X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Finclude%2Ftpl_drv_video.h;h=1be4f2b7a2f9f098be0c46e464b040f999e14f6e;hb=425494c449d668bf4728eef3a45f890432fd9999;hp=f3313f62d0f9a804cb61dc2c132f550b7d401bc8;hpb=827e4de5670d327f0379a80fdf2348c1e38f5434;p=tpg%2Facess2.git diff --git a/Kernel/include/tpl_drv_video.h b/Kernel/include/tpl_drv_video.h index f3313f62..1be4f2b7 100644 --- a/Kernel/include/tpl_drv_video.h +++ b/Kernel/include/tpl_drv_video.h @@ -15,8 +15,6 @@ * Writes to the driver's file while in component colour modes * must correspond to a change of the contents of the screen. The framebuffer * must start at offset 0 in the file. - * In pallete colour modes the LFB is preceded by a 1024 byte pallete (allowing - * room for 256 entries of 32-bits each) * Reading from the screen must either return zero, or read from the * framebuffer. * @@ -104,6 +102,7 @@ enum eTplVideo_IOCtl { */ VIDEO_IOCTL_REQLFB }; +#define DRV_VIDEO_IOCTLNAMES "getset_mode", "find+mode", "mode_info", "set_buf_format", "set_cursor", "request_framebuffer" /** * \brief Mode Structure used in IOCtl Calls @@ -190,6 +189,17 @@ enum eTplVideo_2DCommands */ VIDEO_2DOP_BLIT, + + /** + * \brief Copy a region from video memory to the framebuffer + */ + VIDEO_2DOP_BLITBUF, + + /** + * \brief Copy and scale a region from video memory to the framebuffer + */ + VIDEO_2DOP_BLITSCALEBUF, + NUM_VIDEO_2DOPS }; @@ -234,11 +244,11 @@ extern int giVT_CharWidth; //! \brief Defines the height of a rendered character extern int giVT_CharHeight; /** - * \fn void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Pitch, Uint32 BGC, Uint32 FGC) * \brief Driver helper that renders a character to a buffer * \param Codepoint Unicode character to render - * \param Buffer Buffer to render to (32-bpp) - * \param Pitch Number of DWords per line + * \param Buffer Buffer to render to + * \param Depth Bit depth of the destination buffer + * \param Pitch Number of bytes per line * \param BGC 32-bit Background Colour * \param FGC 32-bit Foreground Colour * @@ -246,14 +256,33 @@ extern int giVT_CharHeight; * text mode by keeping the character rendering abstracted from the driver, * easing the driver development and reducing code duplication. */ -extern void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Pitch, Uint32 BGC, Uint32 FGC); +extern void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Depth, int Pitch, Uint32 BGC, Uint32 FGC); /** * \fn Uint32 VT_Colour12to24(Uint16 Col12) - * \brief Converts a colour from 12bpp to 32bpp + * \brief Converts a colour from 12bpp to 24bpp * \param Col12 12-bpp input colour * \return Expanded 32-bpp (24-bit colour) version of \a Col12 */ extern Uint32 VT_Colour12to24(Uint16 Col12); +/** + * \brief Converts a colour from 12bpp to 14bpp + * \param Col12 12-bpp input colour + * \return 15 bits per pixel value + */ +extern Uint16 VT_Colour12to15(Uint16 Col12); +/** + * \brief Converts a colour from 12bpp to 32bpp + * \param Col12 12-bpp input colour + * \param Depth Desired bit depth + * \return \a Depth bit number, denoting Col12 + * + * Expands the source colour into a \a Depth bits per pixel representation. + * The colours are expanded with preference to Green, Blue and Red in that order + * (so, green gets the first spare pixel, blue gets the next, and red never gets + * the spare). \n + * The final bit of each component is used to fill the lower bits of the output. + */ +extern Uint32 VT_Colour12toN(Uint16 Col12, int Depth); /** * \brief Handlers for eTplVideo_2DCommands