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Diffstat (limited to 'xorg-server/glx/singlesize.c')
| -rw-r--r-- | xorg-server/glx/singlesize.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/xorg-server/glx/singlesize.c b/xorg-server/glx/singlesize.c new file mode 100644 index 000000000..b5a74f30d --- /dev/null +++ b/xorg-server/glx/singlesize.c @@ -0,0 +1,198 @@ +/* +** 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 ); +} |