diff options
Diffstat (limited to 'src/mesa/drivers/dos')
| -rw-r--r-- | src/mesa/drivers/dos/dmesa.c | 563 |
1 files changed, 457 insertions, 106 deletions
diff --git a/src/mesa/drivers/dos/dmesa.c b/src/mesa/drivers/dos/dmesa.c index 01be3012242..5ab323d33a9 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 : [email protected]
@@ -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);
}
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