From b57031624ef94dd3128f989acabdffa2f2a32f57 Mon Sep 17 00:00:00 2001 From: Jakob Bornecrantz Date: Fri, 13 Feb 2009 21:17:39 +0100 Subject: [PATCH] trivial: Add a tri-unfilled-fog test --- progs/trivial/.gitignore | 1 + progs/trivial/Makefile | 1 + progs/trivial/SConscript | 1 + progs/trivial/tri-unfilled-fog.c | 152 +++++++++++++++++++++++++++++++ 4 files changed, 155 insertions(+) create mode 100644 progs/trivial/tri-unfilled-fog.c diff --git a/progs/trivial/.gitignore b/progs/trivial/.gitignore index d77f120b96b..f58345ce3b1 100644 --- a/progs/trivial/.gitignore +++ b/progs/trivial/.gitignore @@ -102,6 +102,7 @@ tri-tri tri-unfilled tri-unfilled-clip tri-unfilled-edgeflag +tri-unfilled-fog tri-unfilled-smooth tri-unfilled-tri tri-unfilled-tri-lit diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile index dce96f6bc8c..2800f3ef823 100644 --- a/progs/trivial/Makefile +++ b/progs/trivial/Makefile @@ -108,6 +108,7 @@ SOURCES = \ tri-tex.c \ tri-tex-3d.c \ tri-tri.c \ + tri-unfilled-fog.c \ tri-unfilled-edgeflag.c \ tri-unfilled-clip.c \ tri-unfilled-smooth.c \ diff --git a/progs/trivial/SConscript b/progs/trivial/SConscript index 76826d9be08..d699e2b46b5 100644 --- a/progs/trivial/SConscript +++ b/progs/trivial/SConscript @@ -103,6 +103,7 @@ progs = [ 'tri-tex', 'tri-tex-3d', 'tri-tri', + 'tri-unfilled-fog', 'tri-unfilled-edgeflag', 'tri-unfilled-clip', 'tri-unfilled-smooth', diff --git a/progs/trivial/tri-unfilled-fog.c b/progs/trivial/tri-unfilled-fog.c new file mode 100644 index 00000000000..90444aecdfd --- /dev/null +++ b/progs/trivial/tri-unfilled-fog.c @@ -0,0 +1,152 @@ +/* + * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation for any purpose is hereby granted without fee, provided + * that (i) the above copyright notices and this permission notice appear in + * all copies of the software and related documentation, and (ii) the name of + * Silicon Graphics may not be used in any advertising or + * publicity relating to the software without the specific, prior written + * permission of Silicon Graphics. + * + * THE SOFTWARE IS PROVIDED "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 BE LIABLE FOR + * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, + * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF + * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include +#include +#include +#include + + +#define CI_OFFSET_1 16 +#define CI_OFFSET_2 32 + +GLint Width = 250, Height = 250; + +GLenum doubleBuffer; + +static void Init(void) +{ + fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); + fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); + fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR)); + + glClearColor(0.0, 0.0, 1.0, 0.0); +} + +static void Reshape(int width, int height) +{ + glViewport(0, 0, (GLint)width, (GLint)height); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); + glMatrixMode(GL_MODELVIEW); +} + +static void Key(unsigned char key, int x, int y) +{ + switch (key) { + case 27: + exit(1); + } + + glutPostRedisplay(); +} + +static void Draw(void) +{ + glClear(GL_COLOR_BUFFER_BIT); + + glEnable(GL_FOG); + + glPolygonMode(GL_FRONT, GL_FILL); + glPolygonMode(GL_BACK, GL_FILL); + + glBegin(GL_TRIANGLES); + glColor3f(0,0,.7); + glVertex3f( 0.7, -0.7, -30.0); + glColor3f(.8,0,0); + glVertex3f( 0.7, 0.7, -30.0); + glColor3f(0,.9,0); + glVertex3f(-0.7, 0.0, -30.0); + glEnd(); + + glPolygonMode(GL_FRONT, GL_LINE); + glPolygonMode(GL_BACK, GL_LINE); + + glBegin(GL_TRIANGLES); + glColor3f(0,0,.7); + glVertex3f( 0.9, -0.9, -30.0); + glColor3f(.8,0,0); + glVertex3f( 0.9, 0.9, -30.0); + glColor3f(0,.9,0); + glVertex3f(-0.9, 0.0, -30.0); + glEnd(); + + glDisable(GL_FOG); + + glFlush(); + + if (doubleBuffer) { + glutSwapBuffers(); + } +} + +static GLenum Args(int argc, char **argv) +{ + GLint i; + + doubleBuffer = GL_FALSE; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-sb") == 0) { + doubleBuffer = GL_FALSE; + } else if (strcmp(argv[i], "-db") == 0) { + doubleBuffer = GL_TRUE; + } else { + fprintf(stderr, "%s (Bad option).\n", argv[i]); + return GL_FALSE; + } + } + return GL_TRUE; +} + +int main(int argc, char **argv) +{ + GLenum type; + + glutInit(&argc, argv); + + if (Args(argc, argv) == GL_FALSE) { + exit(1); + } + + glutInitWindowPosition(100, 0); glutInitWindowSize(Width, Height); + + type = GLUT_RGB; + type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; + glutInitDisplayMode(type); + + if (glutCreateWindow("Filled and unfilled fog tri") == GL_FALSE) { + exit(1); + } + + Init(); + + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + glutMainLoop(); + return 0; +} -- 2.30.2