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;
}
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;
}
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
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];
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)
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_SWAP_REPLY_HEADER();
}
else {
__GLX_BEGIN_REPLY(compsize);
__GLX_SWAP_REPLY_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
return Success;
}
void __glXDispSwap_SeparableFilter2D(GLbyte *pc)
{
__GLXdispatchConvolutionFilterHeader *hdr =
(__GLXdispatchConvolutionFilterHeader *) pc;
GLint hdrlen, image1len;
__GLX_DECLARE_SWAP_VARIABLES;
hdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_HDR_SIZE);
__GLX_SWAP_INT((GLbyte *)&hdr->rowLength);
__GLX_SWAP_INT((GLbyte *)&hdr->skipRows);
__GLX_SWAP_INT((GLbyte *)&hdr->skipPixels);
__GLX_SWAP_INT((GLbyte *)&hdr->alignment);
__GLX_SWAP_INT((GLbyte *)&hdr->target);
__GLX_SWAP_INT((GLbyte *)&hdr->internalformat);
__GLX_SWAP_INT((GLbyte *)&hdr->width);
__GLX_SWAP_INT((GLbyte *)&hdr->height);
__GLX_SWAP_INT((GLbyte *)&hdr->format);
__GLX_SWAP_INT((GLbyte *)&hdr->type);
/*
** Just invert swapBytes flag; the GL will figure out if it needs to swap
** the pixel data.
*/
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, !hdr->swapBytes) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, hdr->lsbFirst) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, hdr->rowLength) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, hdr->skipRows) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, hdr->skipPixels) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, hdr->alignment) );
/* XXX check this usage - internal code called
** a version without the packing parameters
*/
image1len = __glXImageSize(hdr->format, hdr->type, 0, hdr->width, 1, 1,
0, hdr->rowLength, 0, hdr->skipRows,
hdr->alignment);
image1len = __GLX_PAD(image1len);
CALL_SeparableFilter2D( GET_DISPATCH(), (hdr->target, hdr->internalformat,
hdr->width, hdr->height, hdr->format, hdr->type,
((GLubyte *)hdr+hdrlen), ((GLubyte *)hdr+hdrlen+image1len)) );
}
static int
MakeBitmapsFromFont(FontPtr pFont, int first, int count, int list_base)
{
unsigned long i, nglyphs;
CARD8 chs[2]; /* the font index we are going after */
CharInfoPtr pci;
int rv; /* return value */
int encoding = (FONTLASTROW(pFont) == 0) ? Linear16Bit : TwoD16Bit;
CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, FALSE));
CALL_PixelStorei(GET_DISPATCH(),
(GL_UNPACK_LSB_FIRST, BITMAP_BIT_ORDER == LSBFirst));
CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, 0));
CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0));
CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0));
CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, GLYPHPADBYTES));
for (i = 0; i < count; i++) {
chs[0] = (first + i) >> 8; /* high byte is first byte */
chs[1] = first + i;
(*pFont->get_glyphs) (pFont, 1, chs, (FontEncoding) encoding,
&nglyphs, &pci);
/*
** Define a display list containing just a glBitmap() call.
*/
CALL_NewList(GET_DISPATCH(), (list_base + i, GL_COMPILE));
if (nglyphs) {
rv = __glXMakeBitmapFromGlyph(pFont, pci);
if (rv) {
return rv;
}
}
CALL_EndList(GET_DISPATCH(), ());
}
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;
}
