Move GL/glx on level up now that it's the only thing left under GL.

1 files changed, 533 insertions, 0 deletions

diff --git a/glx/singlepix.c b/glx/singlepix.c
new file mode 100644
index 000000000..d6b96defc
--- /dev/null
+++ b/glx/singlepix.c
@@ -0,0 +1,533 @@
+/*
+** 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.
+**
+*/
+
+#define NEED_REPLIES
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "glxserver.h"
+#include "glxext.h"
+#include "singlesize.h"
+#include "unpack.h"
+#include "indirect_size_get.h"
+#include "indirect_dispatch.h"
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.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];
+
+    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);
+    }
+    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;
+
+    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);
+
+    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_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);
+
+    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 GetSeparableFilter(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)
+{
+    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;
+
+    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);
+
+    /* 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_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_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc)
+{
+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+
+    return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
+}
+
+int __glXDisp_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;
+    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 __glXDisp_GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc)
+{
+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+
+    return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
+}
+
+int __glXDisp_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;
+    char *answer, answerBuffer[200];
+    GLint width=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);
+    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_SEND_HEADER();
+    } else {
+	__GLX_BEGIN_REPLY(compsize);
+	((xGLXGetHistogramReply *)&__glXReply)->width = width;
+	__GLX_SEND_HEADER();
+	__GLX_SEND_VOID_ARRAY(compsize);
+    }
+
+    return Success;
+}
+
+int __glXDisp_GetHistogram(__GLXclientState *cl, GLbyte *pc)
+{
+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+
+    return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
+}
+
+int __glXDisp_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;
+    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_GetMinmax(__GLXclientState *cl, GLbyte *pc)
+{
+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+
+    return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
+}
+
+int __glXDisp_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;
+    char *answer, answerBuffer[200];
+    GLint width=0;
+
+    cx = __glXForceCurrent(cl, tag, &error);
+    if (!cx) {
+	return error;
+    }
+
+    target = *(GLenum *)(pc + 0);
+    format = *(GLenum *)(pc + 4);
+    type = *(GLenum *)(pc + 8);
+    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_SEND_HEADER();
+    } else {
+	__GLX_BEGIN_REPLY(compsize);
+	((xGLXGetColorTableReply *)&__glXReply)->width = width;
+	__GLX_SEND_HEADER();
+	__GLX_SEND_VOID_ARRAY(compsize);
+    }
+
+    return Success;
+}
+
+int __glXDisp_GetColorTable(__GLXclientState *cl, GLbyte *pc)
+{
+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+
+    return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
+}
+
+int __glXDisp_GetColorTableSGI(__GLXclientState *cl, GLbyte *pc)
+{
+    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
+
+    return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
+}