GLint __glGetMap_size(GLenum target, GLenum query)
{
GLint k, order=0, majorMinor[2];
/*
** Assume target and query are both valid.
*/
switch (target) {
case GL_MAP1_COLOR_4:
case GL_MAP1_NORMAL:
case GL_MAP1_INDEX:
case GL_MAP1_TEXTURE_COORD_1:
case GL_MAP1_TEXTURE_COORD_2:
case GL_MAP1_TEXTURE_COORD_3:
case GL_MAP1_TEXTURE_COORD_4:
case GL_MAP1_VERTEX_3:
case GL_MAP1_VERTEX_4:
switch (query) {
case GL_COEFF:
k = __glMap1d_size(target);
glGetMapiv(target, GL_ORDER, &order);
/*
** The query above might fail, but then order will be zero anyway.
*/
return (order * k);
case GL_DOMAIN:
return 2;
case GL_ORDER:
return 1;
}
break;
case GL_MAP2_COLOR_4:
case GL_MAP2_NORMAL:
case GL_MAP2_INDEX:
case GL_MAP2_TEXTURE_COORD_1:
case GL_MAP2_TEXTURE_COORD_2:
case GL_MAP2_TEXTURE_COORD_3:
case GL_MAP2_TEXTURE_COORD_4:
case GL_MAP2_VERTEX_3:
case GL_MAP2_VERTEX_4:
switch (query) {
case GL_COEFF:
k = __glMap2d_size(target);
majorMinor[0] = majorMinor[1] = 0;
glGetMapiv(target, GL_ORDER, majorMinor);
/*
** The query above might fail, but then majorMinor will be zeroes
*/
return (majorMinor[0] * majorMinor[1] * k);
case GL_DOMAIN:
return 4;
case GL_ORDER:
return 2;
}
break;
}
return -1;
}
int __glXMap1dReqSize(GLbyte *pc, Bool swap )
{
GLenum target;
GLint order, k;
target = *(GLenum*) (pc + 16);
order = *(GLint*) (pc + 20);
if (swap) {
target = SWAPL( target );
order = SWAPL( order );
}
k = __glMap1d_size( target );
return 8 * Map1Size( k, order );
}
int
__glXMap1dReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum target;
GLint order;
target = *(GLenum *) (pc + 16);
order = *(GLint *) (pc + 20);
if (swap) {
target = SWAPL(target);
order = SWAPL(order);
}
if (order < 1)
return -1;
return safe_mul(8, safe_mul(__glMap1d_size(target), order));
}
void
__glXDispSwap_Map1d(GLbyte * pc)
{
GLint order, k, compsize;
GLenum target;
GLdouble u1, u2, *points;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
__GLX_SWAP_DOUBLE(pc + 0);
__GLX_SWAP_DOUBLE(pc + 8);
__GLX_SWAP_INT(pc + 16);
__GLX_SWAP_INT(pc + 20);
target = *(GLenum *) (pc + 16);
order = *(GLint *) (pc + 20);
k = __glMap1d_size(target);
if (order <= 0 || k < 0) {
/* Erroneous command. */
compsize = 0;
}
else {
compsize = order * k;
}
__GLX_GET_DOUBLE(u1, pc);
__GLX_GET_DOUBLE(u2, pc + 8);
__GLX_SWAP_DOUBLE_ARRAY(pc + 24, compsize);
pc += 24;
#ifdef __GLX_ALIGN64
if (((unsigned long) pc) & 7) {
/*
** Copy the doubles up 4 bytes, trashing the command but aligning
** the data in the process
*/
__GLX_MEM_COPY(pc - 4, pc, compsize * 8);
points = (GLdouble *) (pc - 4);
}
else {
points = (GLdouble *) pc;
}
#else
points = (GLdouble *) pc;
#endif
glMap1d(target, u1, u2, k, order, points);
}
void
__glXDisp_Map1d(GLbyte * pc)
{
GLint order, k;
#ifdef __GLX_ALIGN64
GLint compsize;
#endif
GLenum target;
GLdouble u1, u2, *points;
target = *(GLenum *) (pc + 16);
order = *(GLint *) (pc + 20);
k = __glMap1d_size(target);
#ifdef __GLX_ALIGN64
if (order < 0 || k < 0) {
compsize = 0;
}
else {
compsize = order * k;
}
#endif
__GLX_GET_DOUBLE(u1, pc);
__GLX_GET_DOUBLE(u2, pc + 8);
pc += 24;
#ifdef __GLX_ALIGN64
if (((unsigned long) pc) & 7) {
/*
** Copy the doubles up 4 bytes, trashing the command but aligning
** the data in the process
*/
__GLX_MEM_COPY(pc - 4, pc, compsize * 8);
points = (GLdouble *) (pc - 4);
}
else {
points = (GLdouble *) pc;
}
#else
points = (GLdouble *) pc;
#endif
glMap1d(target, u1, u2, k, order, points);
}
void
__indirect_glMap1d(GLenum target, GLdouble u1, GLdouble u2, GLint stride,
GLint order, const GLdouble * pnts)
{
__GLX_DECLARE_VARIABLES();
GLint k;
__GLX_LOAD_VARIABLES();
k = __glMap1d_size(target);
if (k == 0) {
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
else if (stride < k || order <= 0) {
__glXSetError(gc, GL_INVALID_VALUE);
return;
}
compsize = k * order * __GLX_SIZE_FLOAT64;
cmdlen = 28 + compsize;
if (!gc->currentDpy)
return;
if (cmdlen <= gc->maxSmallRenderCommandSize) {
/* Use GLXRender protocol to send small command */
__GLX_BEGIN_VARIABLE(X_GLrop_Map1d, cmdlen);
__GLX_PUT_DOUBLE(4, u1);
__GLX_PUT_DOUBLE(12, u2);
__GLX_PUT_LONG(20, target);
__GLX_PUT_LONG(24, order);
/*
** NOTE: the doubles that follow are not aligned because of 3
** longs preceeding
*/
__glFillMap1d(k, order, stride, pnts, (pc + 28));
__GLX_END(cmdlen);
}
else {
/* Use GLXRenderLarge protocol to send command */
__GLX_BEGIN_VARIABLE_LARGE(X_GLrop_Map1d, cmdlen + 4);
__GLX_PUT_DOUBLE(8, u1);
__GLX_PUT_DOUBLE(16, u2);
__GLX_PUT_LONG(24, target);
__GLX_PUT_LONG(28, order);
/*
** NOTE: the doubles that follow are not aligned because of 3
** longs preceeding
*/
if (stride != k) {
GLubyte *buf;
buf = (GLubyte *) Xmalloc(compsize);
if (!buf) {
__glXSetError(gc, GL_OUT_OF_MEMORY);
return;
}
__glFillMap1d(k, order, stride, pnts, buf);
__glXSendLargeCommand(gc, pc, 32, buf, compsize);
Xfree((char *) buf);
}
else {
/* Data is already packed. Just send it out */
__glXSendLargeCommand(gc, pc, 32, pnts, compsize);
}
}
}