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Diffstat (limited to 'nx-X11/programs/Xserver/GL/glx/singlepix.c')
-rw-r--r--nx-X11/programs/Xserver/GL/glx/singlepix.c469
1 files changed, 469 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/GL/glx/singlepix.c b/nx-X11/programs/Xserver/GL/glx/singlepix.c
new file mode 100644
index 000000000..9e3e36333
--- /dev/null
+++ b/nx-X11/programs/Xserver/GL/glx/singlepix.c
@@ -0,0 +1,469 @@
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "glxserver.h"
+#include "glxext.h"
+#include "singlesize.h"
+#include "unpack.h"
+#include "g_disptab.h"
+#include "g_disptab_EXT.h"
+
+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];
+
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 28);
+
+ 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) 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_SEND_HEADER();
+ } else {
+ __GLX_BEGIN_REPLY(compsize);
+ __GLX_SEND_HEADER();
+ __GLX_SEND_VOID_ARRAY(compsize);
+ }
+ return Success;
+}
+
+int __glXDisp_GetTexImage(__GLXclientState *cl, GLbyte *pc)
+{
+ GLint level, compsize;
+ GLenum format, type, target;
+ GLboolean swapBytes;
+ __GLXcontext *cx;
+ ClientPtr client = cl->client;
+ int error;
+ char *answer, answerBuffer[200];
+ GLint width=0, height=0, depth=1;
+
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 20);
+ cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+ if (!cx) {
+ return error;
+ }
+
+ pc += __GLX_SINGLE_HDR_SIZE;
+ level = *(GLint *)(pc + 4);
+ format = *(GLenum *)(pc + 8);
+ type = *(GLenum *)(pc + 12);
+ target = *(GLenum *)(pc + 0);
+ swapBytes = *(GLboolean *)(pc + 16);
+
+ glGetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH, &width);
+ glGetTexLevelParameteriv(target, level, GL_TEXTURE_HEIGHT, &height);
+ if ( target == GL_TEXTURE_3D) {
+ glGetTexLevelParameteriv(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) return BadLength;
+
+ glPixelStorei(GL_PACK_SWAP_BYTES, swapBytes);
+ __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
+ __glXClearErrorOccured();
+ glGetTexImage(
+ *(GLenum *)(pc + 0),
+ *(GLint *)(pc + 4),
+ *(GLenum *)(pc + 8),
+ *(GLenum *)(pc + 12),
+ answer
+ );
+
+ if (__glXErrorOccured()) {
+ __GLX_BEGIN_REPLY(0);
+ __GLX_SEND_HEADER();
+ } else {
+ __GLX_BEGIN_REPLY(compsize);
+ ((xGLXGetTexImageReply *)&__glXReply)->width = width;
+ ((xGLXGetTexImageReply *)&__glXReply)->height = height;
+ ((xGLXGetTexImageReply *)&__glXReply)->depth = depth;
+ __GLX_SEND_HEADER();
+ __GLX_SEND_VOID_ARRAY(compsize);
+ }
+ 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);
+
+ 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_SEND_HEADER();
+ } else {
+ __GLX_BEGIN_REPLY(128);
+ __GLX_SEND_HEADER();
+ __GLX_SEND_BYTE_ARRAY(128);
+ }
+ return Success;
+}
+
+int __glXDisp_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc)
+{
+ GLint compsize, compsize2;
+ GLenum format, type, target;
+ GLboolean swapBytes;
+ __GLXcontext *cx;
+ ClientPtr client = cl->client;
+ int error;
+ char *answer, answerBuffer[200];
+ GLint width=0, height=0;
+
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
+ cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+ if (!cx) {
+ return error;
+ }
+
+ pc += __GLX_SINGLE_HDR_SIZE;
+ 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_SEND_HEADER();
+ } else {
+ __GLX_BEGIN_REPLY(compsize + compsize2);
+ ((xGLXGetSeparableFilterReply *)&__glXReply)->width = width;
+ ((xGLXGetSeparableFilterReply *)&__glXReply)->height = height;
+ __GLX_SEND_HEADER();
+ __GLX_SEND_VOID_ARRAY(compsize + compsize2);
+ }
+
+ return Success;
+}
+
+int __glXDisp_GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc)
+{
+ 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;
+
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
+ cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+ if (!cx) {
+ return error;
+ }
+
+ pc += __GLX_SINGLE_HDR_SIZE;
+ format = *(GLenum *)(pc + 4);
+ type = *(GLenum *)(pc + 8);
+ target = *(GLenum *)(pc + 0);
+ swapBytes = *(GLboolean *)(pc + 12);
+
+ glGetConvolutionParameteriv(target, GL_CONVOLUTION_WIDTH, &width);
+ if (target == GL_CONVOLUTION_1D) {
+ height = 1;
+ } else {
+ 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,height,1);
+ if (compsize < 0) return BadLength;
+
+ glPixelStorei(GL_PACK_SWAP_BYTES, swapBytes);
+ __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
+ __glXClearErrorOccured();
+ glGetConvolutionFilter(
+ *(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 __glXDisp_GetHistogram(__GLXclientState *cl, GLbyte *pc)
+{
+ GLint compsize;
+ GLenum format, type, target;
+ GLboolean swapBytes, reset;
+ __GLXcontext *cx;
+ ClientPtr client = cl->client;
+ int error;
+ char *answer, answerBuffer[200];
+ GLint width=0;
+
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
+
+ cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+ if (!cx) {
+ return error;
+ }
+
+ pc += __GLX_SINGLE_HDR_SIZE;
+ 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_SEND_HEADER();
+ } else {
+ __GLX_BEGIN_REPLY(compsize);
+ ((xGLXGetHistogramReply *)&__glXReply)->width = width;
+ __GLX_SEND_HEADER();
+ __GLX_SEND_VOID_ARRAY(compsize);
+ }
+
+ return Success;
+}
+
+int __glXDisp_GetMinmax(__GLXclientState *cl, GLbyte *pc)
+{
+ GLint compsize;
+ GLenum format, type, target;
+ GLboolean swapBytes, reset;
+ __GLXcontext *cx;
+ ClientPtr client = cl->client;
+ int error;
+ char *answer, answerBuffer[200];
+
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
+
+ cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+ if (!cx) {
+ return error;
+ }
+
+ pc += __GLX_SINGLE_HDR_SIZE;
+ 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_SEND_HEADER();
+ } else {
+ __GLX_BEGIN_REPLY(compsize);
+ __GLX_SEND_HEADER();
+ __GLX_SEND_VOID_ARRAY(compsize);
+ }
+
+ return Success;
+}
+
+int __glXDisp_GetColorTable(__GLXclientState *cl, GLbyte *pc)
+{
+ GLint compsize;
+ GLenum format, type, target;
+ GLboolean swapBytes;
+ __GLXcontext *cx;
+ ClientPtr client = cl->client;
+ int error;
+ char *answer, answerBuffer[200];
+ GLint width=0;
+
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
+
+ cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+ if (!cx) {
+ return error;
+ }
+
+ pc += __GLX_SINGLE_HDR_SIZE;
+ target = *(GLenum *)(pc + 0);
+ format = *(GLenum *)(pc + 4);
+ type = *(GLenum *)(pc + 8);
+ swapBytes = *(GLboolean *)(pc + 12);
+
+ glGetColorTableParameteriv(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) return BadLength;
+
+ glPixelStorei(GL_PACK_SWAP_BYTES, swapBytes);
+ __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
+ __glXClearErrorOccured();
+ glGetColorTable(
+ *(GLenum *)(pc + 0),
+ *(GLenum *)(pc + 4),
+ *(GLenum *)(pc + 8),
+ answer
+ );
+
+ if (__glXErrorOccured()) {
+ __GLX_BEGIN_REPLY(0);
+ __GLX_SEND_HEADER();
+ } else {
+ __GLX_BEGIN_REPLY(compsize);
+ ((xGLXGetColorTableReply *)&__glXReply)->width = width;
+ __GLX_SEND_HEADER();
+ __GLX_SEND_VOID_ARRAY(compsize);
+ }
+
+ return Success;
+}
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