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For 9-15 bit material, cutting off the lower bits leads to significant quality reduction, because these formats leave the most significant bits unused (e.g. 10 bit padded to 16 bit, transferred as 8 bit -> only 2 bits left). 16 bit formats still can be played like this, as cutting the lower bits merely reduces quality in this case. This problem was encountered with the following GPU/driver combination: OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa DRI Intel(R) 915GM x86/MMX/SSE2 OpenGL version string: 1.4 Mesa 9.0.1 It appears 16 bit support is rather common on GPUs, so testing the actual texture depth wasn't needed until now. (There are some other Mesa GPU/driver combinations which support 16 bit only when using RG textures instead of LUMINANCE_ALPHA. This is due to OpenGL driver bugs.) |
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.. | ||
aspect.c | ||
aspect.h | ||
bitmap_packer.c | ||
bitmap_packer.h | ||
cocoa_common.h | ||
cocoa_common.m | ||
d3d_shader_yuv_2ch.h | ||
d3d_shader_yuv.h | ||
d3d_shader_yuv.hlsl | ||
filter_kernels.c | ||
filter_kernels.h | ||
geometry.c | ||
geometry.h | ||
gl_common.c | ||
gl_common.h | ||
gl_header_fixes.h | ||
gl_osd.c | ||
gl_osd.h | ||
osx_common.h | ||
osx_common.m | ||
pnm_loader.c | ||
pnm_loader.h | ||
vo_caca.c | ||
vo_corevideo.h | ||
vo_corevideo.m | ||
vo_direct3d.c | ||
vo_image.c | ||
vo_lavc.c | ||
vo_null.c | ||
vo_opengl_old.c | ||
vo_opengl_shaders.glsl | ||
vo_opengl.c | ||
vo_sdl.c | ||
vo_vdpau.c | ||
vo_x11.c | ||
vo_xv.c | ||
vo.c | ||
vo.h | ||
w32_common.c | ||
w32_common.h | ||
x11_common.c | ||
x11_common.h |