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Diffstat (limited to 'src/mesa/drivers/dos/dmesa.c')
-rw-r--r--src/mesa/drivers/dos/dmesa.c746
1 files changed, 613 insertions, 133 deletions
diff --git a/src/mesa/drivers/dos/dmesa.c b/src/mesa/drivers/dos/dmesa.c
index ec9f3b2224..a72973832a 100644
--- a/src/mesa/drivers/dos/dmesa.c
+++ b/src/mesa/drivers/dos/dmesa.c
@@ -54,14 +54,22 @@
#include "tnl/t_context.h"
#include "tnl/t_pipeline.h"
+#ifndef MATROX
+
#include "video.h"
-#else
+#else /* MATROX */
+
+#include "mga/mga.h"
+
+#endif /* MATROX */
+
+#else /* FX */
#include "../FX/fxdrv.h"
#include "GL/dmesa.h"
-#endif
+#endif /* FX */
@@ -74,6 +82,10 @@ struct dmesa_visual {
GLboolean db_flag; /* double buffered? */
GLboolean rgb_flag; /* RGB mode? */
GLuint depth; /* bits per pixel (1, 8, 24, etc) */
+#ifdef MATROX
+ int stride_in_pixels;
+#endif
+ int zbuffer; /* Z=buffer: 0=no, 1=SW, -1=HW */
};
/*
@@ -107,8 +119,21 @@ struct dmesa_context {
/****************************************************************************
* Read/Write pixels
***************************************************************************/
-#define FLIP(y) (c->Buffer->height - (y) - 1)
-#define FLIP2(y) (b - (y))
+#define FLIP(y) (dmesa->Buffer->height - (y) - 1)
+#define FLIP2(y) (_b_ - (y))
+
+
+#ifndef MATROX
+#define DSTRIDE dmesa->Buffer->width
+#else
+#define DSTRIDE dmesa->visual->stride_in_pixels
+#define vl_putpixel mga_putpixel
+#define vl_mixrgba mga_mixrgb
+#define vl_mixrgb mga_mixrgb
+#define vl_getrgba mga_getrgba
+#define vl_setz mga_setz
+#define vl_getz mga_getz
+#endif
/****************************************************************************
* RGB[A]
@@ -116,10 +141,11 @@ struct dmesa_context {
static void write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
const GLubyte rgba[][4], const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
GLuint i, offset;
- offset = c->Buffer->width * FLIP(y) + x;
+#ifndef MATROX
+ offset = DSTRIDE * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
@@ -133,6 +159,29 @@ static void write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
vl_putpixel(offset, vl_mixrgba(rgba[i]));
}
}
+#else /* MATROX */
+ y = FLIP(y);
+ if (mask) {
+ /* draw some pixels */
+ offset = 0;
+ for (i = 0; i < n; i++) {
+ if (mask[i]) {
+ ++offset;
+ } else {
+ if (offset != 0) {
+ mga_draw_span_rgb_tx32(x + i - offset, y, offset, (const unsigned long *)(&rgba[i-offset]));
+ offset = 0;
+ }
+ }
+ }
+ if (offset != 0) {
+ mga_draw_span_rgb_tx32(x + n - offset, y, offset, (const unsigned long *)(&rgba[n-offset]));
+ }
+ } else {
+ /* draw all pixels */
+ mga_draw_span_rgb_tx32(x, y, n, (const unsigned long *)rgba);
+ }
+#endif /* MATROX */
}
@@ -140,10 +189,10 @@ static void write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
static void write_rgb_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
const GLubyte rgb[][3], const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
GLuint i, offset;
- offset = c->Buffer->width * FLIP(y) + x;
+ offset = DSTRIDE * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
@@ -165,10 +214,10 @@ static void write_mono_rgba_span (const GLcontext *ctx,
GLuint n, GLint x, GLint y,
const GLchan color[4], const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
GLuint i, offset, rgba = vl_mixrgba(color);
- offset = c->Buffer->width * FLIP(y) + x;
+ offset = DSTRIDE * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
@@ -189,10 +238,10 @@ static void write_mono_rgba_span (const GLcontext *ctx,
static void read_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
GLubyte rgba[][4])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
GLuint i, offset;
- offset = c->Buffer->width * FLIP(y) + x;
+ offset = DSTRIDE * FLIP(y) + x;
/* read all pixels */
for (i=0; i<n; i++, offset++) {
vl_getrgba(offset, rgba[i]);
@@ -205,20 +254,20 @@ 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 c = (DMesaContext)ctx->DriverCtx;
- GLuint i, w = c->Buffer->width, b = c->Buffer->height - 1;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ 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]));
+ 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]));
+ vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i]));
}
}
}
@@ -229,20 +278,20 @@ 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 c = (DMesaContext)ctx->DriverCtx;
- GLuint i, w = c->Buffer->width, b = c->Buffer->height - 1, rgba = vl_mixrgba(color);
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ 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);
+ 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);
+ vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba);
}
}
}
@@ -253,34 +302,37 @@ static void read_rgba_pixels (const GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
GLubyte rgba[][4], const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
- GLuint i, w = c->Buffer->width, b = c->Buffer->height - 1;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ 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]);
+ 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]);
+ vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]);
}
}
}
+
+
/****************************************************************************
* Index
***************************************************************************/
+#ifndef MATROX
static void write_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
const GLuint index[], const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
GLuint i, offset;
- offset = c->Buffer->width * FLIP(y) + x;
+ offset = DSTRIDE * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
@@ -301,10 +353,10 @@ static void write_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
static void write_index8_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
const GLubyte index[], const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
GLuint i, offset;
- offset = c->Buffer->width * FLIP(y) + x;
+ offset = DSTRIDE * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
@@ -326,10 +378,10 @@ static void write_mono_index_span (const GLcontext *ctx,
GLuint n, GLint x, GLint y,
GLuint colorIndex, const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
GLuint i, offset;
- offset = c->Buffer->width * FLIP(y) + x;
+ offset = DSTRIDE * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
@@ -350,10 +402,10 @@ static void write_mono_index_span (const GLcontext *ctx,
static void read_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
GLuint index[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
GLuint i, offset;
- offset = c->Buffer->width * FLIP(y) + x;
+ offset = DSTRIDE * FLIP(y) + x;
/* read all pixels */
for (i=0; i<n; i++, offset++) {
index[i] = vl_getpixel(offset);
@@ -366,20 +418,20 @@ static void write_index_pixels (const GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
const GLuint index[], const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
- GLuint i, w = c->Buffer->width, b = c->Buffer->height - 1;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ 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]);
+ 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]);
+ vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]);
}
}
}
@@ -390,20 +442,20 @@ static void write_mono_index_pixels (const GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
GLuint colorIndex, const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
- GLuint i, w = c->Buffer->width, b = c->Buffer->height - 1;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ 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);
+ 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);
+ vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex);
}
}
}
@@ -414,23 +466,107 @@ static void read_index_pixels (const GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
GLuint index[], const GLubyte mask[])
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
- GLuint i, w = c->Buffer->width, b = c->Buffer->height - 1;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ 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]);
+ 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]);
+ index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]);
}
}
}
+#endif /* !MATROX */
+
+
+
+/****************************************************************************
+ * Z-buffer
+ ***************************************************************************/
+#ifdef MATROX
+static void write_depth_span (GLcontext *ctx, GLuint n, GLint x, GLint y,
+ const GLdepth depth[], const GLubyte mask[])
+{
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint i, offset;
+
+ offset = DSTRIDE * FLIP(y) + x;
+ if (mask) {
+ /* draw some values */
+ for (i=0; i<n; i++, offset++) {
+ if (mask[i]) {
+ vl_setz(offset, depth[i]);
+ }
+ }
+ } else {
+ /* draw all values */
+ for (i=0; i<n; i++, offset++) {
+ vl_setz(offset, depth[i]);
+ }
+ }
+}
+
+
+
+static void read_depth_span (GLcontext *ctx, GLuint n, GLint x, GLint y,
+ GLdepth depth[])
+{
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint i, offset;
+
+ offset = DSTRIDE * FLIP(y) + x;
+ /* read all values */
+ for (i=0; i<n; i++, offset++) {
+ depth[i] = vl_getz(offset);
+ }
+}
+
+
+
+static void write_depth_pixels (GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLdepth depth[], const GLubyte mask[])
+{
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint i, _w_ = DSTRIDE, _b_ = dmesa->Buffer->height - 1;
+
+ if (mask) {
+ /* draw some values */
+ for (i=0; i<n; i++) {
+ if (mask[i]) {
+ vl_setz(FLIP2(y[i])*_w_ + x[i], depth[i]);
+ }
+ }
+ } else {
+ /* draw all values */
+ for (i=0; i<n; i++) {
+ vl_setz(FLIP2(y[i])*_w_ + x[i], depth[i]);
+ }
+ }
+}
+
+
+
+static void read_depth_pixels (GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ GLdepth depth[])
+{
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint i, _w_ = DSTRIDE, _b_ = dmesa->Buffer->height - 1;
+
+ /* read all values */
+ for (i=0; i<n; i++) {
+ depth[i] = vl_getz(FLIP2(y[i])*_w_ + x[i]);
+ }
+}
+#endif /* MATROX */
@@ -439,74 +575,105 @@ static void read_index_pixels (const GLcontext *ctx,
***************************************************************************/
/*
- * flat, NON-depth-buffered, triangle.
+ * NON-depth-buffered flat triangle.
*/
static void tri_rgb_flat (GLcontext *ctx,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2)
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
- GLuint w = c->Buffer->width, b = c->Buffer->height - 1;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint _b_ = dmesa->Buffer->height - 1;
+#ifndef MATROX
+ GLuint _w_ = dmesa->Buffer->width;
#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.end; i++, offset++) { \
- vl_putpixel(offset, rgb); \
+#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"
+#else /* MATROX */
+ MGAvertex m0, m1, m2;
+ m0.win[0] = v0->win[0];
+ m0.win[1] = FLIP2(v0->win[1]);
+ m1.win[0] = v1->win[0];
+ m1.win[1] = FLIP2(v1->win[1]);
+ m2.win[0] = v2->win[0];
+ m2.win[1] = FLIP2(v2->win[1]);
+ *(unsigned long *)m2.color = *(unsigned long *)v2->color;
+ mga_draw_tri_rgb_flat((int)SWRAST_CONTEXT(ctx)->_backface_sign, &m0, &m1, &m2);
+#endif /* MATROX */
}
/*
- * flat, depth-buffered, triangle.
+ * Z-less flat triangle.
*/
-static void tri_rgb_flat_z (GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2)
+static void tri_rgb_flat_zless (GLcontext *ctx,
+ const SWvertex *v0,
+ const SWvertex *v1,
+ const SWvertex *v2)
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
- GLuint w = c->Buffer->width, b = c->Buffer->height - 1;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint _b_ = dmesa->Buffer->height - 1;
+#ifndef MATROX
+ GLuint _w_ = dmesa->Buffer->width;
#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.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; \
+#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"
+#else /* MATROX */
+ MGAvertex m0, m1, m2;
+ m0.win[0] = v0->win[0];
+ m0.win[1] = FLIP2(v0->win[1]);
+ m0.win[2] = v0->win[2];
+ m1.win[0] = v1->win[0];
+ m1.win[1] = FLIP2(v1->win[1]);
+ m1.win[2] = v1->win[2];
+ m2.win[0] = v2->win[0];
+ m2.win[1] = FLIP2(v2->win[1]);
+ m2.win[2] = v2->win[2];
+ *(unsigned long *)m2.color = *(unsigned long *)v2->color;
+ mga_draw_tri_rgb_flat_zless((int)SWRAST_CONTEXT(ctx)->_backface_sign, &m0, &m1, &m2);
+#endif /* MATROX */
}
/*
- * smooth, NON-depth-buffered, triangle.
+ * NON-depth-buffered iterated triangle.
*/
-static void tri_rgb_smooth (GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2)
+static void tri_rgb_iter (GLcontext *ctx,
+ const SWvertex *v0,
+ const SWvertex *v1,
+ const SWvertex *v2)
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
- GLuint w = c->Buffer->width, b = c->Buffer->height - 1;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint _b_ = dmesa->Buffer->height - 1;
+#ifndef MATROX
+ GLuint _w_ = dmesa->Buffer->width;
#define INTERP_RGB 1
-#define RENDER_SPAN(span) \
- GLuint i, offset = FLIP2(span.y)*w + span.x; \
+#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; \
@@ -515,27 +682,42 @@ static void tri_rgb_smooth (GLcontext *ctx,
}
#include "swrast/s_tritemp.h"
+#else /* MATROX */
+ MGAvertex m0, m1, m2;
+ m0.win[0] = v0->win[0];
+ m0.win[1] = FLIP2(v0->win[1]);
+ m1.win[0] = v1->win[0];
+ m1.win[1] = FLIP2(v1->win[1]);
+ m2.win[0] = v2->win[0];
+ m2.win[1] = FLIP2(v2->win[1]);
+ *(unsigned long *)m0.color = *(unsigned long *)v0->color;
+ *(unsigned long *)m1.color = *(unsigned long *)v1->color;
+ *(unsigned long *)m2.color = *(unsigned long *)v2->color;
+ mga_draw_tri_rgb_iter((int)SWRAST_CONTEXT(ctx)->_backface_sign, &m0, &m1, &m2);
+#endif /* MATROX */
}
/*
- * smooth, depth-buffered, triangle.
+ * Z-less iterated triangle.
*/
-static void tri_rgb_smooth_z (GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2)
+static void tri_rgb_iter_zless (GLcontext *ctx,
+ const SWvertex *v0,
+ const SWvertex *v1,
+ const SWvertex *v2)
{
- const DMesaContext c = (DMesaContext)ctx->DriverCtx;
- GLuint w = c->Buffer->width, b = c->Buffer->height - 1;
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint _b_ = dmesa->Buffer->height - 1;
+#ifndef MATROX
+ GLuint _w_ = dmesa->Buffer->width;
#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; \
+#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]) { \
@@ -549,6 +731,22 @@ static void tri_rgb_smooth_z (GLcontext *ctx,
}
#include "swrast/s_tritemp.h"
+#else /* MATROX */
+ MGAvertex m0, m1, m2;
+ m0.win[0] = v0->win[0];
+ m0.win[1] = FLIP2(v0->win[1]);
+ m0.win[2] = v0->win[2];
+ m1.win[0] = v1->win[0];
+ m1.win[1] = FLIP2(v1->win[1]);
+ m1.win[2] = v1->win[2];
+ m2.win[0] = v2->win[0];
+ m2.win[1] = FLIP2(v2->win[1]);
+ m2.win[2] = v2->win[2];
+ *(unsigned long *)m0.color = *(unsigned long *)v0->color;
+ *(unsigned long *)m1.color = *(unsigned long *)v1->color;
+ *(unsigned long *)m2.color = *(unsigned long *)v2->color;
+ mga_draw_tri_rgb_iter_zless((int)SWRAST_CONTEXT(ctx)->_backface_sign, &m0, &m1, &m2);
+#endif /* MATROX */
}
@@ -566,7 +764,7 @@ static swrast_tri_func dmesa_choose_tri_function (GLcontext *ctx)
|| (ctx->Polygon.StippleFlag)
|| (ctx->Texture._EnabledUnits)
|| (swrast->_RasterMask & MULTI_DRAW_BIT)
- || ((ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK))) {
+ || (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)) {
return (swrast_tri_func)NULL;
}
@@ -574,11 +772,11 @@ static swrast_tri_func dmesa_choose_tri_function (GLcontext *ctx)
&& 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_smooth_z : tri_rgb_flat_z;
+ 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_smooth : tri_rgb_flat;
+ return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter : tri_rgb_flat;
}
return (swrast_tri_func)NULL;
@@ -601,25 +799,210 @@ static void dmesa_choose_tri (GLcontext *ctx)
/****************************************************************************
+ * Optimized line rendering
+ ***************************************************************************/
+
+#ifdef MATROX
+static __inline void matrox_line_clip_hack (GLcontext *ctx, int _b_, MGAvertex *m0, const SWvertex *vert0, MGAvertex *m1, const SWvertex *vert1)
+{
+ int x0 = vert0->win[0];
+ int y0 = vert0->win[1];
+ int x1 = vert1->win[0];
+ int y1 = vert1->win[1];
+ /* s_linetemp.h { */
+ GLint w = ctx->DrawBuffer->Width;
+ GLint h = ctx->DrawBuffer->Height;
+ if ((x0==w) | (x1==w)) {
+ if ((x0==w) & (x1==w))
+ return;
+ x0 -= x0==w;
+ x1 -= x1==w;
+ }
+ if ((y0==h) | (y1==h)) {
+ if ((y0==h) & (y1==h))
+ return;
+ y0 -= y0==h;
+ y1 -= y1==h;
+ }
+ /* } s_linetemp.h */
+ m0->win[0] = x0;
+ m0->win[1] = FLIP2(y0);
+ m1->win[0] = x1;
+ m1->win[1] = FLIP2(y1);
+}
+#endif
+
+/*
+ * NON-depth-buffered flat line.
+ */
+static void line_rgb_flat (GLcontext *ctx,
+ const SWvertex *vert0,
+ const SWvertex *vert1)
+{
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint _b_ = dmesa->Buffer->height - 1;
+#ifndef MATROX
+ GLuint _w_ = dmesa->Buffer->width;
+ GLuint rgb = vl_mixrgb(vert1->color);
+
+#define INTERP_XY 1
+#define CLIP_HACK 1
+#define PLOT(X,Y) vl_putpixel(FLIP2(Y) * _w_ + X, rgb);
+
+#include "swrast/s_linetemp.h"
+#else
+ MGAvertex m0, m1;
+ matrox_line_clip_hack(ctx, _b_, &m0, vert0, &m1, vert1);
+ *(unsigned long *)m1.color = *(unsigned long *)vert1->color;
+ mga_draw_line_rgb_flat(&m0, &m1);
+#endif
+}
+
+
+
+/*
+ * Z-less flat line.
+ */
+static void line_rgb_flat_zless (GLcontext *ctx,
+ const SWvertex *vert0,
+ const SWvertex *vert1)
+{
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint _b_ = dmesa->Buffer->height - 1;
+#ifndef MATROX
+ GLuint _w_ = dmesa->Buffer->width;
+ GLuint rgb = vl_mixrgb(vert1->color);
+
+#define INTERP_XY 1
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define CLIP_HACK 1
+#define PLOT(X,Y) \
+ if (Z < *zPtr) { \
+ *zPtr = Z; \
+ vl_putpixel(FLIP2(Y) * _w_ + X, rgb); \
+ }
+
+#include "swrast/s_linetemp.h"
+#else
+ MGAvertex m0, m1;
+ matrox_line_clip_hack(ctx, _b_, &m0, vert0, &m1, vert1);
+ m0.win[2] = vert0->win[2];
+ m1.win[2] = vert1->win[2];
+ *(unsigned long *)m1.color = *(unsigned long *)vert1->color;
+ mga_draw_line_rgb_flat_zless(&m0, &m1);
+#endif
+}
+
+
+
+#ifndef MATROX
+#define line_rgb_iter NULL
+#define line_rgb_iter_zless NULL
+#else /* MATROX */
+/*
+ * NON-depth-buffered iterated line.
+ */
+static void line_rgb_iter (GLcontext *ctx,
+ const SWvertex *vert0,
+ const SWvertex *vert1)
+{
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint _b_ = dmesa->Buffer->height - 1;
+ MGAvertex m0, m1;
+ matrox_line_clip_hack(ctx, _b_, &m0, vert0, &m1, vert1);
+ *(unsigned long *)m0.color = *(unsigned long *)vert0->color;
+ *(unsigned long *)m1.color = *(unsigned long *)vert1->color;
+ mga_draw_line_rgb_iter(&m0, &m1);
+}
+
+
+
+/*
+ * Z-less iterated line.
+ */
+static void line_rgb_iter_zless (GLcontext *ctx,
+ const SWvertex *vert0,
+ const SWvertex *vert1)
+{
+ const DMesaContext dmesa = (DMesaContext)ctx->DriverCtx;
+ GLuint _b_ = dmesa->Buffer->height - 1;
+ MGAvertex m0, m1;
+ matrox_line_clip_hack(ctx, _b_, &m0, vert0, &m1, vert1);
+ m0.win[2] = vert0->win[2];
+ m1.win[2] = vert1->win[2];
+ *(unsigned long *)m0.color = *(unsigned long *)vert0->color;
+ *(unsigned long *)m1.color = *(unsigned long *)vert1->color;
+ mga_draw_line_rgb_iter_zless(&m0, &m1);
+}
+#endif /* MATROX */
+
+
+
+/*
+ * 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 void clear_index (GLcontext *ctx, GLuint index)
{
- DMesaContext c = (DMesaContext)ctx->DriverCtx;
-
- c->ClearIndex = index;
+ ((DMesaContext)ctx->DriverCtx)->ClearIndex = index;
}
static void clear_color (GLcontext *ctx, const GLfloat color[4])
{
GLubyte col[4];
- DMesaContext c = (DMesaContext)ctx->DriverCtx;
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]);
- c->ClearColor = vl_mixrgba(col);
+ ((DMesaContext)ctx->DriverCtx)->ClearColor = vl_mixrgba(col);
}
@@ -640,6 +1023,7 @@ static void clear (GLcontext *ctx, GLbitfield mask, GLboolean all,
/* we can't handle color or index masking */
if ((*colorMask == 0xffffffff) && (ctx->Color.IndexMask == 0xffffffff)) {
+#ifndef MATROX
if (mask & DD_BACK_LEFT_BIT) {
int color = c->visual->rgb_flag ? c->ClearColor : c->ClearIndex;
@@ -651,6 +1035,27 @@ static void clear (GLcontext *ctx, GLbitfield mask, GLboolean all,
mask &= ~DD_BACK_LEFT_BIT;
}
+#else /* MATROX */
+ unsigned short z = -1;
+ int color = c->ClearColor;
+ if (mask & DD_DEPTH_BIT) {
+ z = ctx->Depth.Clear * 0xffff;
+ }
+ if (all) {
+ mga_clear(mask & DD_FRONT_LEFT_BIT,
+ mask & DD_BACK_LEFT_BIT,
+ mask & DD_DEPTH_BIT,
+ 0, 0, c->Buffer->width, c->Buffer->height,
+ color, z);
+ } else {
+ mga_clear(mask & DD_FRONT_LEFT_BIT,
+ mask & DD_BACK_LEFT_BIT,
+ mask & DD_DEPTH_BIT,
+ x, y, width, height,
+ color, z);
+ }
+ mask &= ~(DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT | DD_DEPTH_BIT);
+#endif /* MATROX */
}
if (mask) {
@@ -688,7 +1093,14 @@ static const GLubyte* get_string (GLcontext *ctx, GLenum name)
{
switch (name) {
case GL_RENDERER:
- return (const GLubyte *)"Mesa DJGPP\0port (c) Borca Daniel dec-2002";
+ return (const GLubyte *)"Mesa DJGPP"
+ #ifdef FX
+ " (FX)"
+ #endif
+ #ifdef MATROX
+ " (MGA)"
+ #endif
+ "\0port (c) Borca Daniel feb-2003";
default:
return NULL;
}
@@ -717,6 +1129,13 @@ static void flush (GLcontext *ctx)
/****************************************************************************
* 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 | \
@@ -731,8 +1150,10 @@ 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->invalidate_line |= DMESA_NEW_LINE;
swrast->invalidate_triangle |= DMESA_NEW_TRIANGLE;
}
@@ -808,22 +1229,21 @@ static void dmesa_init_pointers (GLcontext *ctx)
/* Install swsetup for tnl->Driver.Render.*:
*/
_swsetup_Wakeup(ctx);
-}
-
-
-static void dmesa_update_state (GLcontext *ctx, GLuint new_state)
-{
- struct swrast_device_driver *dd = _swrast_GetDeviceDriverReference(ctx);
-
- /* Propogate statechange information to swrast and swrast_setup
- * modules. The DMesa driver has no internal GL-dependent state.
+ /* The span functions should be in `dmesa_update_state', but I'm
+ * pretty sure they will never change during the life of the Visual
*/
- _swrast_InvalidateState( ctx, new_state );
- _ac_InvalidateState( ctx, new_state );
- _tnl_InvalidateState( ctx, new_state );
- _swsetup_InvalidateState( ctx, new_state );
+#ifdef MATROX
+ if (((DMesaContext)ctx->DriverCtx)->visual->zbuffer == -1) {
+ /* Depth span/pixel functions */
+ dd->WriteDepthSpan = write_depth_span;
+ dd->WriteDepthPixels = write_depth_pixels;
+ dd->ReadDepthSpan = read_depth_span;
+ dd->ReadDepthPixels = read_depth_pixels;
+ }
+#endif
+#ifndef MATROX
/* Index span/pixel functions */
dd->WriteCI32Span = write_index_span;
dd->WriteCI8Span = write_index8_span;
@@ -832,6 +1252,7 @@ static void dmesa_update_state (GLcontext *ctx, GLuint new_state)
dd->WriteMonoCIPixels = write_mono_index_pixels;
dd->ReadCI32Span = read_index_span;
dd->ReadCI32Pixels = read_index_pixels;
+#endif
/* RGB(A) span/pixel functions */
dd->WriteRGBASpan = write_rgba_span;
@@ -842,7 +1263,20 @@ static void dmesa_update_state (GLcontext *ctx, GLuint new_state)
dd->ReadRGBASpan = read_rgba_span;
dd->ReadRGBAPixels = read_rgba_pixels;
}
-#endif
+
+
+
+static void dmesa_update_state (GLcontext *ctx, GLuint new_state)
+{
+ /* Propogate 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 );
+}
+#endif /* FX */
@@ -868,9 +1302,15 @@ DMesaVisual DMesaCreateVisual (GLint width,
DMesaVisual v;
GLint redBits, greenBits, blueBits, alphaBits, indexBits;
+#ifndef MATROX
if (!dbFlag) {
return NULL;
}
+#else
+ if (!rgbFlag) {
+ return NULL;
+ }
+#endif
alphaBits = 0;
@@ -909,9 +1349,15 @@ DMesaVisual DMesaCreateVisual (GLint width,
}
}
+#ifndef MATROX
if ((colDepth=vl_video_init(width, height, colDepth, rgbFlag, refresh)) <= 0) {
return NULL;
}
+#else
+ if (mga_open(width, height, colDepth, dbFlag ? 2 : 1, depthSize == 16, refresh) < 0) {
+ return NULL;
+ }
+#endif
if (alphaFlag && (alphaBits==0)) {
alphaBits = 8;
@@ -938,11 +1384,19 @@ DMesaVisual DMesaCreateVisual (GLint width,
v->depth = colDepth;
v->db_flag = dbFlag;
v->rgb_flag = rgbFlag;
+
+ v->zbuffer = (depthSize > 0) ? 1 : 0;
+#ifdef MATROX
+ mga_get(MGA_GET_HPIXELS, &v->stride_in_pixels);
+ if (depthSize == 16) {
+ v->zbuffer = -1;
+ }
+#endif
}
return v;
-#else
+#else /* FX */
int i = 0, fx_attrib[32];
@@ -958,7 +1412,7 @@ DMesaVisual DMesaCreateVisual (GLint width,
fx_attrib[i] = FXMESA_NONE;
return (DMesaVisual)fxMesaCreateBestContext(-1, width, height, fx_attrib);
-#endif
+#endif /* FX */
}
@@ -969,8 +1423,13 @@ void DMesaDestroyVisual (DMesaVisual v)
_mesa_destroy_visual(v->gl_visual);
free(v);
+#ifndef MATROX
vl_video_exit();
#else
+ mga_close(1, 1);
+#endif
+
+#else
fxMesaDestroyContext((fxMesaContext)v);
#endif
}
@@ -988,7 +1447,7 @@ DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,
_mesa_initialize_framebuffer(&b->gl_buffer,
visual->gl_visual,
- visual->gl_visual->depthBits > 0,
+ visual->zbuffer == 1,
visual->gl_visual->stencilBits > 0,
visual->gl_visual->accumRedBits > 0,
visual->gl_visual->alphaBits > 0);
@@ -1009,7 +1468,9 @@ DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,
void DMesaDestroyBuffer (DMesaBuffer b)
{
#ifndef FX
+#ifndef MATROX
free(b->the_window);
+#endif
_mesa_free_framebuffer_data(&b->gl_buffer);
free(b);
#endif
@@ -1050,10 +1511,9 @@ DMesaContext DMesaCreateContext (DMesaVisual visual,
return c;
-#else
-
+#else /* FX */
return (DMesaContext)visual;
-#endif
+#endif /* FX */
}
@@ -1076,7 +1536,7 @@ void DMesaDestroyContext (DMesaContext c)
GLboolean DMesaMoveBuffer (GLint xpos, GLint ypos)
{
-#ifndef FX
+#if !defined(FX) && !defined(MATROX)
GET_CURRENT_CONTEXT(ctx);
DMesaBuffer b = ((DMesaContext)ctx->DriverCtx)->Buffer;
@@ -1089,7 +1549,6 @@ GLboolean DMesaMoveBuffer (GLint xpos, GLint ypos)
}
#else
-
return GL_FALSE;
#endif
}
@@ -1098,7 +1557,7 @@ GLboolean DMesaMoveBuffer (GLint xpos, GLint ypos)
GLboolean DMesaResizeBuffer (GLint width, GLint height)
{
-#ifndef FX
+#if !defined(FX) && !defined(MATROX)
GET_CURRENT_CONTEXT(ctx);
DMesaBuffer b = ((DMesaContext)ctx->DriverCtx)->Buffer;
@@ -1111,7 +1570,6 @@ GLboolean DMesaResizeBuffer (GLint width, GLint height)
}
#else
-
return GL_FALSE;
#endif
}
@@ -1125,9 +1583,11 @@ GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)
{
#ifndef FX
if ((c != NULL) && (b != NULL)) {
+#ifndef MATROX
if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, b->width, b->height) != 0) {
return GL_FALSE;
}
+#endif
c->Buffer = b;
@@ -1142,7 +1602,6 @@ GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)
}
#else
-
fxMesaMakeCurrent((fxMesaContext)c);
#endif
@@ -1157,8 +1616,14 @@ void DMesaSwapBuffers (DMesaBuffer b)
#ifndef FX
GET_CURRENT_CONTEXT(ctx);
_mesa_notifySwapBuffers(ctx);
+#ifndef MATROX
vl_flip();
#else
+ if (((DMesaContext)ctx->DriverCtx)->visual->db_flag) {
+ mga_swapbuffers(1);
+ }
+#endif
+#else
fxMesaSwapBuffers();
#endif
}
@@ -1167,14 +1632,26 @@ void DMesaSwapBuffers (DMesaBuffer b)
void DMesaSetCI (int ndx, GLfloat red, GLfloat green, GLfloat blue)
{
-#ifndef FX
+#if !defined(FX) && !defined(MATROX)
vl_setCI(ndx, red, green, blue);
#endif
}
-void DMesaGetIntegerv (GLenum pname, GLint *params)
+DMesaContext DMesaGetCurrentContext (void)
+{
+#ifndef FX
+ GET_CURRENT_CONTEXT(ctx);
+ return (ctx == NULL) ? NULL : (DMesaContext)ctx->DriverCtx;
+#else
+ return (DMesaContext)fxMesaGetCurrentContext();
+#endif
+}
+
+
+
+int DMesaGetIntegerv (GLenum pname, GLint *params)
{
#ifndef FX
GET_CURRENT_CONTEXT(ctx);
@@ -1184,33 +1661,36 @@ void DMesaGetIntegerv (GLenum pname, GLint *params)
#endif
if (c == NULL) {
- return;
+ return -1;
}
switch (pname) {
- case DMESA_Y_ORIGIN:
+ case DMESA_GET_SCREEN_SIZE:
#ifndef FX
- params[0] = GL_FALSE;
+ #ifndef MATROX
+ vl_get(VL_GET_SCREEN_SIZE, params);
#else
- params[0] = GL_TRUE;
+ mga_get(MGA_GET_SCREEN_SIZE, params);
#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:
+ case DMESA_GET_DRIVER_CAPS:
#ifndef FX
- params[0] = GL_FALSE;
+ #ifndef MATROX
+ params[0] = DMESA_DRIVER_SWDB_BIT;
#else
- params[0] = !c->bgrOrder;
+ params[0] = 0;
+ #endif
+ #else
+ params[0] = DMESA_DRIVER_LLWO_BIT;
#endif
break;
default:
- break;
+ return -1;
}
+
+ return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 06:11:45 +0000