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+/*
+** 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 <GL/gl.h>
+#include "glxserver.h"
+#include "singlesize.h"
+#include "indirect_size_get.h"
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.h"
+
+/*
+** These routines compute the size of variable-size returned parameters.
+** Unlike the similar routines that do the same thing for variable-size
+** incoming parameters, the samplegl library itself doesn't use these routines.
+** Hence, they are located here, in the GLX extension library.
+*/
+
+GLint __glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h)
+{
+ return __glXImageSize( format, type, 0, w, h, 1, 0, 0, 0, 0, 4 );
+}
+
+GLint __glGetMap_size(GLenum target, GLenum query)
+{
+ GLint k, order=0, majorMinor[2];
+
+ /*
+ ** Assume target and query are both valid.
+ */
+ switch (target) {
+ case GL_MAP1_COLOR_4:
+ case GL_MAP1_NORMAL:
+ case GL_MAP1_INDEX:
+ case GL_MAP1_TEXTURE_COORD_1:
+ case GL_MAP1_TEXTURE_COORD_2:
+ case GL_MAP1_TEXTURE_COORD_3:
+ case GL_MAP1_TEXTURE_COORD_4:
+ case GL_MAP1_VERTEX_3:
+ case GL_MAP1_VERTEX_4:
+ switch (query) {
+ case GL_COEFF:
+ k = __glMap1d_size(target);
+ CALL_GetMapiv( GET_DISPATCH(), (target, GL_ORDER, &order) );
+ /*
+ ** The query above might fail, but then order will be zero anyway.
+ */
+ return (order * k);
+ case GL_DOMAIN:
+ return 2;
+ case GL_ORDER:
+ return 1;
+ }
+ break;
+ case GL_MAP2_COLOR_4:
+ case GL_MAP2_NORMAL:
+ case GL_MAP2_INDEX:
+ case GL_MAP2_TEXTURE_COORD_1:
+ case GL_MAP2_TEXTURE_COORD_2:
+ case GL_MAP2_TEXTURE_COORD_3:
+ case GL_MAP2_TEXTURE_COORD_4:
+ case GL_MAP2_VERTEX_3:
+ case GL_MAP2_VERTEX_4:
+ switch (query) {
+ case GL_COEFF:
+ k = __glMap2d_size(target);
+ majorMinor[0] = majorMinor[1] = 0;
+ CALL_GetMapiv( GET_DISPATCH(), (target, GL_ORDER, majorMinor) );
+ /*
+ ** The query above might fail, but then majorMinor will be zeroes
+ */
+ return (majorMinor[0] * majorMinor[1] * k);
+ case GL_DOMAIN:
+ return 4;
+ case GL_ORDER:
+ return 2;
+ }
+ break;
+ }
+ return -1;
+}
+
+GLint __glGetMapdv_size(GLenum target, GLenum query)
+{
+ return __glGetMap_size(target, query);
+}
+
+GLint __glGetMapfv_size(GLenum target, GLenum query)
+{
+ return __glGetMap_size(target, query);
+}
+
+GLint __glGetMapiv_size(GLenum target, GLenum query)
+{
+ return __glGetMap_size(target, query);
+}
+
+GLint __glGetPixelMap_size(GLenum map)
+{
+ GLint size;
+ GLenum query;
+
+ switch (map) {
+ case GL_PIXEL_MAP_I_TO_I:
+ query = GL_PIXEL_MAP_I_TO_I_SIZE;
+ break;
+ case GL_PIXEL_MAP_S_TO_S:
+ query = GL_PIXEL_MAP_S_TO_S_SIZE;
+ break;
+ case GL_PIXEL_MAP_I_TO_R:
+ query = GL_PIXEL_MAP_I_TO_R_SIZE;
+ break;
+ case GL_PIXEL_MAP_I_TO_G:
+ query = GL_PIXEL_MAP_I_TO_G_SIZE;
+ break;
+ case GL_PIXEL_MAP_I_TO_B:
+ query = GL_PIXEL_MAP_I_TO_B_SIZE;
+ break;
+ case GL_PIXEL_MAP_I_TO_A:
+ query = GL_PIXEL_MAP_I_TO_A_SIZE;
+ break;
+ case GL_PIXEL_MAP_R_TO_R:
+ query = GL_PIXEL_MAP_R_TO_R_SIZE;
+ break;
+ case GL_PIXEL_MAP_G_TO_G:
+ query = GL_PIXEL_MAP_G_TO_G_SIZE;
+ break;
+ case GL_PIXEL_MAP_B_TO_B:
+ query = GL_PIXEL_MAP_B_TO_B_SIZE;
+ break;
+ case GL_PIXEL_MAP_A_TO_A:
+ query = GL_PIXEL_MAP_A_TO_A_SIZE;
+ break;
+ default:
+ return -1;
+ }
+ CALL_GetIntegerv( GET_DISPATCH(), (query, &size) );
+ return size;
+}
+
+GLint __glGetPixelMapfv_size(GLenum map)
+{
+ return __glGetPixelMap_size(map);
+}
+
+GLint __glGetPixelMapuiv_size(GLenum map)
+{
+ return __glGetPixelMap_size(map);
+}
+
+GLint __glGetPixelMapusv_size(GLenum map)
+{
+ return __glGetPixelMap_size(map);
+}
+
+GLint __glGetTexImage_size(GLenum target, GLint level, GLenum format,
+ GLenum type, GLint width, GLint height, GLint depth)
+{
+ return __glXImageSize( format, type, target, width, height, depth,
+ 0, 0, 0, 0, 4 );
+}