Mesa (mesa_7_7_branch): svga: Add header files for overlay support
Jakob Bornecrantz
wallbraker at kemper.freedesktop.org
Wed Dec 2 21:55:22 UTC 2009
Module: Mesa
Branch: mesa_7_7_branch
Commit: 9077ddaa2557e1e76c8a052c8d079ef3d443186b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9077ddaa2557e1e76c8a052c8d079ef3d443186b
Author: Jakob Bornecrantz <jakob at vmware.com>
Date: Wed Nov 25 00:33:43 2009 +0100
svga: Add header files for overlay support
---
src/gallium/drivers/svga/include/svga_escape.h | 89 ++++++++++
src/gallium/drivers/svga/include/svga_overlay.h | 201 +++++++++++++++++++++++
2 files changed, 290 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/svga/include/svga_escape.h b/src/gallium/drivers/svga/include/svga_escape.h
new file mode 100644
index 0000000..7b85e9b
--- /dev/null
+++ b/src/gallium/drivers/svga/include/svga_escape.h
@@ -0,0 +1,89 @@
+/**********************************************************
+ * 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_escape.h --
+ *
+ * Definitions for our own (vendor-specific) SVGA Escape commands.
+ */
+
+#ifndef _SVGA_ESCAPE_H_
+#define _SVGA_ESCAPE_H_
+
+
+/*
+ * Namespace IDs for the escape command
+ */
+
+#define SVGA_ESCAPE_NSID_VMWARE 0x00000000
+#define SVGA_ESCAPE_NSID_DEVEL 0xFFFFFFFF
+
+
+/*
+ * Within SVGA_ESCAPE_NSID_VMWARE, we multiplex commands according to
+ * the first DWORD of escape data (after the nsID and size). As a
+ * guideline we're using the high word and low word as a major and
+ * minor command number, respectively.
+ *
+ * Major command number allocation:
+ *
+ * 0000: Reserved
+ * 0001: SVGA_ESCAPE_VMWARE_LOG (svga_binary_logger.h)
+ * 0002: SVGA_ESCAPE_VMWARE_VIDEO (svga_overlay.h)
+ * 0003: SVGA_ESCAPE_VMWARE_HINT (svga_escape.h)
+ */
+
+#define SVGA_ESCAPE_VMWARE_MAJOR_MASK 0xFFFF0000
+
+
+/*
+ * SVGA Hint commands.
+ *
+ * These escapes let the SVGA driver provide optional information to
+ * he host about the state of the guest or guest applications. The
+ * host can use these hints to make user interface or performance
+ * decisions.
+ *
+ * Notes:
+ *
+ * - SVGA_ESCAPE_VMWARE_HINT_FULLSCREEN is deprecated for guests
+ * that use the SVGA Screen Object extension. Instead of sending
+ * this escape, use the SVGA_SCREEN_FULLSCREEN_HINT flag on your
+ * Screen Object.
+ */
+
+#define SVGA_ESCAPE_VMWARE_HINT 0x00030000
+#define SVGA_ESCAPE_VMWARE_HINT_FULLSCREEN 0x00030001 // Deprecated
+
+typedef
+struct {
+ uint32 command;
+ uint32 fullscreen;
+ struct {
+ int32 x, y;
+ } monitorPosition;
+} SVGAEscapeHintFullscreen;
+
+#endif /* _SVGA_ESCAPE_H_ */
diff --git a/src/gallium/drivers/svga/include/svga_overlay.h b/src/gallium/drivers/svga/include/svga_overlay.h
new file mode 100644
index 0000000..82c1d3f
--- /dev/null
+++ b/src/gallium/drivers/svga/include/svga_overlay.h
@@ -0,0 +1,201 @@
+/**********************************************************
+ * 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_
More information about the mesa-commit
mailing list