/*****************************************************************************
* glwin32.c: Windows OpenGL provider
*****************************************************************************
- * Copyright (C) 2001-2009 the VideoLAN team
+ * Copyright (C) 2001-2009 VLC authors and VideoLAN
* $Id$
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#include <vlc_vout_display.h>
#include <windows.h>
-#include <ddraw.h>
-#include <commctrl.h>
-
-#undef GetSystemMetrics
-
-#ifndef MONITOR_DEFAULTTONEAREST
-# define MONITOR_DEFAULTTONEAREST 2
-#endif
+#define GLEW_STATIC
#include "../opengl.h"
+#include <GL/wglew.h>
+
#include "common.h"
/*****************************************************************************
static int Open (vlc_object_t *);
static void Close(vlc_object_t *);
+#define HW_GPU_AFFINITY_TEXT N_("GPU affinity")
+
vlc_module_begin()
set_category(CAT_VIDEO)
set_subcategory(SUBCAT_VIDEO_VOUT)
set_shortname("OpenGL")
set_description(N_("OpenGL video output"))
+
+ add_integer("gpu-affinity", -1, HW_GPU_AFFINITY_TEXT, HW_GPU_AFFINITY_TEXT, true)
+
set_capability("vout display", 160)
add_shortcut("glwin32", "opengl")
set_callbacks(Open, Close)
static void Swap (vlc_gl_t *);
static void *OurGetProcAddress(vlc_gl_t *, const char *);
+/* Create an GPU Affinity DC */
+static void CreateGPUAffinityDC(vout_display_t *vd, UINT nVidiaAffinity) {
+ PIXELFORMATDESCRIPTOR pfd;
+ memset(&pfd, 0, sizeof(pfd));
+ pfd.nSize = sizeof(pfd);
+ pfd.nVersion = 1;
+ pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
+ pfd.iPixelType = PFD_TYPE_RGBA;
+ pfd.cColorBits = 24;
+ pfd.cDepthBits = 16;
+ pfd.iLayerType = PFD_MAIN_PLANE;
+
+ /* create a temporary GL context */
+ HDC winDC = GetDC(vd->sys->hvideownd);
+ SetPixelFormat(winDC, ChoosePixelFormat(winDC, &pfd), &pfd);
+ HGLRC hGLRC = wglCreateContext(winDC);
+ wglMakeCurrent(winDC, hGLRC);
+
+ /* Initialize the neccessary function pointers */
+ PFNWGLENUMGPUSNVPROC fncEnumGpusNV = (PFNWGLENUMGPUSNVPROC)wglGetProcAddress("wglEnumGpusNV");
+ PFNWGLCREATEAFFINITYDCNVPROC fncCreateAffinityDCNV = (PFNWGLCREATEAFFINITYDCNVPROC)wglGetProcAddress("wglCreateAffinityDCNV");
+
+ /* delete the temporary GL context */
+ wglDeleteContext(hGLRC);
+
+ /* see if we have the extensions */
+ if (!fncEnumGpusNV || !fncCreateAffinityDCNV) return;
+
+ /* find the graphics card */
+ HGPUNV GpuMask[2];
+ GpuMask[0] = NULL;
+ GpuMask[1] = NULL;
+ HGPUNV hGPU;
+ if (!fncEnumGpusNV(nVidiaAffinity, &hGPU)) return;
+
+ /* make the affinity DC */
+ GpuMask[0] = hGPU;
+ vd->sys->affinityHDC = fncCreateAffinityDCNV(GpuMask);
+ if (vd->sys->affinityHDC == NULL) return;
+ SetPixelFormat(vd->sys->affinityHDC,
+ ChoosePixelFormat(vd->sys->affinityHDC, &pfd), &pfd);
+
+ msg_Dbg( vd, "GPU affinity set to adapter: %d",
+ nVidiaAffinity );
+}
+
+/* Destroy an GPU Affinity DC */
+static void DestroyGPUAffinityDC(vout_display_t *vd) {
+ if (vd->sys->affinityHDC == NULL) return;
+
+ PIXELFORMATDESCRIPTOR pfd;
+ memset(&pfd, 0, sizeof(pfd));
+ pfd.nSize = sizeof(pfd);
+ pfd.nVersion = 1;
+ pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
+ pfd.iPixelType = PFD_TYPE_RGBA;
+ pfd.cColorBits = 24;
+ pfd.cDepthBits = 16;
+ pfd.iLayerType = PFD_MAIN_PLANE;
+
+ /* create a temporary GL context */
+ HDC winDC = GetDC(vd->sys->hvideownd);
+ SetPixelFormat(winDC, ChoosePixelFormat(winDC, &pfd), &pfd);
+ HGLRC hGLRC = wglCreateContext(winDC);
+ wglMakeCurrent(winDC, hGLRC);
+
+ /* Initialize the neccessary function pointers */
+ PFNWGLDELETEDCNVPROC fncDeleteDCNV = (PFNWGLDELETEDCNVPROC)wglGetProcAddress("wglDeleteDCNV");
+
+ /* delete the temporary GL context */
+ wglDeleteContext(hGLRC);
+
+ /* see if we have the extensions */
+ if (!fncDeleteDCNV) return;
+
+ /* delete the affinity DC */
+ fncDeleteDCNV(vd->sys->affinityHDC);
+}
+
/**
* It creates an OpenGL vout display.
*/
EventThreadUpdateTitle(sys->event, VOUT_TITLE " (OpenGL output)");
+ /* process selected GPU affinity */
+ int nVidiaAffinity = var_InheritInteger(vd, "gpu-affinity");
+ if (nVidiaAffinity >= 0) CreateGPUAffinityDC(vd, nVidiaAffinity);
+
/* */
sys->hGLDC = GetDC(sys->hvideownd);
SetPixelFormat(sys->hGLDC,
ChoosePixelFormat(sys->hGLDC, &pfd), &pfd);
- /* Create and enable the render context */
- sys->hGLRC = wglCreateContext(sys->hGLDC);
+ /*
+ * Create and enable the render context
+ * For GPU affinity, attach the window DC
+ * to the GPU affinity DC
+ */
+ sys->hGLRC = wglCreateContext((sys->affinityHDC != NULL) ? sys->affinityHDC : sys->hGLDC);
wglMakeCurrent(sys->hGLDC, sys->hGLRC);
+ const char *extensions = (const char*)glGetString(GL_EXTENSIONS);
+#ifdef WGL_EXT_swap_control
+ if (HasExtension(extensions, "WGL_EXT_swap_control")) {
+ PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
+ if (SwapIntervalEXT)
+ SwapIntervalEXT(1);
+ }
+#endif
+
/* */
sys->gl.lock = NULL;
sys->gl.unlock = NULL;
sys->gl.sys = vd;
video_format_t fmt = vd->fmt;
- sys->vgl = vout_display_opengl_New(&fmt, &sys->gl);
+ const vlc_fourcc_t *subpicture_chromas;
+ sys->vgl = vout_display_opengl_New(&fmt, &subpicture_chromas, &sys->gl);
if (!sys->vgl)
goto error;
vout_display_info_t info = vd->info;
info.has_double_click = true;
info.has_hide_mouse = false;
- info.has_pictures_invalid = true;
info.has_event_thread = true;
+ info.subpicture_chromas = subpicture_chromas;
/* Setup vout_display now that everything is fine */
vd->fmt = fmt;
wglDeleteContext(sys->hGLRC);
if (sys->hGLDC)
ReleaseDC(sys->hvideownd, sys->hGLDC);
+ DestroyGPUAffinityDC(vd);
CommonClean(vd);
static picture_pool_t *Pool(vout_display_t *vd, unsigned count)
{
vout_display_sys_t *sys = vd->sys;
- VLC_UNUSED(count);
if (!sys->pool)
- sys->pool = vout_display_opengl_GetPool(sys->vgl);
+ sys->pool = vout_display_opengl_GetPool(sys->vgl, count);
return sys->pool;
}
{
vout_display_sys_t *sys = vd->sys;
- vout_display_opengl_Prepare(sys->vgl, picture);
- VLC_UNUSED(subpicture);
+ vout_display_opengl_Prepare(sys->vgl, picture, subpicture);
}
static void Display(vout_display_t *vd, picture_t *picture, subpicture_t *subpicture)
vout_display_opengl_Display(sys->vgl, &vd->source);
picture_Release(picture);
- VLC_UNUSED(subpicture);
+ if (subpicture)
+ subpicture_Delete(subpicture);
CommonDisplay(vd);
}
static void *OurGetProcAddress(vlc_gl_t *gl, const char *name)
{
+ VLC_UNUSED(gl);
return wglGetProcAddress(name);
}