560 lines
12 KiB
C
560 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>
|
|
#include "compsize.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);
|
|
}
|