diff options
| -rw-r--r-- | progs/tests/interleave.c | 48 |
1 files changed, 43 insertions, 5 deletions
diff --git a/progs/tests/interleave.c b/progs/tests/interleave.c index 73da4341c2..4797139aa9 100644 --- a/progs/tests/interleave.c +++ b/progs/tests/interleave.c @@ -35,6 +35,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <time.h> #include <GL/glut.h> static int Width = 400; @@ -125,7 +126,9 @@ struct interleave_info { unsigned stride; }; -#define NUM_MODES 14 +#define NUM_MODES 14 +#define INVALID_MODE 14 +#define INVALID_STRIDE 15 struct interleave_info info[ NUM_MODES ][4] = { { NONE, NONE, NONE, V2F }, @@ -164,7 +167,9 @@ const char * const mode_names[ NUM_MODES ] = { "GL_T4F_C4F_N3F_V4F", }; -unsigned interleave_mode = 0; +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] @@ -178,6 +183,9 @@ static void Display( void ) unsigned i; unsigned offset; + GLenum err; + GLenum format; + GLsizei stride; glClearColor(0.2, 0.2, 0.8, 0); @@ -271,8 +279,21 @@ static void Display( void ) glTranslatef(3.0, 0, 0); - glInterleavedArrays( GL_V2F + interleave_mode, 0, data ); - glDrawArrays( GL_TRIANGLES, 0, 12 ); + + format = (use_invalid_mode) + ? (rand() & ~0x2A00) : GL_V2F + interleave_mode; + stride = (use_invalid_stride) ? -abs(rand()) : 0; + + (void) glGetError(); + glInterleavedArrays( format, 0, 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(); @@ -310,7 +331,19 @@ static void Key( unsigned char key, int x, int y ) static void ModeMenu( int entry ) { - interleave_mode = 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 ) @@ -343,6 +376,8 @@ int main( int argc, char *argv[] ) { unsigned i; + srand( time( NULL ) ); + glutInit( &argc, argv ); glutInitWindowPosition( 0, 0 ); glutInitWindowSize( Width, Height ); @@ -357,6 +392,9 @@ int main( int argc, char *argv[] ) glutAddMenuEntry( mode_names[i], i); } + glutAddMenuEntry( "Random invalid mode", INVALID_MODE); + glutAddMenuEntry( "Random invalid stride", INVALID_STRIDE); + glutAttachMenu(GLUT_RIGHT_BUTTON); Init(); |