From 7420e33848bfe6d53ee28cc06e53856d542ae2c7 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Mon, 3 Aug 2009 11:36:08 -0600 Subject: egl_softpipe: Add support for pbuffer surface. Signed-off-by: Chia-I Wu --- src/gallium/winsys/egl_xlib/egl_xlib.c | 103 ++++++++++++++++++++++++++++++--- 1 file changed, 96 insertions(+), 7 deletions(-) (limited to 'src/gallium') diff --git a/src/gallium/winsys/egl_xlib/egl_xlib.c b/src/gallium/winsys/egl_xlib/egl_xlib.c index 1a1dad65f0..2acfbf86fb 100644 --- a/src/gallium/winsys/egl_xlib/egl_xlib.c +++ b/src/gallium/winsys/egl_xlib/egl_xlib.c @@ -82,6 +82,7 @@ struct xlib_egl_surface { _EGLSurface Base; /**< base class */ + /* These are set for window surface */ Display *Dpy; /**< The X Display of the window */ Window Win; /**< The user-created window ID */ GC Gc; @@ -101,7 +102,7 @@ xlib_egl_driver(_EGLDriver *drv) } -static struct xlib_egl_surface * +static INLINE struct xlib_egl_surface * lookup_surface(EGLSurface surf) { _EGLSurface *surface = _eglLookupSurface(surf); @@ -109,10 +110,10 @@ lookup_surface(EGLSurface surf) } -static struct xlib_egl_context * -lookup_context(EGLContext surf) +static INLINE struct xlib_egl_context * +lookup_context(EGLContext ctx) { - _EGLContext *context = _eglLookupContext(surf); + _EGLContext *context = _eglLookupContext(ctx); return (struct xlib_egl_context *) context; } @@ -180,7 +181,7 @@ create_configs(_EGLDriver *drv, EGLDisplay dpy) SET_CONFIG_ATTRIB(config, EGL_NATIVE_RENDERABLE, EGL_FALSE); SET_CONFIG_ATTRIB(config, EGL_CONFORMANT, all_apis); SET_CONFIG_ATTRIB(config, EGL_RENDERABLE_TYPE, all_apis); - SET_CONFIG_ATTRIB(config, EGL_SURFACE_TYPE, EGL_WINDOW_BIT); + SET_CONFIG_ATTRIB(config, EGL_SURFACE_TYPE, EGL_WINDOW_BIT | EGL_PBUFFER_BIT); _eglAddConfig(disp, config); } @@ -264,7 +265,13 @@ static void check_and_update_buffer_size(struct xlib_egl_surface *surface) { uint width, height; - get_drawable_size(surface->Dpy, surface->Win, &width, &height); + if (surface->Base.Type == EGL_PBUFFER_BIT) { + width = surface->Base.Width; + height = surface->Base.Height; + } + else { + get_drawable_size(surface->Dpy, surface->Win, &width, &height); + } st_resize_framebuffer(surface->Framebuffer, width, height); surface->Base.Width = width; surface->Base.Height = height; @@ -281,6 +288,9 @@ display_surface(struct pipe_winsys *pws, XImage *ximage; void *data; + if (xsurf->Base.Type == EGL_PBUFFER_BIT) + return; + ximage = XCreateImage(xsurf->Dpy, xsurf->VisInfo.visual, xsurf->VisInfo.depth, @@ -527,6 +537,83 @@ xlib_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, } +static EGLSurface +xlib_eglCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + const EGLint *attrib_list) +{ + struct xlib_egl_driver *xdrv = xlib_egl_driver(drv); + _EGLDisplay *disp = _eglLookupDisplay(dpy); + _EGLConfig *conf = _eglLookupConfig(drv, dpy, config); + struct xlib_egl_surface *surf; + __GLcontextModes visual; + uint width, height; + EGLBoolean bind_texture; + + if (!disp) { + _eglError(EGL_BAD_DISPLAY, "eglCreatePbufferSurface"); + return EGL_NO_SURFACE; + } + if (!conf) { + _eglError(EGL_BAD_CONFIG, "eglCreatePbufferSurface"); + return EGL_NO_SURFACE; + } + + surf = CALLOC_STRUCT(xlib_egl_surface); + if (!surf) { + _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface"); + return EGL_NO_SURFACE; + } + + if (!_eglInitSurface(drv, &surf->Base, EGL_PBUFFER_BIT, + conf, attrib_list)) { + free(surf); + return EGL_NO_SURFACE; + } + if (surf->Base.Width < 0 || surf->Base.Height < 0) { + _eglError(EGL_BAD_PARAMETER, "eglCreatePbufferSurface"); + free(surf); + return EGL_NO_SURFACE; + } + + bind_texture = (surf->Base.TextureFormat != EGL_NO_TEXTURE); + width = (uint) surf->Base.Width; + height = (uint) surf->Base.Height; + if ((surf->Base.TextureTarget == EGL_NO_TEXTURE && bind_texture) || + (surf->Base.TextureTarget != EGL_NO_TEXTURE && !bind_texture)) { + _eglError(EGL_BAD_MATCH, "eglCreatePbufferSurface"); + free(surf); + return EGL_NO_SURFACE; + } + /* a framebuffer of zero width or height confuses st */ + if (width == 0 || height == 0) { + _eglError(EGL_BAD_MATCH, "eglCreatePbufferSurface"); + free(surf); + return EGL_NO_SURFACE; + } + /* no mipmap generation */ + if (surf->Base.MipmapTexture) { + _eglError(EGL_BAD_MATCH, "eglCreatePbufferSurface"); + free(surf); + return EGL_NO_SURFACE; + } + + surf->winsys = xdrv->winsys; + + _eglConfigToContextModesRec(conf, &visual); + + /* Create GL statetracker framebuffer */ + surf->Framebuffer = st_create_framebuffer(&visual, + choose_color_format(&visual), + choose_depth_format(&visual), + choose_stencil_format(&visual), + width, height, + (void *) surf); + st_resize_framebuffer(surf->Framebuffer, width, height); + + return _eglLinkSurface(&surf->Base, disp); +} + + static EGLBoolean xlib_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) { @@ -534,7 +621,8 @@ xlib_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) if (surf) { _eglUnlinkSurface(&surf->Base); if (!_eglIsSurfaceBound(&surf->Base)) { - XFreeGC(surf->Dpy, surf->Gc); + if (surf->Base.Type != EGL_PBUFFER_BIT) + XFreeGC(surf->Dpy, surf->Gc); st_unreference_framebuffer(surf->Framebuffer); free(surf); } @@ -631,6 +719,7 @@ _eglMain(_EGLDisplay *dpy, const char *args) xdrv->Base.API.CreateContext = xlib_eglCreateContext; xdrv->Base.API.DestroyContext = xlib_eglDestroyContext; xdrv->Base.API.CreateWindowSurface = xlib_eglCreateWindowSurface; + xdrv->Base.API.CreatePbufferSurface = xlib_eglCreatePbufferSurface; xdrv->Base.API.DestroySurface = xlib_eglDestroySurface; xdrv->Base.API.MakeCurrent = xlib_eglMakeCurrent; xdrv->Base.API.SwapBuffers = xlib_eglSwapBuffers; -- cgit v1.2.3