69b79c1a66
Under the terms of version 1.1, "once Covered Code has been published under a particular version of the License, Recipient may, for the duration of the License, continue to use it under the terms of that version, or choose to use such Covered Code under the terms of any subsequent version published by SGI." FreeB 2.0 license refers to "dates of first publication". They are here taken to be 1991-2000, as noted in the original license text: ** 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. Official FreeB 2.0 text: http://oss.sgi.com/projects/FreeB/SGIFreeSWLicB.2.0.pdf As always, this code has not been tested for conformance with the OpenGL specification. OpenGL conformance testing is available from http://khronos.org/ and is required for use of the OpenGL logo in product advertising and promotion.
559 lines
12 KiB
C
559 lines
12 KiB
C
/*
|
|
* 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>
|
|
|
|
GLint __glFogiv_size(GLenum pname)
|
|
{
|
|
switch (pname) {
|
|
case GL_FOG_COLOR: return 4;
|
|
case GL_FOG_DENSITY: return 1;
|
|
case GL_FOG_END: return 1;
|
|
case GL_FOG_MODE: return 1;
|
|
case GL_FOG_INDEX: return 1;
|
|
case GL_FOG_START: return 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
GLint __glFogfv_size(GLenum pname)
|
|
{
|
|
return __glFogiv_size(pname);
|
|
}
|
|
|
|
GLint __glCallLists_size(GLsizei n, GLenum type)
|
|
{
|
|
GLint size;
|
|
|
|
if (n < 0) return 0;
|
|
switch (type) {
|
|
case GL_BYTE: size = 1; break;
|
|
case GL_UNSIGNED_BYTE: size = 1; break;
|
|
case GL_SHORT: size = 2; break;
|
|
case GL_UNSIGNED_SHORT: size = 2; break;
|
|
case GL_INT: size = 4; break;
|
|
case GL_UNSIGNED_INT: size = 4; break;
|
|
case GL_FLOAT: size = 4; break;
|
|
case GL_2_BYTES: size = 2; break;
|
|
case GL_3_BYTES: size = 3; break;
|
|
case GL_4_BYTES: size = 4; break;
|
|
default:
|
|
return 0;
|
|
}
|
|
return n * size;
|
|
}
|
|
|
|
GLint __glDrawPixels_size(GLenum format, GLenum type, GLsizei w, GLsizei h)
|
|
{
|
|
GLint elements, esize;
|
|
|
|
switch (format) {
|
|
case GL_COLOR_INDEX:
|
|
case GL_STENCIL_INDEX:
|
|
case GL_DEPTH_COMPONENT:
|
|
elements = 1;
|
|
break;
|
|
case GL_RED:
|
|
case GL_GREEN:
|
|
case GL_BLUE:
|
|
case GL_ALPHA:
|
|
case GL_LUMINANCE:
|
|
elements = 1;
|
|
break;
|
|
case GL_LUMINANCE_ALPHA:
|
|
elements = 2;
|
|
break;
|
|
case GL_RGB:
|
|
elements = 3;
|
|
break;
|
|
case GL_RGBA:
|
|
case GL_ABGR_EXT:
|
|
elements = 4;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
switch (type) {
|
|
case GL_BITMAP:
|
|
if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {
|
|
return (h * ((w+7)/8));
|
|
} else {
|
|
return 0;
|
|
}
|
|
case GL_BYTE:
|
|
case GL_UNSIGNED_BYTE:
|
|
esize = 1;
|
|
break;
|
|
case GL_UNSIGNED_BYTE_3_3_2:
|
|
case GL_UNSIGNED_BYTE_2_3_3_REV:
|
|
esize = 1;
|
|
elements = 1;
|
|
break;
|
|
case GL_SHORT:
|
|
case GL_UNSIGNED_SHORT:
|
|
esize = 2;
|
|
break;
|
|
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:
|
|
esize = 2;
|
|
elements = 1;
|
|
break;
|
|
case GL_INT:
|
|
case GL_UNSIGNED_INT:
|
|
case GL_FLOAT:
|
|
esize = 4;
|
|
break;
|
|
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:
|
|
esize = 4;
|
|
elements = 1;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
return (elements * esize * w * h);
|
|
}
|
|
|
|
GLint __glBitmap_size(GLsizei w, GLsizei h)
|
|
{
|
|
return __glDrawPixels_size(GL_COLOR_INDEX, GL_BITMAP, w, h);
|
|
}
|
|
|
|
GLint __glTexGendv_size(GLenum e)
|
|
{
|
|
switch (e) {
|
|
case GL_TEXTURE_GEN_MODE:
|
|
return 1;
|
|
case GL_OBJECT_PLANE:
|
|
case GL_EYE_PLANE:
|
|
return 4;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
GLint __glTexGenfv_size(GLenum e)
|
|
{
|
|
return __glTexGendv_size(e);
|
|
}
|
|
|
|
GLint __glTexGeniv_size(GLenum e)
|
|
{
|
|
return __glTexGendv_size(e);
|
|
}
|
|
|
|
GLint __glTexParameterfv_size(GLenum e)
|
|
{
|
|
switch (e) {
|
|
case GL_TEXTURE_WRAP_S:
|
|
case GL_TEXTURE_WRAP_T:
|
|
case GL_TEXTURE_WRAP_R:
|
|
case GL_TEXTURE_MIN_FILTER:
|
|
case GL_TEXTURE_MAG_FILTER:
|
|
return 1;
|
|
case GL_TEXTURE_BORDER_COLOR:
|
|
return 4;
|
|
case GL_TEXTURE_PRIORITY:
|
|
return 1;
|
|
case GL_TEXTURE_MIN_LOD:
|
|
case GL_TEXTURE_MAX_LOD:
|
|
case GL_TEXTURE_BASE_LEVEL:
|
|
case GL_TEXTURE_MAX_LEVEL:
|
|
return 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
GLint __glTexParameteriv_size(GLenum e)
|
|
{
|
|
return __glTexParameterfv_size(e);
|
|
}
|
|
|
|
GLint __glTexEnvfv_size(GLenum e)
|
|
{
|
|
switch (e) {
|
|
case GL_TEXTURE_ENV_MODE:
|
|
return 1;
|
|
case GL_TEXTURE_ENV_COLOR:
|
|
return 4;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
GLint __glTexEnviv_size(GLenum e)
|
|
{
|
|
return __glTexEnvfv_size(e);
|
|
}
|
|
|
|
GLint __glTexImage1D_size(GLenum format, GLenum type, GLsizei w)
|
|
{
|
|
GLint elements, esize;
|
|
|
|
if (w < 0) return 0;
|
|
switch (format) {
|
|
case GL_COLOR_INDEX:
|
|
elements = 1;
|
|
break;
|
|
case GL_RED:
|
|
case GL_GREEN:
|
|
case GL_BLUE:
|
|
case GL_ALPHA:
|
|
case GL_LUMINANCE:
|
|
elements = 1;
|
|
break;
|
|
case GL_LUMINANCE_ALPHA:
|
|
elements = 2;
|
|
break;
|
|
case GL_RGB:
|
|
elements = 3;
|
|
break;
|
|
case GL_RGBA:
|
|
case GL_ABGR_EXT:
|
|
elements = 4;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
switch (type) {
|
|
case GL_BITMAP:
|
|
if (format == GL_COLOR_INDEX) {
|
|
return (w+7)/8;
|
|
} else {
|
|
return 0;
|
|
}
|
|
case GL_BYTE:
|
|
case GL_UNSIGNED_BYTE:
|
|
esize = 1;
|
|
break;
|
|
case GL_UNSIGNED_BYTE_3_3_2:
|
|
case GL_UNSIGNED_BYTE_2_3_3_REV:
|
|
esize = 1;
|
|
elements = 1;
|
|
break;
|
|
case GL_SHORT:
|
|
case GL_UNSIGNED_SHORT:
|
|
esize = 2;
|
|
break;
|
|
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:
|
|
esize = 2;
|
|
elements = 1;
|
|
break;
|
|
case GL_INT:
|
|
case GL_UNSIGNED_INT:
|
|
case GL_FLOAT:
|
|
esize = 4;
|
|
break;
|
|
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:
|
|
esize = 4;
|
|
elements = 1;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
return (elements * esize * w);
|
|
}
|
|
|
|
GLint __glTexImage2D_size(GLenum format, GLenum type, GLsizei w, GLsizei h)
|
|
{
|
|
GLint elements, esize;
|
|
|
|
if (w < 0) return 0;
|
|
if (h < 0) return 0;
|
|
switch (format) {
|
|
case GL_COLOR_INDEX:
|
|
elements = 1;
|
|
break;
|
|
case GL_RED:
|
|
case GL_GREEN:
|
|
case GL_BLUE:
|
|
case GL_ALPHA:
|
|
case GL_LUMINANCE:
|
|
elements = 1;
|
|
break;
|
|
case GL_LUMINANCE_ALPHA:
|
|
elements = 2;
|
|
break;
|
|
case GL_RGB:
|
|
elements = 3;
|
|
break;
|
|
case GL_RGBA:
|
|
case GL_ABGR_EXT:
|
|
elements = 4;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
switch (type) {
|
|
case GL_BITMAP:
|
|
if (format == GL_COLOR_INDEX) {
|
|
return (h * ((w+7)/8));
|
|
} else {
|
|
return 0;
|
|
}
|
|
case GL_BYTE:
|
|
case GL_UNSIGNED_BYTE:
|
|
esize = 1;
|
|
break;
|
|
case GL_UNSIGNED_BYTE_3_3_2:
|
|
case GL_UNSIGNED_BYTE_2_3_3_REV:
|
|
esize = 1;
|
|
elements = 1;
|
|
break;
|
|
case GL_SHORT:
|
|
case GL_UNSIGNED_SHORT:
|
|
esize = 2;
|
|
break;
|
|
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:
|
|
esize = 2;
|
|
elements = 1;
|
|
break;
|
|
case GL_INT:
|
|
case GL_UNSIGNED_INT:
|
|
case GL_FLOAT:
|
|
esize = 4;
|
|
break;
|
|
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:
|
|
esize = 4;
|
|
elements = 1;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
return (elements * esize * w * h);
|
|
}
|
|
|
|
GLint __glTexImage3D_size(GLenum format, GLenum type, GLsizei w, GLsizei h,
|
|
GLsizei d)
|
|
{
|
|
GLint elements, esize;
|
|
|
|
if (w < 0) return 0;
|
|
if (h < 0) return 0;
|
|
if (d < 0) return 0;
|
|
switch (format) {
|
|
case GL_COLOR_INDEX:
|
|
elements = 1;
|
|
break;
|
|
case GL_RED:
|
|
case GL_GREEN:
|
|
case GL_BLUE:
|
|
case GL_ALPHA:
|
|
case GL_LUMINANCE:
|
|
elements = 1;
|
|
break;
|
|
case GL_LUMINANCE_ALPHA:
|
|
elements = 2;
|
|
break;
|
|
case GL_RGB:
|
|
elements = 3;
|
|
break;
|
|
case GL_RGBA:
|
|
case GL_ABGR_EXT:
|
|
elements = 4;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
switch (type) {
|
|
case GL_BITMAP:
|
|
if (format == GL_COLOR_INDEX) {
|
|
return (d * (h * ((w+7)/8)));
|
|
} else {
|
|
return 0;
|
|
}
|
|
case GL_BYTE:
|
|
case GL_UNSIGNED_BYTE:
|
|
esize = 1;
|
|
break;
|
|
case GL_UNSIGNED_BYTE_3_3_2:
|
|
case GL_UNSIGNED_BYTE_2_3_3_REV:
|
|
esize = 1;
|
|
elements = 1;
|
|
break;
|
|
case GL_SHORT:
|
|
case GL_UNSIGNED_SHORT:
|
|
esize = 2;
|
|
break;
|
|
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:
|
|
esize = 2;
|
|
elements = 1;
|
|
break;
|
|
case GL_INT:
|
|
case GL_UNSIGNED_INT:
|
|
case GL_FLOAT:
|
|
esize = 4;
|
|
break;
|
|
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:
|
|
esize = 4;
|
|
elements = 1;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
return (elements * esize * w * h * d);
|
|
}
|
|
|
|
GLint __glLightfv_size(GLenum pname)
|
|
{
|
|
switch (pname) {
|
|
case GL_SPOT_EXPONENT: return 1;
|
|
case GL_SPOT_CUTOFF: return 1;
|
|
case GL_AMBIENT: return 4;
|
|
case GL_DIFFUSE: return 4;
|
|
case GL_SPECULAR: return 4;
|
|
case GL_POSITION: return 4;
|
|
case GL_SPOT_DIRECTION: return 3;
|
|
case GL_CONSTANT_ATTENUATION: return 1;
|
|
case GL_LINEAR_ATTENUATION: return 1;
|
|
case GL_QUADRATIC_ATTENUATION: return 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
GLint __glLightiv_size(GLenum pname)
|
|
{
|
|
return __glLightfv_size(pname);
|
|
}
|
|
|
|
GLint __glLightModelfv_size(GLenum pname)
|
|
{
|
|
switch (pname) {
|
|
case GL_LIGHT_MODEL_AMBIENT: return 4;
|
|
case GL_LIGHT_MODEL_LOCAL_VIEWER: return 1;
|
|
case GL_LIGHT_MODEL_TWO_SIDE: return 1;
|
|
case GL_LIGHT_MODEL_COLOR_CONTROL: return 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
GLint __glLightModeliv_size(GLenum pname)
|
|
{
|
|
return __glLightModelfv_size(pname);
|
|
}
|
|
|
|
GLint __glMaterialfv_size(GLenum pname)
|
|
{
|
|
switch (pname) {
|
|
case GL_SHININESS: return 1;
|
|
case GL_EMISSION: return 4;
|
|
case GL_AMBIENT: return 4;
|
|
case GL_DIFFUSE: return 4;
|
|
case GL_SPECULAR: return 4;
|
|
case GL_AMBIENT_AND_DIFFUSE: return 4;
|
|
case GL_COLOR_INDEXES: return 3;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
GLint __glMaterialiv_size(GLenum pname)
|
|
{
|
|
return __glMaterialfv_size(pname);
|
|
}
|
|
|
|
GLint __glColorTableParameterfv_size(GLenum pname)
|
|
{
|
|
switch (pname) {
|
|
case GL_COLOR_TABLE_FORMAT:
|
|
case GL_COLOR_TABLE_WIDTH:
|
|
case GL_COLOR_TABLE_RED_SIZE:
|
|
case GL_COLOR_TABLE_GREEN_SIZE:
|
|
case GL_COLOR_TABLE_BLUE_SIZE:
|
|
case GL_COLOR_TABLE_ALPHA_SIZE:
|
|
case GL_COLOR_TABLE_LUMINANCE_SIZE:
|
|
case GL_COLOR_TABLE_INTENSITY_SIZE:
|
|
return 1;
|
|
case GL_COLOR_TABLE_SCALE:
|
|
case GL_COLOR_TABLE_BIAS:
|
|
return 4;
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
GLint __glColorTableParameteriv_size(GLenum pname)
|
|
{
|
|
return __glColorTableParameterfv_size(pname);
|
|
}
|
|
|
|
GLint __glConvolutionParameterfv_size(GLenum pname)
|
|
{
|
|
switch(pname) {
|
|
case GL_CONVOLUTION_BORDER_MODE:
|
|
return 1;
|
|
case GL_CONVOLUTION_BORDER_COLOR:
|
|
case GL_CONVOLUTION_FILTER_SCALE:
|
|
case GL_CONVOLUTION_FILTER_BIAS:
|
|
return 4;
|
|
default: /* error: bad enum value */
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
GLint __glConvolutionParameteriv_size(GLenum pname)
|
|
{
|
|
return __glConvolutionParameterfv_size(pname);
|
|
}
|