trivial: more vp tests

1 files changed, 189 insertions, 0 deletions

diff --git a/progs/trivial/vp-tri-cb-tex.c b/progs/trivial/vp-tri-cb-tex.c
new file mode 100644
index 00000000000..1e99d5b6abc
--- /dev/null
+++ b/progs/trivial/vp-tri-cb-tex.c
@@ -0,0 +1,189 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "PARAM Emission = state.material.emission; \n"
+      "PARAM Ambient = state.material.ambient; \n"
+      "PARAM Diffuse = state.material.diffuse; \n"
+      "PARAM Specular = state.material.specular; \n"
+      "DP4  result.position.x, Ambient, vertex.position;\n"
+      "DP4  result.position.y, Diffuse, vertex.position;\n"
+      "DP4  result.position.z, Specular, vertex.position;\n"
+      "DP4  result.position.w, Emission, vertex.position;\n"
+      "MOV  result.texcoord[0], vertex.texcoord[0];\n"
+      "END\n";
+
+   const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+   const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+   const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+   const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+#define SIZE 32
+   {
+      GLubyte tex2d[SIZE][SIZE][3];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+#if 0
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+#else
+	    tex2d[t][s][0] = s*255/(SIZE-1);
+	    tex2d[t][s][1] = t*255/(SIZE-1);
+	    tex2d[t][s][2] = 0;
+#endif
+	 }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+      glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+      glEnable(GL_TEXTURE_2D);
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+   }
+
+}
+
+
+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);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glTexCoord2f(1,-1); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glTexCoord2f(1,1); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glTexCoord2f(-1,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   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(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}