/* * (C) Copyright IBM Corporation 2006 * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ /** * \file prog_parameter.c * * Test various aspects of setting (and getting) low-level program parameters. * This is primarilly intended as a test for GL_EXT_gpu_program_parameters, * but it turns out that it hits some other functionality along the way. * * \author Ian Romanick <idr@us.ibm.com> */ #include <stdio.h> #include <stdlib.h> #include <math.h> #include <GL/glut.h> #ifndef GL_EXT_gpu_program_parameters typedef void (APIENTRYP PFNGLPROGRAMLOCALPARAMETERS4FVEXTPROC)(GLenum, GLuint, GLsizei, const GLfloat *); typedef void (APIENTRYP PFNGLPROGRAMENVPARAMETERS4FVEXTPROC)(GLenum, GLuint, GLsizei, const GLfloat *); #endif static PFNGLPROGRAMLOCALPARAMETER4FVARBPROC program_local_parameter4fv = NULL; static PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC get_program_local_parameterfv = NULL; static PFNGLPROGRAMENVPARAMETER4FVARBPROC program_env_parameter4fv = NULL; static PFNGLGETPROGRAMENVPARAMETERFVARBPROC get_program_env_parameterfv = NULL; static PFNGLBINDPROGRAMARBPROC bind_program = NULL; static PFNGLGETPROGRAMIVARBPROC get_program = NULL; static PFNGLPROGRAMLOCALPARAMETERS4FVEXTPROC program_local_parameters4fv = NULL; static PFNGLPROGRAMENVPARAMETERS4FVEXTPROC program_env_parameters4fv = NULL; static int Width = 400; static int Height = 200; static const GLfloat Near = 5.0, Far = 25.0; static void Display( void ) { } static void Idle( void ) { } static void Visible( int vis ) { if ( vis == GLUT_VISIBLE ) { glutIdleFunc( Idle ); } else { glutIdleFunc( NULL ); } } static void Reshape( int width, int height ) { GLfloat ar = (float) width / (float) height; Width = width; Height = height; glViewport( 0, 0, width, height ); glMatrixMode( GL_PROJECTION ); glLoadIdentity(); glFrustum( -ar, ar, -1.0, 1.0, Near, Far ); } static void Key( unsigned char key, int x, int y ) { (void) x; (void) y; switch (key) { case 27: exit(0); break; } glutPostRedisplay(); } static int set_parameter_batch( GLsizei count, GLfloat * param, const char * name, PFNGLPROGRAMLOCALPARAMETER4FVARBPROC set_parameter, PFNGLPROGRAMLOCALPARAMETERS4FVEXTPROC set_parameters, PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC get_parameter ) { unsigned i; int pass = 1; for ( i = 0 ; i < (4 * count) ; i++ ) { param[i] = (GLfloat) random() / (GLfloat) random(); } /* Try using the "classic" interface. */ printf("Testing glProgram%sParameter4fvARB (count = %u)...\n", name, count); for ( i = 0 ; i < count ; i++ ) { (*set_parameter)(GL_VERTEX_PROGRAM_ARB, i, & param[i * 4]); } for ( i = 0 ; i < count ; i++ ) { GLfloat temp[4]; (*get_parameter)(GL_VERTEX_PROGRAM_ARB, i, temp); if ( (temp[0] != param[(i * 4) + 0]) || (temp[1] != param[(i * 4) + 1]) || (temp[2] != param[(i * 4) + 2]) || (temp[3] != param[(i * 4) + 3]) ) { printf("Mismatch in glProgram%sParameter4fvARB index %u!\n", name, i); printf("Got { %f, %f, %f, %f }, expected { %f, %f, %f, %f }!\n", temp[0], temp[1], temp[2], temp[3], param[(i * 4) + 0], param[(i * 4) + 1], param[(i * 4) + 2], param[(i * 4) + 3]); pass = 0; break; } } if ( set_parameters == NULL ) { return pass; } for ( i = 0 ; i < (4 * count) ; i++ ) { param[i] = (GLfloat) random() / (GLfloat) random(); } printf("Testing glProgram%sParameters4fvEXT (count = %u)...\n", name, count); (*set_parameters)(GL_VERTEX_PROGRAM_ARB, 0, count, param); for ( i = 0 ; i < count ; i++ ) { GLfloat temp[4]; (*get_parameter)(GL_VERTEX_PROGRAM_ARB, i, temp); if ( (temp[0] != param[(i * 4) + 0]) || (temp[1] != param[(i * 4) + 1]) || (temp[2] != param[(i * 4) + 2]) || (temp[3] != param[(i * 4) + 3]) ) { printf("Mismatch in glProgram%sParameters4fvEXT index %u!\n", name, i); printf("Got { %f, %f, %f, %f }, expected { %f, %f, %f, %f }!\n", temp[0], temp[1], temp[2], temp[3], param[(i * 4) + 0], param[(i * 4) + 1], param[(i * 4) + 2], param[(i * 4) + 3]); pass = 0; break; } } return pass; } static void Init( void ) { const char * const ver_string = (const char * const) glGetString( GL_VERSION ); int pass = 1; GLfloat * params; GLint max_program_env_parameters; GLint max_program_local_parameters; printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); printf("GL_VERSION = %s\n\n", ver_string); if ( !glutExtensionSupported("GL_ARB_vertex_program") ) { printf("Sorry, this program requires GL_ARB_vertex_program\n"); exit(2); } program_local_parameter4fv = glutGetProcAddress( "glProgramLocalParameter4fvARB" ); program_env_parameter4fv = glutGetProcAddress( "glProgramEnvParameter4fvARB" ); get_program_local_parameterfv = glutGetProcAddress( "glGetProgramLocalParameterfvARB" ); get_program_env_parameterfv = glutGetProcAddress( "glGetProgramEnvParameterfvARB" ); bind_program = glutGetProcAddress( "glBindProgramARB" ); get_program = glutGetProcAddress( "glGetProgramivARB" ); if ( glutExtensionSupported("GL_EXT_gpu_program_parameters") ) { printf("GL_EXT_gpu_program_parameters available, testing that path.\n"); program_local_parameters4fv = glutGetProcAddress( "glProgramLocalParameters4fvEXT" ); program_env_parameters4fv = glutGetProcAddress( "glProgramEnvParameters4fvEXT" ); } else { printf("GL_EXT_gpu_program_parameters not available.\n"); program_local_parameters4fv = NULL; program_env_parameters4fv = NULL; } /* Since the test sets program local parameters, a program must be bound. * Program source, however, is not needed. */ (*bind_program)(GL_VERTEX_PROGRAM_ARB, 1); (*get_program)(GL_VERTEX_PROGRAM_ARB, GL_MAX_PROGRAM_ENV_PARAMETERS_ARB, & max_program_env_parameters); params = malloc(max_program_env_parameters * 4 * sizeof(GLfloat)); pass &= set_parameter_batch(max_program_env_parameters, params, "Env", program_env_parameter4fv, program_env_parameters4fv, get_program_env_parameterfv); (*get_program)(GL_VERTEX_PROGRAM_ARB, GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB, & max_program_local_parameters); if (max_program_local_parameters > max_program_env_parameters) { params = realloc(params, max_program_local_parameters * 4 * sizeof(GLfloat)); } pass &= set_parameter_batch(max_program_local_parameters, params, "Local", program_local_parameter4fv, program_local_parameters4fv, get_program_local_parameterfv); free(params); if (! pass) { printf("FAIL!\n"); exit(1); } printf("PASS!\n"); } int main( int argc, char *argv[] ) { glutInit( &argc, argv ); glutInitWindowPosition( 0, 0 ); glutInitWindowSize( Width, Height ); glutInitDisplayMode( GLUT_RGB ); glutCreateWindow( "Program Parameters Test" ); glutReshapeFunc( Reshape ); glutKeyboardFunc( Key ); glutDisplayFunc( Display ); glutVisibilityFunc( Visible ); Init(); return 0; }