int
__glXSeparableFilter2DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
__GLXdispatchConvolutionFilterHeader *hdr =
(__GLXdispatchConvolutionFilterHeader *) pc;
GLint image1size, image2size;
GLenum format = hdr->format;
GLenum type = hdr->type;
GLint w = hdr->width;
GLint h = hdr->height;
GLint rowLength = hdr->rowLength;
GLint alignment = hdr->alignment;
if (swap) {
format = SWAPL(format);
type = SWAPL(type);
w = SWAPL(w);
h = SWAPL(h);
rowLength = SWAPL(rowLength);
alignment = SWAPL(alignment);
}
/* XXX Should rowLength be used for either or both image? */
image1size = __glXImageSize(format, type, 0, w, 1, 1,
0, rowLength, 0, 0, alignment);
image2size = __glXImageSize(format, type, 0, h, 1, 1,
0, rowLength, 0, 0, alignment);
return safe_add(safe_pad(image1size), image2size);
}
int
__glXProgramNamedParameter4fvNVReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLsizei len = *(GLsizei *)(pc + 4);
if (swap) {
len = bswap_32(len);
}
return safe_pad(len);
}
int
__glXProgramParameters4fvNVReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLsizei num = *(GLsizei *)(pc + 8);
if (swap) {
num = bswap_32(num);
}
return safe_pad(safe_mul(num , 16));
}
int
__glXVertexAttribs4dvNVReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLsizei n = *(GLsizei *)(pc + 4);
if (swap) {
n = bswap_32(n);
}
return safe_pad(safe_mul(n , 32));
}
int
__glXDrawBuffersReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLsizei n = *(GLsizei *)(pc + 0);
if (swap) {
n = bswap_32(n);
}
return safe_pad(safe_mul(n , 4));
}
int
__glXProgramStringARBReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLsizei len = *(GLsizei *)(pc + 8);
if (swap) {
len = bswap_32(len);
}
return safe_pad(len);
}
int
__glXCompressedTexSubImage3DReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLsizei imageSize = *(GLsizei *)(pc + 36);
if (swap) {
imageSize = bswap_32(imageSize);
}
return safe_pad(imageSize);
}
int
__glXPrioritizeTexturesReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLsizei n = *(GLsizei *)(pc + 0);
if (swap) {
n = bswap_32(n);
}
return safe_pad(safe_add(safe_mul(n , 4), safe_mul(n , 4)));
}
int
__glXPixelMapusvReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLsizei mapsize = *(GLsizei *)(pc + 4);
if (swap) {
mapsize = bswap_32(mapsize);
}
return safe_pad(safe_mul(mapsize , 2));
}
int
__glXFogfvReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLenum pname = * (GLenum *)(pc + 0);
GLsizei compsize;
if (swap) {
pname = bswap_32(pname);
}
compsize = __glFogfv_size(pname);
return safe_pad(safe_mul(compsize , 4));
}
int
__glXConvolutionParameterfvReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLenum pname = * (GLenum *)(pc + 4);
GLsizei compsize;
if (swap) {
pname = bswap_32(pname);
}
compsize = __glConvolutionParameterfv_size(pname);
return safe_pad(safe_mul(compsize , 4));
}
int
__glXCallListsReqSize( const GLbyte * pc, Bool swap, int reqlen )
{
GLsizei n = *(GLsizei *)(pc + 0);
GLenum type = * (GLenum *)(pc + 4);
GLsizei compsize;
if (swap) {
n = bswap_32(n);
type = bswap_32(type);
}
compsize = __glCallLists_size(type);
return safe_pad(safe_mul(compsize , n));
}
int
__glXDrawArraysReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
__GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *) pc;
__GLXdispatchDrawArraysComponentHeader *compHeader;
GLint numVertexes = hdr->numVertexes;
GLint numComponents = hdr->numComponents;
GLint arrayElementSize = 0;
GLint x, size;
int i;
if (swap) {
numVertexes = SWAPL(numVertexes);
numComponents = SWAPL(numComponents);
}
pc += sizeof(__GLXdispatchDrawArraysHeader);
reqlen -= sizeof(__GLXdispatchDrawArraysHeader);
size = safe_mul(sizeof(__GLXdispatchDrawArraysComponentHeader),
numComponents);
if (size < 0 || reqlen < 0 || reqlen < size)
return -1;
compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc;
for (i = 0; i < numComponents; i++) {
GLenum datatype = compHeader[i].datatype;
GLint numVals = compHeader[i].numVals;
GLint component = compHeader[i].component;
if (swap) {
datatype = SWAPL(datatype);
numVals = SWAPL(numVals);
component = SWAPL(component);
}
switch (component) {
case GL_VERTEX_ARRAY:
case GL_COLOR_ARRAY:
case GL_TEXTURE_COORD_ARRAY:
break;
case GL_SECONDARY_COLOR_ARRAY:
case GL_NORMAL_ARRAY:
if (numVals != 3) {
/* bad size */
return -1;
}
break;
case GL_FOG_COORD_ARRAY:
case GL_INDEX_ARRAY:
if (numVals != 1) {
/* bad size */
return -1;
}
break;
case GL_EDGE_FLAG_ARRAY:
if ((numVals != 1) && (datatype != GL_UNSIGNED_BYTE)) {
/* bad size or bad type */
return -1;
}
break;
default:
/* unknown component type */
return -1;
}
x = safe_pad(safe_mul(numVals, __glXTypeSize(datatype)));
if ((arrayElementSize = safe_add(arrayElementSize, x)) < 0)
return -1;
pc += sizeof(__GLXdispatchDrawArraysComponentHeader);
}
return safe_add(size, safe_mul(numVertexes, arrayElementSize));
}
static int
GetSeparableFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
GLint compsize, compsize2;
GLenum format, type, target;
GLboolean swapBytes;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
__GLX_DECLARE_SWAP_VARIABLES;
char *answer, answerBuffer[200];
GLint width = 0, height = 0;
xGLXSingleReply reply = { 0, };
cx = __glXForceCurrent(cl, tag, &error);
if (!cx) {
return error;
}
__GLX_SWAP_INT(pc + 0);
__GLX_SWAP_INT(pc + 4);
__GLX_SWAP_INT(pc + 8);
format = *(GLenum *) (pc + 4);
type = *(GLenum *) (pc + 8);
target = *(GLenum *) (pc + 0);
swapBytes = *(GLboolean *) (pc + 12);
/* target must be SEPARABLE_2D, however I guess we can let the GL
barf on this one.... */
glGetConvolutionParameteriv(target, GL_CONVOLUTION_WIDTH, &width);
glGetConvolutionParameteriv(target, GL_CONVOLUTION_HEIGHT, &height);
/*
* The two queries above might fail if we're in a state where queries
* are illegal, but then width and height would still be zero anyway.
*/
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);
if ((compsize = safe_pad(compsize)) < 0)
return BadLength;
if ((compsize2 = safe_pad(compsize2)) < 0)
return BadLength;
glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
__GLX_GET_ANSWER_BUFFER(answer, cl, safe_add(compsize, compsize2), 1);
__glXClearErrorOccured();
glGetSeparableFilter(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4),
*(GLenum *) (pc + 8), answer, answer + compsize, NULL);
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SWAP_REPLY_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize + compsize2);
__GLX_SWAP_REPLY_HEADER();
__GLX_SWAP_INT(&width);
__GLX_SWAP_INT(&height);
((xGLXGetSeparableFilterReply *) &reply)->width = width;
((xGLXGetSeparableFilterReply *) &reply)->height = height;
__GLX_SEND_VOID_ARRAY(compsize + compsize2);
}
return Success;
}