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git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60
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Sergey Semyonov (Serge)
2013-12-15 08:09:20 +00:00
parent 6c6781f799
commit 754f9336f0
5801 changed files with 1688660 additions and 0 deletions
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1676
contrib/sdk/samples/Mesa/engdemo.c Normal file
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contrib/sdk/samples/Mesa/gears.c Normal file
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#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "GL/osmesa.h"
#include "GL/glu.h"
#define XK_Left 176
#define XK_Right 179
#define XK_Up 178
#define XK_Down 177
extern GLfloat view_rotx, view_roty, view_rotz;
GLint gear1, gear2, gear3;
extern GLfloat angle;
static void gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
GLint teeth, GLfloat tooth_depth)
{
GLint i;
GLfloat r0, r1, r2;
GLfloat angle, da;
GLfloat u, v, len;
r0 = inner_radius;
r1 = outer_radius - tooth_depth / 2.0;
r2 = outer_radius + tooth_depth / 2.0;
da = 2.0 * M_PI / teeth / 4.0;
glShadeModel(GL_FLAT);
glNormal3f(0.0, 0.0, 1.0);
/* draw front face */
glBegin(GL_QUAD_STRIP);
for (i = 0; i <= teeth; i++) {
angle = i * 2.0 * M_PI / teeth;
glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
if (i < teeth) {
glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
width * 0.5);
}
}
glEnd();
/* draw front sides of teeth */
glBegin(GL_QUADS);
da = 2.0 * M_PI / teeth / 4.0;
for (i = 0; i < teeth; i++) {
angle = i * 2.0 * M_PI / teeth;
glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
width * 0.5);
glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
width * 0.5);
}
glEnd();
glNormal3f(0.0, 0.0, -1.0);
/* draw back face */
glBegin(GL_QUAD_STRIP);
for (i = 0; i <= teeth; i++) {
angle = i * 2.0 * M_PI / teeth;
glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
if (i < teeth) {
glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
-width * 0.5);
glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
}
}
glEnd();
/* draw back sides of teeth */
glBegin(GL_QUADS);
da = 2.0 * M_PI / teeth / 4.0;
for (i = 0; i < teeth; i++) {
angle = i * 2.0 * M_PI / teeth;
glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
-width * 0.5);
glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
-width * 0.5);
glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
}
glEnd();
/* draw outward faces of teeth */
glBegin(GL_QUAD_STRIP);
for (i = 0; i < teeth; i++) {
angle = i * 2.0 * M_PI / teeth;
glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
u = r2 * cos(angle + da) - r1 * cos(angle);
v = r2 * sin(angle + da) - r1 * sin(angle);
len = sqrt(u * u + v * v);
u /= len;
v /= len;
glNormal3f(v, -u, 0.0);
glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
glNormal3f(cos(angle), sin(angle), 0.0);
glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
width * 0.5);
glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
-width * 0.5);
u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
glNormal3f(v, -u, 0.0);
glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
width * 0.5);
glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
-width * 0.5);
glNormal3f(cos(angle), sin(angle), 0.0);
}
glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
glEnd();
glShadeModel(GL_SMOOTH);
/* draw inside radius cylinder */
glBegin(GL_QUAD_STRIP);
for (i = 0; i <= teeth; i++) {
angle = i * 2.0 * M_PI / teeth;
glNormal3f(-cos(angle), -sin(angle), 0.0);
glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
}
glEnd();
}
void Draw(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(view_rotx, 1.0, 0.0, 0.0);
glRotatef(view_roty, 0.0, 1.0, 0.0);
glRotatef(view_rotz, 0.0, 0.0, 1.0);
glPushMatrix();
glTranslatef(-3.0, -2.0, 0.0);
glRotatef(angle, 0.0, 0.0, 1.0);
glCallList(gear1);
glPopMatrix();
glPushMatrix();
glTranslatef(3.1, -2.0, 0.0);
glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
glCallList(gear2);
glPopMatrix();
glPushMatrix();
glTranslatef(-3.1, 4.2, 0.0);
glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
glCallList(gear3);
glPopMatrix();
glPopMatrix();
}
/* new window size or exposure */
void Reshape(int width, int height)
{
glViewport(0, 0, (GLint) width, (GLint) height);
GLfloat h = (GLfloat) height / (GLfloat) width;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.0, 0.0, -40.0);
}
void Init(void)
{
static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
glLightfv(GL_LIGHT0, GL_POSITION, pos);
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_DEPTH_TEST);
/* make the gears */
gear1 = glGenLists(1);
glNewList(gear1, GL_COMPILE);
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
gear(1.0, 4.0, 1.0, 20, 0.7);
glEndList();
gear2 = glGenLists(1);
glNewList(gear2, GL_COMPILE);
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
gear(0.5, 2.0, 2.0, 10, 0.7);
glEndList();
gear3 = glGenLists(1);
glNewList(gear3, GL_COMPILE);
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
gear(1.3, 2.0, 0.5, 10, 0.7);
glEndList();
glEnable(GL_NORMALIZE);
}
void Key(unsigned char code, int x, int y)
{
int i;
(void) x; (void) y;
if (code == XK_Left) {
view_roty += 5.0;
}
else if (code == XK_Right) {
view_roty -= 5.0;
}
else if (code == XK_Up) {
view_rotx += 5.0;
}
else if (code == XK_Down) {
view_rotx -= 5.0;
}
};
void Idle(void)
{
angle += 70.0 * 0.05; /* 70 degrees per second */
if (angle > 3600.0)
angle -= 3600.0;
}

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contrib/sdk/samples/Mesa/gluint.h Normal file
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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.
*/
#ifndef __gluint_h__
#define __gluint_h__
extern const unsigned char *__gluNURBSErrorString( int errnum );
extern const unsigned char *__gluTessErrorString( int errnum );
#ifdef _EXTENSIONS_
#define COS cosf
#define SIN sinf
#define SQRT sqrtf
#else
#define COS cos
#define SIN sin
#define SQRT sqrt
#endif
#endif /* __gluint_h__ */

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contrib/sdk/samples/Mesa/gluos.h Normal file
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/*
** gluos.h - operating system dependencies for GLU
**
*/
#ifdef __VMS
#ifdef __cplusplus
#pragma message disable nocordel
#pragma message disable codeunreachable
#pragma message disable codcauunr
#endif
#endif
#ifdef __WATCOMC__
/* Disable *lots* of warnings to get a clean build. I can't be bothered fixing the
* code at the moment, as it is pretty ugly.
*/
#pragma warning 7 10
#pragma warning 13 10
#pragma warning 14 10
#pragma warning 367 10
#pragma warning 379 10
#pragma warning 726 10
#pragma warning 836 10
#endif
#ifdef BUILD_FOR_SNAP
#include <stdlib.h>
#include <stdio.h>
#include <malloc.h>
#elif defined(_WIN32)
#include <stdlib.h> /* For _MAX_PATH definition */
#include <stdio.h>
#include <malloc.h>
#define WIN32_LEAN_AND_MEAN
#define NOGDI
#define NOIME
#define NOMINMAX
#define _WIN32_WINNT 0x0400
#ifndef STRICT
#define STRICT 1
#endif
#include <windows.h>
/* Disable warnings */
#pragma warning(disable : 4101)
#pragma warning(disable : 4244)
#pragma warning(disable : 4761)
#if defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
#pragma comment(linker, "/OPT:NOWIN98")
#endif
#elif defined(__OS2__)
#include <stdlib.h>
#include <stdio.h>
#include <malloc.h>
#define WINGDIAPI
#else
/* Disable Microsoft-specific keywords */
//#define GLAPIENTRY
//#define WINGDIAPI
#endif

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contrib/sdk/samples/Mesa/glut_shapes.c Normal file
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/* Copyright (c) Mark J. Kilgard, 1994, 1997. */
/**
(c) Copyright 1993, Silicon Graphics, Inc.
ALL RIGHTS RESERVED
Permission to use, copy, modify, and distribute this software
for any purpose and without fee is hereby granted, provided
that the above copyright notice appear in all copies and that
both the copyright notice and this permission notice appear in
supporting documentation, and that the name of Silicon
Graphics, Inc. not be used in advertising or publicity
pertaining to distribution of the software without specific,
written prior permission.
THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU
"AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR
OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO
EVENT SHALL SILICON GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE
ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR
CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER,
INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE,
SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR
NOT SILICON GRAPHICS, INC. HAS BEEN ADVISED OF THE POSSIBILITY
OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR
PERFORMANCE OF THIS SOFTWARE.
US Government Users Restricted Rights
Use, duplication, or disclosure by the Government is subject to
restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
(c)(1)(ii) of the Rights in Technical Data and Computer
Software clause at DFARS 252.227-7013 and/or in similar or
successor clauses in the FAR or the DOD or NASA FAR
Supplement. Unpublished-- rights reserved under the copyright
laws of the United States. Contractor/manufacturer is Silicon
Graphics, Inc., 2011 N. Shoreline Blvd., Mountain View, CA
94039-7311.
OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/
#include <math.h>
#include "gluos.h"
#include "gluint.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <GL/gl.h>
#include <GL/glu.h>
//#include "glutint.h"
#define GLUTAPIENTRY
/* Some <math.h> files do not define M_PI... */
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
static GLUquadricObj *quadObj;
#define QUAD_OBJ_INIT() { if(!quadObj) initQuadObj(); }
static void
initQuadObj(void)
{
quadObj = gluNewQuadric();
if (!quadObj)
{
printf("%s: out of memory.\n", __FUNCTION__);
abort();
};
// __glutFatalError("out of memory.");
}
/* CENTRY */
void GLUTAPIENTRY
glutWireSphere(GLdouble radius, GLint slices, GLint stacks)
{
QUAD_OBJ_INIT();
gluQuadricDrawStyle(quadObj, GLU_LINE);
gluQuadricNormals(quadObj, GLU_SMOOTH);
/* If we ever changed/used the texture or orientation state
of quadObj, we'd need to change it to the defaults here
with gluQuadricTexture and/or gluQuadricOrientation. */
gluSphere(quadObj, radius, slices, stacks);
}
void GLUTAPIENTRY
glutSolidSphere(GLdouble radius, GLint slices, GLint stacks)
{
QUAD_OBJ_INIT();
gluQuadricDrawStyle(quadObj, GLU_FILL);
gluQuadricNormals(quadObj, GLU_SMOOTH);
/* If we ever changed/used the texture or orientation state
of quadObj, we'd need to change it to the defaults here
with gluQuadricTexture and/or gluQuadricOrientation. */
gluSphere(quadObj, radius, slices, stacks);
}
void GLUTAPIENTRY
glutWireCone(GLdouble base, GLdouble height,
GLint slices, GLint stacks)
{
QUAD_OBJ_INIT();
gluQuadricDrawStyle(quadObj, GLU_LINE);
gluQuadricNormals(quadObj, GLU_SMOOTH);
/* If we ever changed/used the texture or orientation state
of quadObj, we'd need to change it to the defaults here
with gluQuadricTexture and/or gluQuadricOrientation. */
gluCylinder(quadObj, base, 0.0, height, slices, stacks);
}
void GLUTAPIENTRY
glutSolidCone(GLdouble base, GLdouble height,
GLint slices, GLint stacks)
{
QUAD_OBJ_INIT();
gluQuadricDrawStyle(quadObj, GLU_FILL);
gluQuadricNormals(quadObj, GLU_SMOOTH);
/* If we ever changed/used the texture or orientation state
of quadObj, we'd need to change it to the defaults here
with gluQuadricTexture and/or gluQuadricOrientation. */
gluCylinder(quadObj, base, 0.0, height, slices, stacks);
}
/* ENDCENTRY */
static void
drawBox(GLfloat size, GLenum type)
{
static GLfloat n[6][3] =
{
{-1.0, 0.0, 0.0},
{0.0, 1.0, 0.0},
{1.0, 0.0, 0.0},
{0.0, -1.0, 0.0},
{0.0, 0.0, 1.0},
{0.0, 0.0, -1.0}
};
static GLint faces[6][4] =
{
{0, 1, 2, 3},
{3, 2, 6, 7},
{7, 6, 5, 4},
{4, 5, 1, 0},
{5, 6, 2, 1},
{7, 4, 0, 3}
};
GLfloat v[8][3];
GLint i;
v[0][0] = v[1][0] = v[2][0] = v[3][0] = -size / 2;
v[4][0] = v[5][0] = v[6][0] = v[7][0] = size / 2;
v[0][1] = v[1][1] = v[4][1] = v[5][1] = -size / 2;
v[2][1] = v[3][1] = v[6][1] = v[7][1] = size / 2;
v[0][2] = v[3][2] = v[4][2] = v[7][2] = -size / 2;
v[1][2] = v[2][2] = v[5][2] = v[6][2] = size / 2;
for (i = 5; i >= 0; i--) {
glBegin(type);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][0]][0]);
glVertex3fv(&v[faces[i][1]][0]);
glVertex3fv(&v[faces[i][2]][0]);
glVertex3fv(&v[faces[i][3]][0]);
glEnd();
}
}
/* CENTRY */
void GLUTAPIENTRY
glutWireCube(GLdouble size)
{
drawBox(size, GL_LINE_LOOP);
}
void GLUTAPIENTRY
glutSolidCube(GLdouble size)
{
drawBox(size, GL_QUADS);
}
/* ENDCENTRY */
static void
doughnut(GLfloat r, GLfloat R, GLint nsides, GLint rings)
{
int i, j;
GLfloat theta, phi, theta1;
GLfloat cosTheta, sinTheta;
GLfloat cosTheta1, sinTheta1;
GLfloat ringDelta, sideDelta;
ringDelta = 2.0 * M_PI / rings;
sideDelta = 2.0 * M_PI / nsides;
theta = 0.0;
cosTheta = 1.0;
sinTheta = 0.0;
for (i = rings - 1; i >= 0; i--) {
theta1 = theta + ringDelta;
cosTheta1 = cos(theta1);
sinTheta1 = sin(theta1);
glBegin(GL_QUAD_STRIP);
phi = 0.0;
for (j = nsides; j >= 0; j--) {
GLfloat cosPhi, sinPhi, dist;
phi += sideDelta;
cosPhi = cos(phi);
sinPhi = sin(phi);
dist = R + r * cosPhi;
glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi);
glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi);
glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi);
}
glEnd();
theta = theta1;
cosTheta = cosTheta1;
sinTheta = sinTheta1;
}
}
/* CENTRY */
void GLUTAPIENTRY
glutWireTorus(GLdouble innerRadius, GLdouble outerRadius,
GLint nsides, GLint rings)
{
glPushAttrib(GL_POLYGON_BIT);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
doughnut(innerRadius, outerRadius, nsides, rings);
glPopAttrib();
}
void GLUTAPIENTRY
glutSolidTorus(GLdouble innerRadius, GLdouble outerRadius,
GLint nsides, GLint rings)
{
doughnut(innerRadius, outerRadius, nsides, rings);
}
/* ENDCENTRY */
static GLfloat dodec[20][3];
static void
initDodecahedron(void)
{
GLfloat alpha, beta;
alpha = sqrt(2.0 / (3.0 + sqrt(5.0)));
beta = 1.0 + sqrt(6.0 / (3.0 + sqrt(5.0)) -
2.0 + 2.0 * sqrt(2.0 / (3.0 + sqrt(5.0))));
/* *INDENT-OFF* */
dodec[0][0] = -alpha; dodec[0][1] = 0; dodec[0][2] = beta;
dodec[1][0] = alpha; dodec[1][1] = 0; dodec[1][2] = beta;
dodec[2][0] = -1; dodec[2][1] = -1; dodec[2][2] = -1;
dodec[3][0] = -1; dodec[3][1] = -1; dodec[3][2] = 1;
dodec[4][0] = -1; dodec[4][1] = 1; dodec[4][2] = -1;
dodec[5][0] = -1; dodec[5][1] = 1; dodec[5][2] = 1;
dodec[6][0] = 1; dodec[6][1] = -1; dodec[6][2] = -1;
dodec[7][0] = 1; dodec[7][1] = -1; dodec[7][2] = 1;
dodec[8][0] = 1; dodec[8][1] = 1; dodec[8][2] = -1;
dodec[9][0] = 1; dodec[9][1] = 1; dodec[9][2] = 1;
dodec[10][0] = beta; dodec[10][1] = alpha; dodec[10][2] = 0;
dodec[11][0] = beta; dodec[11][1] = -alpha; dodec[11][2] = 0;
dodec[12][0] = -beta; dodec[12][1] = alpha; dodec[12][2] = 0;
dodec[13][0] = -beta; dodec[13][1] = -alpha; dodec[13][2] = 0;
dodec[14][0] = -alpha; dodec[14][1] = 0; dodec[14][2] = -beta;
dodec[15][0] = alpha; dodec[15][1] = 0; dodec[15][2] = -beta;
dodec[16][0] = 0; dodec[16][1] = beta; dodec[16][2] = alpha;
dodec[17][0] = 0; dodec[17][1] = beta; dodec[17][2] = -alpha;
dodec[18][0] = 0; dodec[18][1] = -beta; dodec[18][2] = alpha;
dodec[19][0] = 0; dodec[19][1] = -beta; dodec[19][2] = -alpha;
/* *INDENT-ON* */
}
#define DIFF3(_a,_b,_c) { \
(_c)[0] = (_a)[0] - (_b)[0]; \
(_c)[1] = (_a)[1] - (_b)[1]; \
(_c)[2] = (_a)[2] - (_b)[2]; \
}
static void
crossprod(GLfloat v1[3], GLfloat v2[3], GLfloat prod[3])
{
GLfloat p[3]; /* in case prod == v1 or v2 */
p[0] = v1[1] * v2[2] - v2[1] * v1[2];
p[1] = v1[2] * v2[0] - v2[2] * v1[0];
p[2] = v1[0] * v2[1] - v2[0] * v1[1];
prod[0] = p[0];
prod[1] = p[1];
prod[2] = p[2];
}
static void
normalize(GLfloat v[3])
{
GLfloat d;
d = sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
if (d == 0.0) {
// __glutWarning("normalize: zero length vector");
v[0] = d = 1.0;
}
d = 1 / d;
v[0] *= d;
v[1] *= d;
v[2] *= d;
}
static void
pentagon(int a, int b, int c, int d, int e, GLenum shadeType)
{
GLfloat n0[3], d1[3], d2[3];
DIFF3(dodec[a], dodec[b], d1);
DIFF3(dodec[b], dodec[c], d2);
crossprod(d1, d2, n0);
normalize(n0);
glBegin(shadeType);
glNormal3fv(n0);
glVertex3fv(&dodec[a][0]);
glVertex3fv(&dodec[b][0]);
glVertex3fv(&dodec[c][0]);
glVertex3fv(&dodec[d][0]);
glVertex3fv(&dodec[e][0]);
glEnd();
}
static void
dodecahedron(GLenum type)
{
static int inited = 0;
if (inited == 0) {
inited = 1;
initDodecahedron();
}
pentagon(0, 1, 9, 16, 5, type);
pentagon(1, 0, 3, 18, 7, type);
pentagon(1, 7, 11, 10, 9, type);
pentagon(11, 7, 18, 19, 6, type);
pentagon(8, 17, 16, 9, 10, type);
pentagon(2, 14, 15, 6, 19, type);
pentagon(2, 13, 12, 4, 14, type);
pentagon(2, 19, 18, 3, 13, type);
pentagon(3, 0, 5, 12, 13, type);
pentagon(6, 15, 8, 10, 11, type);
pentagon(4, 17, 8, 15, 14, type);
pentagon(4, 12, 5, 16, 17, type);
}
/* CENTRY */
void GLUTAPIENTRY
glutWireDodecahedron(void)
{
dodecahedron(GL_LINE_LOOP);
}
void GLUTAPIENTRY
glutSolidDodecahedron(void)
{
dodecahedron(GL_TRIANGLE_FAN);
}
/* ENDCENTRY */
static void
recorditem(GLfloat * n1, GLfloat * n2, GLfloat * n3,
GLenum shadeType)
{
GLfloat q0[3], q1[3];
DIFF3(n1, n2, q0);
DIFF3(n2, n3, q1);
crossprod(q0, q1, q1);
normalize(q1);
glBegin(shadeType);
glNormal3fv(q1);
glVertex3fv(n1);
glVertex3fv(n2);
glVertex3fv(n3);
glEnd();
}
static void
subdivide(GLfloat * v0, GLfloat * v1, GLfloat * v2,
GLenum shadeType)
{
int depth;
GLfloat w0[3], w1[3], w2[3];
GLfloat l;
int i, j, k, n;
depth = 1;
for (i = 0; i < depth; i++) {
for (j = 0; i + j < depth; j++) {
k = depth - i - j;
for (n = 0; n < 3; n++) {
w0[n] = (i * v0[n] + j * v1[n] + k * v2[n]) / depth;
w1[n] = ((i + 1) * v0[n] + j * v1[n] + (k - 1) * v2[n])
/ depth;
w2[n] = (i * v0[n] + (j + 1) * v1[n] + (k - 1) * v2[n])
/ depth;
}
l = sqrt(w0[0] * w0[0] + w0[1] * w0[1] + w0[2] * w0[2]);
w0[0] /= l;
w0[1] /= l;
w0[2] /= l;
l = sqrt(w1[0] * w1[0] + w1[1] * w1[1] + w1[2] * w1[2]);
w1[0] /= l;
w1[1] /= l;
w1[2] /= l;
l = sqrt(w2[0] * w2[0] + w2[1] * w2[1] + w2[2] * w2[2]);
w2[0] /= l;
w2[1] /= l;
w2[2] /= l;
recorditem(w1, w0, w2, shadeType);
}
}
}
static void
drawtriangle(int i, GLfloat data[][3], int ndx[][3],
GLenum shadeType)
{
GLfloat *x0, *x1, *x2;
x0 = data[ndx[i][0]];
x1 = data[ndx[i][1]];
x2 = data[ndx[i][2]];
subdivide(x0, x1, x2, shadeType);
}
/* octahedron data: The octahedron produced is centered at the
origin and has radius 1.0 */
static GLfloat odata[6][3] =
{
{1.0, 0.0, 0.0},
{-1.0, 0.0, 0.0},
{0.0, 1.0, 0.0},
{0.0, -1.0, 0.0},
{0.0, 0.0, 1.0},
{0.0, 0.0, -1.0}
};
static int ondex[8][3] =
{
{0, 4, 2},
{1, 2, 4},
{0, 3, 4},
{1, 4, 3},
{0, 2, 5},
{1, 5, 2},
{0, 5, 3},
{1, 3, 5}
};
static void
octahedron(GLenum shadeType)
{
int i;
for (i = 7; i >= 0; i--) {
drawtriangle(i, odata, ondex, shadeType);
}
}
/* CENTRY */
void GLUTAPIENTRY
glutWireOctahedron(void)
{
octahedron(GL_LINE_LOOP);
}
void GLUTAPIENTRY
glutSolidOctahedron(void)
{
octahedron(GL_TRIANGLES);
}
/* ENDCENTRY */
/* icosahedron data: These numbers are rigged to make an
icosahedron of radius 1.0 */
#define X .525731112119133606
#define Z .850650808352039932
static GLfloat idata[12][3] =
{
{-X, 0, Z},
{X, 0, Z},
{-X, 0, -Z},
{X, 0, -Z},
{0, Z, X},
{0, Z, -X},
{0, -Z, X},
{0, -Z, -X},
{Z, X, 0},
{-Z, X, 0},
{Z, -X, 0},
{-Z, -X, 0}
};
static int index[20][3] =
{
{0, 4, 1},
{0, 9, 4},
{9, 5, 4},
{4, 5, 8},
{4, 8, 1},
{8, 10, 1},
{8, 3, 10},
{5, 3, 8},
{5, 2, 3},
{2, 7, 3},
{7, 10, 3},
{7, 6, 10},
{7, 11, 6},
{11, 0, 6},
{0, 1, 6},
{6, 1, 10},
{9, 0, 11},
{9, 11, 2},
{9, 2, 5},
{7, 2, 11},
};
static void
icosahedron(GLenum shadeType)
{
int i;
for (i = 19; i >= 0; i--) {
drawtriangle(i, idata, index, shadeType);
}
}
/* CENTRY */
void GLUTAPIENTRY
glutWireIcosahedron(void)
{
icosahedron(GL_LINE_LOOP);
}
void GLUTAPIENTRY
glutSolidIcosahedron(void)
{
icosahedron(GL_TRIANGLES);
}
/* ENDCENTRY */
/* tetrahedron data: */
#define T 1.73205080756887729
static GLfloat tdata[4][3] =
{
{T, T, T},
{T, -T, -T},
{-T, T, -T},
{-T, -T, T}
};
static int tndex[4][3] =
{
{0, 1, 3},
{2, 1, 0},
{3, 2, 0},
{1, 2, 3}
};
static void
tetrahedron(GLenum shadeType)
{
int i;
for (i = 3; i >= 0; i--)
drawtriangle(i, tdata, tndex, shadeType);
}
/* CENTRY */
void GLUTAPIENTRY
glutWireTetrahedron(void)
{
tetrahedron(GL_LINE_LOOP);
}
void GLUTAPIENTRY
glutSolidTetrahedron(void)
{
tetrahedron(GL_TRIANGLES);
}
/* ENDCENTRY */

798
contrib/sdk/samples/Mesa/glutint.h Normal file
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@@ -0,0 +1,798 @@
#ifndef __glutint_h__
#define __glutint_h__
/* Copyright (c) Mark J. Kilgard, 1994, 1997, 1998. */
/* This program is freely distributable without licensing fees
and is provided without guarantee or warrantee expressed or
implied. This program is -not- in the public domain. */
#ifdef __VMS
#include <GL/vms_x_fix.h>
#endif
#if defined(__CYGWIN32__)
#include <sys/time.h>
#endif
#define SUPPORT_FORTRAN /* With GLUT 3.7, everyone supports Fortran. */
#if defined(_WIN32)
#include "glutwin32.h"
#else
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#define GLX_GLXEXT_PROTOTYPES
#include <GL/glx.h>
#endif
#ifndef GLUT_BUILDING_LIB
#define GLUT_BUILDING_LIB /* Building the GLUT library itself. */
#endif
#include <GL/glut.h>
#ifndef _WIN32
/* added by BrianP: */
#ifndef APIENTRY
#define APIENTRY GLAPIENTRY
#endif
#define __cdecl GLAPIENTRY
#define CDECL GLAPIENTRY
#endif
/* GLUT_BUILDING_LIB is used by <GL/glut.h> to 1) not #pragma link
with the GLUT library, and 2) avoid the Win32 atexit hack. */
#ifdef SUPPORT_FORTRAN
#include <GL/glutf90.h>
#endif
#ifdef __vms
#if ( __VMS_VER < 70000000 )
#define OLD_VMS
struct timeval6 {
__int64 val;
};
extern int sys$gettim(struct timeval6 *);
#else
#include <time.h>
#endif
#else
#include <sys/types.h>
#if !defined(_WIN32) || defined(__CYGWIN32__)
#include <sys/time.h>
#else
#include <winsock.h>
#endif
#endif
#if defined(__vms) && ( __VMS_VER < 70000000 )
/* For VMS6.2 or lower :
One TICK on VMS is 100 nanoseconds; 0.1 microseconds or
0.0001 milliseconds. This means that there are 0.01
ticks/ns, 10 ticks/us, 10,000 ticks/ms and 10,000,000
ticks/second. */
#define TICKS_PER_MILLISECOND 10000
#define TICKS_PER_SECOND 10000000
#define GETTIMEOFDAY(_x) (void) sys$gettim (_x);
#define ADD_TIME(dest, src1, src2) { \
(dest).val = (src1).val + (src2).val; \
}
#define TIMEDELTA(dest, src1, src2) { \
(dest).val = (src1).val - (src2).val; \
}
#define IS_AFTER(t1, t2) ((t2).val > (t1).val)
#define IS_AT_OR_AFTER(t1, t2) ((t2).val >= (t1).val)
#else
#if defined(SVR4) && !defined(sun) /* Sun claims SVR4, but
wants 2 args. */
#define GETTIMEOFDAY(_x) gettimeofday(_x)
#else
#define GETTIMEOFDAY(_x) gettimeofday(_x, NULL)
#endif
#define ADD_TIME(dest, src1, src2) { \
if(((dest).tv_usec = \
(src1).tv_usec + (src2).tv_usec) >= 1000000) { \
(dest).tv_usec -= 1000000; \
(dest).tv_sec = (src1).tv_sec + (src2).tv_sec + 1; \
} else { \
(dest).tv_sec = (src1).tv_sec + (src2).tv_sec; \
if(((dest).tv_sec >= 1) && (((dest).tv_usec <0))) { \
(dest).tv_sec --;(dest).tv_usec += 1000000; \
} \
} \
}
#define TIMEDELTA(dest, src1, src2) { \
if(((dest).tv_usec = (src1).tv_usec - (src2).tv_usec) < 0) { \
(dest).tv_usec += 1000000; \
(dest).tv_sec = (src1).tv_sec - (src2).tv_sec - 1; \
} else { \
(dest).tv_sec = (src1).tv_sec - (src2).tv_sec; \
} \
}
#define IS_AFTER(t1, t2) \
(((t2).tv_sec > (t1).tv_sec) || \
(((t2).tv_sec == (t1).tv_sec) && \
((t2).tv_usec > (t1).tv_usec)))
#define IS_AT_OR_AFTER(t1, t2) \
(((t2).tv_sec > (t1).tv_sec) || \
(((t2).tv_sec == (t1).tv_sec) && \
((t2).tv_usec >= (t1).tv_usec)))
#endif
#define IGNORE_IN_GAME_MODE() \
{ if (__glutGameModeWindow) return; }
#define GLUT_WIND_IS_RGB(x) (((x) & GLUT_INDEX) == 0)
#define GLUT_WIND_IS_INDEX(x) (((x) & GLUT_INDEX) != 0)
#define GLUT_WIND_IS_SINGLE(x) (((x) & GLUT_DOUBLE) == 0)
#define GLUT_WIND_IS_DOUBLE(x) (((x) & GLUT_DOUBLE) != 0)
#define GLUT_WIND_HAS_ACCUM(x) (((x) & GLUT_ACCUM) != 0)
#define GLUT_WIND_HAS_ALPHA(x) (((x) & GLUT_ALPHA) != 0)
#define GLUT_WIND_HAS_DEPTH(x) (((x) & GLUT_DEPTH) != 0)
#define GLUT_WIND_HAS_STENCIL(x) (((x) & GLUT_STENCIL) != 0)
#define GLUT_WIND_IS_MULTISAMPLE(x) (((x) & GLUT_MULTISAMPLE) != 0)
#define GLUT_WIND_IS_STEREO(x) (((x) & GLUT_STEREO) != 0)
#define GLUT_WIND_IS_LUMINANCE(x) (((x) & GLUT_LUMINANCE) != 0)
#define GLUT_MAP_WORK (1 << 0)
#define GLUT_EVENT_MASK_WORK (1 << 1)
#define GLUT_REDISPLAY_WORK (1 << 2)
#define GLUT_CONFIGURE_WORK (1 << 3)
#define GLUT_COLORMAP_WORK (1 << 4)
#define GLUT_DEVICE_MASK_WORK (1 << 5)
#define GLUT_FINISH_WORK (1 << 6)
#define GLUT_DEBUG_WORK (1 << 7)
#define GLUT_DUMMY_WORK (1 << 8)
#define GLUT_FULL_SCREEN_WORK (1 << 9)
#define GLUT_OVERLAY_REDISPLAY_WORK (1 << 10)
#define GLUT_REPAIR_WORK (1 << 11)
#define GLUT_OVERLAY_REPAIR_WORK (1 << 12)
/* Frame buffer capability macros and types. */
#define RGBA 0
#define BUFFER_SIZE 1
#define DOUBLEBUFFER 2
#define STEREO 3
#define AUX_BUFFERS 4
#define RED_SIZE 5 /* Used as mask bit for
"color selected". */
#define GREEN_SIZE 6
#define BLUE_SIZE 7
#define ALPHA_SIZE 8
#define DEPTH_SIZE 9
#define STENCIL_SIZE 10
#define ACCUM_RED_SIZE 11 /* Used as mask bit for
"acc selected". */
#define ACCUM_GREEN_SIZE 12
#define ACCUM_BLUE_SIZE 13
#define ACCUM_ALPHA_SIZE 14
#define LEVEL 15
#define NUM_GLXCAPS (LEVEL + 1)
#define XVISUAL (NUM_GLXCAPS + 0)
#define TRANSPARENT (NUM_GLXCAPS + 1)
#define SAMPLES (NUM_GLXCAPS + 2)
#define XSTATICGRAY (NUM_GLXCAPS + 3) /* Used as
mask bit
for "any
visual type
selected". */
#define XGRAYSCALE (NUM_GLXCAPS + 4)
#define XSTATICCOLOR (NUM_GLXCAPS + 5)
#define XPSEUDOCOLOR (NUM_GLXCAPS + 6)
#define XTRUECOLOR (NUM_GLXCAPS + 7)
#define XDIRECTCOLOR (NUM_GLXCAPS + 8)
#define SLOW (NUM_GLXCAPS + 9)
#define CONFORMANT (NUM_GLXCAPS + 10)
#define NUM_CAPS (NUM_GLXCAPS + 11)
/* Frame buffer capablities that don't have a corresponding
FrameBufferMode entry. These get used as mask bits. */
#define NUM (NUM_CAPS + 0)
#define RGBA_MODE (NUM_CAPS + 1)
#define CI_MODE (NUM_CAPS + 2)
#define LUMINANCE_MODE (NUM_CAPS + 3)
#define NONE 0
#define EQ 1
#define NEQ 2
#define LTE 3
#define GTE 4
#define GT 5
#define LT 6
#define MIN 7
typedef struct _Criterion {
int capability;
int comparison;
int value;
} Criterion;
typedef struct _FrameBufferMode {
XVisualInfo *vi;
#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig)
/* fbc is non-NULL when the XVisualInfo* is not OpenGL-capable
(ie, GLX_USE_GL is false), but the SGIX_fbconfig extension shows
the visual's fbconfig is OpenGL-capable. The reason for this is typically
an RGBA luminance fbconfig such as 16-bit StaticGray that could
not be advertised as a GLX visual since StaticGray visuals are
required (by the GLX specification) to be color index. The
SGIX_fbconfig allows StaticGray visuals to instead advertised as
fbconfigs that can provide RGBA luminance support. */
GLXFBConfigSGIX fbc;
#endif
int valid;
int cap[NUM_CAPS];
} FrameBufferMode;
/* DisplayMode capability macros for game mode. */
#define DM_WIDTH 0 /* "width" */
#define DM_HEIGHT 1 /* "height" */
#define DM_PIXEL_DEPTH 2 /* "bpp" (bits per pixel) */
#define DM_HERTZ 3 /* "hertz" */
#define DM_NUM 4 /* "num" */
#define NUM_DM_CAPS (DM_NUM+1)
typedef struct _DisplayMode {
#ifdef _WIN32
DEVMODE devmode;
#else
/* XXX The X Window System does not have a standard
mechanism for display setting changes. On SGI
systems, GLUT could use the XSGIvc (SGI X video
control extension). Perhaps this can be done in
a future release of GLUT. */
#endif
int valid;
int cap[NUM_DM_CAPS];
} DisplayMode;
/* GLUT function types */
typedef void (GLUTCALLBACK *GLUTdisplayCB) (void);
typedef void (GLUTCALLBACK *GLUTreshapeCB) (int, int);
typedef void (GLUTCALLBACK *GLUTkeyboardCB) (unsigned char, int, int);
typedef void (GLUTCALLBACK *GLUTmouseCB) (int, int, int, int);
typedef void (GLUTCALLBACK *GLUTmotionCB) (int, int);
typedef void (GLUTCALLBACK *GLUTpassiveCB) (int, int);
typedef void (GLUTCALLBACK *GLUTentryCB) (int);
typedef void (GLUTCALLBACK *GLUTvisibilityCB) (int);
typedef void (GLUTCALLBACK *GLUTwindowStatusCB) (int);
typedef void (GLUTCALLBACK *GLUTidleCB) (void);
typedef void (GLUTCALLBACK *GLUTtimerCB) (int);
typedef void (GLUTCALLBACK *GLUTmenuStateCB) (int); /* DEPRICATED. */
typedef void (GLUTCALLBACK *GLUTmenuStatusCB) (int, int, int);
typedef void (GLUTCALLBACK *GLUTselectCB) (int);
typedef void (GLUTCALLBACK *GLUTspecialCB) (int, int, int);
typedef void (GLUTCALLBACK *GLUTspaceMotionCB) (int, int, int);
typedef void (GLUTCALLBACK *GLUTspaceRotateCB) (int, int, int);
typedef void (GLUTCALLBACK *GLUTspaceButtonCB) (int, int);
typedef void (GLUTCALLBACK *GLUTdialsCB) (int, int);
typedef void (GLUTCALLBACK *GLUTbuttonBoxCB) (int, int);
typedef void (GLUTCALLBACK *GLUTtabletMotionCB) (int, int);
typedef void (GLUTCALLBACK *GLUTtabletButtonCB) (int, int, int, int);
typedef void (GLUTCALLBACK *GLUTjoystickCB) (unsigned int buttonMask, int x, int y, int z);
typedef struct _GLUTcolorcell GLUTcolorcell;
struct _GLUTcolorcell {
/* GLUT_RED, GLUT_GREEN, GLUT_BLUE */
GLfloat component[3];
};
typedef struct _GLUTcolormap GLUTcolormap;
struct _GLUTcolormap {
Visual *visual; /* visual of the colormap */
Colormap cmap; /* X colormap ID */
int refcnt; /* number of windows using colormap */
int size; /* number of cells in colormap */
int transparent; /* transparent pixel, or -1 if opaque */
GLUTcolorcell *cells; /* array of cells */
GLUTcolormap *next; /* next colormap in list */
};
typedef struct _GLUTwindow GLUTwindow;
typedef struct _GLUToverlay GLUToverlay;
struct _GLUTwindow {
int num; /* Small integer window id (0-based). */
/* Window system related state. */
#if defined(_WIN32)
int pf; /* Pixel format. */
HDC hdc; /* Window's Win32 device context. */
#endif
Window win; /* X window for GLUT window */
GLXContext ctx; /* OpenGL context GLUT glut window */
XVisualInfo *vis; /* visual for window */
Bool visAlloced; /* if vis needs deallocate on destroy */
Colormap cmap; /* RGB colormap for window; None if CI */
GLUTcolormap *colormap; /* colormap; NULL if RGBA */
GLUToverlay *overlay; /* overlay; NULL if no overlay */
#if defined(_WIN32)
HDC renderDc; /* Win32's device context for rendering. */
#endif
Window renderWin; /* X window for rendering (might be
overlay) */
GLXContext renderCtx; /* OpenGL context for rendering (might
be overlay) */
/* GLUT settable or visible window state. */
int width; /* window width in pixels */
int height; /* window height in pixels */
int cursor; /* cursor name */
int visState; /* visibility state (-1 is unknown) */
int shownState; /* if window mapped */
int entryState; /* entry state (-1 is unknown) */
#define GLUT_MAX_MENUS 3
int menu[GLUT_MAX_MENUS]; /* attatched menu nums */
/* Window relationship state. */
GLUTwindow *parent; /* parent window */
GLUTwindow *children; /* list of children */
GLUTwindow *siblings; /* list of siblings */
/* Misc. non-API visible (hidden) state. */
Bool treatAsSingle; /* treat this window as single-buffered
(it might be "fake" though) */
Bool forceReshape; /* force reshape before display */
#if !defined(_WIN32)
Bool isDirect; /* if direct context (X11 only) */
#endif
Bool usedSwapBuffers; /* if swap buffers used last display */
long eventMask; /* mask of X events selected for */
int buttonUses; /* number of button uses, ref cnt */
int tabletPos[2]; /* tablet position (-1 is invalid) */
/* Work list related state. */
unsigned int workMask; /* mask of window work to be done */
GLUTwindow *prevWorkWin; /* link list of windows to work on */
Bool desiredMapState; /* how to mapped window if on map work
list */
Bool ignoreKeyRepeat; /* if window ignores autorepeat */
int desiredConfMask; /* mask of desired window configuration
*/
int desiredX; /* desired X location */
int desiredY; /* desired Y location */
int desiredWidth; /* desired window width */
int desiredHeight; /* desired window height */
int desiredStack; /* desired window stack */
/* Per-window callbacks. */
GLUTdisplayCB display; /* redraw */
GLUTreshapeCB reshape; /* resize (width,height) */
GLUTmouseCB mouse; /* mouse (button,state,x,y) */
GLUTmotionCB motion; /* motion (x,y) */
GLUTpassiveCB passive; /* passive motion (x,y) */
GLUTentryCB entry; /* window entry/exit (state) */
GLUTkeyboardCB keyboard; /* keyboard (ASCII,x,y) */
GLUTkeyboardCB keyboardUp; /* keyboard up (ASCII,x,y) */
GLUTwindowStatusCB windowStatus; /* window status */
GLUTvisibilityCB visibility; /* visibility */
GLUTspecialCB special; /* special key */
GLUTspecialCB specialUp; /* special up key */
GLUTbuttonBoxCB buttonBox; /* button box */
GLUTdialsCB dials; /* dials */
GLUTspaceMotionCB spaceMotion; /* Spaceball motion */
GLUTspaceRotateCB spaceRotate; /* Spaceball rotate */
GLUTspaceButtonCB spaceButton; /* Spaceball button */
GLUTtabletMotionCB tabletMotion; /* tablet motion */
GLUTtabletButtonCB tabletButton; /* tablet button */
#ifdef _WIN32
GLUTjoystickCB joystick; /* joystick */
int joyPollInterval; /* joystick polling interval */
#endif
#ifdef SUPPORT_FORTRAN
GLUTdisplayFCB fdisplay; /* Fortran display */
GLUTreshapeFCB freshape; /* Fortran reshape */
GLUTmouseFCB fmouse; /* Fortran mouse */
GLUTmotionFCB fmotion; /* Fortran motion */
GLUTpassiveFCB fpassive; /* Fortran passive */
GLUTentryFCB fentry; /* Fortran entry */
GLUTkeyboardFCB fkeyboard; /* Fortran keyboard */
GLUTkeyboardFCB fkeyboardUp; /* Fortran keyboard up */
GLUTwindowStatusFCB fwindowStatus; /* Fortran window status */
GLUTvisibilityFCB fvisibility; /* Fortran visibility */
GLUTspecialFCB fspecial; /* special key */
GLUTspecialFCB fspecialUp; /* special key up */
GLUTbuttonBoxFCB fbuttonBox; /* button box */
GLUTdialsFCB fdials; /* dials */
GLUTspaceMotionFCB fspaceMotion; /* Spaceball motion */
GLUTspaceRotateFCB fspaceRotate; /* Spaceball rotate */
GLUTspaceButtonFCB fspaceButton; /* Spaceball button */
GLUTtabletMotionFCB ftabletMotion; /* tablet motion */
GLUTtabletButtonFCB ftabletButton; /* tablet button */
#ifdef _WIN32
GLUTjoystickFCB fjoystick; /* joystick */
#endif
#endif
};
struct _GLUToverlay {
#if defined(_WIN32)
int pf;
HDC hdc;
#endif
Window win;
GLXContext ctx;
XVisualInfo *vis; /* visual for window */
Bool visAlloced; /* if vis needs deallocate on destroy */
Colormap cmap; /* RGB colormap for window; None if CI */
GLUTcolormap *colormap; /* colormap; NULL if RGBA */
int shownState; /* if overlay window mapped */
Bool treatAsSingle; /* treat as single-buffered */
#if !defined(_WIN32)
Bool isDirect; /* if direct context */
#endif
int transparentPixel; /* transparent pixel value */
GLUTdisplayCB display; /* redraw */
#ifdef SUPPORT_FORTRAN
GLUTdisplayFCB fdisplay; /* redraw */
#endif
};
typedef struct _GLUTstale GLUTstale;
struct _GLUTstale {
GLUTwindow *window;
Window win;
GLUTstale *next;
};
extern GLUTstale *__glutStaleWindowList;
#define GLUT_OVERLAY_EVENT_FILTER_MASK \
(ExposureMask | \
StructureNotifyMask | \
EnterWindowMask | \
LeaveWindowMask)
#define GLUT_DONT_PROPAGATE_FILTER_MASK \
(ButtonReleaseMask | \
ButtonPressMask | \
KeyPressMask | \
KeyReleaseMask | \
PointerMotionMask | \
Button1MotionMask | \
Button2MotionMask | \
Button3MotionMask)
#define GLUT_HACK_STOP_PROPAGATE_MASK \
(KeyPressMask | \
KeyReleaseMask)
typedef struct _GLUTmenu GLUTmenu;
typedef struct _GLUTmenuItem GLUTmenuItem;
struct _GLUTmenu {
int id; /* small integer menu id (0-based) */
Window win; /* X window for the menu */
GLUTselectCB select; /* function of menu */
GLUTmenuItem *list; /* list of menu entries */
int num; /* number of entries */
#if !defined(_WIN32)
Bool managed; /* are the InputOnly windows size
validated? */
Bool searched; /* help detect menu loops */
int pixheight; /* height of menu in pixels */
int pixwidth; /* width of menu in pixels */
#endif
int submenus; /* number of submenu entries */
GLUTmenuItem *highlighted; /* pointer to highlighted menu
entry, NULL not highlighted */
GLUTmenu *cascade; /* currently cascading this menu */
GLUTmenuItem *anchor; /* currently anchored to this entry */
int x; /* current x origin relative to the
root window */
int y; /* current y origin relative to the
root window */
#ifdef SUPPORT_FORTRAN
GLUTselectFCB fselect; /* function of menu */
#endif
};
struct _GLUTmenuItem {
Window win; /* InputOnly X window for entry */
GLUTmenu *menu; /* menu entry belongs to */
Bool isTrigger; /* is a submenu trigger? */
int value; /* value to return for selecting this
entry; doubles as submenu id
(0-base) if submenu trigger */
#if defined(_WIN32)
UINT unique; /* unique menu item id (Win32 only) */
#endif
char *label; /* __glutStrdup'ed label string */
int len; /* length of label string */
int pixwidth; /* width of X window in pixels */
GLUTmenuItem *next; /* next menu entry on list for menu */
};
typedef struct _GLUTtimer GLUTtimer;
struct _GLUTtimer {
GLUTtimer *next; /* list of timers */
#ifdef OLD_VMS
struct timeval6 timeout; /* time to be called */
#else
struct timeval timeout; /* time to be called */
#endif
GLUTtimerCB func; /* timer (value) */
int value; /* return value */
#ifdef SUPPORT_FORTRAN
GLUTtimerFCB ffunc; /* Fortran timer */
#endif
};
typedef struct _GLUTeventParser GLUTeventParser;
struct _GLUTeventParser {
int (*func) (XEvent *);
GLUTeventParser *next;
};
/* Declarations to implement glutFullScreen support with
mwm/4Dwm. */
/* The following X property format is defined in Motif 1.1's
Xm/MwmUtils.h, but GLUT should not depend on that header
file. Note: Motif 1.2 expanded this structure with
uninteresting fields (to GLUT) so just stick with the
smaller Motif 1.1 structure. */
typedef struct {
#define MWM_HINTS_DECORATIONS 2
long flags;
long functions;
long decorations;
long input_mode;
} MotifWmHints;
/* Make current and buffer swap macros. */
#ifdef _WIN32
#define MAKE_CURRENT_LAYER(window) \
{ \
HGLRC currentContext = wglGetCurrentContext(); \
HDC currentDc = wglGetCurrentDC(); \
\
if (currentContext != window->renderCtx \
|| currentDc != window->renderDc) { \
wglMakeCurrent(window->renderDc, window->renderCtx); \
} \
}
#define MAKE_CURRENT_WINDOW(window) \
{ \
HGLRC currentContext = wglGetCurrentContext(); \
HDC currentDc = wglGetCurrentDC(); \
\
if (currentContext != window->ctx || currentDc != window->hdc) { \
wglMakeCurrent(window->hdc, window->ctx); \
} \
}
#define MAKE_CURRENT_OVERLAY(overlay) \
wglMakeCurrent(overlay->hdc, overlay->ctx)
#define UNMAKE_CURRENT() \
wglMakeCurrent(NULL, NULL)
#define SWAP_BUFFERS_WINDOW(window) \
SwapBuffers(window->hdc)
#define SWAP_BUFFERS_LAYER(window) \
SwapBuffers(window->renderDc)
#else
#define MAKE_CURRENT_LAYER(window) \
glXMakeCurrent(__glutDisplay, window->renderWin, window->renderCtx)
#define MAKE_CURRENT_WINDOW(window) \
glXMakeCurrent(__glutDisplay, window->win, window->ctx)
#define MAKE_CURRENT_OVERLAY(overlay) \
glXMakeCurrent(__glutDisplay, overlay->win, overlay->ctx)
#define UNMAKE_CURRENT() \
glXMakeCurrent(__glutDisplay, None, NULL)
#define SWAP_BUFFERS_WINDOW(window) \
glXSwapBuffers(__glutDisplay, window->win)
#define SWAP_BUFFERS_LAYER(window) \
glXSwapBuffers(__glutDisplay, window->renderWin)
#endif
/* private variables from glut_event.c */
extern GLUTwindow *__glutWindowWorkList;
extern int __glutWindowDamaged;
#ifdef SUPPORT_FORTRAN
extern GLUTtimer *__glutTimerList;
extern GLUTtimer *__glutNewTimer;
#endif
extern GLUTmenu *__glutMappedMenu;
extern void (*__glutUpdateInputDeviceMaskFunc) (GLUTwindow *);
#if !defined(_WIN32)
extern void (*__glutMenuItemEnterOrLeave)(GLUTmenuItem * item,
int num, int type);
extern void (*__glutFinishMenu)(Window win, int x, int y);
extern void (*__glutPaintMenu)(GLUTmenu * menu);
extern void (*__glutStartMenu)(GLUTmenu * menu,
GLUTwindow * window, int x, int y, int x_win, int y_win);
extern GLUTmenu * (*__glutGetMenuByNum)(int menunum);
extern GLUTmenuItem * (*__glutGetMenuItem)(GLUTmenu * menu,
Window win, int *which);
extern GLUTmenu * (*__glutGetMenu)(Window win);
#endif
/* private variables from glut_init.c */
extern Atom __glutWMDeleteWindow;
extern Display *__glutDisplay;
extern unsigned int __glutDisplayMode;
extern char *__glutDisplayString;
extern XVisualInfo *(*__glutDetermineVisualFromString) (char *string, Bool * treatAsSingle,
Criterion * requiredCriteria, int nRequired, int requiredMask, void **fbc);
extern GLboolean __glutDebug;
extern GLboolean __glutForceDirect;
extern GLboolean __glutIconic;
extern GLboolean __glutTryDirect;
extern Window __glutRoot;
extern XSizeHints __glutSizeHints;
extern char **__glutArgv;
extern char *__glutProgramName;
extern int __glutArgc;
extern int __glutConnectionFD;
extern int __glutInitHeight;
extern int __glutInitWidth;
extern int __glutInitX;
extern int __glutInitY;
extern int __glutScreen;
extern int __glutScreenHeight;
extern int __glutScreenWidth;
extern Atom __glutMotifHints;
extern unsigned int __glutModifierMask;
#ifdef _WIN32
extern void (__cdecl *__glutExitFunc)(int retval);
#endif
extern char *__glutPPMFile;
/* private variables from glut_menu.c */
extern GLUTmenuItem *__glutItemSelected;
extern GLUTmenu **__glutMenuList;
extern void (GLUTCALLBACK *__glutMenuStatusFunc) (int, int, int);
extern void __glutMenuModificationError(void);
extern void __glutSetMenuItem(GLUTmenuItem * item,
const char *label, int value, Bool isTrigger);
/* private variables from glut_win.c */
extern GLUTwindow **__glutWindowList;
extern GLUTwindow *__glutCurrentWindow;
extern GLUTwindow *__glutMenuWindow;
extern GLUTmenu *__glutCurrentMenu;
extern int __glutWindowListSize;
extern void (*__glutFreeOverlayFunc) (GLUToverlay *);
extern void __glutFreeOverlay(GLUToverlay * overlay);
extern XVisualInfo *__glutDetermineWindowVisual(Bool * treatAsSingle,
Bool * visAlloced, void **fbc);
/* private variables from glut_ppm.c */
extern void __glutWritePPMFile(void);
/* private variables from glut_mesa.c */
extern int __glutMesaSwapHackSupport;
/* private variables from glut_gamemode.c */
extern GLUTwindow *__glutGameModeWindow;
/* private routines from glut_cindex.c */
extern GLUTcolormap * __glutAssociateNewColormap(XVisualInfo * vis);
extern void __glutFreeColormap(GLUTcolormap *);
/* private routines from glut_cmap.c */
extern void __glutSetupColormap(
XVisualInfo * vi,
GLUTcolormap ** colormap,
Colormap * cmap);
#if !defined(_WIN32)
extern void __glutEstablishColormapsProperty(
GLUTwindow * window);
extern GLUTwindow *__glutToplevelOf(GLUTwindow * window);
#endif
/* private routines from glut_cursor.c */
extern void __glutSetCursor(GLUTwindow *window);
/* private routines from glut_event.c */
extern void __glutPutOnWorkList(GLUTwindow * window,
int work_mask);
extern void __glutRegisterEventParser(GLUTeventParser * parser);
extern void __glutPostRedisplay(GLUTwindow * window, int layerMask);
extern void handleTimeouts(void);
/* private routines from glut_init.c */
#if !defined(_WIN32)
extern void __glutOpenXConnection(char *display);
#else
extern void __glutOpenWin32Connection(char *display);
#endif
#ifdef OLD_VMS
extern void __glutInitTime(struct timeval6 *beginning);
#else
extern void __glutInitTime(struct timeval *beginning);
#endif
/* private routines for glut_menu.c (or win32_menu.c) */
#if defined(_WIN32)
extern GLUTmenu *__glutGetMenu(Window win);
extern GLUTmenu *__glutGetMenuByNum(int menunum);
extern GLUTmenuItem *__glutGetMenuItem(GLUTmenu * menu,
Window win, int *which);
extern void __glutStartMenu(GLUTmenu * menu,
GLUTwindow * window, int x, int y, int x_win, int y_win);
extern void __glutFinishMenu(Window win, int x, int y);
#endif
extern void __glutSetMenu(GLUTmenu * menu);
/* private routines from glut_util.c */
extern char * __glutStrdup(const char *string);
extern void __glutWarning(char *format,...);
extern void __glutFatalError(char *format,...);
extern void __glutFatalUsage(char *format,...);
/* private routines from glut_win.c */
extern GLUTwindow *__glutGetWindow(Window win);
extern void __glutChangeWindowEventMask(long mask, Bool add);
extern XVisualInfo *__glutDetermineVisual(
unsigned int mode,
Bool * fakeSingle,
XVisualInfo * (getVisualInfo) (unsigned int));
extern XVisualInfo *__glutGetVisualInfo(unsigned int mode);
extern void __glutSetWindow(GLUTwindow * window);
extern void __glutReshapeFunc(GLUTreshapeCB reshapeFunc,
int callingConvention);
extern void GLUTCALLBACK __glutDefaultReshape(int, int);
extern GLUTwindow *__glutCreateWindow(
GLUTwindow * parent,
int x, int y, int width, int height, int gamemode);
extern void __glutDestroyWindow(
GLUTwindow * window,
GLUTwindow * initialWindow);
#if !defined(_WIN32)
/* private routines from glut_glxext.c */
extern int __glutIsSupportedByGLX(char *);
extern int __glut_glXBindChannelToWindowSGIX(Display *dpy, int screen,
int channel, Window window);
extern int __glut_glXChannelRectSGIX(Display *dpy, int screen, int channel,
int x, int y, int w, int h);
extern int __glut_glXQueryChannelRectSGIX(Display *dpy, int screen,
int channel, int *x, int *y,
int *w, int *h);
extern int __glut_glXQueryChannelDeltasSGIX(Display *dpy, int screen,
int channel, int *dx, int *dy,
int *dw, int *dh);
extern int __glut_glXChannelRectSyncSGIX(Display *dpy, int screen, int channel,
GLenum synctype);
extern GLXContext __glut_glXCreateContextWithConfigSGIX(Display *dpy,
GLXFBConfigSGIX config,
int render_type,
GLXContext share_list,
Bool direct);
extern int __glut_glXGetFBConfigAttribSGIX(Display *dpy,
GLXFBConfigSGIX config,
int attribute,
int *value);
extern GLXFBConfigSGIX __glut_glXGetFBConfigFromVisualSGIX(Display *dpy,
XVisualInfo *vis);
#endif
/* private routines from glut_input.c */
extern void __glutUpdateInputDeviceMask(GLUTwindow * window);
/* private routines from glut_mesa.c */
extern void __glutDetermineMesaSwapHackSupport(void);
/* private routines from glut_gameglut.c */
extern void __glutCloseDownGameMode(void);
/* private variables from glut_swap.c (BrianP) */
extern GLint __glutFPS;
extern GLint __glutSwapCount;
extern GLint __glutSwapTime;
#if defined(_WIN32)
/* private routines from win32_*.c */
extern LONG WINAPI __glutWindowProc(HWND win, UINT msg, WPARAM w, LPARAM l);
extern HDC XHDC;
#endif
#endif /* __glutint_h__ */

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contrib/sdk/samples/Mesa/osdemo.c Normal file
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/*
* Demo of off-screen Mesa rendering
*
* See Mesa/include/GL/osmesa.h for documentation of the OSMesa functions.
*
* If you want to render BIG images you'll probably have to increase
* MAX_WIDTH and MAX_Height in src/config.h.
*
* This program is in the public domain.
*
* Brian Paul
*
* PPM output provided by Joerg Schmalzl.
* ASCII PPM output added by Brian Paul.
*
* Usage: osdemo [filename]
*/
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define GL_GLEXT_PROTOTYPES
#include "GL/osmesa.h"
#include <GL/glext.h>
#include "GL/glu.h"
#include "shaderutil.h"
#include <kos32sys.h>
int _CRT_MT=0;
static int Width = 500;
static int Height = 400;
int check_events();
GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
GLfloat angle = 0.0;
GLboolean animate = GL_TRUE; /* Animation */
GLfloat eyesep = 5.0; /* Eye separation. */
GLfloat fix_point = 40.0; /* Fixation point distance. */
GLfloat left, right, asp; /* Stereo frustum params. */
void Init( void );
void Reshape( int width, int height );
void Draw( void );
void Idle();
void Key(unsigned char key, int x, int y);
inline void Blit(void *bitmap, int dst_x, int dst_y,
int src_x, int src_y, int w, int h,
int src_w, int src_h, int stride)
{
volatile struct blit_call bc;
bc.dstx = dst_x;
bc.dsty = dst_y;
bc.w = w;
bc.h = h;
bc.srcx = src_x;
bc.srcy = src_y;
bc.srcw = src_w;
bc.srch = src_h;
bc.stride = stride;
bc.bitmap = bitmap;
__asm__ __volatile__(
"int $0x40"
::"a"(73),"b"(0),"c"(&bc.dstx));
};
static inline uint32_t wait_os_event(int time)
{
uint32_t val;
__asm__ __volatile__(
"int $0x40"
:"=a"(val)
:"a"(23),"b"(time));
return val;
};
int main(int argc, char *argv[])
{
OSMesaContext ctx;
void *buffer;
char *filename = NULL;
int ev;
int repeat=1;
/* Create an RGBA-mode context */
/* specify Z, stencil, accum sizes */
ctx = OSMesaCreateContextExt( OSMESA_RGBA, 16, 0, 0, NULL );
if (!ctx) {
printf("OSMesaCreateContext failed!\n");
return 0;
}
/* Allocate the image buffer */
buffer = malloc( Width * Height * 4 * sizeof(GLubyte) );
if (!buffer) {
printf("Alloc image buffer failed!\n");
return 0;
}
// __asm__ __volatile__("int3");
/* Bind the buffer to the context and make it current */
if (!OSMesaMakeCurrent( ctx, buffer, GL_UNSIGNED_BYTE, Width, Height )) {
printf("OSMesaMakeCurrent failed!\n");
return 0;
}
{
int z, s, a;
glGetIntegerv(GL_DEPTH_BITS, &z);
glGetIntegerv(GL_STENCIL_BITS, &s);
glGetIntegerv(GL_ACCUM_RED_BITS, &a);
printf("Depth=%d Stencil=%d Accum=%d\n", z, s, a);
}
Reshape(Width, Height);
Init();
Draw();
printf("all done\n");
DrawWindow(10, 10, Width+9, Height+26, "OpenGL Engine Demo", 0x000000, 0x74);
Blit(buffer, 5, 22, 0, 0, Width, Height, Width,Height,Width*4);
while(repeat)
{
oskey_t key;
ev = wait_os_event(1);
switch(ev)
{
case 1:
DrawWindow(10, 10, Width+9, Width+26, NULL, 0x000000,0x74);
Blit(buffer, 5, 22, 0, 0, Width, Height, Width,Height,Width*4);
continue;
case 2:
key = get_key();
Key(key.code, 0, 0);
Draw();
Blit(buffer, 5, 22, 0, 0, Width, Height, Width,Height,Width*4);
continue;
case 3:
if(get_os_button()==1)
repeat=0;
continue;
};
Idle();
Draw();
Blit(buffer, 5, 22, 0, 0, Width, Height, Width,Height,Width*4);
};
/* free the image buffer */
free( buffer );
/* destroy the context */
OSMesaDestroyContext( ctx );
return 0;
}
int atexit(void (*func)(void))
{
return 0;
};

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contrib/sdk/samples/Mesa/readtex.c Normal file
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/* readtex.c */
/*
* Read an SGI .rgb image file and generate a mipmap texture set.
* Much of this code was borrowed from SGI's tk OpenGL toolkit.
*/
#include <GL/gl.h>
#include <GL/glu.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "readtex.h"
#ifndef SEEK_SET
# define SEEK_SET 0
#endif
/*
** RGB Image Structure
*/
typedef struct _TK_RGBImageRec {
GLint sizeX, sizeY;
GLint components;
unsigned char *data;
} TK_RGBImageRec;
/******************************************************************************/
typedef struct _rawImageRec {
unsigned short imagic;
unsigned short type;
unsigned short dim;
unsigned short sizeX, sizeY, sizeZ;
unsigned long min, max;
unsigned long wasteBytes;
char name[80];
unsigned long colorMap;
FILE *file;
unsigned char *tmp, *tmpR, *tmpG, *tmpB, *tmpA;
unsigned long rleEnd;
GLuint *rowStart;
GLint *rowSize;
} rawImageRec;
/******************************************************************************/
static void ConvertShort(unsigned short *array, long length)
{
unsigned long b1, b2;
unsigned char *ptr;
ptr = (unsigned char *)array;
while (length--) {
b1 = *ptr++;
b2 = *ptr++;
*array++ = (unsigned short) ((b1 << 8) | (b2));
}
}
static void ConvertLong(GLuint *array, long length)
{
unsigned long b1, b2, b3, b4;
unsigned char *ptr;
ptr = (unsigned char *)array;
while (length--) {
b1 = *ptr++;
b2 = *ptr++;
b3 = *ptr++;
b4 = *ptr++;
*array++ = (b1 << 24) | (b2 << 16) | (b3 << 8) | (b4);
}
}
static rawImageRec *RawImageOpen(const char *fileName)
{
union {
int testWord;
char testByte[4];
} endianTest;
rawImageRec *raw;
GLenum swapFlag;
int x;
size_t result;
endianTest.testWord = 1;
if (endianTest.testByte[0] == 1) {
swapFlag = GL_TRUE;
} else {
swapFlag = GL_FALSE;
}
raw = (rawImageRec *)calloc(1, sizeof(rawImageRec));
if (raw == NULL) {
fprintf(stderr, "Out of memory!\n");
return NULL;
}
raw->file = fopen(fileName, "rb");
if (raw->file == NULL) {
const char *baseName = strrchr(fileName, '/');
if(baseName)
raw->file = fopen(baseName + 1, "rb");
if(raw->file == NULL) {
free(raw);
return NULL;
}
}
result = fread(raw, 1, 12, raw->file);
assert(result == 12);
if (swapFlag) {
ConvertShort(&raw->imagic, 1);
ConvertShort(&raw->type, 1);
ConvertShort(&raw->dim, 1);
ConvertShort(&raw->sizeX, 1);
ConvertShort(&raw->sizeY, 1);
ConvertShort(&raw->sizeZ, 1);
}
raw->tmp = (unsigned char *)malloc(raw->sizeX*256);
raw->tmpR = (unsigned char *)malloc(raw->sizeX*256);
raw->tmpG = (unsigned char *)malloc(raw->sizeX*256);
raw->tmpB = (unsigned char *)malloc(raw->sizeX*256);
if (raw->sizeZ==4) {
raw->tmpA = (unsigned char *)malloc(raw->sizeX*256);
}
if (raw->tmp == NULL || raw->tmpR == NULL || raw->tmpG == NULL ||
raw->tmpB == NULL) {
fprintf(stderr, "Out of memory!\n");
free(raw->tmp);
free(raw->tmpR);
free(raw->tmpG);
free(raw->tmpB);
free(raw->tmpA);
free(raw);
return NULL;
}
if ((raw->type & 0xFF00) == 0x0100) {
x = raw->sizeY * raw->sizeZ * sizeof(GLuint);
raw->rowStart = (GLuint *)malloc(x);
raw->rowSize = (GLint *)malloc(x);
if (raw->rowStart == NULL || raw->rowSize == NULL) {
fprintf(stderr, "Out of memory!\n");
free(raw->tmp);
free(raw->tmpR);
free(raw->tmpG);
free(raw->tmpB);
free(raw->tmpA);
free(raw->rowStart);
free(raw->rowSize);
free(raw);
return NULL;
}
raw->rleEnd = 512 + (2 * x);
fseek(raw->file, 512, SEEK_SET);
result = fread(raw->rowStart, 1, x, raw->file);
assert(result == x);
result = fread(raw->rowSize, 1, x, raw->file);
assert(result == x);
if (swapFlag) {
ConvertLong(raw->rowStart, (long) (x/sizeof(GLuint)));
ConvertLong((GLuint *)raw->rowSize, (long) (x/sizeof(GLint)));
}
}
return raw;
}
static void RawImageClose(rawImageRec *raw)
{
fclose(raw->file);
free(raw->tmp);
free(raw->tmpR);
free(raw->tmpG);
free(raw->tmpB);
if (raw->rowStart)
free(raw->rowStart);
if (raw->rowSize)
free(raw->rowSize);
if (raw->sizeZ>3) {
free(raw->tmpA);
}
free(raw);
}
static void RawImageGetRow(rawImageRec *raw, unsigned char *buf, int y, int z)
{
unsigned char *iPtr, *oPtr, pixel;
int count, done = 0;
size_t result;
if ((raw->type & 0xFF00) == 0x0100) {
fseek(raw->file, (long) raw->rowStart[y+z*raw->sizeY], SEEK_SET);
result = fread(raw->tmp, 1, (unsigned int)raw->rowSize[y+z*raw->sizeY],
raw->file);
assert(result == (unsigned int)raw->rowSize[y+z*raw->sizeY]);
iPtr = raw->tmp;
oPtr = buf;
while (!done) {
pixel = *iPtr++;
count = (int)(pixel & 0x7F);
if (!count) {
done = 1;
return;
}
if (pixel & 0x80) {
while (count--) {
*oPtr++ = *iPtr++;
}
} else {
pixel = *iPtr++;
while (count--) {
*oPtr++ = pixel;
}
}
}
} else {
fseek(raw->file, 512+(y*raw->sizeX)+(z*raw->sizeX*raw->sizeY),
SEEK_SET);
result = fread(buf, 1, raw->sizeX, raw->file);
assert(result == raw->sizeX);
}
}
static void RawImageGetData(rawImageRec *raw, TK_RGBImageRec *final)
{
unsigned char *ptr;
int i, j;
final->data = (unsigned char *)malloc((raw->sizeX+1)*(raw->sizeY+1)*4);
if (final->data == NULL) {
fprintf(stderr, "Out of memory!\n");
return;
}
ptr = final->data;
for (i = 0; i < (int)(raw->sizeY); i++) {
RawImageGetRow(raw, raw->tmpR, i, 0);
RawImageGetRow(raw, raw->tmpG, i, 1);
RawImageGetRow(raw, raw->tmpB, i, 2);
if (raw->sizeZ>3) {
RawImageGetRow(raw, raw->tmpA, i, 3);
}
for (j = 0; j < (int)(raw->sizeX); j++) {
*ptr++ = *(raw->tmpR + j);
*ptr++ = *(raw->tmpG + j);
*ptr++ = *(raw->tmpB + j);
if (raw->sizeZ>3) {
*ptr++ = *(raw->tmpA + j);
}
}
}
}
static TK_RGBImageRec *tkRGBImageLoad(const char *fileName)
{
rawImageRec *raw;
TK_RGBImageRec *final;
raw = RawImageOpen(fileName);
if (!raw) {
fprintf(stderr, "File not found\n");
return NULL;
}
final = (TK_RGBImageRec *)malloc(sizeof(TK_RGBImageRec));
if (final == NULL) {
fprintf(stderr, "Out of memory!\n");
RawImageClose(raw);
return NULL;
}
final->sizeX = raw->sizeX;
final->sizeY = raw->sizeY;
final->components = raw->sizeZ;
RawImageGetData(raw, final);
RawImageClose(raw);
return final;
}
static void FreeImage( TK_RGBImageRec *image )
{
free(image->data);
free(image);
}
/*
* Load an SGI .rgb file and generate a set of 2-D mipmaps from it.
* Input: imageFile - name of .rgb to read
* intFormat - internal texture format to use, or number of components
* Return: GL_TRUE if success, GL_FALSE if error.
*/
GLboolean LoadRGBMipmaps( const char *imageFile, GLint intFormat )
{
GLint w, h;
return LoadRGBMipmaps2( imageFile, GL_TEXTURE_2D, intFormat, &w, &h );
}
GLboolean LoadRGBMipmaps2( const char *imageFile, GLenum target,
GLint intFormat, GLint *width, GLint *height )
{
GLint error;
GLenum format;
TK_RGBImageRec *image;
image = tkRGBImageLoad( imageFile );
if (!image) {
return GL_FALSE;
}
if (image->components==3) {
format = GL_RGB;
}
else if (image->components==4) {
format = GL_RGBA;
}
else {
/* not implemented */
fprintf(stderr,
"Error in LoadRGBMipmaps %d-component images not implemented\n",
image->components );
FreeImage(image);
return GL_FALSE;
}
error = gluBuild2DMipmaps( target,
intFormat,
image->sizeX, image->sizeY,
format,
GL_UNSIGNED_BYTE,
image->data );
*width = image->sizeX;
*height = image->sizeY;
FreeImage(image);
return error ? GL_FALSE : GL_TRUE;
}
/*
* Load an SGI .rgb file and return a pointer to the image data.
* Input: imageFile - name of .rgb to read
* Output: width - width of image
* height - height of image
* format - format of image (GL_RGB or GL_RGBA)
* Return: pointer to image data or NULL if error
*/
GLubyte *LoadRGBImage( const char *imageFile, GLint *width, GLint *height,
GLenum *format )
{
TK_RGBImageRec *image;
GLint bytes;
GLubyte *buffer;
image = tkRGBImageLoad( imageFile );
if (!image) {
return NULL;
}
if (image->components==3) {
*format = GL_RGB;
}
else if (image->components==4) {
*format = GL_RGBA;
}
else {
/* not implemented */
fprintf(stderr,
"Error in LoadRGBImage %d-component images not implemented\n",
image->components );
FreeImage(image);
return NULL;
}
*width = image->sizeX;
*height = image->sizeY;
bytes = image->sizeX * image->sizeY * image->components;
buffer = (GLubyte *) malloc(bytes);
if (!buffer) {
FreeImage(image);
return NULL;
}
memcpy( (void *) buffer, (void *) image->data, bytes );
FreeImage(image);
return buffer;
}
#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) )
static void ConvertRGBtoYUV(GLint w, GLint h, GLint texel_bytes,
const GLubyte *src,
GLushort *dest)
{
GLint i, j;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const GLfloat r = (src[0]) / 255.0;
const GLfloat g = (src[1]) / 255.0;
const GLfloat b = (src[2]) / 255.0;
GLfloat y, cr, cb;
GLint iy, icr, icb;
y = r * 65.481 + g * 128.553 + b * 24.966 + 16;
cb = r * -37.797 + g * -74.203 + b * 112.0 + 128;
cr = r * 112.0 + g * -93.786 + b * -18.214 + 128;
/*printf("%f %f %f -> %f %f %f\n", r, g, b, y, cb, cr);*/
iy = (GLint) CLAMP(y, 0, 254);
icb = (GLint) CLAMP(cb, 0, 254);
icr = (GLint) CLAMP(cr, 0, 254);
if (j & 1) {
/* odd */
*dest = (iy << 8) | icr;
}
else {
/* even */
*dest = (iy << 8) | icb;
}
dest++;
src += texel_bytes;
}
}
}
/*
* Load an SGI .rgb file and return a pointer to the image data, converted
* to 422 yuv.
*
* Input: imageFile - name of .rgb to read
* Output: width - width of image
* height - height of image
* Return: pointer to image data or NULL if error
*/
GLushort *LoadYUVImage( const char *imageFile, GLint *width, GLint *height )
{
TK_RGBImageRec *image;
GLushort *buffer;
image = tkRGBImageLoad( imageFile );
if (!image) {
return NULL;
}
if (image->components != 3 && image->components !=4 ) {
/* not implemented */
fprintf(stderr,
"Error in LoadYUVImage %d-component images not implemented\n",
image->components );
FreeImage(image);
return NULL;
}
*width = image->sizeX;
*height = image->sizeY;
buffer = (GLushort *) malloc( image->sizeX * image->sizeY * 2 );
if (buffer)
ConvertRGBtoYUV( image->sizeX,
image->sizeY,
image->components,
image->data,
buffer );
FreeImage(image);
return buffer;
}

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contrib/sdk/samples/Mesa/readtex.h Normal file
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/* readtex.h */
#ifndef READTEX_H
#define READTEX_H
#include <GL/gl.h>
extern GLboolean
LoadRGBMipmaps( const char *imageFile, GLint intFormat );
extern GLboolean
LoadRGBMipmaps2( const char *imageFile, GLenum target,
GLint intFormat, GLint *width, GLint *height );
extern GLubyte *
LoadRGBImage( const char *imageFile,
GLint *width, GLint *height, GLenum *format );
extern GLushort *
LoadYUVImage( const char *imageFile, GLint *width, GLint *height );
#endif

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contrib/sdk/samples/Mesa/reflect.rgb Normal file
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63
contrib/sdk/samples/Mesa/shaderutil.h Normal file
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#ifndef SHADER_UTIL_H
#define SHADER_UTIL_H
struct uniform_info
{
const char *name;
GLuint size; /**< number of value[] elements: 1, 2, 3 or 4 */
GLenum type; /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, etc */
GLfloat value[4];
GLint location; /**< filled in by InitUniforms() */
};
#define END_OF_UNIFORMS { NULL, 0, GL_NONE, { 0, 0, 0, 0 }, -1 }
struct attrib_info
{
const char *name;
GLuint size; /**< number of value[] elements: 1, 2, 3 or 4 */
GLenum type; /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, etc */
GLint location;
};
extern GLboolean
ShadersSupported(void);
extern GLuint
CompileShaderText(GLenum shaderType, const char *text);
extern GLuint
CompileShaderFile(GLenum shaderType, const char *filename);
extern GLuint
LinkShaders(GLuint vertShader, GLuint fragShader);
extern GLboolean
ValidateShaderProgram(GLuint program);
extern GLdouble
GetShaderCompileTime(void);
extern GLdouble
GetShaderLinkTime(void);
extern void
SetUniformValues(GLuint program, struct uniform_info uniforms[]);
extern GLuint
GetUniforms(GLuint program, struct uniform_info uniforms[]);
extern void
PrintUniforms(const struct uniform_info uniforms[]);
extern GLuint
GetAttribs(GLuint program, struct attrib_info attribs[]);
extern void
PrintAttribs(const struct attrib_info attribs[]);
#endif /* SHADER_UTIL_H */