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Diffstat (limited to 'progs/tests/interleave.c')
-rw-r--r-- | progs/tests/interleave.c | 406 |
1 files changed, 0 insertions, 406 deletions
diff --git a/progs/tests/interleave.c b/progs/tests/interleave.c deleted file mode 100644 index e98b3ed046..0000000000 --- a/progs/tests/interleave.c +++ /dev/null @@ -1,406 +0,0 @@ -/* - * (C) Copyright IBM Corporation 2005 - * 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 - * VA LINUX SYSTEM, 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 interleave.c - * - * Simple test of glInterleavedArrays functionality. For each mode, two - * meshes are drawn. One is drawn using interleaved arrays and the othe is - * drawn using immediate mode. Both should look identical. - * - * \author Ian Romanick <idr@us.ibm.com> - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <GL/glut.h> - -static int Width = 400; -static int Height = 300; -static const GLfloat Near = 5.0, Far = 25.0; - -static const GLfloat t[][4] = { - { 0.5, 0.0, 0.0, 1.0 }, - - { 0.25, 0.5, 0.0, 1.0 }, - { 0.75, 0.5, 0.0, 1.0 }, - - { 0.0, 1.0, 0.0, 1.0 }, - { 0.5, 1.0, 0.0, 1.0 }, - { 1.0, 1.0, 0.0, 1.0 }, -}; - -static const GLfloat c_f[][4] = { - { 1.0, 0.0, 0.0, 1.0 }, - - { 0.0, 1.0, 0.0, 1.0 }, - { 0.0, 1.0, 0.0, 1.0 }, - - { 0.0, 0.0, 1.0, 1.0 }, - { 1.0, 0.0, 1.0, 1.0 }, - { 0.0, 0.0, 1.0, 1.0 }, -}; - -static const GLubyte c_ub[][4] = { - { 0xff, 0x00, 0x00, 0xff }, - - { 0x00, 0xff, 0x00, 0xff }, - { 0x00, 0xff, 0x00, 0xff }, - - { 0x00, 0x00, 0xff, 0xff }, - { 0xff, 0x00, 0xff, 0xff }, - { 0x00, 0x00, 0xff, 0xff }, -}; - -static const GLfloat n[][3] = { - { 0.0, 0.0, -1.0 }, - - { 0.0, 0.0, -1.0 }, - { 0.0, 0.0, -1.0 }, - - { 0.0, 0.0, -1.0 }, - { 0.0, 0.0, -1.0 }, - { 0.0, 0.0, -1.0 }, -}; - -static const GLfloat v[][4] = { - { 0.0, 1.0, 0.0, 1.0, }, - - { -0.5, 0.0, 0.0, 1.0, }, - { 0.5, 0.0, 0.0, 1.0, }, - - { -1.0, -1.0, 0.0, 1.0, }, - { 0.0, -1.0, 0.0, 1.0, }, - { 1.0, -1.0, 0.0, 1.0, }, -}; - -static const unsigned indicies[12] = { - 0, 1, 2, - 1, 3, 4, - 2, 4, 5, - 1, 4, 2 -}; - -#define NONE { NULL, 0, 0, 0 } -#define V2F { v, 2, 2 * sizeof( GLfloat ), GL_FLOAT, sizeof( v[0] ) } -#define V3F { v, 3, 3 * sizeof( GLfloat ), GL_FLOAT, sizeof( v[0] ) } -#define V4F { v, 4, 4 * sizeof( GLfloat ), GL_FLOAT, sizeof( v[0] ) } - -#define C4UB { c_ub, 4, 4 * sizeof( GLubyte ), GL_UNSIGNED_BYTE, sizeof( c_ub[0] ) } -#define C3F { c_f, 3, 3 * sizeof( GLfloat ), GL_FLOAT, sizeof( c_f[0] ) } -#define C4F { c_f, 4, 4 * sizeof( GLfloat ), GL_FLOAT, sizeof( c_f[0] ) } - -#define T2F { t, 2, 2 * sizeof( GLfloat ), GL_FLOAT, sizeof( t[0] ) } -#define T4F { t, 4, 4 * sizeof( GLfloat ), GL_FLOAT, sizeof( t[0] ) } - -#define N3F { n, 3, 3 * sizeof( GLfloat ), GL_FLOAT, sizeof( n[0] ) } - -struct interleave_info { - const void * data; - unsigned count; - unsigned size; - GLenum type; - unsigned stride; -}; - -#define NUM_MODES 14 -#define INVALID_MODE 14 -#define INVALID_STRIDE 15 - -struct interleave_info info[ NUM_MODES ][4] = { - { NONE, NONE, NONE, V2F }, - { NONE, NONE, NONE, V3F }, - { NONE, C4UB, NONE, V2F }, - { NONE, C4UB, NONE, V3F }, - { NONE, C3F, NONE, V3F }, - - { NONE, NONE, N3F, V3F }, - { NONE, C4F, N3F, V3F }, - - { T2F, NONE, NONE, V3F }, - { T4F, NONE, NONE, V4F }, - - { T2F, C4UB, NONE, V3F }, - { T2F, C3F, NONE, V3F }, - { T2F, NONE, N3F, V3F }, - { T2F, C4F, N3F, V3F }, - { T4F, C4F, N3F, V4F }, -}; - -const char * const mode_names[ NUM_MODES ] = { - "GL_V2F", - "GL_V3F", - "GL_C4UB_V2F", - "GL_C4UB_V3F", - "GL_C3F_V3F", - "GL_N3F_V3F", - "GL_C4F_N3F_V3F", - "GL_T2F_V3F", - "GL_T4F_V4F", - "GL_T2F_C4UB_V3F", - "GL_T2F_C3F_V3F", - "GL_T2F_N3F_V3F", - "GL_T2F_C4F_N3F_V3F", - "GL_T4F_C4F_N3F_V4F", -}; - -static unsigned interleave_mode = 0; -static GLboolean use_invalid_mode = GL_FALSE; -static GLboolean use_invalid_stride = GL_FALSE; - -#define DEREF(item,idx) (void *) & ((char *)curr_info[item].data)[idx * curr_info[item].stride] - -static void Display( void ) -{ - const struct interleave_info * const curr_info = info[ interleave_mode ]; - - /* 4 floats for 12 verticies for 4 data elements. - */ - char data[ (sizeof( GLfloat ) * 4) * 12 * 4 ]; - - unsigned i; - unsigned offset; - GLenum err; - GLenum format; - GLsizei stride; - - - glClearColor(0.2, 0.2, 0.8, 0); - glClear( GL_COLOR_BUFFER_BIT ); - - glPushMatrix(); - - glTranslatef(-1.5, 0, 0); - - glColor3fv( c_f[0] ); - - if ( curr_info[0].data != NULL ) { - glEnable( GL_TEXTURE_2D ); - } - else { - glDisable( GL_TEXTURE_2D ); - } - - - offset = 0; - glBegin(GL_TRIANGLES); - for ( i = 0 ; i < 12 ; i++ ) { - const unsigned index = indicies[i]; - - - /* Handle the vertex texture coordinate. - */ - if ( curr_info[0].data != NULL ) { - if ( curr_info[0].count == 2 ) { - glTexCoord2fv( DEREF(0, index) ); - } - else { - glTexCoord4fv( DEREF(0, index) ); - } - - (void) memcpy( & data[ offset ], DEREF(0, index), - curr_info[0].size ); - offset += curr_info[0].size; - } - - - /* Handle the vertex color. - */ - if ( curr_info[1].data != NULL ) { - if ( curr_info[1].type == GL_FLOAT ) { - if ( curr_info[1].count == 3 ) { - glColor3fv( DEREF(1, index) ); - } - else { - glColor4fv( DEREF(1, index) ); - } - } - else { - glColor4ubv( DEREF(1, index) ); - } - - (void) memcpy( & data[ offset ], DEREF(1, index), - curr_info[1].size ); - offset += curr_info[1].size; - } - - - /* Handle the vertex normal. - */ - if ( curr_info[2].data != NULL ) { - glNormal3fv( DEREF(2, index) ); - - (void) memcpy( & data[ offset ], DEREF(2, index), - curr_info[2].size ); - offset += curr_info[2].size; - } - - - switch( curr_info[3].count ) { - case 2: - glVertex2fv( DEREF(3, index) ); - break; - case 3: - glVertex3fv( DEREF(3, index) ); - break; - case 4: - glVertex4fv( DEREF(3, index) ); - break; - } - - (void) memcpy( & data[ offset ], DEREF(3, index), - curr_info[3].size ); - offset += curr_info[3].size; - } - glEnd(); - - - glTranslatef(3.0, 0, 0); - - /* The masking with ~0x2A00 is a bit of a hack to make sure that format - * ends up with an invalid value no matter what rand() returns. - */ - format = (use_invalid_mode) - ? (rand() & ~0x2A00) : GL_V2F + interleave_mode; - stride = (use_invalid_stride) ? -abs(rand()) : 0; - - (void) glGetError(); - glInterleavedArrays( format, stride, data ); - err = glGetError(); - if ( err ) { - printf("glInterleavedArrays(0x%04x, %d, %p) generated the error 0x%04x\n", - format, stride, data, err ); - } - else { - glDrawArrays( GL_TRIANGLES, 0, 12 ); - } - - glPopMatrix(); - - glutSwapBuffers(); -} - - -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 ); - 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 ModeMenu( int entry ) -{ - if ( entry == INVALID_MODE ) { - use_invalid_mode = GL_TRUE; - use_invalid_stride = GL_FALSE; - } - else if ( entry == INVALID_STRIDE ) { - use_invalid_mode = GL_FALSE; - use_invalid_stride = GL_TRUE; - } - else { - use_invalid_mode = GL_FALSE; - use_invalid_stride = GL_FALSE; - interleave_mode = entry; - } -} - -static void Init( void ) -{ - const char * const ver_string = (const char * const) - glGetString( GL_VERSION ); - const GLubyte tex[16] = { - 0xff, 0x00, 0xff, 0x00, - 0x00, 0xff, 0x00, 0xff, - 0xff, 0x00, 0xff, 0x00, - 0x00, 0xff, 0x00, 0xff, - }; - - printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); - printf("GL_VERSION = %s\n", ver_string); - - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST ); - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST ); - glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE ); - glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0, - GL_LUMINANCE, GL_UNSIGNED_BYTE, tex ); - - printf("Use the context menu (right click) to select the interleaved array mode.\n"); - printf("Press ESCAPE to exit.\n\n"); - printf("NOTE: This is *NOT* a very good test of the modes that use normals.\n"); -} - - -int main( int argc, char *argv[] ) -{ - unsigned i; - - srand( time( NULL ) ); - - glutInit( &argc, argv ); - glutInitWindowPosition( 0, 0 ); - glutInitWindowSize( Width, Height ); - glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE ); - glutCreateWindow( "glInterleavedArrays test" ); - glutReshapeFunc( Reshape ); - glutKeyboardFunc( Key ); - glutDisplayFunc( Display ); - - glutCreateMenu( ModeMenu ); - for ( i = 0 ; i < NUM_MODES ; i++ ) { - glutAddMenuEntry( mode_names[i], i); - } - - glutAddMenuEntry( "Random invalid mode", INVALID_MODE); - glutAddMenuEntry( "Random invalid stride", INVALID_STRIDE); - - glutAttachMenu(GLUT_RIGHT_BUTTON); - - Init(); - glutMainLoop(); - return 0; -} |