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

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 00000000000..88f4fe01ec8
--- /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;
+}