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XQuartz: Cleanup getGlCapabilities to avoid hardcoding the number of displays

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This commit is contained in:
Jeremy Huddleston 2009-07-16 17:20:16 -07:00
parent 45045eb396
commit 12f7365f1f
1 changed files with 18 additions and 39 deletions
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57
hw/xquartz/GL/capabilities.c
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@ -425,7 +425,7 @@ static CGLError handleRendererDescriptions(CGLRendererInfoObj info, GLint r,
handleAccumulationModes(c, flags);
return 0;
return kCGLNoError;
}
static void initCapabilities(struct glCapabilities *cap) {
@ -491,56 +491,36 @@ void freeGlCapabilities(struct glCapabilities *cap) {
cap->configurations = NULL;
}
#define MAX_DISPLAYS 32
/*Return true if an error occured. */
bool getGlCapabilities(struct glCapabilities *cap) {
CGDirectDisplayID dspys[MAX_DISPLAYS];
CGDisplayErr err;
CGOpenGLDisplayMask displayMask;
CGDisplayCount i, displayCount = 0;
CGLRendererInfoObj info;
CGLError err;
GLint numRenderers = 0, r;
initCapabilities(cap);
err = CGGetActiveDisplayList(MAX_DISPLAYS, dspys, &displayCount);
err = CGLQueryRendererInfo((GLuint)-1, &info, &numRenderers);
if(err) {
fprintf(stderr, "CGGetActiveDisplayList error: %s\n", CGLErrorString(err));
return true;
}
for(i = 0; i < displayCount; ++i) {
displayMask = CGDisplayIDToOpenGLDisplayMask(dspys[i]);
CGLRendererInfoObj info;
GLint numRenderers = 0, r, renderCount = 0;
err = CGLQueryRendererInfo(displayMask, &info, &numRenderers);
if(err) {
fprintf(stderr, "CGLQueryRendererInfo error: %s\n", CGLErrorString(err));
fprintf(stderr, "trying to continue...\n");
continue;
return err;
}
CGLDescribeRenderer(info, 0, kCGLRPRendererCount, &renderCount);
for(r = 0; r < renderCount; ++r) {
CGLError derr;
for(r = 0; r < numRenderers; r++) {
struct glCapabilitiesConfig tmpconf, *conf;
initConfig(&tmpconf);
derr = handleRendererDescriptions(info, r, &tmpconf);
if(derr) {
fprintf(stderr, "error: %s\n", CGLErrorString(derr));
fprintf(stderr, "trying to continue...\n");
continue;
err = handleRendererDescriptions(info, r, &tmpconf);
if(err) {
fprintf(stderr, "handleRendererDescriptions returned error: %s\n", CGLErrorString(err));
fprintf(stderr, "trying to continue...\n");
continue;
}
conf = malloc(sizeof(*conf));
if(NULL == conf) {
perror("malloc");
abort();
perror("malloc");
abort();
}
/* Copy the struct. */
@ -551,9 +531,8 @@ bool getGlCapabilities(struct glCapabilities *cap) {
cap->configurations = conf;
}
CGLDestroyRendererInfo(info);
}
CGLDestroyRendererInfo(info);
/* No error occured. We are done. */
return false;
return kCGLNoError;
}