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/*
* 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);
}
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