On 7/28/05, Jon Smirl <[EMAIL PROTECTED]> wrote: > On 7/28/05, Geert Uytterhoeven <[EMAIL PROTECTED]> wrote: > > On Thu, 28 Jul 2005, Jon Smirl wrote: > > > I can't see a way to query how long of cmap the device supports using > > > the current fbdev ioctls. > > > > Look at the lengths of the color bitfields? > > Which color bitfields? Does hardware that supports 10bit cmap also > support a 10:10:10 framebuffer? If you can't do 10:10:10 how do the > 10bit cmaps work? Does alpha matter in a 10:10:10 scanout buffer?
>From the OpenGL headers I can see the answer to my questions... #define GL_RGB10 0x8052 #define GL_RGB10_A2 0x8059 OpenGL supports all of these: #define GL_RGB10 0x8052 #define GL_RGB12 0x8053 #define GL_RGB16 0x8054 #define GL_RGB10_A2 0x8059 #define GL_RGBA12 0x805A #define GL_RGBA16 0x805B Are there 12 and 16 bit cmaps too? -- Jon Smirl [EMAIL PROTECTED] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
