Module: Mesa Branch: master Commit: d13c603e37bf7fb4c84b215775eb547761c1e2ec URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d13c603e37bf7fb4c84b215775eb547761c1e2ec
Author: Michel Dänzer <daen...@vmware.com> Date: Sat Dec 5 17:20:03 2009 +0100 Add 'texture leak' test. --- progs/tests/Makefile | 1 + progs/tests/texleak.c | 140 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 141 insertions(+), 0 deletions(-) diff --git a/progs/tests/Makefile b/progs/tests/Makefile index 197e14d..3e25411 100644 --- a/progs/tests/Makefile +++ b/progs/tests/Makefile @@ -98,6 +98,7 @@ SOURCES = \ texdown \ texfilt.c \ texgenmix.c \ + texleak.c \ texline.c \ texobj.c \ texobjshare.c \ diff --git a/progs/tests/texleak.c b/progs/tests/texleak.c new file mode 100644 index 0000000..5cf4ff3 --- /dev/null +++ b/progs/tests/texleak.c @@ -0,0 +1,140 @@ +/* + * 'Texture leak' test + * + * Allocates and uses an additional texture of the maximum supported size for + * each frame. This tests the system's ability to cope with using increasing + * amounts of texture memory. + * + * Michel Dänzer July 2009 This program is in the public domain. + */ + + +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/time.h> +#include <unistd.h> +#include <GL/glew.h> +#include <GL/glut.h> + + +GLint size; +GLvoid *image; +static GLuint numTexObj; +static GLuint *texObj; + + +static void Idle( void ) +{ + glutPostRedisplay(); +} + + +static void DrawObject(void) +{ + static const GLfloat tex_coords[] = { 0.0, 0.0, 1.0, 1.0, 0.0 }; + static const GLfloat vtx_coords[] = { -1.0, -1.0, 1.0, 1.0, -1.0 }; + GLint i, j; + + glEnable(GL_TEXTURE_2D); + + for (i = 0; i < numTexObj; i++) { + glBindTexture(GL_TEXTURE_2D, texObj[i]); + glBegin(GL_QUADS); + for (j = 0; j < 4; j++ ) { + glTexCoord2f(tex_coords[j], tex_coords[j+1]); + glVertex2f( vtx_coords[j], vtx_coords[j+1] ); + } + glEnd(); + } +} + + +static void Display( void ) +{ + struct timeval start, end; + + texObj = realloc(texObj, ++numTexObj * sizeof(*texObj)); + + /* allocate a texture object */ + glGenTextures(1, texObj + (numTexObj - 1)); + + glBindTexture(GL_TEXTURE_2D, texObj[numTexObj - 1]); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + memset(image, (16 * numTexObj) & 0xff, 4 * size * size); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size, size, 0, + GL_RGBA, GL_UNSIGNED_BYTE, image); + + gettimeofday(&start, NULL); + + glClear( GL_COLOR_BUFFER_BIT ); + + glPushMatrix(); + glScalef(5.0, 5.0, 5.0); + DrawObject(); + glPopMatrix(); + + glutSwapBuffers(); + + glFinish(); + gettimeofday(&end, NULL); + printf("Rendering frame took %lu ms using %u MB of textures\n", + end.tv_sec * 1000 + end.tv_usec / 1000 - start.tv_sec * 1000 - + start.tv_usec / 1000, numTexObj * 4 * size / 1024 * size / 1024); + + sleep(1); +} + + +static void Reshape( int width, int height ) +{ + glViewport( 0, 0, width, height ); + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + glOrtho( -6.0, 6.0, -6.0, 6.0, 10.0, 100.0 ); + glMatrixMode( GL_MODELVIEW ); + glLoadIdentity(); + glTranslatef( 0.0, 0.0, -70.0 ); +} + + +static void Init( int argc, char *argv[] ) +{ + glGetIntegerv(GL_MAX_TEXTURE_SIZE, &size); + printf("%d x %d max texture size\n", size, size); + + image = malloc(4 * size * size); + if (!image) { + fprintf(stderr, "Failed to allocate %u bytes of memory\n", 4 * size * size); + exit(1); + } + + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + + glShadeModel(GL_FLAT); + glClearColor(0.3, 0.3, 0.4, 1.0); + + Idle(); +} + + +int main( int argc, char *argv[] ) +{ + glutInit( &argc, argv ); + glutInitWindowSize( 300, 300 ); + glutInitWindowPosition( 0, 0 ); + glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE ); + glutCreateWindow(argv[0] ); + glewInit(); + + Init( argc, argv ); + + glutReshapeFunc( Reshape ); + glutDisplayFunc( Display ); + glutIdleFunc(Idle); + + glutMainLoop(); + return 0; +} _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit