vl_setCI(ndx, red, green, blue);
-#endif
+ vl_setCI(ndx, red, green, blue);
}
DMesaContext
DMesaGetCurrentContext (void)
{
- GET_CURRENT_CONTEXT(ctx);
-
-#ifndef FX
-#else
- if (ctx != NULL) {
- ctx = (GLcontext *)0xdeadbeef;
- }
-#endif
-
- return (DMesaContext)ctx;
+ return ctx;
}
DMesaBuffer
DMesaGetCurrentBuffer (void)
{
- const DMesaContext dmesa = DMesaGetCurrentContext();
+ const DMesaContext dmesa = DMesaGetCurrentContext();
- if (dmesa == NULL) {
- return NULL;
- }
+ if (dmesa != NULL) {
+ return dmesa->buffer;
+ }
-#ifndef FX
- return dmesa->buffer;
-#else
- return (DMesaBuffer)fxMesaGetCurrentContext();
-#endif
+ return NULL;
}
int
DMesaGetIntegerv (GLenum pname, GLint *params)
{
- switch (pname) {
- case DMESA_GET_SCREEN_SIZE:
- #ifndef FX
- vl_get(VL_GET_SCREEN_SIZE, params);
- #else
- fxGetScreenGeometry(¶ms[0], ¶ms[1]);
- #endif
- break;
- case DMESA_GET_DRIVER_CAPS:
- #ifndef FX
- params[0] = DMESA_DRIVER_SWDB_BIT;
- #else
- params[0] = DMESA_DRIVER_LLWO_BIT;
- #endif
- break;
- case DMESA_GET_VIDEO_MODES:
- #ifndef FX
- return vl_get(VL_GET_VIDEO_MODES, params);
- #else
- return -1; /* TODO */
- #endif
- case DMESA_GET_BUFFER_ADDR: {
- #ifndef FX
- DMesaContext c = (DMesaContext)DMesaGetCurrentContext();
- if (c != NULL) {
- DMesaBuffer b = c->buffer;
- if (b != NULL) {
- params[0] = (GLint)b->the_window;
- }
- }
- break;
- #else
- return -1;
- #endif
- }
- default:
- return -1;
- }
-
- return 0;
+ 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;
}
-
-
-#if SWTC && (((__DJGPP__ << 8) | __DJGPP_MINOR__) >= 0x204)
-#include <sys/dxe.h>
-
-extern_asm(___dj_assert);
-extern_asm(_free);
-extern_asm(_malloc);
-extern_asm(_memset);
-
-DXE_EXPORT_TABLE_AUTO (___dxe_eta___dxtn)
- DXE_EXPORT_ASM (___dj_assert)
- DXE_EXPORT_ASM (_free)
- DXE_EXPORT_ASM (_malloc)
- DXE_EXPORT_ASM (_memset)
-DXE_EXPORT_END
-#endif
*/
/*
- * DOS/DJGPP device driver v1.5 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@yahoo.com
* Web : http://www.geocities.com/dborca
*/
*/
/*
- * DOS/DJGPP device driver v1.6 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@users.sourceforge.net
* Web : http://www.geocities.com/dborca
*/
#define _16_ *(word16 *)&
#define _32_ *(word32 *)&
+typedef void (*BLTFUNC) (void);
+
/*
* video mode structure
*/
typedef struct {
vl_mode *(*init) (void);
- int (*entermode) (vl_mode *p, int refresh);
+ 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 _can_mmx (void);
-/*
- * asm routines to deal with virtual buffering
- */
-extern void v_clear8 (int color);
-#define v_clear15 v_clear16
-extern void v_clear16 (int color);
-extern void v_clear24 (int color);
-extern void v_clear32 (int color);
-
-extern void v_clear8_mmx (int color);
-#define v_clear15_mmx v_clear16_mmx
-extern void v_clear16_mmx (int color);
-extern void v_clear24_mmx (int color);
-extern void v_clear32_mmx (int color);
-
-extern void v_rect8 (int x, int y, int width, int height, int color);
-#define v_rect15 v_rect16
-extern void v_rect16 (int x, int y, int width, int height, int color);
-extern void v_rect24 (int x, int y, int width, int height, int color);
-extern void v_rect32 (int x, int y, int width, int height, int color);
-
-extern void v_putpixel8 (unsigned int offset, int color);
-#define v_putpixel15 v_putpixel16
-extern void v_putpixel16 (unsigned int offset, int color);
-extern void v_putpixel24 (unsigned int offset, int color);
-extern void v_putpixel32 (unsigned int offset, int color);
-
-
#endif
*/
/*
- * DOS/DJGPP device driver v1.7 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@users.sourceforge.net
* Web : http://www.geocities.com/dborca
*/
* Note: -
*/
static int
-null_entermode (vl_mode *p, int refresh)
+null_entermode (vl_mode *p, int refresh, int fbbits)
{
NUL.blit = null_blit_nop;
return 0;
- (void)(p && refresh); /* silence compiler warning */
+ (void)(p && refresh && fbbits); /* silence compiler warning */
}
*/
/*
- * DOS/DJGPP device driver v1.6 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@yahoo.com
* Web : http://www.geocities.com/dborca
*/
*/
/*
- * DOS/DJGPP device driver v1.6 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@users.sourceforge.net
* Web : http://www.geocities.com/dborca
*/
* 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];
+ 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)
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 (linearfb) {
- maxsize = (maxsize + 0xfffUL) & ~0xfffUL;
- if (_create_selector(&linear_selector, linearfb, maxsize)) {
- return NULL;
- }
- }
- if (_create_selector(&banked_selector, 0xa0000, modes[0].gran)) {
- _remove_selector(&linear_selector);
- return NULL;
- }
-
- for (q = modes; q->mode != 0xffff; q++) {
- q->sel = (q->mode & 0x4000) ? linear_selector : banked_selector;
- }
-
- 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;
+ __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;
}
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;
- }
- }
+ if (vesa_ver) {
+ _remove_selector(&linear_selector);
+ _remove_selector(&banked_selector);
+ if (vesa_pmcode != NULL) {
+ free(vesa_pmcode);
+ vesa_pmcode = NULL;
+ }
+ }
}
static unsigned long
_closest_pixclk (int mode_no, unsigned long vclk)
{
- __dpmi_regs r;
+ __dpmi_regs r;
- r.x.ax = 0x4F0B;
- r.h.bl = 0;
- r.d.ecx = vclk;
- r.x.dx = mode_no;
- __dpmi_int(0x10, &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;
+ return (r.x.ax == 0x004f) ? r.d.ecx : 0;
}
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;
- }
+ 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;
}
* Note: -
*/
static int
-vesa_entermode (vl_mode *p, int refresh)
+vesa_entermode (vl_mode *p, int refresh, int fbbits)
{
- __dpmi_regs r;
-
- if (p->mode & 0x4000) {
- VESA.blit = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual;
- } else {
- VESA.blit = vesa_b_dump_virtual;
- { 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;
- }
- }
-
- 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;
+ __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;
}
static void
vesa_restore (void)
{
- __dpmi_regs r;
-
- if (oldmode != -1) {
- r.x.ax = 0x4f02;
- r.x.bx = oldmode;
- __dpmi_int(0x10, &r);
- oldmode = -1;
- }
+ __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;
+ }
}
vesa_setCI_i (int index, int red, int green, int blue)
{
#if 0
- __asm("\n\
+ __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);
+ outportb(0x03C8, index);
+ outportb(0x03C9, red);
+ outportb(0x03C9, green);
+ outportb(0x03C9, blue);
#endif
}
static void
vesa_setCI_f (int index, float red, float green, float blue)
{
- float max = (1 << vesa_color_precision) - 1;
+ float max = (1 << vesa_color_precision) - 1;
- vesa_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max));
+ vesa_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max));
}
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;
+ 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
+ vesa_init,
+ vesa_entermode,
+ NULL,
+ vesa_setCI_f,
+ vesa_setCI_i,
+ vesa_get,
+ vesa_restore,
+ vesa_fini
};
*/
/*
- * DOS/DJGPP device driver v1.3 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@yahoo.com
* Web : http://www.geocities.com/dborca
*/
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
*/
/*
- * DOS/DJGPP device driver v1.7 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@users.sourceforge.net
* Web : http://www.geocities.com/dborca
*/
}
+/* 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
* Note: -
*/
static int
-vga_entermode (vl_mode *p, int refresh)
+vga_entermode (vl_mode *p, int refresh, int fbbits)
{
- if (!(p->mode & 0x4000)) {
- return -1;
- }
- VGA.blit = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual;
+ if (!(p->mode & 0x4000)) {
+ return -1;
+ }
- if (oldmode == -1) {
- __asm("\n\
+ 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");
- }
+ ":"=g"(oldmode)::"%eax", "%ebx");
+ }
- __asm("int $0x10"::"a"(p->mode&0xff));
+ __asm("int $0x10"::"a"(p->mode&0xff));
- return 0;
+ return 0;
- (void)refresh; /* silence compiler warning */
+ (void)refresh; /* silence compiler warning */
}
*/
/*
- * DOS/DJGPP device driver v1.3 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@yahoo.com
* Web : http://www.geocities.com/dborca
*/
*/
/*
- * DOS/DJGPP device driver v1.6 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@users.sourceforge.net
* Web : http://www.geocities.com/dborca
*
int vl_current_offset, vl_current_delta;
-#if HUGE_LOOKUP
-/* These lookup tables are used to extract RGB values in [0,255]
- * from 15/16-bit pixel values.
- */
-static unsigned char pix15r[0x8000];
-static unsigned char pix15g[0x8000];
-static unsigned char pix15b[0x8000];
-static unsigned char pix16r[0x10000];
-static unsigned char pix16g[0x10000];
-static unsigned char pix16b[0x10000];
-#else
+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,
132, 140, 148, 156, 165, 173, 181, 189,
197, 206, 214, 222, 230, 239, 247, 255
};
-#endif
/* lookup table for scaling 6 bit colors up to 8 bits */
static int _rgb_scale_6[64] = {
227, 231, 235, 239, 243, 247, 251, 255
};
-/* 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];
-static word8 array_r[256];
-static word8 array_g[256];
-static word8 array_b[256];
-
-
-int (*vl_mixfix) (fixed r, fixed g, fixed b);
-int (*vl_mixrgb) (const unsigned char rgb[]);
-int (*vl_mixrgba) (const unsigned char rgba[]);
-void (*vl_getrgba) (unsigned int offset, unsigned char rgba[4]);
-int (*vl_getpixel) (unsigned int offset);
-void (*vl_clear) (int color);
-void (*vl_rect) (int x, int y, int width, int height, int color);
-void (*vl_flip) (void);
-void (*vl_putpixel) (unsigned int offset, int color);
-
-
-/* Desc: color composition (w/o ALPHA)
- *
- * In : R, G, B
- * Out : color
- *
- * Note: -
- */
-static int
-vl_mixfix8fake (fixed r, fixed g, fixed b)
-{
- return array_b[b>>FIXED_SHIFT]*G_CNT*R_CNT
- + array_g[g>>FIXED_SHIFT]*R_CNT
- + array_r[r>>FIXED_SHIFT];
-}
-#define vl_mixfix8 vl_mixfix8fake
-static int
-vl_mixfix15 (fixed r, fixed g, fixed b)
-{
- return ((r>>(3+FIXED_SHIFT))<<10)
- |((g>>(3+FIXED_SHIFT))<<5)
- | (b>>(3+FIXED_SHIFT));
-}
-static int
-vl_mixfix16 (fixed r, fixed g, fixed b)
-{
- return ((r>>(3+FIXED_SHIFT))<<11)
- |((g>>(2+FIXED_SHIFT))<<5)
- | (b>>(3+FIXED_SHIFT));
-}
-#define vl_mixfix24 vl_mixfix32
-static int
-vl_mixfix32 (fixed r, fixed g, fixed b)
-{
- return ((r>>FIXED_SHIFT)<<16)
- |((g>>FIXED_SHIFT)<<8)
- | (b>>FIXED_SHIFT);
-}
-
-
-/* Desc: color composition (w/ ALPHA)
- *
- * In : array of integers (R, G, B, A)
- * Out : color
- *
- * Note: -
- */
-#define vl_mixrgba8 vl_mixrgb8fake
-#define vl_mixrgba15 vl_mixrgb15
-#define vl_mixrgba16 vl_mixrgb16
-#define vl_mixrgba24 vl_mixrgb24
-static int
-vl_mixrgba32 (const unsigned char rgba[])
-{
- /* Hack alert:
- * currently, DMesa uses Mesa's alpha buffer;
- * so we don't really care about alpha value here...
- */
- return /*(rgba[3]<<24) | */(rgba[0]<<16) | (rgba[1]<<8) | (rgba[2]);
-}
-
/* Desc: color composition (w/o ALPHA)
*
* Note: -
*/
static int
-vl_mixrgb8fake (const unsigned char rgb[])
+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]];
}
-#define vl_mixrgb8 vl_mixrgb8fake
-static int
-vl_mixrgb15 (const unsigned char rgb[])
-{
- return ((rgb[0]>>3)<<10) | ((rgb[1]>>3)<<5) | (rgb[2]>>3);
-}
-static int
-vl_mixrgb16 (const unsigned char rgb[])
-{
- return ((rgb[0]>>3)<<11) | ((rgb[1]>>2)<<5) | (rgb[2]>>3);
-}
-#define vl_mixrgb24 vl_mixrgb32
-static int
-vl_mixrgb32 (const unsigned char rgb[])
-{
- return (rgb[0]<<16) | (rgb[1]<<8) | (rgb[2]);
-}
/* Desc: color decomposition
* Note: uses current read buffer
*/
static void
-v_getrgba8fake6 (unsigned int offset, unsigned char rgba[4])
+v_getrgb8fake6 (unsigned int offset, unsigned char rgb[])
{
word32 c = VGAPalette[((word8 *)vl_current_read_buffer)[offset]];
- rgba[0] = _rgb_scale_6[(c >> 16) & 0x3F];
- rgba[1] = _rgb_scale_6[(c >> 8) & 0x3F];
- rgba[2] = _rgb_scale_6[ c & 0x3F];
- /*rgba[3] = c >> 24;*/ /* dummy alpha; we have separate SW alpha, so ignore */
+ 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_getrgba8fake8 (unsigned int offset, unsigned char rgba[4])
+v_getrgb8fake8 (unsigned int offset, unsigned char rgb[])
{
word32 c = VGAPalette[((word8 *)vl_current_read_buffer)[offset]];
- rgba[0] = c >> 16;
- rgba[1] = c >> 8;
- rgba[2] = c;
- /*rgba[3] = c >> 24;*/ /* dummy alpha; we have separate SW alpha, so ignore */
-}
-#define v_getrgba8 v_getrgba8fake6
-static void
-v_getrgba15 (unsigned int offset, unsigned char rgba[4])
-{
- word32 c = ((word16 *)vl_current_read_buffer)[offset];
-#if HUGE_LOOKUP
- c &= 0x7fff;
- rgba[0] = pix15r[c];
- rgba[1] = pix15g[c];
- rgba[2] = pix15b[c];
-#else
- rgba[0] = _rgb_scale_5[(c >> 10) & 0x1F];
- rgba[1] = _rgb_scale_5[(c >> 5) & 0x1F];
- rgba[2] = _rgb_scale_5[ c & 0x1F];
-#endif
- /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */
-}
-static void
-v_getrgba16 (unsigned int offset, unsigned char rgba[4])
-{
- word32 c = ((word16 *)vl_current_read_buffer)[offset];
-#if HUGE_LOOKUP
- rgba[0] = pix16r[c];
- rgba[1] = pix16g[c];
- rgba[2] = pix16b[c];
-#else
- rgba[0] = _rgb_scale_5[(c >> 11) & 0x1F];
- rgba[1] = _rgb_scale_6[(c >> 5) & 0x3F];
- rgba[2] = _rgb_scale_5[ c & 0x1F];
-#endif
- /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */
-}
-static void
-v_getrgba24 (unsigned int offset, unsigned char rgba[4])
-{
- word32 c = *(word32 *)((long)vl_current_read_buffer+offset*3);
- rgba[0] = c >> 16;
- rgba[1] = c >> 8;
- rgba[2] = c;
- /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */
-}
-static void
-v_getrgba32 (unsigned int offset, unsigned char rgba[4])
-{
- word32 c = ((word32 *)vl_current_read_buffer)[offset];
- rgba[0] = c >> 16;
- rgba[1] = c >> 8;
- rgba[2] = c;
- /*rgba[3] = c >> 24;*/ /* dummy alpha; we have separate SW alpha, so ignore */
+ rgb[0] = c >> 16;
+ rgb[1] = c >> 8;
+ rgb[2] = c;
}
-/* Desc: pixel retrieval
+/* Desc: create R5G6B5 to FakeColor table lookup
*
- * In : pixel offset
- * Out : pixel value
+ * In : -
+ * Out : -
*
- * Note: uses current read buffer
+ * Note: -
*/
-static int
-v_getpixel8 (unsigned int offset)
-{
- return ((word8 *)vl_current_read_buffer)[offset];
-}
-#define v_getpixel15 v_getpixel16
-static int
-v_getpixel16 (unsigned int offset)
-{
- return ((word16 *)vl_current_read_buffer)[offset];
-}
-static int
-v_getpixel24 (unsigned int offset)
-{
- return *(word32 *)((long)vl_current_read_buffer+offset*3);
-}
-static int
-v_getpixel32 (unsigned int offset)
+static void
+init_tab_16_8 (void)
{
- return ((word32 *)vl_current_read_buffer)[offset];
+ 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;
}
}
-#if HUGE_LOOKUP
-/* Desc: initialize lookup arrays
- *
- * In : -
- * Out : -
- *
- * Note: -
- */
-void
-v_init_pixeltables (void)
-{
- unsigned int pixel;
-
- for (pixel = 0; pixel <= 0xffff; pixel++) {
- unsigned int r, g, b;
-
- if (pixel <= 0x7fff) {
- /* 15bit */
- r = (pixel & 0x7c00) >> 8;
- g = (pixel & 0x03E0) >> 3;
- b = (pixel & 0x001F) << 2;
-
- r = (unsigned int)(((double)r * 255. / 0x7c) + 0.5);
- g = (unsigned int)(((double)g * 255. / 0x7c) + 0.5);
- b = (unsigned int)(((double)b * 255. / 0x7c) + 0.5);
-
- pix15r[pixel] = r;
- pix15g[pixel] = g;
- pix15b[pixel] = b;
- }
-
- /* 16bit */
- r = (pixel & 0xF800) >> 8;
- g = (pixel & 0x07E0) >> 3;
- b = (pixel & 0x001F) << 3;
-
- r = (unsigned int)(((double)r * 255. / 0xF8) + 0.5);
- g = (unsigned int)(((double)g * 255. / 0xFC) + 0.5);
- b = (unsigned int)(((double)b * 255. / 0xF8) + 0.5);
-
- pix16r[pixel] = r;
- pix16g[pixel] = g;
- pix16b[pixel] = b;
- }
-}
-#endif
-
-
/* Desc: initialize hardware
*
* In : -
int
vl_sync_buffer (void **buffer, int x, int y, int width, int height)
{
- if ((width & 7) || (x < 0) || (y < 0) || (x+width > video_mode->xres) || (y+height > video_mode->yres)) {
+ if ((/*XXX*/width & 7) || (x < 0) || (y < 0) || (x+width > video_mode->xres) || (y+height > video_mode->yres)) {
return -1;
} else {
void *newbuf = *buffer;
return -1;
}
-#define INITPTR(bpp) \
- vl_putpixel = v_putpixel##bpp; \
- vl_getrgba = v_getrgba##bpp; \
- vl_getpixel = v_getpixel##bpp; \
- vl_rect = v_rect##bpp; \
- vl_mixfix = vl_mixfix##bpp; \
- vl_mixrgb = vl_mixrgb##bpp; \
- vl_mixrgba = vl_mixrgba##bpp; \
- vl_clear = _can_mmx() ? v_clear##bpp##_mmx : v_clear##bpp
-
switch (p->bpp) {
case 8:
- INITPTR(8);
break;
case 15:
- INITPTR(15);
break;
case 16:
- INITPTR(16);
break;
case 24:
- INITPTR(24);
break;
case 32:
- INITPTR(32);
break;
default:
return -1;
}
-#undef INITPTR
-
video_mode = p;
video_bypp = (p->bpp+7)/8;
video_scanlen = p->scanlen;
* Note: -
*/
int
-vl_video_init (int width, int height, int bpp, int rgb, int refresh)
+vl_video_init (int width, int height, int bpp, int rgb, int refresh, int fbbits)
{
int fake;
vl_mode *p, *q;
} else if (bpp == 8) {
fake = 1;
}
-#if HUGE_LOOKUP
- else if (bpp < 24) {
- v_init_pixeltables();
- }
-#endif
/* initialize hardware */
if ((q = v_init_hw()) == NULL) {
}
}
- /* setup and enter mode */
- if ((vl_setup_mode(p) == 0) && (drv->entermode(p, refresh) == 0)) {
- vl_flip = drv->blit;
- if (fake) {
- drv->get(VL_GET_CI_PREC, (int *)(&min));
- fake_buildpalette(min);
- if (min == 8) {
- vl_getrgba = v_getrgba8fake8;
- }
- }
- return bpp;
- }
+ /* 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;
*/
/*
- * DOS/DJGPP device driver v1.5 for Mesa
+ * DOS/DJGPP device driver for Mesa
*
- * Copyright (C) 2002 - Borca Daniel
+ * Author: Daniel Borca
* Email : dborca@users.sourceforge.net
* Web : http://www.geocities.com/dborca
*/
#define VL_GET_SCREEN_SIZE 0x0202
#define VL_GET_VIDEO_MODES 0x0300
-extern int (*vl_mixfix) (fixed r, fixed g, fixed b);
-extern int (*vl_mixrgb) (const unsigned char rgb[]);
-extern int (*vl_mixrgba) (const unsigned char rgba[]);
-extern void (*vl_getrgba) (unsigned int offset, unsigned char rgba[4]);
-
-extern void (*vl_clear) (int color);
-extern void (*vl_rect) (int x, int y, int width, int height, int color);
extern void (*vl_flip) (void);
-extern void (*vl_putpixel) (unsigned int offset, int color);
-extern int (*vl_getpixel) (unsigned int offset);
void vl_setCI (int index, float red, float green, float blue);
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 vl_video_init (int width, int height, int bpp, int rgb, int refresh, int fbbits);
#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 v1.3 for Mesa
- *
- * Copyright (C) 2002 - Borca Daniel
- * Email : dborca@yahoo.com
- * 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
projects / mesa.git / commitdiff