Porting NV_vertex_program tests to ARB_vertex_program

1 files changed, 167 insertions, 0 deletions

diff --git a/progs/tests/arbvptest1.c b/progs/tests/arbvptest1.c
new file mode 100644
index 00000000000..65f693a226c
--- /dev/null
+++ b/progs/tests/arbvptest1.c
@@ -0,0 +1,167 @@
+/* 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 void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+
+   glBegin(GL_POLYGON);
+   glVertexAttrib2fNV(0, -1, -1);
+   glVertexAttrib2fNV(0, 1, -1);
+   glVertexAttrib2fNV(0, 0,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   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();
+}
+
+static void load_program(const char *prog, GLuint prognum)
+{
+   int a;	
+   GLint errorpos, errno;
+   
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(prog), (const GLubyte *) prog);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+
+      for (a=-10; a<10; a++)
+      {
+         if ((errorpos+a < 0) || (errorpos+a >= strlen(prog))) continue;	      
+         printf("%c", prog[errorpos+a]);
+      }	  
+      printf("\n");      
+      exit(1);
+   }
+}
+
+static void Init( void )
+{
+   GLuint prognum[4];
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "TEMP R0;\n"      
+      "MUL   result.color.primary.xyz, R0, program.local[35]; \n"
+      "END\n";
+   static const char *prog2 =
+      "!!ARBvp1.0\n"
+      "#\n"
+      "# c[0-3]  = modelview projection (composite) matrix\n"
+      "# c[32]   = normalized light direction in object-space\n"
+      "# c[35]   = yellow diffuse material, (1.0, 1.0, 0.0, 1.0)\n"
+      "# c[64].x = 0.0\n"
+      "# c[64].z = 0.125, a scaling factor\n"
+      "TEMP R0, R1;\n"      
+      "#\n"
+      "# outputs diffuse illumination for color and perturbed position\n"
+      "#\n"
+      "DP3   R0, program.local[32], vertex.normal;  # light direction DOT normal\n"
+      "MUL   result.color.primary.xyz, R0, program.local[35]; \n"
+      "MAX   R0, program.local[64].x, R0; \n"
+      "MUL   R0, R0, vertex.normal; \n"
+      "MUL   R0, R0, program.local[64].z;  \n"
+      "ADD   R1, vertex.position, -R0;       # perturb object space position\n"
+      "DP4   result.position.x, state.matrix.mvp.row[0], R1; \n"
+      "DP4   result.position.y, state.matrix.mvp.row[1], R1; \n"
+      "DP4   result.position.z, state.matrix.mvp.row[2], R1; \n"
+      "DP4   result.position.w, state.matrix.mvp.row[3], R1; \n"
+      "END\n";
+   static const char *prog3 = 
+      "!!ARBvp1.0\n"
+      "TEMP R0, R1, R2, R3;\n"      
+      "DP4   result.position.x, state.matrix.mvp.row[0], vertex.position;\n"
+      "DP4   result.position.y, state.matrix.mvp.row[1], vertex.position;\n"
+      "DP4   result.position.z, state.matrix.mvp.row[2], vertex.position;\n"
+      "DP4   result.position.w, state.matrix.mvp.row[3], vertex.position;\n"
+      "DP3   R0.x, state.matrix.modelview.inverse.row[0], vertex.normal;\n"
+      "DP3   R0.y, state.matrix.modelview.inverse.row[1], vertex.normal;\n"
+      "DP3   R0.z, state.matrix.modelview.inverse.row[2], vertex.normal;\n" 
+      "DP3   R1.x, program.env[32], R0;               # R1.x = Lpos DOT n'\n"
+      "DP3   R1.y, program.env[33], R0;               # R1.y = hHat DOT n'\n"
+      "MOV   R1.w, program.local[38].x;               # R1.w = specular power\n"
+      "LIT   R2, R1;                                  # Compute lighting values\n"
+      "MAD   R3, program.env[35].x, R2.y, program.env[35].y;       # diffuse + emissive\n"
+      "MAD   result.color.primary.xyz, program.env[36], R2.z, R3;  # + specular\n"
+      "END\n";
+   static const char *prog4 = 
+      "!!ARBvp1.0\n"
+      "TEMP R2, R3\n"
+      "DP4   R2, R3, program.local[A0.x];\n"
+#if 0
+      "DP4   R2, R3, program.local[A0.x + 5];\n"
+      "DP4   result.position, R3, program.local[A0.x - 4];\n"
+#else
+      "END\n";
+#endif
+
+   glGenProgramsNV(4, prognum);
+
+   load_program(prog1, prognum[0]);   
+   load_program(prog2, prognum[1]);   
+   load_program(prog3, prognum[2]);   
+   
+   /*
+    * XXX: Don't have relative offsets working yet 
+   load_program(prog4, prognum[3]);   
+   */
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}