#include <string.h>
#include "eglcontext.h"
#include "eglconfig.h"
+#include "egldriver.h"
#include "eglglobals.h"
#include "eglhash.h"
#include "egllog.h"
return EGL_FALSE;
}
+ if ((GET_CONFIG_ATTRIB(conf, EGL_SURFACE_TYPE) & type) == 0) {
+ /* The config can't be used to create a surface of this type */
+ _eglError(EGL_BAD_CONFIG, func);
+ return EGL_FALSE;
+ }
+
/*
* Parse attribute list. Different kinds of surfaces support different
* attributes.
}
}
- if (width <= 0 || height <= 0) {
+ if (width < 0 || height < 0) {
_eglError(EGL_BAD_ATTRIBUTE, func);
return EGL_FALSE;
}
void
_eglSaveSurface(_EGLSurface *surf)
{
- EGLuint key = _eglHashGenKey(_eglGlobal.Contexts);
+ EGLuint key = _eglHashGenKey(_eglGlobal.Surfaces);
assert(surf);
assert(!surf->Handle);
surf->Handle = (EGLSurface) key;
}
+
+/**
+ * Return the public handle for an internal _EGLSurface.
+ * This is the inverse of _eglLookupSurface().
+ */
+EGLSurface
+_eglGetSurfaceHandle(_EGLSurface *surface)
+{
+ if (surface)
+ return surface->Handle;
+ else
+ return EGL_NO_SURFACE;
+}
+
+
+/**
+ * Return the private _EGLSurface which corresponds to a public EGLSurface
+ * handle.
+ * This is the inverse of _eglGetSurfaceHandle().
+ */
_EGLSurface *
_eglLookupSurface(EGLSurface surf)
{
/* Basically just do error checking here. Drivers have to do the
* actual buffer swap.
*/
- _EGLContext *context = _eglGetCurrentContext();
_EGLSurface *surface = _eglLookupSurface(draw);
- if (context && context->DrawSurface != surface) {
- _eglError(EGL_BAD_SURFACE, "eglSwapBuffers");
- return EGL_FALSE;
- }
if (surface == NULL) {
_eglError(EGL_BAD_SURFACE, "eglSwapBuffers");
return EGL_FALSE;
case EGL_CONFIG_ID:
*value = GET_CONFIG_ATTRIB(surface->Config, EGL_CONFIG_ID);
return EGL_TRUE;
- /*XXX case EGL_LARGEST_PBUFFER:*/
+ case EGL_LARGEST_PBUFFER:
+ *value = drv->LargestPbuffer;
+ return EGL_TRUE;
case EGL_SURFACE_TYPE:
*value = surface->Type;
return EGL_TRUE;
* Default fallback routine - drivers might override this.
*/
EGLBoolean
-_eglSurfaceAttrib(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surf, EGLint attribute, EGLint value)
+_eglSurfaceAttrib(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surf,
+ EGLint attribute, EGLint value)
{
_EGLSurface *surface = _eglLookupSurface(surf);
EGLBoolean
-_eglBindTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint buffer)
+_eglBindTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surf,
+ EGLint buffer)
{
- /* XXX unfinished */
- return EGL_FALSE;
+ /* Just do basic error checking and return success/fail.
+ * Drivers must implement the real stuff.
+ */
+ _EGLSurface *surface = _eglLookupSurface(surf);
+
+ if (!surface || surface->Type != EGL_PBUFFER_BIT) {
+ _eglError(EGL_BAD_SURFACE, "eglBindTexImage");
+ return EGL_FALSE;
+ }
+
+ if (surface->TextureFormat == EGL_NO_TEXTURE) {
+ _eglError(EGL_BAD_MATCH, "eglBindTexImage");
+ return EGL_FALSE;
+ }
+
+ if (buffer != EGL_BACK_BUFFER) {
+ _eglError(EGL_BAD_PARAMETER, "eglBindTexImage");
+ return EGL_FALSE;
+ }
+
+ surface->BoundToTexture = EGL_TRUE;
+
+ return EGL_TRUE;
}
EGLBoolean
-_eglReleaseTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint buffer)
+_eglReleaseTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surf,
+ EGLint buffer)
{
- /* XXX unfinished */
- return EGL_FALSE;
+ /* Just do basic error checking and return success/fail.
+ * Drivers must implement the real stuff.
+ */
+ _EGLSurface *surface = _eglLookupSurface(surf);
+
+ if (!surface || surface->Type != EGL_PBUFFER_BIT) {
+ _eglError(EGL_BAD_SURFACE, "eglBindTexImage");
+ return EGL_FALSE;
+ }
+
+ if (surface->TextureFormat == EGL_NO_TEXTURE) {
+ _eglError(EGL_BAD_MATCH, "eglBindTexImage");
+ return EGL_FALSE;
+ }
+
+ if (buffer != EGL_BACK_BUFFER) {
+ _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage");
+ return EGL_FALSE;
+ }
+
+ if (!surface->BoundToTexture) {
+ _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage");
+ return EGL_FALSE;
+ }
+
+ surface->BoundToTexture = EGL_FALSE;
+
+ return EGL_TRUE;
}