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LINUX: Implemented reference counted display connection to let Cursors be created and destroyed without a window or a mouse

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This commit is contained in:
Elias Naur 2004-04-07 07:46:03 +00:00
parent 4779a2e29f
commit cc367fa4b5
7 changed files with 175 additions and 144 deletions
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25
src/native/linux/org_lwjgl_opengl_Pbuffer.cpp
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@ -85,7 +85,9 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_Pbuffer_nCreate
jint samples,
jobject pixelFormatCaps, jint pixelFormatCapsSize, jobject pBufferAttribs, jint pBufferAttribsSize)
{
Display *disp = incDisplay(env);
if (disp == NULL)
return 0;
int bpe = convertToBPE(bpp);
int attrib_list[] = {GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_DOUBLEBUFFER, False,
@ -106,34 +108,34 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_Pbuffer_nCreate
attrib_list[20] = GLX_SAMPLES_ARB;
attrib_list[21] = samples;
}
GLXFBConfig *configs = glXChooseFBConfig(getCurrentDisplay(), getCurrentScreen(), attrib_list, &num_configs);
GLXFBConfig *configs = glXChooseFBConfig(disp, getCurrentScreen(), attrib_list, &num_configs);
if (num_configs == 0) {
XFree(configs);
throwException(env, "No matching pixel format");
return -1;
}
int max;
glXGetFBConfigAttrib(getCurrentDisplay(), configs[0], GLX_MAX_PBUFFER_WIDTH, &max);
glXGetFBConfigAttrib(disp, configs[0], GLX_MAX_PBUFFER_WIDTH, &max);
if (max < width) {
XFree(configs);
throwException(env, "Width too large");
return -1;
}
glXGetFBConfigAttrib(getCurrentDisplay(), configs[0], GLX_MAX_PBUFFER_HEIGHT, &max);
glXGetFBConfigAttrib(disp, configs[0], GLX_MAX_PBUFFER_HEIGHT, &max);
if (max < height) {
XFree(configs);
throwException(env, "Height too large");
return -1;
}
GLXContext context = glXCreateNewContext(getCurrentDisplay(), configs[0], GLX_RGBA_TYPE, getCurrentContext(), True);
GLXContext context = glXCreateNewContext(disp, configs[0], GLX_RGBA_TYPE, getCurrentContext(), True);
if (context == NULL) {
XFree(configs);
throwException(env, "Could not create a GLX context");
return false;
}
jboolean allow_software_acceleration = getBooleanProperty(env, "org.lwjgl.opengl.Window.allowSoftwareOpenGL");
if (!allow_software_acceleration && glXIsDirect(getCurrentDisplay(), context) == False) {
glXDestroyContext(getCurrentDisplay(), context);
if (!allow_software_acceleration && glXIsDirect(disp, context) == False) {
glXDestroyContext(disp, context);
XFree(configs);
throwException(env, "Could not create a direct GLX context");
return false;
@ -143,7 +145,7 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_Pbuffer_nCreate
GLX_PRESERVED_CONTENTS, True,
GLX_LARGEST_PBUFFER, False};
GLXPbuffer buffer = glXCreatePbuffer(getCurrentDisplay(), configs[0], buffer_attribs);
GLXPbuffer buffer = glXCreatePbuffer(disp, configs[0], buffer_attribs);
XFree(configs);
PbufferInfo *buffer_info = (PbufferInfo *)malloc(sizeof(PbufferInfo));
buffer_info->buffer = buffer;
@ -162,7 +164,7 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Pbuffer_nMakeCurrent
PbufferInfo *buffer_info = (PbufferInfo *)handle;
GLXPbuffer buffer = buffer_info->buffer;
GLXContext context = buffer_info->context;
if (glXMakeContextCurrent(getCurrentDisplay(), buffer, buffer, context) == False) {
if (glXMakeContextCurrent(getDisplay(), buffer, buffer, context) == False) {
printfDebug("Could not make pbuffer current");
}
}
@ -178,9 +180,10 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Pbuffer_nDestroy
PbufferInfo *buffer_info = (PbufferInfo *)handle;
GLXPbuffer buffer = buffer_info->buffer;
GLXContext context = buffer_info->context;
glXDestroyPbuffer(getCurrentDisplay(), buffer);
glXDestroyContext(getCurrentDisplay(), context);
glXDestroyPbuffer(getDisplay(), buffer);
glXDestroyContext(getDisplay(), context);
free(buffer_info);
decDisplay();
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Pbuffer_nSetAttrib