diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/glx/x11/compsize.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/glx/x11/compsize.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/nx-X11/extras/Mesa/src/glx/x11/compsize.c b/nx-X11/extras/Mesa/src/glx/x11/compsize.c deleted file mode 100644 index 34d66774c..000000000 --- a/nx-X11/extras/Mesa/src/glx/x11/compsize.c +++ /dev/null @@ -1,189 +0,0 @@ -/* -** 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. -** -*/ - -#include <GL/gl.h> -#include "indirect_size.h" - -/* -** Return the number of elements per group of a specified format -*/ -GLint __glElementsPerGroup(GLenum format, GLenum type) -{ - /* - ** To make row length computation valid for image extraction, - ** packed pixel types assume elements per group equals one. - */ - switch(type) { - case GL_UNSIGNED_BYTE_3_3_2: - case GL_UNSIGNED_BYTE_2_3_3_REV: - case GL_UNSIGNED_SHORT_5_6_5: - case GL_UNSIGNED_SHORT_5_6_5_REV: - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - case GL_UNSIGNED_SHORT_8_8_APPLE: - case GL_UNSIGNED_SHORT_8_8_REV_APPLE: - case GL_UNSIGNED_SHORT_15_1_MESA: - case GL_UNSIGNED_SHORT_1_15_REV_MESA: - case GL_UNSIGNED_INT_8_8_8_8: - case GL_UNSIGNED_INT_8_8_8_8_REV: - case GL_UNSIGNED_INT_10_10_10_2: - case GL_UNSIGNED_INT_2_10_10_10_REV: - case GL_UNSIGNED_INT_24_8_NV: - case GL_UNSIGNED_INT_24_8_MESA: - case GL_UNSIGNED_INT_8_24_REV_MESA: - return 1; - default: - break; - } - - switch(format) { - case GL_RGB: - case GL_BGR: - return 3; - case GL_422_EXT: - case GL_422_REV_EXT: - case GL_422_AVERAGE_EXT: - case GL_422_REV_AVERAGE_EXT: - case GL_YCBCR_422_APPLE: - case GL_LUMINANCE_ALPHA: - return 2; - case GL_RGBA: - case GL_BGRA: - case GL_ABGR_EXT: - return 4; - case GL_COLOR_INDEX: - case GL_STENCIL_INDEX: - case GL_DEPTH_COMPONENT: - case GL_RED: - case GL_GREEN: - case GL_BLUE: - case GL_ALPHA: - case GL_LUMINANCE: - case GL_INTENSITY: - return 1; - default: - return 0; - } -} - -/* -** Return the number of bytes per element, based on the element type (other -** than GL_BITMAP). -*/ -GLint __glBytesPerElement(GLenum type) -{ - switch(type) { - case GL_UNSIGNED_SHORT: - case GL_SHORT: - case GL_UNSIGNED_SHORT_5_6_5: - case GL_UNSIGNED_SHORT_5_6_5_REV: - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - case GL_UNSIGNED_SHORT_8_8_APPLE: - case GL_UNSIGNED_SHORT_8_8_REV_APPLE: - case GL_UNSIGNED_SHORT_15_1_MESA: - case GL_UNSIGNED_SHORT_1_15_REV_MESA: - return 2; - case GL_UNSIGNED_BYTE: - case GL_BYTE: - case GL_UNSIGNED_BYTE_3_3_2: - case GL_UNSIGNED_BYTE_2_3_3_REV: - return 1; - case GL_INT: - case GL_UNSIGNED_INT: - case GL_FLOAT: - case GL_UNSIGNED_INT_8_8_8_8: - case GL_UNSIGNED_INT_8_8_8_8_REV: - case GL_UNSIGNED_INT_10_10_10_2: - case GL_UNSIGNED_INT_2_10_10_10_REV: - case GL_UNSIGNED_INT_24_8_NV: - case GL_UNSIGNED_INT_24_8_MESA: - case GL_UNSIGNED_INT_8_24_REV_MESA: - return 4; - default: - return 0; - } -} - -/* -** Compute memory required for internal packed array of data of given type -** and format. -*/ -GLint __glImageSize(GLsizei width, GLsizei height, GLsizei depth, - GLenum format, GLenum type, GLenum target) -{ - int bytes_per_row; - int components; - - switch( target ) { - case GL_PROXY_TEXTURE_1D: - case GL_PROXY_TEXTURE_2D: - case GL_PROXY_TEXTURE_3D: - case GL_PROXY_TEXTURE_4D_SGIS: - case GL_PROXY_TEXTURE_CUBE_MAP: - case GL_PROXY_TEXTURE_RECTANGLE_ARB: - case GL_PROXY_HISTOGRAM: - case GL_PROXY_COLOR_TABLE: - case GL_PROXY_TEXTURE_COLOR_TABLE_SGI: - case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE: - case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE: - case GL_PROXY_POST_IMAGE_TRANSFORM_COLOR_TABLE_HP: - return 0; - } - - if (width < 0 || height < 0 || depth < 0) { - return 0; - } - - /* - ** Zero is returned if either format or type are invalid. - */ - components = __glElementsPerGroup(format,type); - if (type == GL_BITMAP) { - if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) { - bytes_per_row = (width + 7) >> 3; - } else { - return 0; - } - } else { - bytes_per_row = __glBytesPerElement(type) * width; - } - - return bytes_per_row * height * depth * components; -} |