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; }
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; }
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; }
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; }
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; }