Module: Mesa
Branch: master
Commit: 4e5ed05b025b9b6a1a6dabba72fce3d918e77044
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=4e5ed05b025b9b6a1a6dabba72fce3d918e77044
Author: José Fonseca <jfons...@vmware.com>
Date: Thu Sep 24 13:08:34 2009 +0100
wgl: DWM integration.
---
src/gallium/state_trackers/wgl/opengl32.def | 1 +
src/gallium/state_trackers/wgl/opengl32.mingw.def | 1 +
src/gallium/state_trackers/wgl/stw_device.c | 52 +++---
src/gallium/state_trackers/wgl/stw_device.h | 4 +
src/gallium/state_trackers/wgl/stw_framebuffer.c | 194 +++++++++++++++++----
src/gallium/state_trackers/wgl/stw_framebuffer.h | 16 ++
src/gallium/state_trackers/wgl/stw_icd.h | 114 ++++++++++++-
src/gallium/state_trackers/wgl/stw_pixelformat.c | 7 +-
src/gallium/state_trackers/wgl/stw_pixelformat.h | 4 +
src/gallium/state_trackers/wgl/stw_winsys.h | 54 +++++-
10 files changed, 380 insertions(+), 67 deletions(-)
diff --git a/src/gallium/state_trackers/wgl/opengl32.def
b/src/gallium/state_trackers/wgl/opengl32.def
index 596417e..5daa6dd 100644
--- a/src/gallium/state_trackers/wgl/opengl32.def
+++ b/src/gallium/state_trackers/wgl/opengl32.def
@@ -376,6 +376,7 @@ EXPORTS
DrvDescribePixelFormat
DrvGetLayerPaletteEntries
DrvGetProcAddress
+ DrvPresentBuffers
DrvRealizeLayerPalette
DrvReleaseContext
DrvSetCallbackProcs
diff --git a/src/gallium/state_trackers/wgl/opengl32.mingw.def
b/src/gallium/state_trackers/wgl/opengl32.mingw.def
index 1f03ea3..6ebb31a 100644
--- a/src/gallium/state_trackers/wgl/opengl32.mingw.def
+++ b/src/gallium/state_trackers/wgl/opengl32.mingw.def
@@ -375,6 +375,7 @@ EXPORTS
DrvDescribePixelFormat = drvdescribepixelfor...@16
DrvGetLayerPaletteEntries = drvgetlayerpaletteentr...@20
DrvGetProcAddress = drvgetprocaddr...@4
+ DrvPresentBuffers = drvpresentbuff...@8
DrvRealizeLayerPalette = drvrealizelayerpale...@12
DrvReleaseContext = drvreleasecont...@4
DrvSetCallbackProcs = drvsetcallbackpr...@8
diff --git a/src/gallium/state_trackers/wgl/stw_device.c
b/src/gallium/state_trackers/wgl/stw_device.c
index a1a5b89..985b8f0 100644
--- a/src/gallium/state_trackers/wgl/stw_device.c
+++ b/src/gallium/state_trackers/wgl/stw_device.c
@@ -29,6 +29,7 @@
#include "glapi/glthread.h"
#include "util/u_debug.h"
+#include "util/u_math.h"
#include "pipe/p_screen.h"
#include "state_tracker/st_public.h"
@@ -62,38 +63,28 @@ stw_flush_frontbuffer(struct pipe_screen *screen,
struct pipe_surface *surface,
void *context_private )
{
- const struct stw_winsys *stw_winsys = stw_dev->stw_winsys;
HDC hdc = (HDC)context_private;
struct stw_framebuffer *fb;
fb = stw_framebuffer_from_hdc( hdc );
- /* fb can be NULL if window was destroyed already */
- if (fb) {
+ if (!fb) {
+ /* fb can be NULL if window was destroyed already */
+ return;
+ }
+
#if DEBUG
- {
- struct pipe_surface *surface2;
-
- if(!st_get_framebuffer_surface( fb->stfb, ST_SURFACE_FRONT_LEFT,
&surface2 ))
- assert(0);
- else
- assert(surface2 == surface);
- }
-#endif
+ {
+ /* ensure that a random surface was not passed to us */
+ struct pipe_surface *surface2;
-#ifdef DEBUG
- if(stw_dev->trace_running) {
- screen = trace_screen(screen)->screen;
- surface = trace_surface(surface)->surface;
- }
-#endif
- }
-
- stw_winsys->flush_frontbuffer(screen, surface, hdc);
-
- if(fb) {
- stw_framebuffer_update(fb);
- stw_framebuffer_release(fb);
+ if(!st_get_framebuffer_surface( fb->stfb, ST_SURFACE_FRONT_LEFT,
&surface2 ))
+ assert(0);
+ else
+ assert(surface2 == surface);
}
+#endif
+
+ stw_framebuffer_present_locked(hdc, fb, ST_SURFACE_FRONT_LEFT);
}
@@ -126,6 +117,9 @@ stw_init(const struct stw_winsys *stw_winsys)
if(!screen)
goto error1;
+ if(stw_winsys->get_adapter_luid)
+ stw_winsys->get_adapter_luid(screen, &stw_dev->AdapterLuid);
+
#ifdef DEBUG
stw_dev->screen = trace_screen_create(screen);
stw_dev->trace_running = stw_dev->screen != screen ? TRUE : FALSE;
@@ -229,6 +223,14 @@ DrvSetCallbackProcs(
INT nProcs,
PROC *pProcs )
{
+ size_t size;
+
+ if (stw_dev == NULL)
+ return;
+
+ size = MIN2(nProcs * sizeof *pProcs, sizeof stw_dev->callbacks);
+ memcpy(&stw_dev->callbacks, pProcs, size);
+
return;
}
diff --git a/src/gallium/state_trackers/wgl/stw_device.h
b/src/gallium/state_trackers/wgl/stw_device.h
index 5e4e3d6..0bf3b0d 100644
--- a/src/gallium/state_trackers/wgl/stw_device.h
+++ b/src/gallium/state_trackers/wgl/stw_device.h
@@ -52,10 +52,14 @@ struct stw_device
boolean trace_running;
#endif
+ LUID AdapterLuid;
+
struct stw_pixelformat_info pixelformats[STW_MAX_PIXELFORMATS];
unsigned pixelformat_count;
unsigned pixelformat_extended_count;
+ GLCALLBACKTABLE callbacks;
+
pipe_mutex ctx_mutex;
struct handle_table *ctx_table;
diff --git a/src/gallium/state_trackers/wgl/stw_framebuffer.c
b/src/gallium/state_trackers/wgl/stw_framebuffer.c
index 123b841..8a3e11b 100644
--- a/src/gallium/state_trackers/wgl/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/stw_framebuffer.c
@@ -1,8 +1,8 @@
/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ *
+ * Copyright 2008-2009 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
@@ -10,19 +10,19 @@
* distribute, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
- *
+ *
**************************************************************************/
#include <windows.h>
@@ -83,6 +83,9 @@ stw_framebuffer_destroy_locked(
*link = fb->next;
fb->next = NULL;
+ if(fb->shared_surface)
+ stw_dev->stw_winsys->shared_surface_close(stw_dev->screen,
fb->shared_surface);
+
st_unreference_framebuffer(fb->stfb);
pipe_mutex_unlock( fb->mutex );
@@ -106,13 +109,18 @@ static INLINE void
stw_framebuffer_get_size( struct stw_framebuffer *fb )
{
unsigned width, height;
- RECT rect;
+ RECT client_rect;
+ RECT window_rect;
+ POINT client_pos;
assert(fb->hWnd);
- GetClientRect( fb->hWnd, &rect );
- width = rect.right - rect.left;
- height = rect.bottom - rect.top;
+ /* Get the client area size. */
+ GetClientRect( fb->hWnd, &client_rect );
+ assert(client_rect.left == 0);
+ assert(client_rect.top == 0);
+ width = client_rect.right - client_rect.left;
+ height = client_rect.bottom - client_rect.top;
if(width < 1)
width = 1;
@@ -124,6 +132,31 @@ stw_framebuffer_get_size( struct stw_framebuffer *fb )
fb->width = width;
fb->height = height;
}
+
+ client_pos.x = 0;
+ client_pos.y = 0;
+ ClientToScreen(fb->hWnd, &client_pos);
+
+ GetWindowRect(fb->hWnd, &window_rect);
+
+ fb->client_rect.left = client_pos.x - window_rect.left;
+ fb->client_rect.top = client_pos.y - window_rect.top;
+ fb->client_rect.right = fb->client_rect.left + fb->width;
+ fb->client_rect.bottom = fb->client_rect.top + fb->height;
+
+#if 0
+ debug_printf("\n");
+ debug_printf("%s: client_position = (%i, %i)\n",
+ __FUNCTION__, client_pos.x, client_pos.y);
+ debug_printf("%s: window_rect = (%i, %i) - (%i, %i)\n",
+ __FUNCTION__,
+ window_rect.left, window_rect.top,
+ window_rect.right, window_rect.bottom);
+ debug_printf("%s: client_rect = (%i, %i) - (%i, %i)\n",
+ __FUNCTION__,
+ fb->client_rect.left, fb->client_rect.top,
+ fb->client_rect.right, fb->client_rect.bottom);
+#endif
}
@@ -155,6 +188,7 @@ stw_call_window_proc(
* can be masked out by the application. */
LPWINDOWPOS lpWindowPos = (LPWINDOWPOS)pParams->lParam;
if((lpWindowPos->flags & SWP_SHOWWINDOW) ||
+ !(lpWindowPos->flags & SWP_NOMOVE) ||
!(lpWindowPos->flags & SWP_NOSIZE)) {
fb = stw_framebuffer_from_hwnd( pParams->hwnd );
if(fb) {
@@ -436,34 +470,23 @@ stw_pixelformat_get(
BOOL APIENTRY
-DrvSwapBuffers(
- HDC hdc )
+DrvPresentBuffers(HDC hdc, PGLPRESENTBUFFERSDATA data)
{
struct stw_framebuffer *fb;
struct pipe_screen *screen;
struct pipe_surface *surface;
+ unsigned surface_index;
+ BOOL ret = FALSE;
fb = stw_framebuffer_from_hdc( hdc );
if (fb == NULL)
return FALSE;
- if (!(fb->pfi->pfd.dwFlags & PFD_DOUBLEBUFFER)) {
- stw_framebuffer_release(fb);
- return TRUE;
- }
-
- /* If we're swapping the buffer associated with the current context
- * we have to flush any pending rendering commands first.
- */
- st_notify_swapbuffers( fb->stfb );
-
screen = stw_dev->screen;
-
- if(!st_get_framebuffer_surface( fb->stfb, ST_SURFACE_BACK_LEFT, &surface ))
{
- /* FIXME: this shouldn't happen, but does on glean */
- stw_framebuffer_release(fb);
- return FALSE;
- }
+
+ surface_index = (unsigned)(uintptr_t)data->pPrivateData;
+ if(!st_get_framebuffer_surface( fb->stfb, surface_index, &surface ))
+ goto fail;
#ifdef DEBUG
if(stw_dev->trace_running) {
@@ -472,12 +495,117 @@ DrvSwapBuffers(
}
#endif
- stw_dev->stw_winsys->flush_frontbuffer( screen, surface, hdc );
-
+ if(data->hSharedSurface != fb->hSharedSurface) {
+ if(fb->shared_surface) {
+ stw_dev->stw_winsys->shared_surface_close(screen, fb->shared_surface);
+ fb->shared_surface = NULL;
+ }
+
+ fb->hSharedSurface = data->hSharedSurface;
+
+ if(data->hSharedSurface &&
+ stw_dev->stw_winsys->shared_surface_open) {
+ fb->shared_surface = stw_dev->stw_winsys->shared_surface_open(screen,
fb->hSharedSurface);
+ }
+ }
+
+ if(fb->shared_surface) {
+ stw_dev->stw_winsys->compose(screen,
+ surface,
+ fb->shared_surface,
+ &fb->client_rect,
+ data->PresentHistoryToken);
+ }
+ else {
+ stw_dev->stw_winsys->present( screen, surface, hdc );
+ }
+
+ ret = TRUE;
+
+fail:
+
stw_framebuffer_update(fb);
+
stw_framebuffer_release(fb);
-
- return TRUE;
+
+ return ret;
+}
+
+
+/**
+ * Queue a composition.
+ *
+ * It will drop the lock on success.
+ */
+BOOL
+stw_framebuffer_present_locked(HDC hdc,
+ struct stw_framebuffer *fb,
+ unsigned surface_index)
+{
+ if(stw_dev->callbacks.wglCbPresentBuffers &&
+ stw_dev->stw_winsys->compose) {
+ GLCBPRESENTBUFFERSDATA data;
+
+ memset(&data, 0, sizeof data);
+ data.magic1 = 2;
+ data.magic2 = 0;
+ data.AdapterLuid = stw_dev->AdapterLuid;
+ data.rect = fb->client_rect;
+ data.pPrivateData = (void *)(uintptr_t)surface_index;
+
+ stw_framebuffer_release(fb);
+
+ return stw_dev->callbacks.wglCbPresentBuffers(hdc, &data);
+ }
+ else {
+ struct pipe_screen *screen = stw_dev->screen;
+ struct pipe_surface *surface;
+
+ if(!st_get_framebuffer_surface( fb->stfb, surface_index, &surface )) {
+ /* FIXME: this shouldn't happen, but does on glean */
+ stw_framebuffer_release(fb);
+ return FALSE;
+ }
+
+#ifdef DEBUG
+ if(stw_dev->trace_running) {
+ screen = trace_screen(screen)->screen;
+ surface = trace_surface(surface)->surface;
+ }
+#endif
+
+ stw_dev->stw_winsys->present( screen, surface, hdc );
+
+ stw_framebuffer_update(fb);
+
+ stw_framebuffer_release(fb);
+
+ return TRUE;
+ }
+}
+
+
+BOOL APIENTRY
+DrvSwapBuffers(
+ HDC hdc )
+{
+ struct stw_framebuffer *fb;
+
+ fb = stw_framebuffer_from_hdc( hdc );
+ if (fb == NULL)
+ return FALSE;
+
+ if (!(fb->pfi->pfd.dwFlags & PFD_DOUBLEBUFFER)) {
+ stw_framebuffer_release(fb);
+ return TRUE;
+ }
+
+ /* If we're swapping the buffer associated with the current context
+ * we have to flush any pending rendering commands first.
+ */
+ st_notify_swapbuffers( fb->stfb );
+
+ return stw_framebuffer_present_locked(hdc, fb, ST_SURFACE_BACK_LEFT);
}
diff --git a/src/gallium/state_trackers/wgl/stw_framebuffer.h
b/src/gallium/state_trackers/wgl/stw_framebuffer.h
index 13d29f3..5afbe74 100644
--- a/src/gallium/state_trackers/wgl/stw_framebuffer.h
+++ b/src/gallium/state_trackers/wgl/stw_framebuffer.h
@@ -73,9 +73,20 @@ struct stw_framebuffer
/* FIXME: Make this work for multiple contexts bound to the same
framebuffer */
boolean must_resize;
+
unsigned width;
unsigned height;
+ /**
+ * Client area rectangle, relative to the window upper-left corner.
+ *
+ * @sa GLCBPRESENTBUFFERSDATA::rect.
+ */
+ RECT client_rect;
+
+ HANDLE hSharedSurface;
+ struct stw_shared_surface *shared_surface;
+
/**
* This is protected by stw_device::fb_mutex, not the mutex above.
*
@@ -126,6 +137,11 @@ BOOL
stw_framebuffer_allocate(
struct stw_framebuffer *fb );
+BOOL
+stw_framebuffer_present_locked(HDC hdc,
+ struct stw_framebuffer *fb,
+ unsigned surface_index);
+
void
stw_framebuffer_update(
struct stw_framebuffer *fb);
diff --git a/src/gallium/state_trackers/wgl/stw_icd.h
b/src/gallium/state_trackers/wgl/stw_icd.h
index cbc1a66..02eb543 100644
--- a/src/gallium/state_trackers/wgl/stw_icd.h
+++ b/src/gallium/state_trackers/wgl/stw_icd.h
@@ -1,6 +1,6 @@
/**************************************************************************
*
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2008-2009 Vmware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
* 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
@@ -388,6 +388,113 @@ typedef struct _GLCLTPROCTABLE
typedef VOID (APIENTRY * PFN_SETPROCTABLE)(PGLCLTPROCTABLE);
+/**
+ * Presentation data passed to opengl32!wglCbPresentBuffers.
+ *
+ * Pure software drivers don't need to worry about this -- if they stick to the
+ * GDI API then will integrate with the Desktop Window Manager (DWM) without
+ * problems. Hardware drivers, however, cannot present directly to the primary
+ * surface while the DWM is active, as DWM gets exclusive access to the primary
+ * surface.
+ *
+ * Proper DWM integration requires:
+ * - advertise the PFD_SUPPORT_COMPOSITION flag
+ * - redirect glFlush/glfinish/wglSwapBuffers into a surface shared with the
+ * DWM process.
+ *
+ * @sa http://www.opengl.org/pipeline/article/vol003_7/
+ * @sa http://blogs.msdn.com/greg_schechter/archive/2006/05/02/588934.aspx
+ */
+typedef struct _GLCBPRESENTBUFFERSDATA
+{
+ /**
+ * wglCbPresentBuffers enforces this to be 2.
+ */
+ DWORD magic1;
+
+ /**
+ * wglCbPresentBuffers enforces to be 0 or 1, but it is most commonly
+ * set to 0.
+ */
+ DWORD magic2;
+
+ /**
+ * Locally unique identifier (LUID) of the graphics adapter.
+ *
+ * This should contain the value returned by D3DKMTOpenAdapterFromHdc. It
+ * is passed to dwmapi!DwmpDxGetWindowSharedSurface in order to obtain
+ * the shared surface handle for the bound drawable (window).
+ *
+ * @sa http://msdn.microsoft.com/en-us/library/ms799177.aspx
+ */
+ LUID AdapterLuid;
+
+ /**
+ * This is passed unmodified to DrvPresentBuffers
+ */
+ LPVOID pPrivateData;
+
+ /**
+ * Client area rectangle to update, relative to the window upper-left
corner.
+ */
+ RECT rect;
+} GLCBPRESENTBUFFERSDATA, *PGLCBPRESENTBUFFERSDATA;
+
+/**
+ * Callbacks supplied to DrvSetCallbackProcs by the OpenGL runtime.
+ *
+ * Pointers to several callback functions in opengl32.dll.
+ */
+typedef struct _GLCALLBACKTABLE
+{
+ /** Unused */
+ PROC wglCbSetCurrentValue;
+
+ /** Unused */
+ PROC wglCbGetCurrentValue;
+
+ /** Unused */
+ PROC wglCbGetDhglrc;
+
+ /** Unused */
+ PROC wglCbGetDdHandle;
+
+ /**
+ * Queue a present composition.
+ *
+ * Makes the runtime call DrvPresentBuffers with the composition
information.
+ */
+ BOOL (APIENTRY *wglCbPresentBuffers)(HDC hdc, PGLCBPRESENTBUFFERSDATA data);
+
+} GLCALLBACKTABLE;
+
+typedef struct _GLPRESENTBUFFERSDATA
+{
+ /**
+ * The shared surface handle.
+ *
+ * Return by dwmapi!DwmpDxGetWindowSharedSurface.
+ *
+ * @sa
http://channel9.msdn.com/forums/TechOff/251261-Help-Getting-the-shared-window-texture-out-of-DWM-/
+ */
+ HANDLE hSharedSurface;
+
+ LUID AdapterLuid;
+
+ /**
+ * Present history token.
+ *
+ * This is returned by dwmapi!DwmpDxGetWindowSharedSurface and
+ * should be passed to D3DKMTRender in D3DKMT_RENDER::PresentHistoryToken.
+ *
+ * @sa http://msdn.microsoft.com/en-us/library/ms799176.aspx
+ */
+ ULONGLONG PresentHistoryToken;
+
+ /** Same as GLCBPRESENTBUFFERSDATA::pPrivateData */
+ LPVOID pPrivateData;
+} GLPRESENTBUFFERSDATA, *PGLPRESENTBUFFERSDATA;
+
BOOL APIENTRY
DrvCopyContext(
DHGLRC dhrcSource,
@@ -435,6 +542,9 @@ DrvGetProcAddress(
LPCSTR lpszProc );
BOOL APIENTRY
+DrvPresentBuffers(HDC hdc, PGLPRESENTBUFFERSDATA data);
+
+BOOL APIENTRY
DrvRealizeLayerPalette(
HDC hdc,
INT iLayerPlane,
diff --git a/src/gallium/state_trackers/wgl/stw_pixelformat.c
b/src/gallium/state_trackers/wgl/stw_pixelformat.c
index 9b591d5..7abe5d9 100644
--- a/src/gallium/state_trackers/wgl/stw_pixelformat.c
+++ b/src/gallium/state_trackers/wgl/stw_pixelformat.c
@@ -154,8 +154,11 @@ stw_pixelformat_add(
pfi->pfd.dwFlags = PFD_SUPPORT_OPENGL;
/* TODO: also support non-native pixel formats */
- pfi->pfd.dwFlags |= PFD_DRAW_TO_WINDOW ;
-
+ pfi->pfd.dwFlags |= PFD_DRAW_TO_WINDOW;
+
+ /* See http://www.opengl.org/pipeline/article/vol003_7/ */
+ pfi->pfd.dwFlags |= PFD_SUPPORT_COMPOSITION;
+
if (doublebuffer)
pfi->pfd.dwFlags |= PFD_DOUBLEBUFFER | PFD_SWAP_COPY;
diff --git a/src/gallium/state_trackers/wgl/stw_pixelformat.h
b/src/gallium/state_trackers/wgl/stw_pixelformat.h
index 2fa7e22..3a690b3 100644
--- a/src/gallium/state_trackers/wgl/stw_pixelformat.h
+++ b/src/gallium/state_trackers/wgl/stw_pixelformat.h
@@ -30,6 +30,10 @@
#include <windows.h>
+#ifndef PFD_SUPPORT_COMPOSITION
+#define PFD_SUPPORT_COMPOSITION 0x00008000
+#endif
+
#include "main/mtypes.h"
#include "pipe/p_compiler.h"
diff --git a/src/gallium/state_trackers/wgl/stw_winsys.h
b/src/gallium/state_trackers/wgl/stw_winsys.h
index c0bf82c..1ead47d 100644
--- a/src/gallium/state_trackers/wgl/stw_winsys.h
+++ b/src/gallium/state_trackers/wgl/stw_winsys.h
@@ -1,6 +1,6 @@
/**************************************************************************
*
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2008-2009 Vmware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
* 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
@@ -36,6 +36,8 @@ struct pipe_screen;
struct pipe_context;
struct pipe_surface;
+struct stw_shared_surface;
+
struct stw_winsys
{
struct pipe_screen *
@@ -44,10 +46,52 @@ struct stw_winsys
struct pipe_context *
(*create_context)( struct pipe_screen *screen );
+ /**
+ * Present the color buffer to the window associated with the device
context.
+ */
+ void
+ (*present)( struct pipe_screen *screen,
+ struct pipe_surface *surf,
+ HDC hDC );
+
+ /**
+ * Locally unique identifier (LUID) of the graphics adapter.
+ *
+ * @sa GLCBPRESENTBUFFERSDATA::AdapterLuid;
+ */
+ boolean
+ (*get_adapter_luid)( struct pipe_screen *screen,
+ LUID *pAdapterLuid );
+
+ /**
+ * Open a shared surface (optional).
+ *
+ * @sa GLCBPRESENTBUFFERSDATA::hSharedSurface;
+ */
+ struct stw_shared_surface *
+ (*shared_surface_open)(struct pipe_screen *screen,
+ HANDLE hSharedSurface);
+
+ /**
+ * Open a shared surface (optional).
+ */
+ void
+ (*shared_surface_close)(struct pipe_screen *screen,
+ struct stw_shared_surface *surface);
+
+ /**
+ * Compose into a shared (optional).
+ *
+ * Blit the color buffer into a shared surface.
+ *
+ * @sa GLPRESENTBUFFERSDATA::PresentHistoryToken.
+ */
void
- (*flush_frontbuffer)( struct pipe_screen *screen,
- struct pipe_surface *surf,
- HDC hDC );
+ (*compose)( struct pipe_screen *screen,
+ struct pipe_surface *src,
+ struct stw_shared_surface *dest,
+ LPCRECT pRect,
+ ULONGLONG PresentHistoryToken );
};
boolean
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