standalone tests for vp instructions

progs/vp/Makefile

@@ -0,0 +1,53 @@
+# progs/tests/Makefile
+
+
+# These programs aren't intended to be included with the normal distro.
+# They're not too interesting but they're good for testing.
+
+TOP = ../..
+include $(TOP)/configs/current
+
+
+LIBS = $(APP_LIB_DEPS)
+
+SOURCES = \
+	vp-tris.c
+
+
+
+PROGS = $(SOURCES:%.c=%)
+
+INCLUDES = -I. -I$(TOP)/include -I../samples
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c:
+	$(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+
+.c.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+.S.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+
+
+##### TARGETS #####
+
+default: $(PROGS)
+
+clean:
+	rm -f $(PROGS)
+	rm -f *.o
+	rm -f getproclist.h
+
+
+
+
+
+# Emacs tags
+tags:
+	etags `find . -name \*.[ch]` `find ../include`

progs/vp/abs.txt

@@ -0,0 +1,7 @@
+!!ARBvp1.0
+TEMP R0;
+SUB R0, {0.5}.x, vertex.color; 
+ABS result.color, R0; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/add.txt

@@ -0,0 +1,6 @@
+!!ARBvp1.0
+TEMP R0;
+ADD R0, vertex.color, vertex.color; 
+ADD result.color, R0, R0;
+MOV  result.position, vertex.position;
+END

progs/vp/dp3.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+DP3 result.color, vertex.color, vertex.color; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/dp4.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+DP4 result.color, vertex.color.xxxx, vertex.color; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/dph.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+DPH result.color, vertex.color, vertex.color; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/dst.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+DST result.color, vertex.color, vertex.color; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/ex2.txt

@@ -0,0 +1,6 @@
+!!ARBvp1.0
+TEMP R0;
+EX2 R0, vertex.color.x; 
+SUB result.color, R0, {1.0}.x;
+MOV  result.position, vertex.position;
+END

progs/vp/flr.txt

@@ -0,0 +1,6 @@
+!!ARBvp1.0
+TEMP R0;
+ADD R0, vertex.color, {0.5}.x; 
+FLR result.color, R0;
+MOV  result.position, vertex.position;
+END

progs/vp/frc.txt

@@ -0,0 +1,6 @@
+!!ARBvp1.0
+TEMP R0;
+MUL R0, vertex.color, {3.0}.x; 
+FRC result.color, R0;
+MOV  result.position, vertex.position;
+END

progs/vp/lg2.txt

@@ -0,0 +1,6 @@
+!!ARBvp1.0
+TEMP R0;
+MUL R0, vertex.color, {4.0}.x; 
+LG2 result.color, R0.x;
+MOV  result.position, vertex.position;
+END

progs/vp/lit.txt

@@ -0,0 +1,6 @@
+!!ARBvp1.0
+TEMP R0;
+SUB R0, {0.5}.x, vertex.color; 
+LIT result.color, R0;
+MOV  result.position, vertex.position;
+END

progs/vp/mad.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+MAD result.color, vertex.color.z, {1,0,0,1}, vertex.color; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/max.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+MAX result.color, {0.5}.x, vertex.color; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/min.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+MIN result.color, {0.5}.x, vertex.color; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/mov.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+MOV result.color, vertex.color; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/mul.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+MUL result.color, vertex.color, vertex.color; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/pow.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+POW result.color, vertex.color.x, vertex.color.y; 
+MOV  result.position, vertex.position;
+END
+

progs/vp/rcp.txt

@@ -0,0 +1,7 @@
+!!ARBvp1.0
+TEMP R0;
+ADD R0, vertex.color.x, vertex.color.x;	
+RCP result.color, R0.x;
+MOV  result.position, vertex.position;
+END
+

progs/vp/rsq.txt

@@ -0,0 +1,7 @@
+!!ARBvp1.0
+TEMP R0;
+MUL R0, vertex.color, {3.0}.x;	
+RSQ result.color, R0.x;
+MOV  result.position, vertex.position;
+END
+

progs/vp/sge.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+SGE result.color, {0.5}.x, vertex.color;
+MOV  result.position, vertex.position;
+END
+

progs/vp/slt.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+SLT result.color, {0.5}.x, vertex.color;
+MOV  result.position, vertex.position;
+END
+

progs/vp/sub.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+SUB result.color, vertex.color.yzxw, vertex.color;
+MOV  result.position, vertex.position;
+END
+

progs/vp/swz.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+MOV  result.color, vertex.color.xxzx;
+MOV  result.position, vertex.position;
+END
+

progs/vp/swz2.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+SWZ result.color, vertex.color, 1,x,y,z;
+MOV  result.position, vertex.position;
+END
+

progs/vp/vp-tris.c

@@ -0,0 +1,218 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static const char *filename = NULL;
+static GLuint nr_steps = 4;
+
+static void usage( char *name )
+{
+   fprintf( stderr, "usage: %s [ options ] shader_filename\n", name );
+   fprintf( stderr, "\n" );
+   fprintf( stderr, "options:\n" );
+   fprintf( stderr, "    -f     flat shaded\n" );
+   fprintf( stderr, "    -nNr  subdivision steps\n" );
+}
+
+
+static void args(int argc, char *argv[])
+{
+   GLint i;
+   
+   fprintf(stderr, "%d\n", argc);
+
+   for (i = 1; i < argc; i++) {
+      if (strncmp(argv[i], "-n", 2) == 0) {
+	 nr_steps = atoi((argv[i]) + 2);
+      }
+      else if (strcmp(argv[i], "-f") == 0) {
+	 glShadeModel(GL_FLAT);
+      }
+      else if (i == argc - 1) {
+	 filename = argv[i];
+      }
+      else {
+	 usage(argv[0]);
+	 exit(1);
+      }
+   }
+
+   if (!filename) {
+      usage(argv[0]);
+      exit(1);
+   }
+}
+
+
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   char buf[4096];
+   GLuint sz;
+   FILE *f;
+
+   if ((f = fopen(filename, "r")) == NULL) {
+      fprintf(stderr, "couldn't open %s\n", filename);
+      exit(1);
+   }
+
+   sz = fread(buf, 1, sizeof(buf), f);
+   if (!feof(f)) {
+      fprintf(stderr, "file too long\n");
+      exit(1);
+   }
+
+   fprintf(stderr, "%*s\n", sz, buf);
+      
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      sz, (const GLubyte *) buf);
+
+   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));
+   }
+}
+
+
+union vert {
+   struct {
+      GLfloat color[3];
+      GLfloat pos[3];
+   } v;
+   GLfloat f[6];
+};
+
+static void make_midpoint( union vert *out,
+			   const union vert *v0,
+			   const union vert *v1)
+{
+   int i;
+   for (i = 0; i < 6; i++)
+      out->f[i] = v0->f[i] + .5 * (v1->f[i] - v0->f[i]);
+}
+
+static void subdiv( union vert *v0, 
+		    union vert *v1,
+		    union vert *v2,
+		    GLuint depth )
+{
+   if (depth == 0) {
+      glColor3fv(v0->v.color);
+      glVertex3fv(v0->v.pos);
+      glColor3fv(v1->v.color); 
+      glVertex3fv(v1->v.pos);
+      glColor3fv(v2->v.color); 
+      glVertex3fv(v2->v.pos);
+   }
+   else {
+      union vert m[3];
+
+      make_midpoint(&m[0], v0, v1);
+      make_midpoint(&m[1], v1, v2);
+      make_midpoint(&m[2], v2, v0);
+      
+      subdiv(&m[0], &m[2], v0, depth-1);
+      subdiv(&m[1], &m[0], v1, depth-1);
+      subdiv(&m[2], &m[1], v2, depth-1);
+      subdiv(&m[0], &m[1], &m[2], depth-1);
+   }
+}
+
+/** Assignment */
+#define ASSIGN_3V( V, V0, V1, V2 )  \
+do {                                \
+    V[0] = V0;                      \
+    V[1] = V1;                      \
+    V[2] = V2;                      \
+} while(0)
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+   glBegin(GL_TRIANGLES);
+
+
+   {
+      union vert v[3];
+
+      ASSIGN_3V(v[0].v.color, 0,0,1); 
+      ASSIGN_3V(v[0].v.pos,  0.9, -0.9, 0.0);
+      ASSIGN_3V(v[1].v.color, 0,1,0); 
+      ASSIGN_3V(v[1].v.pos, 0.9, 0.9, 0.0);
+      ASSIGN_3V(v[2].v.color, 1,0,0); 
+      ASSIGN_3V(v[2].v.pos, -0.9, 0, 0.0);
+
+      subdiv(&v[0], &v[1], &v[2], nr_steps);
+   }
+
+   glEnd();
+
+
+   glFlush(); 
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   args( argc, argv );
+   Init();
+   glutMainLoop();
+   return 0;
+}

progs/vp/xpd.txt

@@ -0,0 +1,5 @@
+!!ARBvp1.0
+XPD result.color, vertex.color, {2,2,2,0};
+MOV  result.position, vertex.position;
+END
+