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Ticket Resolution Summary Owner Reporter
#7669 fixed S3TC reported in OpenGL extensions, but not working wolf42
Description

VirtualBox's OpenGL driver reports that it supports both GL_ARB_texture_compression and GL_EXT_texture_compression_s3tc, but attempt to load compressed texture results in OpenGL error 1282 (invalid operation).

Testcase:

/* gcc dupa.c `sdl-config --libs --cflags` -lGL */
#include <stdio.h>
#include <SDL.h>
#include <GL/gl.h>
#include <GL/glext.h>

int main()
{
        int tex;
        char* buf = malloc( 64 * 64 / 2);
        memset( buf, 0, 64 * 64 / 2);

        SDL_Init( SDL_INIT_VIDEO );
        SDL_SetVideoMode( 64, 64, 24, SDL_OPENGL );

        glGenTextures( 1, &tex );
        glBindTexture( GL_TEXTURE_2D, tex );

        printf( "before: %i\n", glGetError() );
        /* glCompressedTexImage2D <- GL_ARB_texture_compression
         * GL_COMPRESSED_RGB_S3TC_DXT1_EXT <- GL_EXT_texture_compression_s3tc
         */
        glCompressedTexImage2D( GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 64, 64, 0, 64 * 64 / 2, buf );
        printf( "after: %i\n", glGetError() );

        return 0;
}

Results when run using VirtualBox video driver:

before: 0
after: 1282

Results when run with an external X server:

before: 0
after: 0

VirtualBox video driver:

OpenGL vendor string: Humper
OpenGL renderer string: Chromium
OpenGL version string: 2.1 Chromium 1.9
OpenGL shading language version string: 3.30 NVIDIA via Cg compiler

% glxinfo|grep compress
    GL_EXT_texture_compression_s3tc, GL_EXT_draw_range_elements,
    GL_ARB_texture_compression, GL_ARB_texture_cube_map,

External X server (indirect rendering on win32 host):

OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce 9800 GTX/9800 GTX+/PCI/SSE2
OpenGL version string: 1.4 (3.3.0)

% LIBGL_ALWAYS_INDIRECT=1 DISPLAY=192.168.1.2:0 glxinfo | grep compress
    GL_ARB_texture_border_clamp, GL_ARB_texture_compression,
    GL_EXT_texture_compression_s3tc, GL_EXT_texture_edge_clamp,
#7532 obsolete Max Screen Resolution wolf
Description

There is no reference in the User Manual regarding what max screen resolution can be, and no instruction how to get it. The intuitive, or shall I say the standard way, by setting it in the Guest, is not supported by VirtualBox. Rather, it is done unintuitively by setting Machine->Auto resize Guest Display (Host+G). Feedback on whether it has been done or not is then given by hiding a tick mark inside an icon.

It is possible to do so, and technically-minded users should not have a problem with it. Better usability is achieved, for more users, by

  1. spatially separating icon and tick mark
  1. making auto resize the default
  1. doing away with the menu item, having only an automatically resized window
  1. having an entry in the user manual

for full details, see http://forums.virtualbox.org/viewtopic.php?f=7&t=34677

#8867 duplicate Can't control VM boot device between SATA HDD and IDE HDD Ryan
Description

I have a VM setup with SATA HDD and later I added another virtual disk to the IDE interface as the slave to the CD-ROM. Even if the boot sequence was HDD only, VirtualBox searches for operating system on the IDE disk and then fails. Wasn't able to select which hdd to boot from from within VM configuration where we CAN select to boot from HDD or CDROM.

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