diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2002-02-23 17:11:27 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2002-02-23 17:11:27 +0000 |
| commit | e0193a9425807cc61779c3b8680c5b551685ba65 (patch) | |
| tree | b3dacd48e37032f60b2b450a68d406d9deee2e1e /src/glut/dos/window.c | |
| parent | c7a3356746b8751fa0f04c8c0b674e26d73fdb76 (diff) | |
DOS updates from Daniel Borca
Diffstat (limited to 'src/glut/dos/window.c')
| -rw-r--r-- | src/glut/dos/window.c | 106 |
1 files changed, 75 insertions, 31 deletions
diff --git a/src/glut/dos/window.c b/src/glut/dos/window.c index 6d52524dfb..c110715ebb 100644 --- a/src/glut/dos/window.c +++ b/src/glut/dos/window.c @@ -19,7 +19,7 @@ */
/*
- * DOS/DJGPP glut driver v0.1 for Mesa 4.0
+ * DOS/DJGPP glut driver v0.2 for Mesa 4.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@@ -32,50 +32,89 @@ #include "internal.h"
+
+static int window;
+
static DMesaVisual visual = NULL;
static DMesaContext context = NULL;
-static DMesaBuffer buffer = NULL;
+static DMesaBuffer buffer[MAX_WINDOWS];
+
static void clean (void)
{
- __asm__("movw $3, %%ax; int $0x10":::"%eax");
+ int i;
+
+ for (i=0; i<MAX_WINDOWS; i++) {
+ glutDestroyWindow(i+1);
+ }
+ if (context) DMesaDestroyContext(context);
+ if (visual) DMesaDestroyVisual(visual);
+
pc_close_stdout();
pc_close_stderr();
}
-int APIENTRY glutCreateWindow (const char *title)
-{
- if ((visual=DMesaCreateVisual(COLOR_DEPTH,
- g_display_mode & GLUT_DOUBLE,
- g_display_mode & GLUT_DEPTH ?DEPTH_SIZE :0,
- g_display_mode & GLUT_STENCIL?STENCIL_SIZE:0,
- g_display_mode & GLUT_ACCUM ?ACCUM_SIZE :0))==NULL) {
- return GL_FALSE;
- }
- if ((context=DMesaCreateContext(visual, NULL))==NULL) {
- DMesaDestroyVisual(visual);
- return GL_FALSE;
- }
- if ((buffer=DMesaCreateBuffer(visual, g_width, g_height, g_xpos, g_ypos))==NULL) {
- DMesaDestroyContext(context);
- DMesaDestroyVisual(visual);
- return GL_FALSE;
+int APIENTRY glutCreateWindow (const char *title)
+{
+ int i;
+
+ if (!visual) {
+ int screen_w = DEFAULT_WIDTH;
+ int screen_h = DEFAULT_HEIGHT;
+
+ if ((g_width<=640) && (g_height<=480)) {
+ screen_w = 640;
+ screen_h = 480;
+ } else if ((g_width<=800) && (g_height<=600)) {
+ screen_w = 800;
+ screen_h = 600;
+ } else if ((g_width<=1024) && (g_height<=768)) {
+ screen_w = 1024;
+ screen_h = 768;
+ }
+
+ if ((visual=DMesaCreateVisual(screen_w, screen_h, DEFAULT_BPP,
+ g_display_mode & GLUT_DOUBLE,
+ g_display_mode & GLUT_DEPTH ?DEPTH_SIZE :0,
+ g_display_mode & GLUT_STENCIL?STENCIL_SIZE:0,
+ g_display_mode & GLUT_ACCUM ?ACCUM_SIZE :0))==NULL) {
+ return 0;
+ }
+
+ if ((context=DMesaCreateContext(visual, NULL))==NULL) {
+ DMesaDestroyVisual(visual);
+ return 0;
+ }
+
+ pc_open_stdout();
+ pc_open_stderr();
+ pc_atexit(clean);
}
- if (!DMesaMakeCurrent(context, buffer)) {
- DMesaDestroyContext(context);
- DMesaDestroyVisual(visual);
- return GL_FALSE;
+ for (i=0; i<MAX_WINDOWS; i++) {
+ if (!buffer[i]) {
+ DMesaBuffer b;
+
+ if ((b=DMesaCreateBuffer(visual, g_xpos, g_ypos, g_width, g_height))==NULL) {
+ return 0;
+ }
+ if (!DMesaMakeCurrent(context, b)) {
+ DMesaDestroyBuffer(b);
+ return 0;
+ }
+ if (g_mouse) {
+ pc_mouse_area(g_xpos, g_ypos, g_xpos + g_width - 1, g_ypos + g_height - 1);
+ }
+
+ buffer[window = i] = b;
+ return i+1;
+ }
}
- pc_open_stdout();
- pc_open_stderr();
- pc_atexit(clean);
-
- return GL_TRUE;
+ return 0;
}
@@ -87,6 +126,10 @@ int APIENTRY glutCreateSubWindow (int win, int x, int y, int width, int height) void APIENTRY glutDestroyWindow (int win)
{
+ if (buffer[win-1]) {
+ DMesaDestroyBuffer(buffer[win-1]);
+ buffer[win-1] = NULL;
+ }
}
@@ -99,19 +142,20 @@ void APIENTRY glutPostRedisplay (void) void APIENTRY glutSwapBuffers (void)
{
if (g_mouse) pc_scare_mouse();
- DMesaSwapBuffers(buffer);
+ DMesaSwapBuffers(buffer[window]);
if (g_mouse) pc_unscare_mouse();
}
int APIENTRY glutGetWindow (void)
{
- return 0;
+ return window + 1;
}
void APIENTRY glutSetWindow (int win)
{
+ window = win - 1;
}
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