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-rw-r--r--progs/trivial/long-fixed-func.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/progs/trivial/long-fixed-func.c b/progs/trivial/long-fixed-func.c
new file mode 100644
index 0000000000..88f4fe01ec
--- /dev/null
+++ b/progs/trivial/long-fixed-func.c
@@ -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;
+}