diff options
author | Kristian Høgsberg <krh@bitplanet.net> | 2010-02-09 09:58:36 -0500 |
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committer | Kristian Høgsberg <krh@bitplanet.net> | 2010-02-09 09:58:36 -0500 |
commit | 6e8897ff9f90601ebf6eed500ad942c11b54d1f7 (patch) | |
tree | 5a90891cfbccbf5c03f792abb2a2407c82872778 /src/glx/x11/compsize.c | |
parent | 538539d8791e5b3b1ea2e95473b589934d94497e (diff) |
Retire miniglx and move the actual glx code up to src/glx
Diffstat (limited to 'src/glx/x11/compsize.c')
-rw-r--r-- | src/glx/x11/compsize.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/src/glx/x11/compsize.c b/src/glx/x11/compsize.c deleted file mode 100644 index 5ba6dc919e..0000000000 --- a/src/glx/x11/compsize.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) - * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice including the dates of first publication and - * either this permission notice or a reference to - * http://oss.sgi.com/projects/FreeB/ - * shall be included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of Silicon Graphics, Inc. - * shall not be used in advertising or otherwise to promote the sale, use or - * other dealings in this Software without prior written authorization from - * Silicon Graphics, Inc. - */ - -#include <GL/gl.h> -#include "glxclient.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; -} |