DOS updates (Daniel Borca)

6 files changed, 194 insertions, 96 deletions

diff --git a/src/mesa/drivers/dos/dmesa.c b/src/mesa/drivers/dos/dmesa.c
index 4541559e2ca..ec9f3b22242 100644
--- a/src/mesa/drivers/dos/dmesa.c
+++ b/src/mesa/drivers/dos/dmesa.c
@@ -356,7 +356,7 @@ static void read_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
  offset = c->Buffer->width * FLIP(y) + x;

  /* read all pixels */

  for (i=0; i<n; i++, offset++) {

-     index[i] = vl_getCIpixel(offset);

+     index[i] = vl_getpixel(offset);

  }

 }

 

@@ -421,13 +421,13 @@ static void read_index_pixels (const GLcontext *ctx,
     /* read some pixels */

     for (i=0; i<n; i++) {

         if (mask[i]) {

-           index[i] = vl_getCIpixel(FLIP2(y[i])*w + x[i]);

+           index[i] = vl_getpixel(FLIP2(y[i])*w + x[i]);

         }

     }

  } else {

     /* read all pixels */

     for (i=0; i<n; i++) {

-        index[i] = vl_getCIpixel(FLIP2(y[i])*w + x[i]);

+        index[i] = vl_getpixel(FLIP2(y[i])*w + x[i]);

     }

  }

 }

@@ -1074,19 +1074,37 @@ void DMesaDestroyContext (DMesaContext c)
 

 

 

-GLboolean DMesaViewport (DMesaBuffer b,

-                         GLint xpos, GLint ypos,

-                         GLint width, GLint height)

+GLboolean DMesaMoveBuffer (GLint xpos, GLint ypos)

 {

 #ifndef FX

- void *new_window;

+ GET_CURRENT_CONTEXT(ctx);

+ DMesaBuffer b = ((DMesaContext)ctx->DriverCtx)->Buffer;

 

- if ((new_window=vl_sync_buffer(b->the_window, xpos, ypos, width, height)) == NULL) {

+ if (vl_sync_buffer(&b->the_window, xpos, ypos, b->width, b->height) != 0) {

     return GL_FALSE;

  } else {

-    b->the_window = new_window;

     b->xpos = xpos;

     b->ypos = ypos;

+    return GL_TRUE;

+ }

+

+#else

+

+ return GL_FALSE;

+#endif

+}

+

+

+

+GLboolean DMesaResizeBuffer (GLint width, GLint height)

+{

+#ifndef FX

+ GET_CURRENT_CONTEXT(ctx);

+ DMesaBuffer b = ((DMesaContext)ctx->DriverCtx)->Buffer;

+

+ if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, width, height) != 0) {

+    return GL_FALSE;

+ } else {

     b->width = width;

     b->height = height;

     return GL_TRUE;

@@ -1107,7 +1125,7 @@ GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)
 {

 #ifndef FX

  if ((c != NULL) && (b != NULL)) {

-    if (!DMesaViewport(b, b->xpos, b->ypos, b->width, b->height)) {

+    if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, b->width, b->height) != 0) {

        return GL_FALSE;

     }

 

@@ -1153,3 +1171,46 @@ void DMesaSetCI (int ndx, GLfloat red, GLfloat green, GLfloat blue)
  vl_setCI(ndx, red, green, blue);

 #endif

 }

+

+

+

+void DMesaGetIntegerv (GLenum pname, GLint *params)

+{

+#ifndef FX

+ GET_CURRENT_CONTEXT(ctx);

+ const DMesaContext c = (ctx == NULL) ? NULL : (DMesaContext)ctx->DriverCtx;

+#else

+ const fxMesaContext c = fxMesaGetCurrentContext();

+#endif

+

+ if (c == NULL) {

+    return;

+ }

+

+ switch (pname) {

+        case DMESA_Y_ORIGIN:

+             #ifndef FX

+             params[0] = GL_FALSE;

+             #else

+             params[0] = GL_TRUE;

+             #endif

+             break;

+        case DMESA_SCREEN_SIZE:

+             #ifndef FX

+             vl_get_screen_size(&params[0], &params[1]);

+             #else

+             params[0] = c->screen_width;

+             params[1] = c->screen_height;

+             #endif

+             break;

+        case DMESA_ARGB_ORDER:

+             #ifndef FX

+             params[0] = GL_FALSE;

+             #else

+             params[0] = !c->bgrOrder;

+             #endif

+             break;

+        default:

+             break;

+ }

+}

diff --git a/src/mesa/drivers/dos/vesa/vesa.c b/src/mesa/drivers/dos/vesa/vesa.c
index 26c474317fe..1f3de844d7d 100644
--- a/src/mesa/drivers/dos/vesa/vesa.c
+++ b/src/mesa/drivers/dos/vesa/vesa.c
@@ -32,6 +32,7 @@
 

 

 #include <dpmi.h>

+#include <pc.h>

 #include <stdlib.h>

 #include <stubinfo.h>

 #include <sys/exceptn.h>

@@ -454,22 +455,23 @@ static void vesa_restore (void)
  * In  : color index, R, G, B

  * Out : -

  *

- * Note: uses normalized values

+ * Note: uses integer values

  */

-static void vesa_setCI_f (int index, float red, float green, float blue)

+static void vesa_setCI_i (int index, int red, int green, int blue)

 {

- float max = (1 << vesa_color_precision) - 1;

-

- int _red = red * max;

- int _green = green * max;

- int _blue = blue * max;

-

+#if 0

  __asm("\n\

 		movw $0x1010, %%ax	\n\

 		movb %1, %%dh		\n\

 		movb %2, %%ch		\n\

 		int  $0x10		\n\

-"::"b"(index), "m"(_red), "m"(_green), "c"(_blue):"%eax", "%edx");

+ "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx");

+#else

+ outportb(0x03C8, index);

+ outportb(0x03C9, red);

+ outportb(0x03C9, green);

+ outportb(0x03C9, blue);

+#endif

 }

 

 

@@ -479,16 +481,13 @@ static void vesa_setCI_f (int index, float red, float green, float blue)
  * In  : color index, R, G, B

  * Out : -

  *

- * Note: uses integer values

+ * Note: uses normalized values

  */

-static void vesa_setCI_i (int index, int red, int green, int blue)

+static void vesa_setCI_f (int index, float red, float green, float blue)

 {

- __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");

+ float max = (1 << vesa_color_precision) - 1;

+

+ vesa_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max));

 }

 

 

diff --git a/src/mesa/drivers/dos/vga/vga.c b/src/mesa/drivers/dos/vga/vga.c
index 1888d989475..d1d2db51b5e 100644
--- a/src/mesa/drivers/dos/vga/vga.c
+++ b/src/mesa/drivers/dos/vga/vga.c
@@ -31,6 +31,7 @@
  */

 

 

+#include <pc.h>

 #include <stdlib.h>

 

 #include "vga.h"

@@ -158,22 +159,23 @@ static void vga_restore (void)
  * In  : color index, R, G, B

  * Out : -

  *

- * Note: uses normalized values

+ * Note: uses integer values

  */

-static void vga_setCI_f (int index, float red, float green, float blue)

+static void vga_setCI_i (int index, int red, int green, int blue)

 {

- float max = (1 << vga_color_precision) - 1;

-

- int _red = red * max;

- int _green = green * max;

- int _blue = blue * max;

-

+#if 0

  __asm("\n\

 		movw $0x1010, %%ax	\n\

 		movb %1, %%dh		\n\

 		movb %2, %%ch		\n\

 		int  $0x10		\n\

- "::"b"(index), "m"(_red), "m"(_green), "c"(_blue):"%eax", "%edx");

+ "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx");

+#else

+ outportb(0x03C8, index);

+ outportb(0x03C9, red);

+ outportb(0x03C9, green);

+ outportb(0x03C9, blue);

+#endif

 }

 

 

@@ -183,16 +185,13 @@ static void vga_setCI_f (int index, float red, float green, float blue)
  * In  : color index, R, G, B

  * Out : -

  *

- * Note: uses integer values

+ * Note: uses normalized values

  */

-static void vga_setCI_i (int index, int red, int green, int blue)

+static void vga_setCI_f (int index, float red, float green, float blue)

 {

- __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");

+ float max = (1 << vga_color_precision) - 1;

+

+ vga_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max));

 }

 

 

diff --git a/src/mesa/drivers/dos/video.c b/src/mesa/drivers/dos/video.c
index 5f4d9d5bedb..aba99ac5428 100644
--- a/src/mesa/drivers/dos/video.c
+++ b/src/mesa/drivers/dos/video.c
@@ -45,6 +45,7 @@
 static vl_driver *drv;

 /* based upon mode specific data: valid entire session */

 int vl_video_selector;

+static vl_mode *video_mode;

 static int video_scanlen, video_bypp;

 /* valid until next buffer */

 void *vl_current_draw_buffer, *vl_current_read_buffer;

@@ -93,6 +94,7 @@ 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);

@@ -243,30 +245,43 @@ static void v_getrgba32 (unsigned int offset, unsigned char rgba[4])
 

 

 

-/* Desc: set one palette entry

+/* Desc: pixel retrieval

  *

- * In  : index, R, G, B

- * Out : -

+ * In  : pixel offset

+ * Out : pixel value

  *

- * Note: color components are in range [0.0 .. 1.0]

+ * Note: uses current read buffer

  */

-void vl_setCI (int index, float red, float green, float blue)

+static int v_getpixel8 (unsigned int offset)

 {

- drv->setCI_f(index, red, green, blue);

+ 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)

+{

+ return ((word32 *)vl_current_read_buffer)[offset];

 }

 

 

 

-/* Desc: read pixel from 8bit buffer

+/* Desc: set one palette entry

  *

- * In  : pixel offset

- * Out : pixel read

+ * In  : index, R, G, B

+ * Out : -

  *

- * Note: used only for CI modes

+ * Note: color components are in range [0.0 .. 1.0]

  */

-int vl_getCIpixel (unsigned int offset)

+void vl_setCI (int index, float red, float green, float blue)

 {

- return ((word8 *)vl_current_read_buffer)[offset];

+ drv->setCI_f(index, red, green, blue);

 }

 

 

@@ -276,7 +291,7 @@ int vl_getCIpixel (unsigned int offset)
  * In  : color, R, G, B

  * Out : -

  *

- * Note: color components are in range [0 .. 63]

+ * Note: -

  */

 static void fake_setcolor (int c, int r, int g, int b)

 {

@@ -326,33 +341,56 @@ static void fake_buildpalette (int bits)
 

 /* Desc: sync buffer with video hardware

  *

- * In  : old buffer, position, size

- * Out : new buffer

+ * In  : ptr to old buffer, position, size

+ * Out : 0 if success

  *

  * Note: -

  */

-void *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)

 {

- void *newbuf;

-

- if (width&7) {

-    return NULL;

+ if ((width & 7) || (x < 0) || (y < 0) || (x+width > video_mode->xres) || (y+height > video_mode->yres)) {

+    return -1;

  } else {

-    if ((newbuf=realloc(buffer, width * height * video_bypp)) != NULL) {

-       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;

+    void *newbuf = *buffer;

+

+    if ((newbuf == NULL) || (vl_current_width != width) || (vl_current_height != height)) {

+       newbuf = realloc(newbuf, width * height * video_bypp);

     }

-    return vl_current_draw_buffer = vl_current_read_buffer = newbuf;

+

+    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: get screen geometry

+ *

+ * In  : ptr to WIDTH, ptr to HEIGHT

+ * Out : -

+ *

+ * Note: -

+ */

+void vl_get_screen_size (int *width, int *height)

+{

+ *width = video_mode->xres;

+ *height = video_mode->yres;

+}

+

+

+

 /* Desc: retrieve CPU MMX capability

  *

  * In  : -

@@ -364,8 +402,7 @@ int vl_can_mmx (void)
 {

 #ifdef USE_MMX_ASM

  extern int _mesa_identify_x86_cpu_features (void);

- int _mesa_x86_cpu_features = _mesa_identify_x86_cpu_features();

- return (_mesa_x86_cpu_features & 0x00800000);

+ return (_mesa_identify_x86_cpu_features() & 0x00800000);

 #else

  return 0;

 #endif

@@ -382,9 +419,14 @@ int vl_can_mmx (void)
  */

 static int vl_setup_mode (vl_mode *p)

 {

+ 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;    \

@@ -413,6 +455,7 @@ static int vl_setup_mode (vl_mode *p)
 

 #undef INITPTR

 

+ video_mode = p;

  video_bypp = (p->bpp+7)/8;

  video_scanlen = p->scanlen;

  vl_video_selector = p->sel;

@@ -476,8 +519,8 @@ int vl_video_init (int width, int height, int bpp, int rgb, int refresh)
      }

  }

 

- /* check, setup and enter mode */

- if ((p!=NULL) && (vl_setup_mode(p) == 0) && (drv->entermode(p, refresh) == 0)) {

+ /* setup and enter mode */

+ if ((vl_setup_mode(p) == 0) && (drv->entermode(p, refresh) == 0)) {

     vl_flip = drv->blit;

     if (fake) {

        min = drv->getCIprec();

diff --git a/src/mesa/drivers/dos/video.h b/src/mesa/drivers/dos/video.h
index 3197338e632..8dfb9a91766 100644
--- a/src/mesa/drivers/dos/video.h
+++ b/src/mesa/drivers/dos/video.h
@@ -45,11 +45,12 @@ 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_getCIpixel (unsigned int offset);

 

-void *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);

+void vl_get_screen_size (int *width, int *height);

 

 void vl_video_exit (void);

 int vl_video_init (int width, int height, int bpp, int rgb, int refresh);

diff --git a/src/mesa/drivers/dos/virtual.S b/src/mesa/drivers/dos/virtual.S
index 4dbbbb3e3f8..c5a72975feb 100644
--- a/src/mesa/drivers/dos/virtual.S
+++ b/src/mesa/drivers/dos/virtual.S
@@ -107,13 +107,12 @@ _v_clear_common:
 		.p2align 5,,31

 		.global	_v_clear8_mmx

 _v_clear8_mmx:

-		movl	4(%esp), %eax

-		movb	%al, %ah

-		pushw	%ax

-		pushw	%ax

-		pushw	%ax

-		pushw	%ax

+#ifdef USE_MMX_ASM

+		movq	4(%esp), %mm0

+		punpcklbw %mm0, %mm0

+		punpcklwd %mm0, %mm0

 		jmp	_v_clear_common_mmx

+#endif

 

 /* Desc: void v_clear16_mmx (int color);

  *

@@ -125,12 +124,11 @@ _v_clear8_mmx:
 		.p2align 5,,31

 		.global	_v_clear16_mmx

 _v_clear16_mmx:

-		movl	4(%esp), %eax

-		pushw	%ax

-		pushw	%ax

-		pushw	%ax

-		pushw	%ax

+#ifdef USE_MMX_ASM

+		movq	4(%esp), %mm0

+		punpcklwd %mm0, %mm0

 		jmp	_v_clear_common_mmx

+#endif

 

 /* Desc: void v_clear32_mmx (int color);

  *

@@ -142,15 +140,13 @@ _v_clear16_mmx:
 		.p2align 5,,31

 		.global	_v_clear32_mmx

 _v_clear32_mmx:

-		movl	4(%esp), %eax

-		pushl	%eax

-		pushl	%eax

+#ifdef USE_MMX_ASM

+		movq	4(%esp), %mm0

 		.balign	4

 _v_clear_common_mmx:

-#ifdef USE_MMX_ASM

+		punpckldq %mm0, %mm0

 		movl	_vl_current_bytes, %ecx

 		movl	_vl_current_draw_buffer, %edx

-		movq	(%esp), %mm0

 		shrl	$3, %ecx

 		.balign	4

 	0:

@@ -160,7 +156,6 @@ _v_clear_common_mmx:
 		jnz	0b

 		emms

 #endif

-		addl	$8, %esp

 		ret

 

 /* Desc: void v_clear24 (int color);