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Added a fix for when GLX_ALPHA_SIZE cant be set (I think this happens 

when display depth is below 24.)

There might be a better way to handle this... but this lets lwjgl work
for me. =)
This commit is contained in:
Luke Holden 2002-11-26 03:30:41 +00:00
parent 2b814af9f7
commit f02005efd9
1 changed files with 27 additions and 3 deletions
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30
src/native/linux/org_lwjgl_Display.cpp
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@ -102,8 +102,26 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_Display_nCreate(JNIEnv * env, jclass c
Colormap cmap;
int attribmask;
int bpe = bpp/4;
int attriblist[] = {GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 24, GLX_RED_SIZE, bpe, GLX_GREEN_SIZE, bpe, GLX_BLUE_SIZE, bpe, GLX_ALPHA_SIZE, bpe, None};
int num_modes, i;
int attriblist[] = { GLX_RGBA,
GLX_DOUBLEBUFFER,
GLX_DEPTH_SIZE, 24,
GLX_RED_SIZE, bpe,
GLX_GREEN_SIZE, bpe,
GLX_BLUE_SIZE, bpe,
GLX_ALPHA_SIZE, bpe,
None };
int attriblistna[] = { GLX_RGBA,
GLX_DOUBLEBUFFER,
GLX_DEPTH_SIZE, 24,
GLX_RED_SIZE, bpe,
GLX_GREEN_SIZE, bpe,
GLX_BLUE_SIZE, bpe,
None };
int num_modes, i;
current_fullscreen = fullscreen;
current_focused = 0;
@ -125,7 +143,13 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_Display_nCreate(JNIEnv * env, jclass c
root_win = RootWindow(disp, screen);
vis_info = glXChooseVisual(disp, screen, attriblist);
if (vis_info == NULL) {
/* might be a better way to handle not being able to set GLX_ALPHA_SIZE... */
if (vis_info == NULL) {
vis_info = glXChooseVisual(disp, screen, attriblistna);
}
if (vis_info == NULL) {
XCloseDisplay(disp);
#ifdef _DEBUG
printf("Could not choose glx visual\n");