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DOS driver updates from Daniel Borca

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This commit is contained in:
Brian Paul
2002-03-08 19:27:17 +00:00
parent 7fd50afbbf
commit b43a828ad4
3 changed files with 78 additions and 126 deletions
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173
src/mesa/drivers/dos/dmesa.c
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@@ -23,7 +23,7 @@
*/
/*
* DOS/DJGPP device driver v0.2 for Mesa 4.0
* DOS/DJGPP device driver v0.3 for Mesa 4.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@@ -66,10 +66,9 @@
*/
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 */
};
/*
@@ -82,12 +81,7 @@ struct dmesa_buffer {
int xpos, ypos; /* position */
int width, height; /* size in pixels */
int pitch, len; /* number of bytes in a line, then total */
int cwidth; /* scan width */
int caps; /* video mode capabilities */
void (*tri_rgb_flat) ();
int bwidth, len; /* bytes in a line, then total */
};
/*
@@ -126,7 +120,7 @@ static void write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
void *b = c->Buffer->the_window;
GLuint i, offset;
offset = c->Buffer->cwidth * FLIP(y) + x;
offset = c->Buffer->width * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
@@ -149,7 +143,7 @@ static void write_rgb_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
void *b = c->Buffer->the_window;
GLuint i, offset;
offset = c->Buffer->cwidth * FLIP(y) + x;
offset = c->Buffer->width * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
@@ -173,7 +167,7 @@ static void write_mono_rgba_span (const GLcontext *ctx,
void *b = c->Buffer->the_window;
GLuint i, offset, rgba = vl_mixrgba(color);
offset = c->Buffer->cwidth * FLIP(y) + x;
offset = c->Buffer->width * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
@@ -196,7 +190,7 @@ static void read_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
void *b = c->Buffer->the_window;
GLuint i, offset;
offset = c->Buffer->cwidth * FLIP(y) + x;
offset = c->Buffer->width * FLIP(y) + x;
/* read all pixels */
for (i=0; i<n; i++, offset++) {
vl_getrgba(b, offset, rgba[i]);
@@ -209,7 +203,7 @@ static void write_rgba_pixels (const GLcontext *ctx,
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint i, w = c->Buffer->cwidth, h = c->Buffer->height;
GLuint i, w = c->Buffer->width, h = c->Buffer->height;
if (mask) {
/* draw some pixels */
@@ -232,7 +226,7 @@ static void write_mono_rgba_pixels (const GLcontext *ctx,
{
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);
GLuint i, w = c->Buffer->width, h = c->Buffer->height, rgba = vl_mixrgba(color);
if (mask) {
/* draw some pixels */
@@ -255,7 +249,7 @@ static void read_rgba_pixels (const GLcontext *ctx,
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint i, w = c->Buffer->cwidth, h = c->Buffer->height;
GLuint i, w = c->Buffer->width, h = c->Buffer->height;
if (mask) {
/* read some pixels */
@@ -290,24 +284,17 @@ static void tri_rgb_flat (GLcontext *ctx,
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint w = c->Buffer->cwidth, h = c->Buffer->height;
GLuint w = c->Buffer->width, 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); \
}
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"
}
}
@@ -322,22 +309,22 @@ static void tri_rgb_flat_z (GLcontext *ctx,
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint w = c->Buffer->cwidth, h = c->Buffer->height;
GLuint w = c->Buffer->width, 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; \
}
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"
}
@@ -354,21 +341,21 @@ static void tri_rgb_smooth (GLcontext *ctx,
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint w = c->Buffer->cwidth, h = c->Buffer->height;
GLuint w = c->Buffer->width, 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; \
}
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"
}
@@ -385,29 +372,29 @@ static void tri_rgb_smooth_z (GLcontext *ctx,
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint w = c->Buffer->cwidth, h = c->Buffer->height;
GLuint w = c->Buffer->width, 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; \
}
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"
}
@@ -505,26 +492,12 @@ static void clear (GLcontext *ctx, GLbitfield mask, GLboolean all,
if (*colorMask==0xffffffff) {
if (mask & DD_BACK_LEFT_BIT) {
if (all) {
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);
}
vl_clear(b->the_window, b->len, c->ClearColor);
} else {
vl_clear(b->the_window, x, y, width, height, c->ClearColor);
vl_rect(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) {
@@ -553,7 +526,7 @@ static void set_read_buffer (GLcontext *ctx, GLframebuffer *buffer,
*/
static GLboolean set_draw_buffer (GLcontext *ctx, GLenum mode)
{
if (mode==GL_BACK_LEFT || mode==GL_FRONT_LEFT) {
if (mode==GL_BACK_LEFT) {
return GL_TRUE;
} else {
return GL_FALSE;
@@ -756,8 +729,10 @@ DMesaVisual DMesaCreateVisual (GLint width, GLint height, GLint colDepth,
{
DMesaVisual v;
GLint redBits, greenBits, blueBits, alphaBits;
GLint caps;
if (!dbFlag) {
return NULL;
}
alphaBits = 0;
switch (colDepth) {
case 15:
@@ -781,11 +756,7 @@ DMesaVisual DMesaCreateVisual (GLint width, GLint height, GLint colDepth,
return NULL;
}
caps = 0;
if (!dbFlag) {
caps |= VL_SINGLE;
}
if (vl_video_init(width, height, colDepth, &caps)!=0) {
if (vl_video_init(width, height, colDepth)!=0) {
return NULL;
}
@@ -808,7 +779,7 @@ DMesaVisual DMesaCreateVisual (GLint width, GLint height, GLint colDepth,
1); /* numSamples */
v->depth = colDepth;
v->caps = caps;
v->db_flag = dbFlag;
}
return v;
@@ -818,7 +789,7 @@ DMesaVisual DMesaCreateVisual (GLint width, GLint height, GLint colDepth,
void DMesaDestroyVisual (DMesaVisual v)
{
vl_video_exit();
vl_video_exit(!0);
_mesa_destroy_visual(v->gl_visual);
free(v);
}
@@ -841,12 +812,9 @@ DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,
b->xpos = xpos;
b->ypos = ypos;
b->width = width;
b->bwidth = width * ((visual->depth+7)/8);
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);
b->len = b->bwidth * b->height;
}
return b;
@@ -856,9 +824,7 @@ DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,
void DMesaDestroyBuffer (DMesaBuffer b)
{
if CHECK_SOFTDB(b->caps) {
free(b->the_window);
}
free(b->the_window);
_mesa_destroy_framebuffer(b->gl_buffer);
free(b);
}
@@ -911,13 +877,10 @@ void DMesaDestroyContext (DMesaContext c)
GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)
{
if (c&&b) {
void *ptr = vl_sync_buffer(b->the_window, b->xpos, b->ypos, b->width, b->height, &b->cwidth);
if (b->cwidth==-1) {
if ((b->the_window=vl_sync_buffer(b->the_window, b->xpos, b->ypos, b->width, b->height))==NULL) {
return GL_FALSE;
}
b->the_window = ptr;
c->Buffer = b;
dmesa_update_state(c->gl_ctx, 0);
@@ -939,5 +902,5 @@ GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)
void DMesaSwapBuffers (DMesaBuffer b)
{
/* copy/swap back buffer to front if applicable */
b->the_window = vl_flip(b->the_window, b->width, b->height, b->pitch);
vl_flip(b->the_window, b->bwidth, b->height);
}