/**
* Output test raster (produced in D3DTest function). Utility
* used in debugging only. Enable by setting J2D_TRACE_LEVEL=J2D_VERBOSE
* prior to running application with debug java. The output from this will
* be seen only if D3DTest fails.
*/
void TestRasterOutput(byte *rasPtr, int x, int y, int w, int h,
int scanStride, int pixelStride,
TIntTestRaster goldenArray)
{
int goldenValue;
for (int traceRow = y; traceRow < h; ++traceRow) {
byte *tmpRasPtr = rasPtr + traceRow * scanStride;
for (int traceCol = x; traceCol < w; ++traceCol) {
DWORD pixelVal;
switch (pixelStride) {
case 1:
pixelVal = *tmpRasPtr;
break;
case 2:
pixelVal = *((unsigned short*)tmpRasPtr);
break;
default:
pixelVal = *((unsigned int*)tmpRasPtr) & 0x00ffffff;
break;
}
tmpRasPtr += pixelStride;
if (goldenArray == NULL) {
if (pixelVal) {
J2dTrace(J2D_TRACE_VERBOSE, "1");
} else {
J2dTrace(J2D_TRACE_VERBOSE, "0");
}
} else {
goldenValue = (goldenArray[traceRow][traceCol] & 0x00ffffff);
if ((goldenValue == 0 && pixelVal != 0) ||
(goldenValue != 0 && pixelVal == 0))
{
J2dTrace(J2D_TRACE_VERBOSE, "x");
} else {
J2dTrace(J2D_TRACE_VERBOSE, "-");
}
}
}
J2dTrace(J2D_TRACE_VERBOSE, "\n");
}
}
/**
* Attempts to create a new GLXFBConfig for the requested screen and visual.
* If there are no valid GLXFBConfigs available, 0 is returned.
*/
static GLXFBConfig
GLXGC_InitFBConfig(JNIEnv *env, jint screennum, jint visnum)
{
jboolean foundconfig = JNI_FALSE;
GLXFBConfig *fbconfigs;
GLXFBConfig fbc;
int nconfs, i;
int attrlist[] = {GLX_VISUAL_ID, 0,
GLX_DRAWABLE_TYPE,
GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT,
GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_STENCIL_SIZE, 1,
0};
J2dTraceLn2(J2D_TRACE_INFO, "in GLXGC_InitFBConfig (scn=%d vis=0x%x)",
screennum, visnum);
attrlist[1] = visnum;
// find all fbconfigs for this screen with the provided attributes
fbconfigs = j2d_glXChooseFBConfig(awt_display, screennum,
attrlist, &nconfs);
if ((fbconfigs == NULL) || (nconfs <= 0)) {
J2dTraceLn(J2D_TRACE_ERROR, "could not find any valid fbconfigs");
return 0;
}
J2dTraceLn(J2D_TRACE_VERBOSE, "candidate fbconfigs:");
// iterate through the list of fbconfigs, looking for the one that matches
// the requested visual ID and supports RGBA rendering as well as the
// creation of windows, pbuffers, and pixmaps
for (i = 0; i < nconfs; i++) {
XVisualInfo *xvi;
int dtype, rtype, ssize, caveat;
fbc = fbconfigs[i];
xvi = j2d_glXGetVisualFromFBConfig(awt_display, fbc);
j2d_glXGetFBConfigAttrib(awt_display, fbc, GLX_DRAWABLE_TYPE, &dtype);
j2d_glXGetFBConfigAttrib(awt_display, fbc, GLX_RENDER_TYPE, &rtype);
j2d_glXGetFBConfigAttrib(awt_display, fbc, GLX_STENCIL_SIZE, &ssize);
j2d_glXGetFBConfigAttrib(awt_display, fbc, GLX_CONFIG_CAVEAT, &caveat);
J2dTrace5(J2D_TRACE_VERBOSE,
" id=0x%x dtype=0x%x rtype=0x%x ssize=%d caveat=%d valid=",
xvi->visualid, dtype, rtype, ssize, caveat);
// REMIND: we may want to check caveat to avoid "GLX_SLOW" configs...
if ((xvi->visualid == visnum) &&
(dtype == attrlist[3]) &&
(rtype & GLX_RGBA_BIT) &&
(ssize > 0))
{
J2dTrace(J2D_TRACE_VERBOSE, "true\n");
foundconfig = JNI_TRUE;
break;
}
J2dTrace(J2D_TRACE_VERBOSE, "false\n");
}
// free the list of fbconfigs
XFree(fbconfigs);
if (!foundconfig) {
J2dTraceLn(J2D_TRACE_ERROR, "could not find an appropriate fbconfig");
return 0;
}
return fbc;
}
