/* GLbitfield glQueryMatrixxOES ( GLfixed *mantissa, GLint *exponent ) */
static jint
android_glQueryMatrixxOES__Ljava_nio_IntBuffer_2Ljava_nio_IntBuffer_2
(JNIEnv *_env, jobject _this, jobject mantissa_buf, jobject exponent_buf) {
jint _exception = 0;
const char * _exceptionType = NULL;
const char * _exceptionMessage = NULL;
jarray _mantissaArray = (jarray) 0;
jint _mantissaBufferOffset = (jint) 0;
jarray _exponentArray = (jarray) 0;
jint _exponentBufferOffset = (jint) 0;
GLbitfield _returnValue = -1;
jint _mantissaRemaining;
GLfixed *mantissa = (GLfixed *) 0;
jint _exponentRemaining;
GLint *exponent = (GLint *) 0;
mantissa = (GLfixed *)getPointer(_env, mantissa_buf, &_mantissaArray, &_mantissaRemaining, &_mantissaBufferOffset);
if (_mantissaRemaining < 16) {
_exception = 1;
_exceptionType = "java/lang/IllegalArgumentException";
_exceptionMessage = "remaining() < 16 < needed";
goto exit;
}
exponent = (GLint *)getPointer(_env, exponent_buf, &_exponentArray, &_exponentRemaining, &_exponentBufferOffset);
if (_exponentRemaining < 16) {
_exception = 1;
_exceptionType = "java/lang/IllegalArgumentException";
_exceptionMessage = "remaining() < 16 < needed";
goto exit;
}
if (mantissa == NULL) {
char * _mantissaBase = (char *)_env->GetPrimitiveArrayCritical(_mantissaArray, (jboolean *) 0);
mantissa = (GLfixed *) (_mantissaBase + _mantissaBufferOffset);
}
if (exponent == NULL) {
char * _exponentBase = (char *)_env->GetPrimitiveArrayCritical(_exponentArray, (jboolean *) 0);
exponent = (GLint *) (_exponentBase + _exponentBufferOffset);
}
_returnValue = glQueryMatrixxOES(
(GLfixed *)mantissa,
(GLint *)exponent
);
exit:
if (_exponentArray) {
releasePointer(_env, _exponentArray, exponent, _exception ? JNI_FALSE : JNI_TRUE);
}
if (_mantissaArray) {
releasePointer(_env, _mantissaArray, mantissa, _exception ? JNI_FALSE : JNI_TRUE);
}
if (_exception) {
jniThrowException(_env, _exceptionType, _exceptionMessage);
}
return (jint)_returnValue;
}
/* GLbitfield glQueryMatrixxOES ( GLfixed *mantissa, GLint *exponent ) */
static jint
android_glQueryMatrixxOES___3II_3II
(JNIEnv *_env, jobject _this, jintArray mantissa_ref, jint mantissaOffset, jintArray exponent_ref, jint exponentOffset) {
jint _exception = 0;
const char * _exceptionType = NULL;
const char * _exceptionMessage = NULL;
GLbitfield _returnValue = -1;
GLfixed *mantissa_base = (GLfixed *) 0;
jint _mantissaRemaining;
GLfixed *mantissa = (GLfixed *) 0;
GLint *exponent_base = (GLint *) 0;
jint _exponentRemaining;
GLint *exponent = (GLint *) 0;
if (!mantissa_ref) {
_exception = 1;
_exceptionType = "java/lang/IllegalArgumentException";
_exceptionMessage = "mantissa == null";
goto exit;
}
if (mantissaOffset < 0) {
_exception = 1;
_exceptionType = "java/lang/IllegalArgumentException";
_exceptionMessage = "mantissaOffset < 0";
goto exit;
}
_mantissaRemaining = _env->GetArrayLength(mantissa_ref) - mantissaOffset;
if (_mantissaRemaining < 16) {
_exception = 1;
_exceptionType = "java/lang/IllegalArgumentException";
_exceptionMessage = "length - mantissaOffset < 16 < needed";
goto exit;
}
mantissa_base = (GLfixed *)
_env->GetPrimitiveArrayCritical(mantissa_ref, (jboolean *)0);
mantissa = mantissa_base + mantissaOffset;
if (!exponent_ref) {
_exception = 1;
_exceptionType = "java/lang/IllegalArgumentException";
_exceptionMessage = "exponent == null";
goto exit;
}
if (exponentOffset < 0) {
_exception = 1;
_exceptionType = "java/lang/IllegalArgumentException";
_exceptionMessage = "exponentOffset < 0";
goto exit;
}
_exponentRemaining = _env->GetArrayLength(exponent_ref) - exponentOffset;
if (_exponentRemaining < 16) {
_exception = 1;
_exceptionType = "java/lang/IllegalArgumentException";
_exceptionMessage = "length - exponentOffset < 16 < needed";
goto exit;
}
exponent_base = (GLint *)
_env->GetPrimitiveArrayCritical(exponent_ref, (jboolean *)0);
exponent = exponent_base + exponentOffset;
_returnValue = glQueryMatrixxOES(
(GLfixed *)mantissa,
(GLint *)exponent
);
exit:
if (exponent_base) {
_env->ReleasePrimitiveArrayCritical(exponent_ref, exponent_base,
_exception ? JNI_ABORT: 0);
}
if (mantissa_base) {
_env->ReleasePrimitiveArrayCritical(mantissa_ref, mantissa_base,
_exception ? JNI_ABORT: 0);
}
if (_exception) {
jniThrowException(_env, _exceptionType, _exceptionMessage);
}
return (jint)_returnValue;
}
/*
=============
R_SetupGL
=============
*/
void R_SetupGL (void)
{
float screenaspect;
float yfov;
int i;
extern int glwidth, glheight;
int x, x2, y2, y, w, h;
//
// set up viewpoint
//
glMatrixMode(GL_PROJECTION);
glLoadIdentity ();
x = r_refdef.vrect.x * glwidth/vid.width;
x2 = (r_refdef.vrect.x + r_refdef.vrect.width) * glwidth/vid.width;
y = (vid.height-r_refdef.vrect.y) * glheight/vid.height;
y2 = (vid.height - (r_refdef.vrect.y + r_refdef.vrect.height)) * glheight/vid.height;
// fudge around because of frac screen scale
if (x > 0)
x--;
if (x2 < glwidth)
x2++;
if (y2 < 0)
y2--;
if (y < glheight)
y++;
w = x2 - x;
h = y - y2;
if (envmap)
{
x = y2 = 0;
w = h = 256;
}
glViewport (glx + x, gly + y2, w, h);
screenaspect = (float)r_refdef.vrect.width/r_refdef.vrect.height;
// yfov = 2*atan((float)r_refdef.vrect.height/r_refdef.vrect.width)*180/M_PI;
MYgluPerspective (r_refdef.fov_y, screenaspect, 4, 4096);
if (mirror)
{
if (mirror_plane->normal[2])
glScalef (1, -1, 1);
else
glScalef (-1, 1, 1);
glCullFace(GL_BACK);
}
else
glCullFace(GL_FRONT);
glMatrixMode(GL_MODELVIEW);
#ifdef DO_OWN_MATRIX_MATH
float mv[16];
setIdentityM(mv, 0);
rotateM(mv, -90, 1, 0, 0); // put Z going up
rotateM(mv, 90, 0, 0, 1); // put Z going up
rotateM(mv, -r_refdef.viewangles[2], 1, 0, 0);
rotateM(mv, -r_refdef.viewangles[0], 0, 1, 0);
rotateM(mv, -r_refdef.viewangles[1], 0, 0, 1);
translateM(mv, 0, -r_refdef.vieworg[0], -r_refdef.vieworg[1], -r_refdef.vieworg[2]);
glLoadMatrixf(mv);
memcpy(r_world_matrix, mv, sizeof(r_world_matrix));
#else
glLoadIdentity ();
glRotatef (-90, 1, 0, 0); // put Z going up
glRotatef (90, 0, 0, 1); // put Z going up
glRotatef (-r_refdef.viewangles[2], 1, 0, 0);
glRotatef (-r_refdef.viewangles[0], 0, 1, 0);
glRotatef (-r_refdef.viewangles[1], 0, 0, 1);
glTranslatef (-r_refdef.vieworg[0], -r_refdef.vieworg[1], -r_refdef.vieworg[2]);
#ifdef USE_OPENGLES
static qboolean initialized;
static qboolean haveGL_OES_matrix_get;
static qboolean haveGL_OES_query_matrix;
#if 0
if (! initialized) {
const char* extensions = (const char*) glGetString(GL_EXTENSIONS);
haveGL_OES_matrix_get =
strstr(extensions, "GL_OES_matrix_get") != NULL;
haveGL_OES_query_matrix =
strstr(extensions, "GL_OES_query_matrix") != NULL;
initialized = true;
}
if (haveGL_OES_query_matrix) {
GLfixed mantissa[16];
GLint exponent[16];
glQueryMatrixxOES( mantissa, exponent );
for(int i = 0; i < 16; i++) {
r_world_matrix[i] = scalbnf(mantissa[i], exponent[i]-16);
}
}
else if (haveGL_OES_matrix_get) {
glGetIntegerv (MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES,
(GLint*) r_world_matrix);
}
else
#endif
{
// No way to get the world matix, set to identity
memset(r_world_matrix, 0, sizeof(r_world_matrix));
for(i = 0; i < 16; i += 5) {
r_world_matrix[i] = 1.0f;
}
}
#else
glGetFloatv (GL_MODELVIEW_MATRIX, r_world_matrix);
#endif
#endif // DO_OWN_MATRIX_MATH
//
// set drawing parms
//
if (gl_cull.value)
glEnable(GL_CULL_FACE);
else
glDisable(GL_CULL_FACE);
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glEnable(GL_DEPTH_TEST);
}
