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mesa: added test for very long fixed-function vertex programs

This commit is contained in:
Brian Paul 2008-08-28 15:22:44 -06:00
parent ee87d7d9ec
commit 380385ab7d
2 changed files with 152 additions and 0 deletions
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1
progs/trivial/Makefile
View File

@ -41,6 +41,7 @@ SOURCES = \
linestrip-stipple-wide.c \
linestrip-stipple.c \
linestrip.c \
long-fixed-func.c \
pgon-mode.c \
point-clip.c \
point-param.c \

151
progs/trivial/long-fixed-func.c Normal file
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@ -0,0 +1,151 @@
/**
* Enable as much fixed-function vertex processing state as possible
* to test fixed-function -> program code generation.
*/
#define GL_GLEXT_PROTOTYPES
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <GL/glut.h>
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
Draw(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_TRIANGLES);
glColor3f(.8,0,0);
glVertex3f(-0.9, -0.9, -30.0);
glColor3f(0,.9,0);
glVertex3f( 0.9, -0.9, -30.0);
glColor3f(0,0,.7);
glVertex3f( 0.0, 0.9, -30.0);
glEnd();
glFlush();
glutSwapBuffers();
}
static void
Init(void)
{
GLubyte tex[16][16][4];
GLfloat pos[4] = {5, 10, 3, 1.0};
int i, j;
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(0.3, 0.1, 0.3, 0.0);
for (i = 0; i < 16; i++) {
for (j = 0; j < 16; j++) {
if ((i+j) & 1) {
tex[i][j][0] = 100;
tex[i][j][1] = 100;
tex[i][j][2] = 100;
tex[i][j][3] = 255;
}
else {
tex[i][j][0] = 200;
tex[i][j][1] = 200;
tex[i][j][2] = 200;
tex[i][j][3] = 255;
}
}
}
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
glFogi(GL_FOG_MODE, GL_LINEAR);
glEnable(GL_FOG);
glPointParameterfv(GL_DISTANCE_ATTENUATION_EXT, pos);
for (i = 0; i < 8; i++) {
GLuint texObj;
glEnable(GL_LIGHT0 + i);
glLightf(GL_LIGHT0 + i, GL_SPOT_EXPONENT, 3.5);
glLightf(GL_LIGHT0 + i, GL_SPOT_CUTOFF, 30.);
glLightf(GL_LIGHT0 + i, GL_CONSTANT_ATTENUATION, 3.);
glLightf(GL_LIGHT0 + i, GL_LINEAR_ATTENUATION, 3.);
glLightf(GL_LIGHT0 + i, GL_QUADRATIC_ATTENUATION, 3.);
glLightfv(GL_LIGHT0 + i, GL_POSITION, pos);
glActiveTexture(GL_TEXTURE0 + i);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
glTexGeni(GL_Q, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glEnable(GL_TEXTURE_GEN_R);
glEnable(GL_TEXTURE_GEN_Q);
glEnable(GL_TEXTURE_2D);
glMatrixMode(GL_TEXTURE);
glScalef(2.0, 1.0, 3.0);
glGenTextures(1, &texObj);
glBindTexture(GL_TEXTURE_2D, texObj);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0,
GL_RGBA, GL_UNSIGNED_BYTE, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
glEnable(GL_LIGHTING);
glActiveTexture(GL_TEXTURE0);
glMatrixMode(GL_MODELVIEW);
}
static void
Key(unsigned char key, int x, int y)
{
if (key == 27) {
exit(0);
}
glutPostRedisplay();
}
int
main(int argc, char **argv)
{
GLenum type = GLUT_RGB | GLUT_DOUBLE;
glutInit(&argc, argv);
glutInitWindowPosition(0, 0);
glutInitWindowSize( 250, 250);
glutInitDisplayMode(type);
if (glutCreateWindow("tri-long-fixedfunc") == GL_FALSE) {
exit(1);
}
glutReshapeFunc(Reshape);
glutKeyboardFunc(Key);
glutDisplayFunc(Draw);
Init();
glutMainLoop();
return 0;
}