DOS updates from Daniel Borca

1 files changed, 457 insertions, 106 deletions

diff --git a/src/mesa/drivers/dos/dmesa.c b/src/mesa/drivers/dos/dmesa.c
index 01be301224..5ab323d33a 100644
--- a/src/mesa/drivers/dos/dmesa.c
+++ b/src/mesa/drivers/dos/dmesa.c
@@ -23,7 +23,7 @@
  */

 

 /*

- * DOS/DJGPP device driver v0.1 for Mesa 4.0

+ * DOS/DJGPP device driver v0.2 for Mesa 4.0

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -37,10 +37,18 @@
 #include "glheader.h"

 #include "context.h"

 #include "GL/dmesa.h"

+#include "extensions.h"

+#include "macros.h"

 #include "matrix.h"

+#include "mmath.h"

 #include "texformat.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/s_trispan.h"

 #include "swrast/swrast.h"

 #include "swrast_setup/swrast_setup.h"

 #include "tnl/tnl.h"

@@ -48,8 +56,7 @@
 #include "tnl/t_pipeline.h"

 #endif

 

-#include "dvesa.h"

-#include "dmesaint.h"

+#include "video.h"

 

 

 

@@ -59,9 +66,10 @@
  */

 struct dmesa_visual {

    GLvisual *gl_visual;

-   GLboolean db_flag;           /* double buffered? */

    GLboolean rgb_flag;          /* RGB mode? */

    GLuint depth;                /* bits per pixel (1, 8, 24, etc) */

+

+   GLint caps;                  /* video mode capabilities */

 };

 

 /*

@@ -72,12 +80,14 @@ 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;              /* buffer position */

-   int xsize, len;              /* number of bytes in a line, then total */

-   int delta;                   /* used to wrap around */

-   int offset;                  /* offset in video */

-   struct dvmode *video;

+   int pitch, len;              /* number of bytes in a line, then total */

+   int cwidth;                  /* scan width */

+

+   int caps;                    /* video mode capabilities */

+

+   void (*tri_rgb_flat) ();

 };

 

 /*

@@ -104,40 +114,361 @@ static void dmesa_update_state (GLcontext *ctx, GLuint new_state);
 

 

 

-WRITE_RGBA_SPAN(15)

-WRITE_RGBA_SPAN(16)

-WRITE_RGBA_SPAN(24)

-WRITE_RGBA_SPAN(32)

+#define FLIP(y)  (c->Buffer->height - (y) - 1)

+#define FLIP2(y) (h - (y) - 1)

+

+

+

+static void write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,

+                             const GLubyte rgba[][4], const GLubyte mask[])

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint i, offset;

+

+ offset = c->Buffer->cwidth * FLIP(y) + x;

+ if (mask) {

+    /* draw some pixels */

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

+        if (mask[i]) {

+           vl_putpixel(b, offset, vl_mixrgba(rgba[i]));

+        }

+    }

+ } else {

+    /* draw all pixels */

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

+        vl_putpixel(b, 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[])

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint i, offset;

 

-WRITE_RGB_SPAN(15)

-WRITE_RGB_SPAN(16)

-WRITE_RGB_SPAN(24)

-WRITE_RGB_SPAN(32)

+ offset = c->Buffer->cwidth * FLIP(y) + x;

+ if (mask) {

+    /* draw some pixels */

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

+        if (mask[i]) {

+           vl_putpixel(b, offset, vl_mixrgb(rgb[i]));

+        }

+    }

+ } else {

+    /* draw all pixels */

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

+        vl_putpixel(b, 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[])

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint i, offset, rgba = vl_mixrgba(color);

+

+ offset = c->Buffer->cwidth * FLIP(y) + x;

+ if (mask) {

+    /* draw some pixels */

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

+        if (mask[i]) {

+           vl_putpixel(b, offset, rgba);

+        }

+    }

+ } else {

+    /* draw all pixels */

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

+        vl_putpixel(b, offset, rgba);

+    }

+ }

+}

+

+static void read_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,

+                            GLubyte rgba[][4])

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint i, offset;

+

+ offset = c->Buffer->cwidth * FLIP(y) + x;

+ /* read all pixels */

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

+     vl_getrgba(b, 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[])

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint i, w = c->Buffer->cwidth, h = c->Buffer->height;

 

-WRITE_MONO_RGBA_SPAN(15)

-WRITE_MONO_RGBA_SPAN(16)

-WRITE_MONO_RGBA_SPAN(24)

-WRITE_MONO_RGBA_SPAN(32)

+ if (mask) {

+    /* draw some pixels */

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

+        if (mask[i]) {

+           vl_putpixel(b, FLIP2(y[i])*w + x[i], vl_mixrgba(rgba[i]));

+        }

+    }

+ } else {

+    /* draw all pixels */

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

+        vl_putpixel(b, FLIP2(y[i])*w + x[i], vl_mixrgba(rgba[i]));

+    }

+ }

+}

 

-READ_RGBA_SPAN(15)

-READ_RGBA_SPAN(16)

-READ_RGBA_SPAN(24)

-READ_RGBA_SPAN(32)

+static void write_mono_rgba_pixels (const GLcontext *ctx,

+                                    GLuint n, const GLint x[], const GLint y[],

+                                    const GLchan color[4], const GLubyte mask[])

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint i, w = c->Buffer->cwidth, h = c->Buffer->height, rgba = vl_mixrgba(color);

 

-WRITE_RGBA_PIXELS(15)

-WRITE_RGBA_PIXELS(16)

-WRITE_RGBA_PIXELS(24)

-WRITE_RGBA_PIXELS(32)

+ if (mask) {

+    /* draw some pixels */

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

+        if (mask[i]) {

+           vl_putpixel(b, FLIP2(y[i])*w + x[i], rgba);

+        }

+    }

+ } else {

+    /* draw all pixels */

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

+        vl_putpixel(b, FLIP2(y[i])*w + x[i], rgba);

+    }

+ }

+}

 

-WRITE_MONO_RGBA_PIXELS(15)

-WRITE_MONO_RGBA_PIXELS(16)

-WRITE_MONO_RGBA_PIXELS(24)

-WRITE_MONO_RGBA_PIXELS(32)

+static void read_rgba_pixels (const GLcontext *ctx,

+                              GLuint n, const GLint x[], const GLint y[],

+                              GLubyte rgba[][4], const GLubyte mask[])

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint i, w = c->Buffer->cwidth, h = c->Buffer->height;

 

-READ_RGBA_PIXELS(15)

-READ_RGBA_PIXELS(16)

-READ_RGBA_PIXELS(24)

-READ_RGBA_PIXELS(32)

+ if (mask) {

+    /* read some pixels */

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

+        if (mask[i]) {

+           vl_getrgba(b, FLIP2(y[i])*w + x[i], rgba[i]);

+        }

+    }

+ } else {

+    /* read all pixels */

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

+        vl_getrgba(b, FLIP2(y[i])*w + x[i], rgba[i]);

+    }

+ }

+}

+

+

+

+/**********************************************************************/

+/*****                   Optimized triangle rendering             *****/

+/**********************************************************************/

+

+

+

+/*

+ * flat, NON-depth-buffered, triangle.

+ */

+static void tri_rgb_flat (GLcontext *ctx,

+                          const SWvertex *v0,

+                          const SWvertex *v1,

+                          const SWvertex *v2)

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint w = c->Buffer->cwidth, h = c->Buffer->height;

+

+ if (c->Buffer->tri_rgb_flat) {

+    c->Buffer->tri_rgb_flat(IROUND(v0->win[0]), IROUND(FLIP2(v0->win[1])),

+                            IROUND(v1->win[0]), IROUND(FLIP2(v1->win[1])),

+                            IROUND(v2->win[0]), IROUND(FLIP2(v2->win[1])),

+                            vl_mixrgb(v2->color));

+ } else {

+#define SETUP_CODE GLuint rgb = vl_mixrgb(v2->color);

+

+#define RENDER_SPAN(span)					\

+   GLuint i, offset = FLIP2(span.y)*w + span.x;			\

+   for (i = 0; i < span.count; i++, offset++) {			\

+       vl_putpixel(b, offset, rgb);				\

+   }

+

+#include "swrast/s_tritemp.h"

+ }

+}

+

+

+

+/*

+ * flat, depth-buffered, triangle.

+ */

+static void tri_rgb_flat_z (GLcontext *ctx,

+                            const SWvertex *v0,

+                            const SWvertex *v1,

+                            const SWvertex *v2)

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint w = c->Buffer->cwidth, h = c->Buffer->height;

+

+#define INTERP_Z 1

+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE

+#define SETUP_CODE GLuint rgb = vl_mixrgb(v2->color);

+

+#define RENDER_SPAN(span)					\

+   GLuint i, offset = FLIP2(span.y)*w + span.x;			\

+   for (i = 0; i < span.count; i++, offset++) {			\

+       const DEPTH_TYPE z = FixedToDepth(span.z);		\

+       if (z < zRow[i]) {					\

+          vl_putpixel(b, offset, rgb);				\

+          zRow[i] = z;						\

+       }							\

+       span.z += span.zStep;					\

+   }

+

+#include "swrast/s_tritemp.h"

+}

+

+

+

+/*

+ * smooth, NON-depth-buffered, triangle.

+ */

+static void tri_rgb_smooth (GLcontext *ctx,

+                            const SWvertex *v0,

+                            const SWvertex *v1,

+                            const SWvertex *v2)

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint w = c->Buffer->cwidth, h = c->Buffer->height;

+

+#define INTERP_RGB 1

+#define RENDER_SPAN(span)					\

+   GLuint i, offset = FLIP2(span.y)*w + span.x;			\

+   for (i = 0; i < span.count; i++, offset++) {			\

+       unsigned char rgb[3];					\

+       rgb[0] = FixedToInt(span.red);				\

+       rgb[1] = FixedToInt(span.green);				\

+       rgb[2] = FixedToInt(span.blue);				\

+       vl_putpixel(b, offset, vl_mixrgb(rgb));			\

+       span.red += span.redStep;				\

+       span.green += span.greenStep;				\

+       span.blue += span.blueStep;				\

+   }

+

+#include "swrast/s_tritemp.h"

+}

+

+

+

+/*

+ * smooth, depth-buffered, triangle.

+ */

+static void tri_rgb_smooth_z (GLcontext *ctx,

+                              const SWvertex *v0,

+                              const SWvertex *v1,

+                              const SWvertex *v2)

+{

+ DMesaContext c = (DMesaContext)ctx->DriverCtx;

+ void *b = c->Buffer->the_window;

+ GLuint w = c->Buffer->cwidth, h = c->Buffer->height;

+

+#define INTERP_Z 1

+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE

+#define INTERP_RGB 1

+

+#define RENDER_SPAN(span)					\

+   GLuint i, offset = FLIP2(span.y)*w + span.x;			\

+   for (i = 0; i < span.count; i++, offset++) {			\

+       const DEPTH_TYPE z = FixedToDepth(span.z);		\

+       if (z < zRow[i]) {					\

+          unsigned char rgb[3];					\

+          rgb[0] = FixedToInt(span.red);			\

+          rgb[1] = FixedToInt(span.green);			\

+          rgb[2] = FixedToInt(span.blue);			\

+          vl_putpixel(b, offset, vl_mixrgb(rgb));		\

+          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)  return (swrast_tri_func) NULL;

+ if (ctx->Polygon.SmoothFlag)       return (swrast_tri_func) NULL;

+ if (ctx->Texture._ReallyEnabled)   return (swrast_tri_func) NULL;

+

+ if (ctx->Light.ShadeModel==GL_SMOOTH

+     && swrast->_RasterMask==DEPTH_BIT

+     && ctx->Depth.Func==GL_LESS

+     && ctx->Depth.Mask==GL_TRUE

+     && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS

+     && ctx->Polygon.StippleFlag==GL_FALSE) {

+    return tri_rgb_smooth_z;

+ }

+ if (ctx->Light.ShadeModel==GL_FLAT

+     && swrast->_RasterMask==DEPTH_BIT

+     && ctx->Depth.Func==GL_LESS

+     && ctx->Depth.Mask==GL_TRUE

+     && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS

+     && ctx->Polygon.StippleFlag==GL_FALSE) {

+    return tri_rgb_flat_z;

+ }

+ if (swrast->_RasterMask==0   /* no depth test */

+     && ctx->Light.ShadeModel==GL_SMOOTH

+     && ctx->Polygon.StippleFlag==GL_FALSE) {

+    return tri_rgb_smooth;

+ }

+ if (swrast->_RasterMask==0   /* no depth test */

+     && ctx->Light.ShadeModel==GL_FLAT

+     && ctx->Polygon.StippleFlag==GL_FALSE) {

+    return tri_rgb_flat;

+ }

+

+ return (swrast_tri_func)NULL;

+}

+

+

+

+/* Override for the swrast triangle-selection function.  Try to use one

+ * of our internal line 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);

+}

 

 

 

@@ -150,7 +481,7 @@ READ_RGBA_PIXELS(32)
 static void clear_color (GLcontext *ctx, const GLchan color[4])

 {

  DMesaContext c = (DMesaContext)ctx->DriverCtx;

- c->ClearColor = dv_color(color);

+ c->ClearColor = vl_mixrgba(color);

 }

 

 

@@ -171,15 +502,29 @@ static void clear (GLcontext *ctx, GLbitfield mask, GLboolean all,
  */

 

  /* we can't handle color or index masking */

- if (*colorMask==0xffffffff && ctx->Color.IndexMask==0xffffffff) {

-    if (mask&DD_BACK_LEFT_BIT) {

+ if (*colorMask==0xffffffff) {

+    if (mask & DD_BACK_LEFT_BIT) {

        if (all) {

-          dv_clear_virtual(b->the_window, b->len, c->ClearColor);

+          if CHECK_SOFTDB(b->caps) {

+             vl_clear_virtual(b->the_window, b->len, c->ClearColor);

+          } else {

+             vl_clear(b->the_window, 0, 0, b->width, b->height, c->ClearColor);

+          }

        } else {

-          dv_fillrect(b->the_window, b->width, x, y, width, height, c->ClearColor);

+          vl_clear(b->the_window, x, y, width, height, c->ClearColor);

        }

        mask &= ~DD_BACK_LEFT_BIT;

     }

+    if (mask & DD_FRONT_LEFT_BIT) {

+       if (all) {

+          x = 0;

+          y = 0;

+          width = b->width;

+          height = b->height;

+       }

+       vl_clear(b->the_window, x, y, width, height, c->ClearColor);

+       mask &= ~DD_FRONT_LEFT_BIT;

+    }

  }

 

  if (mask) {

@@ -208,7 +553,7 @@ static void set_read_buffer (GLcontext *ctx, GLframebuffer *buffer,
  */

 static GLboolean set_draw_buffer (GLcontext *ctx, GLenum mode)

 {

- if (mode==GL_BACK_LEFT) {

+ if (mode==GL_BACK_LEFT || mode==GL_FRONT_LEFT) {

     return GL_TRUE;

  } else {

     return GL_FALSE;

@@ -276,6 +621,29 @@ static void flush (GLcontext *ctx)
 

 

 

+#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_triangle = dmesa_choose_tri;

+

+ swrast->invalidate_triangle |= DMESA_NEW_TRIANGLE;

+}

+

+

+

 /* Setup pointers and other driver state that is constant for the life

  * of a context.

  */

@@ -361,44 +729,13 @@ static void dmesa_update_state (GLcontext *ctx, GLuint new_state)
  swdd->SetReadBuffer = set_read_buffer;

 

  /* RGB(A) span/pixel functions */

- switch (c->visual->depth) {

-        case 15:

-             swdd->WriteRGBASpan = write_rgba_span_15;

-             swdd->WriteRGBSpan = write_rgb_span_15;

-             swdd->WriteMonoRGBASpan = write_mono_rgba_span_15;

-             swdd->WriteRGBAPixels = write_rgba_pixels_15;

-             swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels_15;

-             swdd->ReadRGBASpan = read_rgba_span_15;

-             swdd->ReadRGBAPixels = read_rgba_pixels_15;

-             break;

-        case 16:

-             swdd->WriteRGBASpan = write_rgba_span_16;

-             swdd->WriteRGBSpan = write_rgb_span_16;

-             swdd->WriteMonoRGBASpan = write_mono_rgba_span_16;

-             swdd->WriteRGBAPixels = write_rgba_pixels_16;

-             swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels_16;

-             swdd->ReadRGBASpan = read_rgba_span_16;

-             swdd->ReadRGBAPixels = read_rgba_pixels_16;

-             break;

-        case 24:

-             swdd->WriteRGBASpan = write_rgba_span_24;

-             swdd->WriteRGBSpan = write_rgb_span_24;

-             swdd->WriteMonoRGBASpan = write_mono_rgba_span_24;

-             swdd->WriteRGBAPixels = write_rgba_pixels_24;

-             swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels_24;

-             swdd->ReadRGBASpan = read_rgba_span_24;

-             swdd->ReadRGBAPixels = read_rgba_pixels_24;

-             break;

-        case 32:

-             swdd->WriteRGBASpan = write_rgba_span_32;

-             swdd->WriteRGBSpan = write_rgb_span_32;

-             swdd->WriteMonoRGBASpan = write_mono_rgba_span_32;

-             swdd->WriteRGBAPixels = write_rgba_pixels_32;

-             swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels_32;

-             swdd->ReadRGBASpan = read_rgba_span_32;

-             swdd->ReadRGBAPixels = read_rgba_pixels_32;

-             break;

- }

+ swdd->WriteRGBASpan = write_rgba_span;

+ swdd->WriteRGBSpan = write_rgb_span;

+ swdd->WriteMonoRGBASpan = write_mono_rgba_span;

+ swdd->WriteRGBAPixels = write_rgba_pixels;

+ swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels;

+ swdd->ReadRGBASpan = read_rgba_span;

+ swdd->ReadRGBAPixels = read_rgba_pixels;

 }

 

 

@@ -412,16 +749,16 @@ static void dmesa_update_state (GLcontext *ctx, GLuint new_state)
 /*

  * The exact arguments to this function will depend on your window system

  */

-DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,

-                               GLint depthSize, GLint stencilSize,

+DMesaVisual DMesaCreateVisual (GLint width, GLint height, GLint colDepth,

+                               GLboolean dbFlag, GLint depthSize,

+                               GLint stencilSize,

                                GLint accumSize)

 {

  DMesaVisual v;

  GLint redBits, greenBits, blueBits, alphaBits;

+ GLint caps;

 

- if (!dbFlag) {

-    return NULL;

- }

+ alphaBits = 0;

  switch (colDepth) {

         case 15:

              redBits = 5;

@@ -433,8 +770,9 @@ DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
              greenBits = 6;

              blueBits = 5;

              break;

-        case 24:

         case 32:

+             alphaBits = 8;

+        case 24:

              redBits = 8;

              greenBits = 8;

              blueBits = 8;

@@ -442,7 +780,14 @@ DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
         default:

              return NULL;

  }

- alphaBits = 8;

+

+ caps = 0;

+ if (!dbFlag) {

+    caps |= VL_SINGLE;

+ }

+ if (vl_video_init(width, height, colDepth, &caps)!=0) {

+    return NULL;

+ }

 

  if ((v=(DMesaVisual)calloc(1, sizeof(struct dmesa_visual)))!=NULL) {

     /* Create core visual */

@@ -463,7 +808,7 @@ DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
                                        1);			/* numSamples */

 

     v->depth = colDepth;

-    v->db_flag = dbFlag;

+    v->caps = caps;

  }

 

  return v;

@@ -473,6 +818,7 @@ DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
 

 void DMesaDestroyVisual (DMesaVisual v)

 {

+ vl_video_exit();

  _mesa_destroy_visual(v->gl_visual);

  free(v);

 }

@@ -480,27 +826,27 @@ void DMesaDestroyVisual (DMesaVisual v)
 

 

 DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,

-                               GLint width, GLint height,

-                               GLint xpos, GLint ypos)

+                               GLint xpos, GLint ypos,

+                               GLint width, GLint height)

 {

  DMesaBuffer b;

 

  if ((b=(DMesaBuffer)calloc(1, sizeof(struct dmesa_buffer)))!=NULL) {

-    if (visual->db_flag) {

-       if ((b->the_window=calloc(1, width*height*((visual->depth+7)/8)))==NULL) {

-          return NULL;

-       }

-    }

 

     b->gl_buffer = _mesa_create_framebuffer(visual->gl_visual,

                                             visual->gl_visual->depthBits > 0,

                                             visual->gl_visual->stencilBits > 0,

                                             visual->gl_visual->accumRedBits > 0,

                                             visual->gl_visual->alphaBits > 0);

-    b->width = width;

-    b->height = height;

     b->xpos = xpos;

     b->ypos = ypos;

+    b->width = width;

+    b->height = height;

+    b->caps = visual->caps;

+    b->pitch = b->width*((visual->depth+7)/8);

+    b->len = b->pitch*b->height;

+

+    b->tri_rgb_flat = vl_getprim(TRI_RGB_FLAT);

  }

 

  return b;

@@ -510,7 +856,9 @@ DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,
 

 void DMesaDestroyBuffer (DMesaBuffer b)

 {

- free(b->the_window);

+ if CHECK_SOFTDB(b->caps) {

+    free(b->the_window);

+ }

  _mesa_destroy_framebuffer(b->gl_buffer);

  free(b);

 }

@@ -528,6 +876,9 @@ DMesaContext DMesaCreateContext (DMesaVisual visual,
                                      share ? share->gl_ctx : NULL,

                                      (void *)c, direct);

 

+    _mesa_enable_sw_extensions(c->gl_ctx);

+    _mesa_enable_1_3_extensions(c->gl_ctx);

+

    /* you probably have to do a bunch of other initializations here. */

     c->visual = visual;

 

@@ -538,6 +889,7 @@ DMesaContext DMesaCreateContext (DMesaVisual visual,
     _tnl_CreateContext(c->gl_ctx);

     _swsetup_CreateContext(c->gl_ctx);

     dmesa_init_pointers(c->gl_ctx);

+    dmesa_register_swrast_functions(c->gl_ctx);

  }

 

  return c;

@@ -559,13 +911,14 @@ void DMesaDestroyContext (DMesaContext c)
 GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)

 {

  if (c&&b) {

-    c->Buffer = b;

-    if ((b->video=dv_select_mode(b->xpos, b->ypos, b->width, b->height, c->visual->depth, &b->delta, &b->offset))==NULL) {

+    void *ptr = vl_sync_buffer(b->the_window, b->xpos, b->ypos, b->width, b->height, &b->cwidth);

+

+    if (b->cwidth==-1) {

        return GL_FALSE;

     }

 

-    b->xsize = b->width*((c->visual->depth+7)/8);

-    b->len = b->xsize*b->height;

+    b->the_window = ptr;

+    c->Buffer = b;

 

     dmesa_update_state(c->gl_ctx, 0);

     _mesa_make_current(c->gl_ctx, b->gl_buffer);

@@ -586,7 +939,5 @@ GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)
 void DMesaSwapBuffers (DMesaBuffer b)

 {

  /* copy/swap back buffer to front if applicable */

- if (b->the_window) {

-    dv_dump_virtual(b->the_window, b->xsize, b->height, b->offset, b->delta);

- }

+ b->the_window = vl_flip(b->the_window, b->width, b->height, b->pitch);

 }