--- /dev/null
+/*
+ * (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;
+}
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