diff options
Diffstat (limited to 'glx/singlepixswap.c')
-rw-r--r-- | glx/singlepixswap.c | 579 |
1 files changed, 579 insertions, 0 deletions
diff --git a/glx/singlepixswap.c b/glx/singlepixswap.c new file mode 100644 index 0000000..a7febc9 --- /dev/null +++ b/glx/singlepixswap.c @@ -0,0 +1,579 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "glxserver.h" +#include "glxext.h" +#include "singlesize.h" +#include "unpack.h" +#include "indirect_dispatch.h" +#include "indirect_size_get.h" +#include "glapitable.h" +#include "glapi.h" +#include "glthread.h" +#include "dispatch.h" + +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]; + + __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) 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_SWAP_REPLY_HEADER(); + __GLX_SEND_HEADER(); + } else { + __GLX_BEGIN_REPLY(compsize); + __GLX_SWAP_REPLY_HEADER(); + __GLX_SEND_HEADER(); + __GLX_SEND_VOID_ARRAY(compsize); + } + __GLX_NOTE_FLUSHED_CMDS(cx); + 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_GetPolygonStipple(__GLXclientState *cl, GLbyte *pc) +{ + GLboolean lsbFirst; + __GLXcontext *cx; + ClientPtr client = cl->client; + int error; + GLubyte answerBuffer[200]; + char *answer; + __GLX_DECLARE_SWAP_VARIABLES; + + __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); + + 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_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_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int __glXDispSwap_GetSeparableFilterEXT(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); + + return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); +} + +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; + __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); + + CALL_GetConvolutionParameteriv( GET_DISPATCH(), (target, GL_CONVOLUTION_WIDTH, &width) ); + if (target == GL_CONVOLUTION_2D) { + 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_SWAP_REPLY_HEADER(); + } else { + __GLX_BEGIN_REPLY(compsize); + __GLX_SWAP_REPLY_HEADER(); + __GLX_SWAP_INT(&width); + __GLX_SWAP_INT(&height); + ((xGLXGetConvolutionFilterReply *)&__glXReply)->width = width; + ((xGLXGetConvolutionFilterReply *)&__glXReply)->height = height; + __GLX_SEND_VOID_ARRAY(compsize); + } + + return Success; +} + +int __glXDispSwap_GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int __glXDispSwap_GetConvolutionFilterEXT(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); + + return GetConvolutionFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); +} + +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; + + 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); + + CALL_GetHistogramParameteriv( GET_DISPATCH(), (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) compsize = 0; + + CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes) ); + __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1); + __glXClearErrorOccured(); + CALL_GetHistogram( 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_SWAP_INT(&width); + ((xGLXGetHistogramReply *)&__glXReply)->width = width; + __GLX_SEND_VOID_ARRAY(compsize); + } + + return Success; +} + +int __glXDispSwap_GetHistogram(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int __glXDispSwap_GetHistogramEXT(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); + + return GetHistogram(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); +} + +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; +} + +int __glXDispSwap_GetMinmax(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int __glXDispSwap_GetMinmaxEXT(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); + + return GetMinmax(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); +} + +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; +} + +int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int __glXDispSwap_GetColorTableSGI(__GLXclientState *cl, GLbyte *pc) +{ + const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); + + return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); +} |