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#include "gl4java_drawable_Win32SunJDK13GLDrawableFactory.h"
#include "OpenGL_Win32_common.h"
/* FIXME: extend to support multiple monitors on Win2K/98 */
static HDC getScreenDC(int screen)
{
return CreateDC("DISPLAY", NULL, NULL, NULL);
}
static void freeScreenDC(HDC dc)
{
DeleteDC(dc);
}
JNIEXPORT jlong JNICALL Java_gl4java_drawable_Win32SunJDK13GLDrawableFactory_ChoosePixelFormatNum
(JNIEnv *env, jclass unused, jint screen, jobject capsObj, jboolean verbose)
{
HDC dc;
PIXELFORMATDESCRIPTOR pfd;
jboolean ok;
GLCapabilities glCaps;
int nPixelFormat;
ok = javaGLCapabilities2NativeGLCapabilities ( env, capsObj, &glCaps );
if(JNI_TRUE!=ok)
{
fprintf(stderr,"GL4Java Win32DrawableFactory.ChoosePixelFormatNum ERROR: gl4java/GLCapabilities fields not accessible\n");
fflush(stderr);
return JNI_FALSE;
}
/* dc = getScreenDC(screen); */
dc = GetWindowDC(NULL);
setPixelFormatByGLCapabilities(&pfd, &glCaps, JNI_FALSE, dc);
if(JNI_TRUE==verbose)
{
fprintf(stdout, "Win32DrawableFactory.ChoosePixelFormatNum: input capabilities:\n");
printGLCapabilities ( &glCaps );
}
nPixelFormat = ChoosePixelFormat(dc, &pfd);
(void) setGLCapabilities ( dc, nPixelFormat, &glCaps );
if(JNI_TRUE==verbose)
{
fprintf(stdout,"Win32DrawableFactory.ChoosePixelFormatNum: writing capabilities to GLContext's java object\n");
printGLCapabilities ( &glCaps );
fflush(stdout);
}
(void) nativeGLCapabilities2JavaGLCapabilities
(env, capsObj, &glCaps);
/* freeScreenDC(dc); */
ReleaseDC(NULL, dc);
return (jlong)nPixelFormat;
}
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