Moving NV_fragment_program tests to ARB_fragment_program

3 files changed, 365 insertions, 1 deletions

diff --git a/progs/tests/Makefile.X11 b/progs/tests/Makefile.X11
index ff2e040..8388a1a 100644
--- a/progs/tests/Makefile.X11
+++ b/progs/tests/Makefile.X11
@@ -9,7 +9,9 @@ LIBDIR = $(TOP)/lib
 LIBS = -L$(LIBDIR) $(APP_LIB_DEPS)
 
 SOURCES = antialias.c \
-   arbvptest1.c \
+	arbfptest1.c \
+	arbfptexture.c \
+	arbvptest1.c \
 	arbvptest3.c \
 	arbvptorus.c \
 	arbvpwarpmesh.c \
diff --git a/progs/tests/arbfptest1.c b/progs/tests/arbfptest1.c
new file mode 100644
index 0000000..ed1ed01
--- /dev/null
+++ b/progs/tests/arbfptest1.c
@@ -0,0 +1,210 @@
+/* Test GL_ARB_fragment_program */
+
+#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();
+
+   glColor4f(0, 0.5, 0, 1);
+   glColor4f(0, 1, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 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_FRAGMENT_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_FRAGMENT_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 )
+{
+   static const char *prog0 =
+      "!!ARBfp1.0\n"
+      "TEMP R0, RC, HC, H0, H1, H2, H3, H30 ;\n"
+      "MUL       result.color, R0, fragment.position; \n"
+      "ADD       result.color, H3, fragment.texcoord; \n"
+      "ADD_SAT   result.color, H3, fragment.texcoord; \n"
+      "MUL       result.color.xy, R0.wzyx, fragment.position; \n"
+      "MUL       result.color, H0, fragment.position; \n"
+      "MUL       result.color, -H0, fragment.position; \n"
+      "MOV       RC, H1; \n"
+      "MOV       HC, H2; \n"
+      "END \n"
+      ;
+   /* masked updates, defines, declarations */
+   static const char *prog1 =
+      "!!ARBfp1.0\n"
+      "PARAM foo = {1., 2., 3., 4.}; \n"
+      "PARAM foo2 = 5.; \n"
+      "PARAM foo3 = {5., 6., 7., 8.}; \n"
+      "PARAM bar = 3.; \n"
+      "TEMP  R0, R1, RC, EQ, NE, bar2; \n"
+      "ALIAS bar3 = bar; \n"
+      "MOV result.color.xy,  R0; \n"
+      "MOV result.color,     R0; \n"
+      "MOV result.color.xyzw, R0; \n"
+      "MOV result.color.xy,  R0; \n"
+      "MOV RC.x, R1.x; \n"
+      "KIL NE; \n"
+      "KIL EQ.xyxy; \n"
+      "END \n"
+      ;
+
+   /* texture instructions */
+   static const char *prog2 =
+      "!!ARBfp1.0\n"
+      "TEMP R0, R1, R2, R3;\n"
+      "TEX R0, fragment.texcoord,    texture[1], 2D; \n"
+      "TEX R1, fragment.texcoord[1], texture[1], CUBE; \n"
+      "TEX R2, fragment.texcoord[2], texture[2], 3D; \n"
+      "TXP R3, fragment.texcoord[3], texture[3], RECT; \n"
+      "MUL result.color, R0, fragment.color; \n"
+      "END \n"
+      ;
+
+   /* test negation, absolute value */
+   static const char *prog3 =
+      "!!ARBfp1.0\n"
+      "TEMP R0, R1;\n"
+      "MOV R0,  R1; \n"
+      "MOV R0, -R1; \n"
+      "MOV result.color, R0; \n"
+      "END \n"
+      ;
+
+   /* literal constant sources */
+   static const char *prog4 =
+      "!!ARBfp1.0\n"
+      "TEMP R0, R1;\n"
+      "PARAM Pi = 3.14159; \n"
+      "MOV R0, {1., -2., +3., 4.}; \n"
+      "MOV R0, 5.; \n"
+      "MOV R0, -5.; \n"
+      "MOV R0, 5.; \n"
+      "MOV R0, Pi; \n"
+      "MOV result.color, R0; \n"
+      "END \n"
+      ;
+
+   /* change the fragment color in a simple way */
+   static const char *prog10 =
+      "!!ARBfp1.0\n"
+      "PARAM blue = {0., 0., 1., 0.};\n"
+      "PARAM color = {1., 0., 0., 1.};\n"
+      "TEMP R0; \n"
+      "MOV R0, fragment.color; \n"
+      "#ADD result.color, R0, fragment.color; \n"
+      "#ADD result.color, blue, fragment.color; \n"
+      "#ADD result.color, {1., 0., 0., 0.}, fragment.color; \n"
+      "ADD result.color, color, fragment.color; \n"
+      "END \n"
+      ;
+
+   GLuint progs[20];
+
+   glGenProgramsARB(20, progs);
+   assert(progs[0]);
+   assert(progs[1]);
+   assert(progs[0] != progs[1]);
+
+
+   printf("program 0:\n");
+	load_program(prog0, progs[0]);
+   printf("program 1:\n");
+	load_program(prog1, progs[1]);
+   printf("program 2:\n");
+	load_program(prog2, progs[2]);
+   printf("program 3:\n");
+	load_program(prog3, progs[3]);
+	printf("program 4:\n");
+	load_program(prog4, progs[4]);
+	printf("program 10:\n");
+	load_program(prog10, progs[5]);
+
+
+   glEnable(GL_FRAGMENT_PROGRAM_ARB);
+   glEnable(GL_ALPHA_TEST);
+   glAlphaFunc(GL_ALWAYS, 0.0);
+}
+
+
+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;
+}
diff --git a/progs/tests/arbfptexture.c b/progs/tests/arbfptexture.c
new file mode 100644
index 0000000..cee8bfa
--- /dev/null
+++ b/progs/tests/arbfptexture.c
@@ -0,0 +1,152 @@
+/* GL_ARB_fragment_program texture test */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+#include "readtex.c"
+
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1.0, 0.0, 0.0);
+   glRotatef(Yrot, 0.0, 1.0, 0.0);
+   glRotatef(Zrot, 0.0, 0.0, 1.0);
+
+   glBegin(GL_POLYGON);
+   glColor4f(1.0, 1.0, 1.0, 1);   glTexCoord2f(0, 0);   glVertex2f(-1, -1);
+   glColor4f(0.2, 0.2, 1.0, 1);   glTexCoord2f(1, 0);   glVertex2f( 1, -1);
+   glColor4f(0.2, 1.0, 0.2, 1);   glTexCoord2f(1, 1);   glVertex2f( 1,  1);
+   glColor4f(1.0, 0.2, 0.2, 1);   glTexCoord2f(0, 1);   glVertex2f(-1,  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, -8.0 );
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   static const char *modulate2D =
+      "!!ARBfp1.0\n"
+      "TEMP R0;\n"
+      "TEX R0, fragment.texcoord[0], texture[0], 2D; \n"
+      "MUL result.color, R0, fragment.color; \n"
+      "END"
+      ;
+   GLuint modulateProg;
+   GLuint Texture;
+
+   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
+      printf("Error: GL_ARB_fragment_program not supported!\n");
+      exit(1);
+   }
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   /* Setup the fragment program */
+   glGenProgramsARB(1, &modulateProg);
+   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
+   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(modulate2D), (const GLubyte *)modulate2D);
+
+   printf("glGetError = 0x%x\n", (int) glGetError());
+   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
+          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   assert(glIsProgramARB(modulateProg));
+
+   glEnable(GL_FRAGMENT_PROGRAM_ARB);
+
+   /* Load texture */
+   glGenTextures(1, &Texture);
+   glBindTexture(GL_TEXTURE_2D, Texture);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image file %s\n", TEXTURE_FILE);
+      exit(1);
+   }
+   /* XXX this enable shouldn't really be needed!!! */
+   glEnable(GL_TEXTURE_2D);
+
+   glClearColor(.3, .3, .3, 0);
+}
+
+
+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 );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}