Moving NV_fragment_program tests to ARB_fragment_program
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79e0dad79e
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@ -9,7 +9,9 @@ LIBDIR = $(TOP)/lib
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LIBS = -L$(LIBDIR) $(APP_LIB_DEPS)
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SOURCES = antialias.c \
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arbvptest1.c \
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arbfptest1.c \
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arbfptexture.c \
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arbvptest1.c \
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arbvptest3.c \
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arbvptorus.c \
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arbvpwarpmesh.c \
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@ -0,0 +1,210 @@
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/* Test GL_ARB_fragment_program */
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#include <assert.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#define GL_GLEXT_PROTOTYPES
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#include <GL/glut.h>
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static void Display( void )
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{
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glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
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glPushMatrix();
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glColor4f(0, 0.5, 0, 1);
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glColor4f(0, 1, 0, 1);
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glBegin(GL_POLYGON);
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glVertex2f(-1, -1);
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glVertex2f( 1, -1);
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glVertex2f( 0, 1);
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glEnd();
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glPopMatrix();
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glutSwapBuffers();
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}
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static void Reshape( int width, int height )
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{
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glViewport( 0, 0, width, height );
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glMatrixMode( GL_PROJECTION );
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glLoadIdentity();
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glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
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glMatrixMode( GL_MODELVIEW );
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glLoadIdentity();
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glTranslatef( 0.0, 0.0, -15.0 );
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}
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static void Key( unsigned char key, int x, int y )
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{
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(void) x;
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(void) y;
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switch (key) {
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case 27:
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exit(0);
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break;
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}
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glutPostRedisplay();
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}
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static void load_program(const char *prog, GLuint prognum)
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{
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int a;
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GLint errorpos, errno;
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glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, prognum);
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glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
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strlen(prog), (const GLubyte *) prog);
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assert(glIsProgramARB(prognum));
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errno = glGetError();
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printf("glGetError = %d\n", errno);
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if (errno != GL_NO_ERROR)
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{
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glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
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printf("errorpos: %d\n", errorpos);
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printf("%s\n", glGetString(GL_PROGRAM_ERROR_STRING_ARB));
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for (a=-10; a<10; a++)
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{
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if ((errorpos+a < 0) || (errorpos+a >= strlen(prog))) continue;
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printf("%c", prog[errorpos+a]);
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}
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printf("\n");
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exit(1);
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}
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}
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static void Init( void )
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{
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static const char *prog0 =
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"!!ARBfp1.0\n"
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"TEMP R0, RC, HC, H0, H1, H2, H3, H30 ;\n"
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"MUL result.color, R0, fragment.position; \n"
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"ADD result.color, H3, fragment.texcoord; \n"
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"ADD_SAT result.color, H3, fragment.texcoord; \n"
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"MUL result.color.xy, R0.wzyx, fragment.position; \n"
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"MUL result.color, H0, fragment.position; \n"
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"MUL result.color, -H0, fragment.position; \n"
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"MOV RC, H1; \n"
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"MOV HC, H2; \n"
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"END \n"
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;
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/* masked updates, defines, declarations */
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static const char *prog1 =
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"!!ARBfp1.0\n"
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"PARAM foo = {1., 2., 3., 4.}; \n"
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"PARAM foo2 = 5.; \n"
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"PARAM foo3 = {5., 6., 7., 8.}; \n"
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"PARAM bar = 3.; \n"
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"TEMP R0, R1, RC, EQ, NE, bar2; \n"
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"ALIAS bar3 = bar; \n"
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"MOV result.color.xy, R0; \n"
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"MOV result.color, R0; \n"
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"MOV result.color.xyzw, R0; \n"
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"MOV result.color.xy, R0; \n"
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"MOV RC.x, R1.x; \n"
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"KIL NE; \n"
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"KIL EQ.xyxy; \n"
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"END \n"
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;
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/* texture instructions */
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static const char *prog2 =
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"!!ARBfp1.0\n"
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"TEMP R0, R1, R2, R3;\n"
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"TEX R0, fragment.texcoord, texture[1], 2D; \n"
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"TEX R1, fragment.texcoord[1], texture[1], CUBE; \n"
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"TEX R2, fragment.texcoord[2], texture[2], 3D; \n"
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"TXP R3, fragment.texcoord[3], texture[3], RECT; \n"
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"MUL result.color, R0, fragment.color; \n"
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"END \n"
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;
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/* test negation, absolute value */
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static const char *prog3 =
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"!!ARBfp1.0\n"
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"TEMP R0, R1;\n"
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"MOV R0, R1; \n"
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"MOV R0, -R1; \n"
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"MOV result.color, R0; \n"
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"END \n"
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;
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/* literal constant sources */
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static const char *prog4 =
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"!!ARBfp1.0\n"
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"TEMP R0, R1;\n"
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"PARAM Pi = 3.14159; \n"
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"MOV R0, {1., -2., +3., 4.}; \n"
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"MOV R0, 5.; \n"
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"MOV R0, -5.; \n"
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"MOV R0, 5.; \n"
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"MOV R0, Pi; \n"
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"MOV result.color, R0; \n"
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"END \n"
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;
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/* change the fragment color in a simple way */
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static const char *prog10 =
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"!!ARBfp1.0\n"
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"PARAM blue = {0., 0., 1., 0.};\n"
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"PARAM color = {1., 0., 0., 1.};\n"
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"TEMP R0; \n"
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"MOV R0, fragment.color; \n"
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"#ADD result.color, R0, fragment.color; \n"
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"#ADD result.color, blue, fragment.color; \n"
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"#ADD result.color, {1., 0., 0., 0.}, fragment.color; \n"
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"ADD result.color, color, fragment.color; \n"
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"END \n"
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;
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GLuint progs[20];
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glGenProgramsARB(20, progs);
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assert(progs[0]);
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assert(progs[1]);
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assert(progs[0] != progs[1]);
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printf("program 0:\n");
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load_program(prog0, progs[0]);
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printf("program 1:\n");
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load_program(prog1, progs[1]);
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printf("program 2:\n");
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load_program(prog2, progs[2]);
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printf("program 3:\n");
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load_program(prog3, progs[3]);
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printf("program 4:\n");
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load_program(prog4, progs[4]);
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printf("program 10:\n");
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load_program(prog10, progs[5]);
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glEnable(GL_FRAGMENT_PROGRAM_ARB);
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glEnable(GL_ALPHA_TEST);
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glAlphaFunc(GL_ALWAYS, 0.0);
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}
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int main( int argc, char *argv[] )
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{
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glutInit( &argc, argv );
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glutInitWindowPosition( 0, 0 );
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glutInitWindowSize( 250, 250 );
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glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
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glutCreateWindow(argv[0]);
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glutReshapeFunc( Reshape );
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glutKeyboardFunc( Key );
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glutDisplayFunc( Display );
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Init();
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glutMainLoop();
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return 0;
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}
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@ -0,0 +1,152 @@
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/* GL_ARB_fragment_program texture test */
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#include <assert.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#define GL_GLEXT_PROTOTYPES
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#include <GL/glut.h>
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#include "readtex.c"
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#define TEXTURE_FILE "../images/girl.rgb"
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static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
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static void Display( void )
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{
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glClear( GL_COLOR_BUFFER_BIT );
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glPushMatrix();
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glRotatef(Xrot, 1.0, 0.0, 0.0);
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glRotatef(Yrot, 0.0, 1.0, 0.0);
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glRotatef(Zrot, 0.0, 0.0, 1.0);
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glBegin(GL_POLYGON);
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glColor4f(1.0, 1.0, 1.0, 1); glTexCoord2f(0, 0); glVertex2f(-1, -1);
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glColor4f(0.2, 0.2, 1.0, 1); glTexCoord2f(1, 0); glVertex2f( 1, -1);
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glColor4f(0.2, 1.0, 0.2, 1); glTexCoord2f(1, 1); glVertex2f( 1, 1);
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glColor4f(1.0, 0.2, 0.2, 1); glTexCoord2f(0, 1); glVertex2f(-1, 1);
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glEnd();
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glPopMatrix();
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glutSwapBuffers();
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}
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static void Reshape( int width, int height )
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{
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glViewport( 0, 0, width, height );
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glMatrixMode( GL_PROJECTION );
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glLoadIdentity();
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glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
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glMatrixMode( GL_MODELVIEW );
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glLoadIdentity();
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glTranslatef( 0.0, 0.0, -8.0 );
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}
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static void SpecialKey( int key, int x, int y )
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{
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float step = 3.0;
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(void) x;
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(void) y;
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switch (key) {
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case GLUT_KEY_UP:
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Xrot += step;
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break;
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case GLUT_KEY_DOWN:
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Xrot -= step;
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break;
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case GLUT_KEY_LEFT:
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Yrot += step;
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break;
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case GLUT_KEY_RIGHT:
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Yrot -= step;
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break;
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}
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glutPostRedisplay();
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}
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static void Key( unsigned char key, int x, int y )
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{
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(void) x;
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(void) y;
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switch (key) {
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case 27:
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exit(0);
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break;
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}
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glutPostRedisplay();
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}
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static void Init( void )
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{
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static const char *modulate2D =
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"!!ARBfp1.0\n"
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"TEMP R0;\n"
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"TEX R0, fragment.texcoord[0], texture[0], 2D; \n"
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"MUL result.color, R0, fragment.color; \n"
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"END"
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;
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GLuint modulateProg;
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GLuint Texture;
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if (!glutExtensionSupported("GL_ARB_fragment_program")) {
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printf("Error: GL_ARB_fragment_program not supported!\n");
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exit(1);
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}
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printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
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/* Setup the fragment program */
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glGenProgramsARB(1, &modulateProg);
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glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
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glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
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strlen(modulate2D), (const GLubyte *)modulate2D);
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printf("glGetError = 0x%x\n", (int) glGetError());
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printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
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(char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
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assert(glIsProgramARB(modulateProg));
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glEnable(GL_FRAGMENT_PROGRAM_ARB);
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/* Load texture */
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glGenTextures(1, &Texture);
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glBindTexture(GL_TEXTURE_2D, Texture);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
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printf("Error: couldn't load texture image file %s\n", TEXTURE_FILE);
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exit(1);
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}
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/* XXX this enable shouldn't really be needed!!! */
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glEnable(GL_TEXTURE_2D);
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glClearColor(.3, .3, .3, 0);
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}
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int main( int argc, char *argv[] )
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{
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glutInit( &argc, argv );
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glutInitWindowPosition( 0, 0 );
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glutInitWindowSize( 250, 250 );
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glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
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glutCreateWindow(argv[0]);
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glutReshapeFunc( Reshape );
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glutKeyboardFunc( Key );
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glutSpecialFunc( SpecialKey );
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glutDisplayFunc( Display );
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Init();
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glutMainLoop();
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return 0;
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}
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