Neither DX9 or DX10 expose equivalent to GL_RGB16F_ARB: - http://msdn.microsoft.com/en-us/library/bb172558.aspx (D3D9) - http://msdn.microsoft.com/en-us/library/bb173059.aspx (D3D10)
So probably no hardware ever will support them. Even for software rendering it is a very nasty format to support, because it is not 32bits aligned (48bits). Unfortunately it doesn't look like we can simply not support GL_RGB16F_ARB though. ----- Original Message ----- > The i965 driver can't do RGB float16 at all. > --- > src/mesa/main/texformat.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c > index aebe38e..ea42ced 100644 > --- a/src/mesa/main/texformat.c > +++ b/src/mesa/main/texformat.c > @@ -357,6 +357,7 @@ _mesa_choose_tex_format( struct gl_context *ctx, > GLint internalFormat, > case GL_RGB16F_ARB: > RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16); > RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32); > + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); RGB_FLOAT32 is 96bits where as RGBA_FLOAT16 is 64bits, so I think that RGBA_FLOAT16 should be tried before RGB_FLOAT32, as it is better from all POVs > RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); > break; > case GL_RGB32F_ARB: Jose _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
