From a29e6dd2d2d45c18c52737bb3b7945aafcea5032 Mon Sep 17 00:00:00 2001
From: Ian Romanick <idr@umwelt.(none)>
Date: Thu, 24 Aug 2006 17:58:52 -0700
Subject: [PATCH] Add some missing bits of GL_SGI_color_table.

---
 GL/glx/indirect_size_get.c |  2 ++
 GL/glx/indirect_size_get.h |  2 ++
 GL/glx/singlepix.c         | 53 ++++++++++++++++++++++++++++++++++
 GL/glx/singlepixswap.c     | 59 ++++++++++++++++++++++++++++++++++++++
 4 files changed, 116 insertions(+)

diff --git a/GL/glx/indirect_size_get.c b/GL/glx/indirect_size_get.c
index a81465530..c16b29a89 100644
--- a/GL/glx/indirect_size_get.c
+++ b/GL/glx/indirect_size_get.c
@@ -1154,6 +1154,8 @@ ALIAS( GetMinmaxParameteriv, GetMinmaxParameterfv )
 ALIAS( GetVertexAttribfvARB, GetVertexAttribdvARB )
 ALIAS( GetVertexAttribivARB, GetVertexAttribdvARB )
 ALIAS( GetQueryObjectuivARB, GetQueryObjectivARB )
+ALIAS( GetColorTableParameterfvSGI, GetColorTableParameterfv )
+ALIAS( GetColorTableParameterivSGI, GetColorTableParameterfv )
 ALIAS( GetVertexAttribfvNV, GetVertexAttribdvNV )
 ALIAS( GetVertexAttribivNV, GetVertexAttribdvNV )
 ALIAS( PointParameterivNV, PointParameterfvEXT )
diff --git a/GL/glx/indirect_size_get.h b/GL/glx/indirect_size_get.h
index 3e46b3fdd..c6f9532ce 100644
--- a/GL/glx/indirect_size_get.h
+++ b/GL/glx/indirect_size_get.h
@@ -86,6 +86,8 @@ extern INTERNAL PURE FASTCALL GLint __glGetVertexAttribivARB_size(GLenum);
 extern INTERNAL PURE FASTCALL GLint __glGetQueryObjectivARB_size(GLenum);
 extern INTERNAL PURE FASTCALL GLint __glGetQueryObjectuivARB_size(GLenum);
 extern INTERNAL PURE FASTCALL GLint __glGetQueryivARB_size(GLenum);
+extern INTERNAL PURE FASTCALL GLint __glGetColorTableParameterfvSGI_size(GLenum);
+extern INTERNAL PURE FASTCALL GLint __glGetColorTableParameterivSGI_size(GLenum);
 extern INTERNAL PURE FASTCALL GLint __glGetProgramivNV_size(GLenum);
 extern INTERNAL PURE FASTCALL GLint __glGetVertexAttribdvNV_size(GLenum);
 extern INTERNAL PURE FASTCALL GLint __glGetVertexAttribfvNV_size(GLenum);
diff --git a/GL/glx/singlepix.c b/GL/glx/singlepix.c
index 10a16b141..62588b0d0 100644
--- a/GL/glx/singlepix.c
+++ b/GL/glx/singlepix.c
@@ -463,6 +463,59 @@ int __glXDisp_GetColorTable(__GLXclientState *cl, GLbyte *pc)
     return Success;
 }
 
+int __glXDisp_GetColorTableSGI(__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;
+
+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+    if (!cx) {
+	return error;
+    }
+
+    pc += __GLX_VENDPRIV_HDR_SIZE;
+    target = *(GLenum *)(pc + 0);
+    format = *(GLenum *)(pc + 4);
+    type = *(GLenum *)(pc + 8);
+    swapBytes = *(GLboolean *)(pc + 12);
+
+    CALL_GetColorTableParameterivSGI( 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_GetColorTableSGI( 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_GetCompressedTexImageARB(__GLXclientState *cl, GLbyte *pc)
 {
     return BadRequest;
diff --git a/GL/glx/singlepixswap.c b/GL/glx/singlepixswap.c
index b22dc5f53..d5510b9c0 100644
--- a/GL/glx/singlepixswap.c
+++ b/GL/glx/singlepixswap.c
@@ -518,6 +518,65 @@ int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc)
     return Success;
 }
 
+int __glXDispSwap_GetColorTableSGI(__GLXclientState *cl, GLbyte *pc)
+{
+    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, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+    if (!cx) {
+	return error;
+    }
+
+    pc += __GLX_VENDPRIV_HDR_SIZE;
+    __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_GetColorTableParameterivSGI( 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_GetColorTableSGI( 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_GetCompressedTexImageARB(__GLXclientState *cl, GLbyte *pc)
 {
     return BadRequest;