diff options
Diffstat (limited to 'src/mesa/drivers/dos/video.c')
| -rw-r--r-- | src/mesa/drivers/dos/video.c | 662 |
1 files changed, 336 insertions, 326 deletions
diff --git a/src/mesa/drivers/dos/video.c b/src/mesa/drivers/dos/video.c index d3774e7c3e4..60370afc8ef 100644 --- a/src/mesa/drivers/dos/video.c +++ b/src/mesa/drivers/dos/video.c @@ -23,7 +23,7 @@ */ /* - * DOS/DJGPP device driver v1.5 for Mesa + * DOS/DJGPP device driver v1.6 for Mesa * * Copyright (C) 2002 - Borca Daniel * Email : [email protected] @@ -42,7 +42,6 @@ #include "video.h" - static vl_driver *drv; /* based upon mode specific data: valid entire session */ int vl_video_selector; @@ -54,7 +53,6 @@ int vl_current_stride, vl_current_width, vl_current_height, vl_current_bytes; 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. @@ -102,7 +100,6 @@ 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[]); @@ -114,7 +111,6 @@ void (*vl_flip) (void); void (*vl_putpixel) (unsigned int offset, int color); - /* Desc: color composition (w/o ALPHA) * * In : R, G, B @@ -122,35 +118,38 @@ void (*vl_putpixel) (unsigned int offset, int color); * * Note: - */ -static int vl_mixfix8fake (fixed r, fixed g, fixed b) +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]; + 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) +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)); + 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) +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)); + 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) +static int +vl_mixfix32 (fixed r, fixed g, fixed b) { - return ((r>>FIXED_SHIFT)<<16) - |((g>>FIXED_SHIFT)<<8) - |(b>>FIXED_SHIFT); + 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) @@ -162,17 +161,17 @@ static int vl_mixfix32 (fixed r, fixed g, fixed b) #define vl_mixrgba15 vl_mixrgb15 #define vl_mixrgba16 vl_mixrgb16 #define vl_mixrgba24 vl_mixrgb24 -static int vl_mixrgba32 (const unsigned char rgba[]) +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]); + /* 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) * * In : array of integers (R, G, B) @@ -180,29 +179,32 @@ static int vl_mixrgba32 (const unsigned char rgba[]) * * Note: - */ -static int vl_mixrgb8fake (const unsigned char rgb[]) +static int +vl_mixrgb8fake (const unsigned char rgb[]) { - return array_b[rgb[2]]*G_CNT*R_CNT - + array_g[rgb[1]]*R_CNT - + array_r[rgb[0]]; + 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[]) +static int +vl_mixrgb15 (const unsigned char rgb[]) { - return ((rgb[0]>>3)<<10)|((rgb[1]>>3)<<5)|(rgb[2]>>3); + return ((rgb[0]>>3)<<10) | ((rgb[1]>>3)<<5) | (rgb[2]>>3); } -static int vl_mixrgb16 (const unsigned char rgb[]) +static int +vl_mixrgb16 (const unsigned char rgb[]) { - return ((rgb[0]>>3)<<11)|((rgb[1]>>2)<<5)|(rgb[2]>>3); + 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[]) +static int +vl_mixrgb32 (const unsigned char rgb[]) { - return (rgb[0]<<16)|(rgb[1]<<8)|(rgb[2]); + return (rgb[0]<<16) | (rgb[1]<<8) | (rgb[2]); } - /* Desc: color decomposition * * In : pixel offset, array of integers to hold color components (R, G, B, A) @@ -210,71 +212,76 @@ static int vl_mixrgb32 (const unsigned char rgb[]) * * Note: uses current read buffer */ -static void v_getrgba8fake6 (unsigned int offset, unsigned char rgba[4]) +static void +v_getrgba8fake6 (unsigned int offset, unsigned char rgba[4]) { - 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 */ + 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 */ } -static void v_getrgba8fake8 (unsigned int offset, unsigned char rgba[4]) +static void +v_getrgba8fake8 (unsigned int offset, unsigned char rgba[4]) { - 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 */ + 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]) +static void +v_getrgba15 (unsigned int offset, unsigned char rgba[4]) { - word32 c = ((word16 *)vl_current_read_buffer)[offset]; + 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]; + 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]; + 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 */ + /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */ } -static void v_getrgba16 (unsigned int offset, unsigned char rgba[4]) +static void +v_getrgba16 (unsigned int offset, unsigned char rgba[4]) { - word32 c = ((word16 *)vl_current_read_buffer)[offset]; + word32 c = ((word16 *)vl_current_read_buffer)[offset]; #if HUGE_LOOKUP - rgba[0] = pix16r[c]; - rgba[1] = pix16g[c]; - rgba[2] = pix16b[c]; + 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]; + 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 */ + /*rgba[3] = 255;*/ /* dummy alpha; we have separate SW alpha, so ignore */ } -static void v_getrgba24 (unsigned int offset, unsigned char rgba[4]) +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 */ + 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]) +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 */ + 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 */ } - /* Desc: pixel retrieval * * In : pixel offset @@ -282,26 +289,29 @@ static void v_getrgba32 (unsigned int offset, unsigned char rgba[4]) * * Note: uses current read buffer */ -static int v_getpixel8 (unsigned int offset) +static int +v_getpixel8 (unsigned int offset) { - return ((word8 *)vl_current_read_buffer)[offset]; + return ((word8 *)vl_current_read_buffer)[offset]; } #define v_getpixel15 v_getpixel16 -static int v_getpixel16 (unsigned int offset) +static int +v_getpixel16 (unsigned int offset) { - return ((word16 *)vl_current_read_buffer)[offset]; + return ((word16 *)vl_current_read_buffer)[offset]; } -static int v_getpixel24 (unsigned int offset) +static int +v_getpixel24 (unsigned int offset) { - return *(word32 *)((long)vl_current_read_buffer+offset*3); + return *(word32 *)((long)vl_current_read_buffer+offset*3); } -static int v_getpixel32 (unsigned int offset) +static int +v_getpixel32 (unsigned int offset) { - return ((word32 *)vl_current_read_buffer)[offset]; + return ((word32 *)vl_current_read_buffer)[offset]; } - /* Desc: set one palette entry * * In : index, R, G, B @@ -309,13 +319,13 @@ static int v_getpixel32 (unsigned int offset) * * Note: color components are in range [0.0 .. 1.0] */ -void vl_setCI (int index, float red, float green, float blue) +void +vl_setCI (int index, float red, float green, float blue) { - drv->setCI_f(index, red, green, blue); + drv->setCI_f(index, red, green, blue); } - /* Desc: set one palette entry * * In : color, R, G, B @@ -323,15 +333,15 @@ void vl_setCI (int index, float red, float green, float blue) * * Note: - */ -static void fake_setcolor (int c, int r, int g, int b) +static void +fake_setcolor (int c, int r, int g, int b) { - VGAPalette[c] = 0xff000000 | (r<<16) | (g<<8) | b; + VGAPalette[c] = 0xff000000 | (r<<16) | (g<<8) | b; - drv->setCI_i(c, r, g, b); + drv->setCI_i(c, r, g, b); } - /* Desc: build FakeColor palette * * In : CI precision in bits @@ -339,36 +349,36 @@ static void fake_setcolor (int c, int r, int g, int b) * * Note: - */ -static void fake_buildpalette (int bits) +static void +fake_buildpalette (int bits) { - double c_r, c_g, c_b; - int r, g, b, color = 0; - - double max = (1 << bits) - 1; - - for (b=0; b<B_CNT; ++b) { - for (g=0; g<G_CNT; ++g) { - for (r=0; r<R_CNT; ++r) { - c_r = 0.5 + (double)r*(max-R_BIAS)/(R_CNT-1.) + R_BIAS; - c_g = 0.5 + (double)g*(max-G_BIAS)/(G_CNT-1.) + G_BIAS; - c_b = 0.5 + (double)b*(max-B_BIAS)/(B_CNT-1.) + B_BIAS; - fake_setcolor(color++, (int)c_r, (int)c_g, (int)c_b); + double c_r, c_g, c_b; + int r, g, b, color = 0; + + double max = (1 << bits) - 1; + + for (b = 0; b < B_CNT; ++b) { + for (g = 0; g < G_CNT; ++g) { + for (r = 0; r < R_CNT; ++r) { + c_r = 0.5 + (double)r * (max-R_BIAS) / (R_CNT-1.) + R_BIAS; + c_g = 0.5 + (double)g * (max-G_BIAS) / (G_CNT-1.) + G_BIAS; + c_b = 0.5 + (double)b * (max-B_BIAS) / (B_CNT-1.) + B_BIAS; + fake_setcolor(color++, (int)c_r, (int)c_g, (int)c_b); } - } - } - - for (color=0; color<256; color++) { - c_r = (double)color*R_CNT/256.; - c_g = (double)color*G_CNT/256.; - c_b = (double)color*B_CNT/256.; - array_r[color] = (int)c_r; - array_g[color] = (int)c_g; - array_b[color] = (int)c_b; - } + } + } + + for (color = 0; color < 256; color++) { + c_r = (double)color * R_CNT / 256.; + c_g = (double)color * G_CNT / 256.; + c_b = (double)color * B_CNT / 256.; + array_r[color] = (int)c_r; + array_g[color] = (int)c_g; + array_b[color] = (int)c_b; + } } - #if HUGE_LOOKUP /* Desc: initialize lookup arrays * @@ -377,46 +387,46 @@ static void fake_buildpalette (int bits) * * Note: - */ -void v_init_pixeltables (void) +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; - } + 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 : - @@ -424,31 +434,31 @@ void v_init_pixeltables (void) * * Note: when returning non-NULL, global variable `drv' is guaranteed to be ok */ -static vl_mode *v_init_hw (void) +static vl_mode * +v_init_hw (void) { - static vl_mode *q = NULL; - - if (q == NULL) { - /* are we forced to NUL driver? */ - if (getenv("DMESA_NULDRV")) { - if ((q = NUL.init()) != NULL) { - drv = &NUL; - } - return q; - } - /* initialize hardware */ - if ((q = VESA.init()) != NULL) { - drv = &VESA; - } else if ((q = VGA.init()) != NULL) { - drv = &VGA; - } else { - drv = NULL; - } - } - - return q; -} + static vl_mode *q = NULL; + if (q == NULL) { + /* are we forced to NUL driver? */ + if (getenv("DMESA_NULDRV")) { + if ((q = NUL.init()) != NULL) { + drv = &NUL; + } + return q; + } + /* initialize hardware */ + if ((q = VESA.init()) != NULL) { + drv = &VESA; + } else if ((q = VGA.init()) != NULL) { + drv = &VGA; + } else { + drv = NULL; + } + } + + return q; +} /* Desc: sync buffer with video hardware @@ -458,36 +468,36 @@ static vl_mode *v_init_hw (void) * * Note: - */ -int vl_sync_buffer (void **buffer, int x, int y, int width, int height) +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)) { - return -1; - } else { - void *newbuf = *buffer; - - if ((newbuf == NULL) || (vl_current_width != width) || (vl_current_height != height)) { - newbuf = realloc(newbuf, width * height * video_bypp); - } - - if (newbuf == NULL) { - return -2; - } - - vl_current_width = width; - vl_current_height = height; - vl_current_stride = vl_current_width * video_bypp; - vl_current_bytes = vl_current_stride * height; - - vl_current_offset = video_scanlen * y + video_bypp * x; - vl_current_delta = video_scanlen - vl_current_stride; - - vl_current_draw_buffer = vl_current_read_buffer = *buffer = newbuf; - return 0; - } + if ((width & 7) || (x < 0) || (y < 0) || (x+width > video_mode->xres) || (y+height > video_mode->yres)) { + return -1; + } else { + void *newbuf = *buffer; + + if ((newbuf == NULL) || (vl_current_width != width) || (vl_current_height != height)) { + newbuf = realloc(newbuf, width * height * video_bypp); + } + + if (newbuf == NULL) { + return -2; + } + + vl_current_width = width; + vl_current_height = height; + vl_current_stride = vl_current_width * video_bypp; + vl_current_bytes = vl_current_stride * height; + + vl_current_offset = video_scanlen * y + video_bypp * x; + vl_current_delta = video_scanlen - vl_current_stride; + + vl_current_draw_buffer = vl_current_read_buffer = *buffer = newbuf; + return 0; + } } - /* Desc: state retrieval * * In : name, storage @@ -495,41 +505,40 @@ int vl_sync_buffer (void **buffer, int x, int y, int width, int height) * * Note: - */ -int vl_get (int pname, int *params) +int +vl_get (int pname, int *params) { - switch (pname) { - case VL_GET_SCREEN_SIZE: - params[0] = video_mode->xres; - params[1] = video_mode->yres; - break; - case VL_GET_VIDEO_MODES: - { - int n; - vl_mode *q; - if ((q = v_init_hw()) == NULL) { - return -1; - } - /* count available visuals */ - for (n = 0; q->mode != 0xffff; q++) { - if ((q + 1)->mode == (q->mode | 0x4000)) { - /* same mode, but linear */ - q++; - } - if (params) { - params[n] = (int)q; - } - n++; - } - return n; - } - default: - return (drv != NULL) ? drv->get(pname, params) : -1; - } - return 0; + switch (pname) { + case VL_GET_SCREEN_SIZE: + params[0] = video_mode->xres; + params[1] = video_mode->yres; + break; + case VL_GET_VIDEO_MODES: { + int n; + vl_mode *q; + if ((q = v_init_hw()) == NULL) { + return -1; + } + /* count available visuals */ + for (n = 0; q->mode != 0xffff; q++) { + if ((q + 1)->mode == (q->mode | 0x4000)) { + /* same mode, but linear */ + q++; + } + if (params) { + params[n] = (int)q; + } + n++; + } + return n; + } + default: + return (drv != NULL) ? drv->get(pname, params) : -1; + } + return 0; } - /* Desc: setup mode * * In : ptr to mode definition @@ -537,54 +546,54 @@ int vl_get (int pname, int *params) * * Note: - */ -static int vl_setup_mode (vl_mode *p) +static int +vl_setup_mode (vl_mode *p) { - if (p == NULL) { - return -1; - } + if (p == NULL) { + 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 + 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; - } + 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; - vl_video_selector = p->sel; + video_mode = p; + video_bypp = (p->bpp+7)/8; + video_scanlen = p->scanlen; + vl_video_selector = p->sel; - return 0; + return 0; } - /* Desc: restore to the mode prior to first call to `vl_video_init'. * * In : - @@ -592,15 +601,15 @@ static int vl_setup_mode (vl_mode *p) * * Note: - */ -void vl_video_exit (void) +void +vl_video_exit (void) { - drv->restore(); - drv->fini(); - video_mode = NULL; + drv->restore(); + drv->fini(); + video_mode = NULL; } - /* Desc: enter mode * * In : xres, yres, bits/pixel, RGB, refresh rate @@ -608,52 +617,53 @@ void vl_video_exit (void) * * Note: - */ -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 fake; - vl_mode *p, *q; - unsigned int min; - - fake = 0; - if (!rgb) { - bpp = 8; - } else if (bpp == 8) { - fake = 1; - } + int fake; + vl_mode *p, *q; + unsigned int min; + + fake = 0; + if (!rgb) { + bpp = 8; + } else if (bpp == 8) { + fake = 1; + } #if HUGE_LOOKUP - else if (bpp < 24) { - v_init_pixeltables(); - } + else if (bpp < 24) { + v_init_pixeltables(); + } #endif - /* initialize hardware */ - if ((q = v_init_hw()) == NULL) { - return 0; - } - - /* search for a mode that fits our request */ - for (min=-1, p=NULL; q->mode!=0xffff; q++) { - if ((q->xres>=width) && (q->yres>=height) && (q->bpp==bpp)) { - if (min>=(unsigned)(q->xres*q->yres)) { - min = q->xres*q->yres; - p = q; - } - } - } - - /* setup and enter mode */ - if ((vl_setup_mode(p) == 0) && (drv->entermode(p, refresh) == 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; - } - - /* abort */ - return 0; + /* initialize hardware */ + if ((q = v_init_hw()) == NULL) { + return 0; + } + + /* search for a mode that fits our request */ + for (min = -1, p = NULL; q->mode != 0xffff; q++) { + if ((q->xres >= width) && (q->yres >= height) && (q->bpp == bpp)) { + if (min >= (unsigned)(q->xres * q->yres)) { + min = q->xres * q->yres; + p = q; + } + } + } + + /* setup and enter mode */ + if ((vl_setup_mode(p) == 0) && (drv->entermode(p, refresh) == 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; + } + + /* abort */ + return 0; } |