* Writes to the driver's file while in component colour modes\r
* must correspond to a change of the contents of the screen. The framebuffer\r
* must start at offset 0 in the file.\r
- * In pallete colour modes the LFB is preceded by a 1024 byte pallete (allowing\r
- * room for 256 entries of 32-bits each)\r
* Reading from the screen must either return zero, or read from the\r
* framebuffer.\r
* \r
*/\r
VIDEO_IOCTL_REQLFB\r
};\r
+#define DRV_VIDEO_IOCTLNAMES "getset_mode", "find+mode", "mode_info", "set_buf_format", "set_cursor", "request_framebuffer"\r
\r
/**\r
* \brief Mode Structure used in IOCtl Calls\r
*/\r
VIDEO_2DOP_BLIT,\r
\r
+\r
+ /**\r
+ * \brief Copy a region from video memory to the framebuffer\r
+ */\r
+ VIDEO_2DOP_BLITBUF,\r
+\r
+ /**\r
+ * \brief Copy and scale a region from video memory to the framebuffer\r
+ */\r
+ VIDEO_2DOP_BLITSCALEBUF,\r
+\r
NUM_VIDEO_2DOPS\r
};\r
\r
//! \brief Defines the height of a rendered character\r
extern int giVT_CharHeight;\r
/**\r
- * \fn void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Pitch, Uint32 BGC, Uint32 FGC)\r
* \brief Driver helper that renders a character to a buffer\r
* \param Codepoint Unicode character to render\r
- * \param Buffer Buffer to render to (32-bpp)\r
- * \param Pitch Number of DWords per line\r
+ * \param Buffer Buffer to render to\r
+ * \param Depth Bit depth of the destination buffer\r
+ * \param Pitch Number of bytes per line\r
* \param BGC 32-bit Background Colour\r
* \param FGC 32-bit Foreground Colour\r
* \r
* text mode by keeping the character rendering abstracted from the driver,\r
* easing the driver development and reducing code duplication.\r
*/\r
-extern void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Pitch, Uint32 BGC, Uint32 FGC);\r
+extern void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Depth, int Pitch, Uint32 BGC, Uint32 FGC);\r
/**\r
* \fn Uint32 VT_Colour12to24(Uint16 Col12)\r
- * \brief Converts a colour from 12bpp to 32bpp\r
+ * \brief Converts a colour from 12bpp to 24bpp\r
* \param Col12 12-bpp input colour\r
* \return Expanded 32-bpp (24-bit colour) version of \a Col12\r
*/\r
extern Uint32 VT_Colour12to24(Uint16 Col12);\r
+/**\r
+ * \brief Converts a colour from 12bpp to 14bpp\r
+ * \param Col12 12-bpp input colour\r
+ * \return 15 bits per pixel value\r
+ */\r
+extern Uint16 VT_Colour12to15(Uint16 Col12);\r
+/**\r
+ * \brief Converts a colour from 12bpp to 32bpp\r
+ * \param Col12 12-bpp input colour\r
+ * \param Depth Desired bit depth\r
+ * \return \a Depth bit number, denoting Col12\r
+ * \r
+ * Expands the source colour into a \a Depth bits per pixel representation.\r
+ * The colours are expanded with preference to Green, Blue and Red in that order\r
+ * (so, green gets the first spare pixel, blue gets the next, and red never gets\r
+ * the spare). \n\r
+ * The final bit of each component is used to fill the lower bits of the output.\r
+ */\r
+extern Uint32 VT_Colour12toN(Uint16 Col12, int Depth);\r
\r
/**\r
* \brief Handlers for eTplVideo_2DCommands\r