#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))
_EGLContext Base; /**< base class */
__DRIcontext driContext;
+
+ GLint bound_tex_object;
};
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 *
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... */
}
+/**
+ * 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)
{
}
+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)
{
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 |
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