int __glXDisp_AreTexturesResidentEXT(__GLXclientState *cl, GLbyte *pc)
{
GLsizei n;
GLboolean retval;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
GLboolean answerBuffer[200];
char *answer;
cx = __glXForceCurrent(cl, __GLX_GET_VENDPRIV_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_VENDPRIV_HDR_SIZE;
n = *(GLsizei *)(pc + 0);
__GLX_GET_ANSWER_BUFFER(answer,cl,n,1);
retval =
glAreTexturesResidentEXT(
*(GLsizei *)(pc + 0),
(GLuint *)(pc + 4),
(GLboolean *) answer
);
__GLX_PUT_RETVAL(retval);
__GLX_BEGIN_REPLY(n);
__GLX_SEND_HEADER();
__GLX_SEND_BYTE_ARRAY(n);
return Success;
}
int
__glXDisp_GetPolygonStipple(__GLXclientState * cl, GLbyte * pc)
{
GLboolean lsbFirst;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
GLubyte answerBuffer[200];
char *answer;
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_SINGLE_HDR_SIZE;
lsbFirst = *(GLboolean *) (pc + 0);
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst));
__GLX_GET_ANSWER_BUFFER(answer, cl, 128, 1);
__glXClearErrorOccured();
CALL_GetPolygonStipple(GET_DISPATCH(), ((GLubyte *) answer));
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SEND_HEADER();
}
else {
__GLX_BEGIN_REPLY(128);
__GLX_SEND_HEADER();
__GLX_SEND_BYTE_ARRAY(128);
}
return Success;
}
int __glXDisp_GenTexturesEXT(__GLXclientState *cl, GLbyte *pc)
{
GLsizei n;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
GLuint answerBuffer[200];
char *answer;
cx = __glXForceCurrent(cl, __GLX_GET_VENDPRIV_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_VENDPRIV_HDR_SIZE;
n = *(GLsizei *)(pc + 0);
__GLX_GET_ANSWER_BUFFER(answer,cl,n*4,4);
glGenTexturesEXT(
*(GLsizei *)(pc + 0),
(GLuint *) answer
);
__GLX_BEGIN_REPLY(n*4);
__GLX_SEND_HEADER();
__GLX_SEND_INT_ARRAY(n);
return Success;
}
static int
GetColorTable(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
GLint compsize;
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;
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);
CALL_GetColorTableParameteriv(GET_DISPATCH(),
(target, GL_COLOR_TABLE_WIDTH, &width));
/*
* The one query above might fail if we're in a state where queries
* are illegal, but then width would still be zero anyway.
*/
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
if (compsize < 0)
compsize = 0;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
CALL_GetColorTable(GET_DISPATCH(), (*(GLenum *) (pc + 0),
*(GLenum *) (pc + 4),
*(GLenum *) (pc + 8), answer));
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SWAP_REPLY_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
__GLX_SWAP_REPLY_HEADER();
__GLX_SWAP_INT(&width);
((xGLXGetColorTableReply *) & __glXReply)->width = width;
__GLX_SEND_VOID_ARRAY(compsize);
}
return Success;
}
static int
GetHistogram(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
GLint compsize;
GLenum format, type, target;
GLboolean swapBytes, reset;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
__GLX_DECLARE_SWAP_VARIABLES;
char *answer, answerBuffer[200];
GLint width = 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);
reset = *(GLboolean *) (pc + 13);
glGetHistogramParameteriv(target, GL_HISTOGRAM_WIDTH, &width);
/*
* The one query above might fail if we're in a state where queries
* are illegal, but then width would still be zero anyway.
*/
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
if (compsize < 0)
return BadLength;
glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
glGetHistogram(target, reset, format, type, answer);
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SWAP_REPLY_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
__GLX_SWAP_REPLY_HEADER();
__GLX_SWAP_INT(&width);
((xGLXGetHistogramReply *) &reply)->width = width;
__GLX_SEND_VOID_ARRAY(compsize);
}
return Success;
}
/**
* Handle both types of glGetProgramString calls.
*/
static int
DoGetProgramString(struct __GLXclientStateRec *cl, GLbyte * pc,
PFNGLGETPROGRAMIVARBPROC get_programiv,
PFNGLGETPROGRAMSTRINGARBPROC get_program_string,
Bool do_swap)
{
xGLXVendorPrivateWithReplyReq *const req =
(xGLXVendorPrivateWithReplyReq *) pc;
int error;
__GLXcontext *const cx = __glXForceCurrent(cl, req->contextTag, &error);
ClientPtr client = cl->client;
pc += __GLX_VENDPRIV_HDR_SIZE;
if (cx != NULL) {
GLenum target;
GLenum pname;
GLint compsize = 0;
char *answer = NULL, answerBuffer[200];
if (do_swap) {
target = (GLenum) bswap_32(*(int *) (pc + 0));
pname = (GLenum) bswap_32(*(int *) (pc + 4));
}
else {
target = *(GLenum *) (pc + 0);
pname = *(GLuint *) (pc + 4);
}
/* The value of the GL_PROGRAM_LENGTH_ARB and GL_PROGRAM_LENGTH_NV
* enumerants is the same.
*/
get_programiv(target, GL_PROGRAM_LENGTH_ARB, &compsize);
if (compsize != 0) {
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
get_program_string(target, pname, (GLubyte *) answer);
}
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SEND_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
((xGLXGetTexImageReply *) &__glXReply)->width = compsize;
__GLX_SEND_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
error = Success;
}
return error;
}
int
__glXDisp_ReadPixels(__GLXclientState * cl, GLbyte * pc)
{
GLsizei width, height;
GLenum format, type;
GLboolean swapBytes, lsbFirst;
GLint compsize;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
char *answer, answerBuffer[200];
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_SINGLE_HDR_SIZE;
width = *(GLsizei *) (pc + 8);
height = *(GLsizei *) (pc + 12);
format = *(GLenum *) (pc + 16);
type = *(GLenum *) (pc + 20);
swapBytes = *(GLboolean *) (pc + 24);
lsbFirst = *(GLboolean *) (pc + 25);
compsize = __glReadPixels_size(format, type, width, height);
if (compsize < 0)
compsize = 0;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
CALL_ReadPixels(GET_DISPATCH(), (*(GLint *) (pc + 0),
*(GLint *) (pc + 4),
*(GLsizei *) (pc + 8),
*(GLsizei *) (pc + 12),
*(GLenum *) (pc + 16),
*(GLenum *) (pc + 20), answer));
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SEND_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
__GLX_SEND_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
cx->hasUnflushedCommands = GL_FALSE;
return Success;
}
static int
GetMinmax(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
GLint compsize;
GLenum format, type, target;
GLboolean swapBytes, reset;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
__GLX_DECLARE_SWAP_VARIABLES;
char *answer, answerBuffer[200];
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);
reset = *(GLboolean *) (pc + 13);
compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1);
if (compsize < 0)
return BadLength;
glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
glGetMinmax(target, reset, format, type, answer);
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SWAP_REPLY_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
__GLX_SWAP_REPLY_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
return Success;
}
int __glXDisp_GetMapiv(__GLXclientState *cl, GLbyte *pc)
{
GLenum target;
GLenum query;
GLint compsize;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
GLint answerBuffer[200];
char *answer;
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_SINGLE_HDR_SIZE;
target = *(GLenum *)(pc + 0);
query = *(GLenum *)(pc + 4);
compsize = __glGetMapiv_size(target,query);
if (compsize < 0) compsize = 0;
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize*4,4);
__glXClearErrorOccured();
glGetMapiv(
*(GLenum *)(pc + 0),
*(GLenum *)(pc + 4),
(GLint *) answer
);
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_PUT_SIZE(0);
__GLX_SEND_HEADER();
} else if (compsize == 1) {
__GLX_BEGIN_REPLY(0);
__GLX_PUT_SIZE(1);
__GLX_PUT_INT();
__GLX_SEND_HEADER();
} else {
__GLX_BEGIN_REPLY(compsize*4);
__GLX_PUT_SIZE(compsize);
__GLX_SEND_HEADER();
__GLX_SEND_INT_ARRAY(compsize);
}
return Success;
}
/**
* Handle both types of glGetProgramString calls.
*
* This single function handles both \c glGetProgramStringARB and
* \c glGetProgramStringNV. The dispatch offsets for the functions to use
* for \c glGetProgramivARB and \c glGetProgramStringARB are passed in by the
* caller. These can be the offsets of either the ARB versions or the NV
* versions.
*/
int DoGetProgramString(struct __GLXclientStateRec *cl, GLbyte *pc,
unsigned get_programiv_offset,
unsigned get_program_string_offset,
Bool do_swap)
{
xGLXVendorPrivateWithReplyReq * const req =
(xGLXVendorPrivateWithReplyReq *) pc;
int error;
__GLXcontext * const cx = __glXForceCurrent(cl, req->contextTag, & error);
ClientPtr client = cl->client;
pc += __GLX_VENDPRIV_HDR_SIZE;
if (cx != NULL) {
GLenum target;
GLenum pname;
GLint compsize = 0;
char *answer = NULL, answerBuffer[200];
if (do_swap) {
target = (GLenum) bswap_32(*(int *)(pc + 0));
pname = (GLenum) bswap_32(*(int *)(pc + 4));
}
else {
target = *(GLenum *)(pc + 0);
pname = *(GLuint *)(pc + 4);
}
/* The value of the GL_PROGRAM_LENGTH_ARB and GL_PROGRAM_LENGTH_NV
* enumerants is the same.
*/
CALL_by_offset(GET_DISPATCH(),
(void (GLAPIENTRYP)(GLuint, GLenum, GLint *)),
get_programiv_offset,
(target, GL_PROGRAM_LENGTH_ARB, &compsize));
if (compsize != 0) {
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
__glXClearErrorOccured();
CALL_by_offset(GET_DISPATCH(),
(void (GLAPIENTRYP)(GLuint, GLenum, GLubyte *)),
get_program_string_offset,
(target, pname, (GLubyte *)answer));
}
int __glXDisp_GetTexLevelParameterfv(__GLXclientState *cl, GLbyte *pc)
{
GLenum pname;
GLint compsize;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
GLfloat answerBuffer[200];
char *answer;
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_SINGLE_HDR_SIZE;
pname = *(GLenum *)(pc + 8);
compsize = __glGetTexLevelParameterfv_size(pname);
if (compsize < 0) compsize = 0;
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize*4,4);
__glXClearErrorOccured();
glGetTexLevelParameterfv(
*(GLenum *)(pc + 0),
*(GLint *)(pc + 4),
*(GLenum *)(pc + 8),
(GLfloat *) answer
);
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_PUT_SIZE(0);
__GLX_SEND_HEADER();
} else if (compsize == 1) {
__GLX_BEGIN_REPLY(0);
__GLX_PUT_SIZE(1);
__GLX_PUT_FLOAT();
__GLX_SEND_HEADER();
} else {
__GLX_BEGIN_REPLY(compsize*4);
__GLX_PUT_SIZE(compsize);
__GLX_SEND_HEADER();
__GLX_SEND_FLOAT_ARRAY(compsize);
}
return Success;
}
static int
GetMinmax(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
GLint compsize;
GLenum format, type, target;
GLboolean swapBytes, reset;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
char *answer, answerBuffer[200];
cx = __glXForceCurrent(cl, tag, &error);
if (!cx) {
return error;
}
format = *(GLenum *) (pc + 4);
type = *(GLenum *) (pc + 8);
target = *(GLenum *) (pc + 0);
swapBytes = *(GLboolean *) (pc + 12);
reset = *(GLboolean *) (pc + 13);
compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1);
if (compsize < 0)
compsize = 0;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
CALL_GetMinmax(GET_DISPATCH(), (target, reset, format, type, answer));
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SEND_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
__GLX_SEND_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
return Success;
}
int __glXDisp_GetPixelMapusv(__GLXclientState *cl, GLbyte *pc)
{
GLenum map;
GLint compsize;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
GLushort answerBuffer[200];
char *answer;
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_SINGLE_HDR_SIZE;
map = *(GLenum *)(pc + 0);
compsize = __glGetPixelMapusv_size(map);
if (compsize < 0) compsize = 0;
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize*2,2);
__glXClearErrorOccured();
glGetPixelMapusv(
*(GLenum *)(pc + 0),
(GLushort *) answer
);
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_PUT_SIZE(0);
__GLX_SEND_HEADER();
} else if (compsize == 1) {
__GLX_BEGIN_REPLY(0);
__GLX_PUT_SIZE(1);
__GLX_PUT_SHORT();
__GLX_SEND_HEADER();
} else {
__GLX_BEGIN_REPLY(compsize*2);
__GLX_PUT_SIZE(compsize);
__GLX_SEND_HEADER();
__GLX_SEND_SHORT_ARRAY(compsize);
}
return Success;
}
int
__glXDispSwap_GetPolygonStipple(__GLXclientState * cl, GLbyte * pc)
{
GLboolean lsbFirst;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
GLubyte answerBuffer[200];
char *answer;
xGLXSingleReply reply = { 0, };
__GLX_DECLARE_SWAP_VARIABLES;
REQUEST_FIXED_SIZE(xGLXSingleReq, 4);
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_SINGLE_HDR_SIZE;
lsbFirst = *(GLboolean *) (pc + 0);
glPixelStorei(GL_PACK_LSB_FIRST, lsbFirst);
__GLX_GET_ANSWER_BUFFER(answer, cl, 128, 1);
__glXClearErrorOccured();
glGetPolygonStipple((GLubyte *) answer);
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SWAP_REPLY_HEADER();
__GLX_SEND_HEADER();
}
else {
__GLX_BEGIN_REPLY(128);
__GLX_SWAP_REPLY_HEADER();
__GLX_SEND_HEADER();
__GLX_SEND_BYTE_ARRAY(128);
}
return Success;
}
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;
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.... */
CALL_GetConvolutionParameteriv(GET_DISPATCH(),
(target, GL_CONVOLUTION_WIDTH, &width));
CALL_GetConvolutionParameteriv(GET_DISPATCH(),
(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 < 0)
compsize = 0;
if (compsize2 < 0)
compsize2 = 0;
compsize = __GLX_PAD(compsize);
compsize2 = __GLX_PAD(compsize2);
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize + compsize2, 1);
__glXClearErrorOccured();
CALL_GetSeparableFilter(GET_DISPATCH(), (*(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 *) & __glXReply)->width = width;
((xGLXGetSeparableFilterReply *) & __glXReply)->height = height;
__GLX_SEND_VOID_ARRAY(compsize + compsize2);
}
return Success;
}
int
__glXDispSwap_GetTexImage(__GLXclientState * cl, GLbyte * pc)
{
GLint level, compsize;
GLenum format, type, target;
GLboolean swapBytes;
__GLX_DECLARE_SWAP_VARIABLES;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
char *answer, answerBuffer[200];
GLint width = 0, height = 0, depth = 1;
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_SINGLE_HDR_SIZE;
__GLX_SWAP_INT(pc + 0);
__GLX_SWAP_INT(pc + 4);
__GLX_SWAP_INT(pc + 8);
__GLX_SWAP_INT(pc + 12);
level = *(GLint *) (pc + 4);
format = *(GLenum *) (pc + 8);
type = *(GLenum *) (pc + 12);
target = *(GLenum *) (pc + 0);
swapBytes = *(GLboolean *) (pc + 16);
CALL_GetTexLevelParameteriv(GET_DISPATCH(),
(target, level, GL_TEXTURE_WIDTH, &width));
CALL_GetTexLevelParameteriv(GET_DISPATCH(),
(target, level, GL_TEXTURE_HEIGHT, &height));
if (target == GL_TEXTURE_3D) {
CALL_GetTexLevelParameteriv(GET_DISPATCH(),
(target, level, GL_TEXTURE_DEPTH, &depth));
}
/*
* The three queries above might fail if we're in a state where queries
* are illegal, but then width, height, and depth would still be zero anyway.
*/
compsize =
__glGetTexImage_size(target, level, format, type, width, height, depth);
if (compsize < 0)
compsize = 0;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
CALL_GetTexImage(GET_DISPATCH(), (*(GLenum *) (pc + 0),
*(GLint *) (pc + 4),
*(GLenum *) (pc + 8),
*(GLenum *) (pc + 12), answer));
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SWAP_REPLY_HEADER();
__GLX_SEND_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
__GLX_SWAP_REPLY_HEADER();
__GLX_SWAP_INT(&width);
__GLX_SWAP_INT(&height);
__GLX_SWAP_INT(&depth);
((xGLXGetTexImageReply *) & __glXReply)->width = width;
((xGLXGetTexImageReply *) & __glXReply)->height = height;
((xGLXGetTexImageReply *) & __glXReply)->depth = depth;
__GLX_SEND_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
return Success;
}
static int
GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
GLint compsize;
GLenum format, type, target;
GLboolean swapBytes;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
char *answer, answerBuffer[200];
GLint width = 0, height = 0;
cx = __glXForceCurrent(cl, tag, &error);
if (!cx) {
return error;
}
format = *(GLenum *) (pc + 4);
type = *(GLenum *) (pc + 8);
target = *(GLenum *) (pc + 0);
swapBytes = *(GLboolean *) (pc + 12);
CALL_GetConvolutionParameteriv(GET_DISPATCH(),
(target, GL_CONVOLUTION_WIDTH, &width));
if (target == GL_CONVOLUTION_1D) {
height = 1;
}
else {
CALL_GetConvolutionParameteriv(GET_DISPATCH(),
(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, height, 1);
if (compsize < 0)
compsize = 0;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
CALL_GetConvolutionFilter(GET_DISPATCH(), (*(GLenum *) (pc + 0),
*(GLenum *) (pc + 4),
*(GLenum *) (pc + 8), answer));
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SEND_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
((xGLXGetConvolutionFilterReply *) & __glXReply)->width = width;
((xGLXGetConvolutionFilterReply *) & __glXReply)->height = height;
__GLX_SEND_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
return Success;
}
int
__glXDispSwap_ReadPixels(__GLXclientState * cl, GLbyte * pc)
{
GLsizei width, height;
GLenum format, type;
GLboolean swapBytes, lsbFirst;
GLint compsize;
__GLX_DECLARE_SWAP_VARIABLES;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
char *answer, answerBuffer[200];
xGLXSingleReply reply = { 0, };
REQUEST_FIXED_SIZE(xGLXSingleReq, 28);
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_SINGLE_HDR_SIZE;
__GLX_SWAP_INT(pc + 0);
__GLX_SWAP_INT(pc + 4);
__GLX_SWAP_INT(pc + 8);
__GLX_SWAP_INT(pc + 12);
__GLX_SWAP_INT(pc + 16);
__GLX_SWAP_INT(pc + 20);
width = *(GLsizei *) (pc + 8);
height = *(GLsizei *) (pc + 12);
format = *(GLenum *) (pc + 16);
type = *(GLenum *) (pc + 20);
swapBytes = *(GLboolean *) (pc + 24);
lsbFirst = *(GLboolean *) (pc + 25);
compsize = __glReadPixels_size(format, type, width, height);
if (compsize < 0)
return BadLength;
glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
glPixelStorei(GL_PACK_LSB_FIRST, lsbFirst);
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
__glXClearErrorOccured();
glReadPixels(*(GLint *) (pc + 0), *(GLint *) (pc + 4),
*(GLsizei *) (pc + 8), *(GLsizei *) (pc + 12),
*(GLenum *) (pc + 16), *(GLenum *) (pc + 20), answer);
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SWAP_REPLY_HEADER();
__GLX_SEND_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
__GLX_SWAP_REPLY_HEADER();
__GLX_SEND_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
return Success;
}
