+++ /dev/null
-/**********************************************************
- * Copyright 2007-2009 VMware, Inc. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy,
- * modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- **********************************************************/
-
-/*
- * svga_overlay.h --
- *
- * Definitions for video-overlay support.
- */
-
-#ifndef _SVGA_OVERLAY_H_
-#define _SVGA_OVERLAY_H_
-
-#include "svga_reg.h"
-
-/*
- * Video formats we support
- */
-
-#define VMWARE_FOURCC_YV12 0x32315659 /* 'Y' 'V' '1' '2' */
-#define VMWARE_FOURCC_YUY2 0x32595559 /* 'Y' 'U' 'Y' '2' */
-#define VMWARE_FOURCC_UYVY 0x59565955 /* 'U' 'Y' 'V' 'Y' */
-
-typedef enum {
- SVGA_OVERLAY_FORMAT_INVALID = 0,
- SVGA_OVERLAY_FORMAT_YV12 = VMWARE_FOURCC_YV12,
- SVGA_OVERLAY_FORMAT_YUY2 = VMWARE_FOURCC_YUY2,
- SVGA_OVERLAY_FORMAT_UYVY = VMWARE_FOURCC_UYVY,
-} SVGAOverlayFormat;
-
-#define SVGA_VIDEO_COLORKEY_MASK 0x00ffffff
-
-#define SVGA_ESCAPE_VMWARE_VIDEO 0x00020000
-
-#define SVGA_ESCAPE_VMWARE_VIDEO_SET_REGS 0x00020001
- /* FIFO escape layout:
- * Type, Stream Id, (Register Id, Value) pairs */
-
-#define SVGA_ESCAPE_VMWARE_VIDEO_FLUSH 0x00020002
- /* FIFO escape layout:
- * Type, Stream Id */
-
-typedef
-struct SVGAEscapeVideoSetRegs {
- struct {
- uint32 cmdType;
- uint32 streamId;
- } header;
-
- /* May include zero or more items. */
- struct {
- uint32 registerId;
- uint32 value;
- } items[1];
-} SVGAEscapeVideoSetRegs;
-
-typedef
-struct SVGAEscapeVideoFlush {
- uint32 cmdType;
- uint32 streamId;
-} SVGAEscapeVideoFlush;
-
-
-/*
- * Struct definitions for the video overlay commands built on
- * SVGAFifoCmdEscape.
- */
-typedef
-struct {
- uint32 command;
- uint32 overlay;
-} SVGAFifoEscapeCmdVideoBase;
-
-typedef
-struct {
- SVGAFifoEscapeCmdVideoBase videoCmd;
-} SVGAFifoEscapeCmdVideoFlush;
-
-typedef
-struct {
- SVGAFifoEscapeCmdVideoBase videoCmd;
- struct {
- uint32 regId;
- uint32 value;
- } items[1];
-} SVGAFifoEscapeCmdVideoSetRegs;
-
-typedef
-struct {
- SVGAFifoEscapeCmdVideoBase videoCmd;
- struct {
- uint32 regId;
- uint32 value;
- } items[SVGA_VIDEO_NUM_REGS];
-} SVGAFifoEscapeCmdVideoSetAllRegs;
-
-
-/*
- *----------------------------------------------------------------------
- *
- * VMwareVideoGetAttributes --
- *
- * Computes the size, pitches and offsets for YUV frames.
- *
- * Results:
- * TRUE on success; otherwise FALSE on failure.
- *
- * Side effects:
- * Pitches and offsets for the given YUV frame are put in 'pitches'
- * and 'offsets' respectively. They are both optional though.
- *
- *----------------------------------------------------------------------
- */
-
-static inline bool
-VMwareVideoGetAttributes(const SVGAOverlayFormat format, /* IN */
- uint32 *width, /* IN / OUT */
- uint32 *height, /* IN / OUT */
- uint32 *size, /* OUT */
- uint32 *pitches, /* OUT (optional) */
- uint32 *offsets) /* OUT (optional) */
-{
- int tmp;
-
- *width = (*width + 1) & ~1;
-
- if (offsets) {
- offsets[0] = 0;
- }
-
- switch (format) {
- case VMWARE_FOURCC_YV12:
- *height = (*height + 1) & ~1;
- *size = (*width + 3) & ~3;
-
- if (pitches) {
- pitches[0] = *size;
- }
-
- *size *= *height;
-
- if (offsets) {
- offsets[1] = *size;
- }
-
- tmp = ((*width >> 1) + 3) & ~3;
-
- if (pitches) {
- pitches[1] = pitches[2] = tmp;
- }
-
- tmp *= (*height >> 1);
- *size += tmp;
-
- if (offsets) {
- offsets[2] = *size;
- }
-
- *size += tmp;
- break;
-
- case VMWARE_FOURCC_YUY2:
- case VMWARE_FOURCC_UYVY:
- *size = *width * 2;
-
- if (pitches) {
- pitches[0] = *size;
- }
-
- *size *= *height;
- break;
-
- default:
- return false;
- }
-
- return true;
-}
-
-#endif /* _SVGA_OVERLAY_H_ */
Code Review / kvmfornfv.git / blobdiff