diff options
| -rw-r--r-- | src/egl/drivers/xdri/egl_xdri.c | 230 |
1 files changed, 229 insertions, 1 deletions
diff --git a/src/egl/drivers/xdri/egl_xdri.c b/src/egl/drivers/xdri/egl_xdri.c index 6a271ff577d..9ff71588dff 100644 --- a/src/egl/drivers/xdri/egl_xdri.c +++ b/src/egl/drivers/xdri/egl_xdri.c @@ -64,6 +64,12 @@ #include "egllog.h" #include "eglsurface.h" +#include <GL/gl.h> + +typedef void (*glGetIntegerv_t)(GLenum, GLint *); +typedef void (*glBindTexture_t)(GLenum, GLuint); +typedef void (*glCopyTexImage2D_t)(GLenum, GLint, GLenum, GLint, GLint, + GLint, GLint, GLint); #define CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T)) @@ -99,6 +105,8 @@ struct xdri_egl_context _EGLContext Base; /**< base class */ __DRIcontext driContext; + + GLint bound_tex_object; }; @@ -147,6 +155,11 @@ lookup_context(EGLContext c) return (struct xdri_egl_context *) context; } +static struct xdri_egl_context * +current_context(void) +{ + return (struct xdri_egl_context *) _eglGetCurrentContext(); +} /** Map EGLConfig handle to xdri_egl_config object */ static struct xdri_egl_config * @@ -210,7 +223,8 @@ create_configs(_EGLDisplay *disp, __GLXdisplayPrivate *glx_priv) SET_CONFIG_ATTRIB(&config->Base, EGL_CONFORMANT, all_apis); SET_CONFIG_ATTRIB(&config->Base, EGL_RENDERABLE_TYPE, all_apis); /* XXX only window rendering allowed ATM */ - SET_CONFIG_ATTRIB(&config->Base, EGL_SURFACE_TYPE, EGL_WINDOW_BIT); + SET_CONFIG_ATTRIB(&config->Base, EGL_SURFACE_TYPE, + (EGL_WINDOW_BIT | EGL_PBUFFER_BIT)); /* XXX possibly other things to init... */ @@ -854,6 +868,86 @@ xdri_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, } +/** + * Called via eglCreatePbufferSurface(), drv->API.CreatePbufferSurface(). + */ +static EGLSurface +xdri_eglCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + const EGLint *attrib_list) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct xdri_egl_surface *xdri_surf; + struct xdri_egl_config *xdri_config = lookup_config(drv, dpy, config); + int scrn = DefaultScreen(disp->Xdpy); + Window window; + + xdri_surf = CALLOC_STRUCT(xdri_egl_surface); + if (!xdri_surf) + return EGL_NO_SURFACE; + + if (!_eglInitSurface(drv, dpy, &xdri_surf->Base, EGL_PBUFFER_BIT, + config, attrib_list)) { + free(xdri_surf); + return EGL_FALSE; + } + + /* Create a dummy X window */ + { + Window root = RootWindow(disp->Xdpy, scrn); + XSetWindowAttributes attr; + XVisualInfo *visInfo, visTemplate; + unsigned mask; + int nvis; + + visTemplate.visualid = xdri_config->mode->visualID; + visInfo = XGetVisualInfo(disp->Xdpy, VisualIDMask, &visTemplate, &nvis); + if (!visInfo) { + return EGL_NO_SURFACE; + } + + attr.background_pixel = 0; + attr.border_pixel = 0; + attr.colormap = XCreateColormap(disp->Xdpy, root, + visInfo->visual, AllocNone); + attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; + mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; + + window = XCreateWindow(disp->Xdpy, root, 0, 0, + xdri_surf->Base.Width, xdri_surf->Base.Height, + 0, visInfo->depth, InputOutput, + visInfo->visual, mask, &attr); + + /*XMapWindow(disp->Xdpy, window);*/ + XFree(visInfo); + + /* set hints and properties */ + /* + sizehints.width = xdri_surf->Base.Width; + sizehints.height = xdri_surf->Base.Height; + sizehints.flags = USPosition; + XSetNormalHints(disp->Xdpy, window, &sizehints); + */ + } + + if (!XF86DRICreateDrawable(disp->Xdpy, scrn, window, &xdri_surf->hDrawable)) { + free(xdri_surf); + return EGL_FALSE; + } + + xdri_surf->driDrawable = window; + + _eglSaveSurface(&xdri_surf->Base); + + _eglLog(_EGL_DEBUG, + "XDRI: CreatePbufferSurface handle %d hDrawable %d", + _eglGetSurfaceHandle(&xdri_surf->Base), + (int) xdri_surf->hDrawable); + + return _eglGetSurfaceHandle(&xdri_surf->Base); +} + + + static EGLBoolean xdri_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) { @@ -879,6 +973,137 @@ xdri_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) static EGLBoolean +xdri_eglBindTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, + EGLint buffer) +{ + typedef int (*bind_teximage)(__DRInativeDisplay *dpy, + __DRIid surface, __DRIscreen *psc, + int buffer, int target, int format, + int level, int mipmap); + + bind_teximage egl_dri_bind_teximage; + + _EGLDisplay *disp = _eglLookupDisplay(dpy); + + struct xdri_egl_context *xdri_ctx = current_context(); + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + struct xdri_egl_surface *xdri_surf = lookup_surface(surface); + + __DRIid dri_surf = xdri_surf ? xdri_surf->driDrawable : 0; + + __GLXscreenConfigs *scrnConf = xdri_drv->glx_priv->screenConfigs; + __DRIscreen *psc = &scrnConf->driScreen; + + /* this call just does error checking */ + if (!_eglBindTexImage(drv, dpy, surface, buffer)) { + return EGL_FALSE; + } + + egl_dri_bind_teximage = + (bind_teximage) dlsym(NULL, "egl_dri_bind_teximage"); + if (egl_dri_bind_teximage) { + return egl_dri_bind_teximage(disp->Xdpy, dri_surf, psc, + buffer, + xdri_surf->Base.TextureTarget, + xdri_surf->Base.TextureFormat, + xdri_surf->Base.MipmapLevel, + xdri_surf->Base.MipmapTexture); + } + else { + /* fallback path based on glCopyTexImage() */ + /* Get/save currently bound 2D texobj name */ + glGetIntegerv_t glGetIntegerv_func = + (glGetIntegerv_t) dlsym(NULL, "glGetIntegerv"); + GLint curTexObj = 0; + if (glGetIntegerv_func) { + (*glGetIntegerv_func)(GL_TEXTURE_BINDING_2D, &curTexObj); + } + xdri_ctx->bound_tex_object = curTexObj; + } + + return EGL_FALSE; +} + + +static EGLBoolean +xdri_eglReleaseTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, + EGLint buffer) +{ + typedef int (*release_teximage)(__DRInativeDisplay *dpy, + __DRIid surface, __DRIscreen *psc, + int buffer, int target, int format, + int level, int mipmap); + release_teximage egl_dri_release_teximage; + + _EGLDisplay *disp = _eglLookupDisplay(dpy); + + struct xdri_egl_context *xdri_ctx = current_context(); + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + struct xdri_egl_surface *xdri_surf = lookup_surface(surface); + + __DRIid dri_surf = xdri_surf ? xdri_surf->driDrawable : 0; + + __GLXscreenConfigs *scrnConf = xdri_drv->glx_priv->screenConfigs; + __DRIscreen *psc = &scrnConf->driScreen; + + /* this call just does error checking */ + if (!_eglReleaseTexImage(drv, dpy, surface, buffer)) { + return EGL_FALSE; + } + + egl_dri_release_teximage = + (release_teximage) dlsym(NULL, "egl_dri_release_teximage"); + if (egl_dri_release_teximage) { + return egl_dri_release_teximage(disp->Xdpy, dri_surf, psc, + buffer, + xdri_surf->Base.TextureTarget, + xdri_surf->Base.TextureFormat, + xdri_surf->Base.MipmapLevel, + xdri_surf->Base.MipmapTexture); + } + else { + /* fallback path based on glCopyTexImage() */ + glGetIntegerv_t glGetIntegerv_func = + (glGetIntegerv_t) dlsym(NULL, "glGetIntegerv"); + glBindTexture_t glBindTexture_func = + (glBindTexture_t) dlsym(NULL, "glBindTexture"); + glCopyTexImage2D_t glCopyTexImage2D_func = + (glCopyTexImage2D_t) dlsym(NULL, "glCopyTexImage2D"); + GLint curTexObj; + GLenum intFormat; + GLint level, width, height; + + if (xdri_surf->Base.TextureFormat == EGL_TEXTURE_RGBA) + intFormat = GL_RGBA; + else + intFormat = GL_RGB; + level = xdri_surf->Base.MipmapLevel; + width = xdri_surf->Base.Width >> level; + height = xdri_surf->Base.Height >> level; + + if (width > 0 && height > 0 && + glGetIntegerv_func && glBindTexture_func && glCopyTexImage2D_func) { + glGetIntegerv_func(GL_TEXTURE_BINDING_2D, &curTexObj); + /* restore texobj from time of eglBindTexImage() call */ + if (curTexObj != xdri_ctx->bound_tex_object) + glBindTexture_func(GL_TEXTURE_2D, xdri_ctx->bound_tex_object); + /* copy pbuffer image to texture */ + glCopyTexImage2D_func(GL_TEXTURE_2D, + level, + intFormat, + 0, 0, width, height, 0); + /* restore current texture */ + if (curTexObj != xdri_ctx->bound_tex_object) + glBindTexture_func(GL_TEXTURE_2D, curTexObj); + } + xdri_ctx->bound_tex_object = -1; + } + + return EGL_FALSE; +} + + +static EGLBoolean xdri_eglSwapBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw) { _EGLDisplay *disp = _eglLookupDisplay(dpy); @@ -931,7 +1156,10 @@ _eglMain(_EGLDisplay *disp, const char *args) xdri_drv->Base.API.CreateContext = xdri_eglCreateContext; xdri_drv->Base.API.MakeCurrent = xdri_eglMakeCurrent; xdri_drv->Base.API.CreateWindowSurface = xdri_eglCreateWindowSurface; + xdri_drv->Base.API.CreatePbufferSurface = xdri_eglCreatePbufferSurface; xdri_drv->Base.API.DestroySurface = xdri_eglDestroySurface; + xdri_drv->Base.API.BindTexImage = xdri_eglBindTexImage; + xdri_drv->Base.API.ReleaseTexImage = xdri_eglReleaseTexImage; xdri_drv->Base.API.SwapBuffers = xdri_eglSwapBuffers; xdri_drv->Base.ClientAPIsMask = (EGL_OPENGL_BIT | |