egl: Add checks for EGL_MESA_screen_surface.
This allows Mesa EGL to be compiled with eglext.h that does not define
EGL_MESA_screen_surface.
diff --git a/src/egl/main/eglsurface.c b/src/egl/main/eglsurface.c
index d46bdb0..52f5c24 100644
--- a/src/egl/main/eglsurface.c
+++ b/src/egl/main/eglsurface.c
@@ -30,6 +30,50 @@
}
+#ifdef EGL_MESA_screen_surface
+static EGLint
+_eglParseScreenSurfaceAttribList(_EGLSurface *surf, const EGLint *attrib_list)
+{
+ EGLint i, err = EGL_SUCCESS;
+
+ if (!attrib_list)
+ return EGL_SUCCESS;
+
+ for (i = 0; attrib_list[i] != EGL_NONE; i++) {
+ EGLint attr = attrib_list[i++];
+ EGLint val = attrib_list[i];
+
+ switch (attr) {
+ case EGL_WIDTH:
+ if (val < 0) {
+ err = EGL_BAD_PARAMETER;
+ break;
+ }
+ surf->Width = val;
+ break;
+ case EGL_HEIGHT:
+ if (val < 0) {
+ err = EGL_BAD_PARAMETER;
+ break;
+ }
+ surf->Height = val;
+ break;
+ default:
+ err = EGL_BAD_ATTRIBUTE;
+ break;
+ }
+
+ if (err != EGL_SUCCESS) {
+ _eglLog(_EGL_WARNING, "bad surface attribute 0x%04x", attr);
+ break;
+ }
+ }
+
+ return err;
+}
+#endif /* EGL_MESA_screen_surface */
+
+
/**
* Parse the list of surface attributes and return the proper error code.
*/
@@ -44,6 +88,11 @@
if (!attrib_list)
return EGL_SUCCESS;
+#ifdef EGL_MESA_screen_surface
+ if (type == EGL_SCREEN_BIT_MESA)
+ return _eglParseScreenSurfaceAttribList(surf, attrib_list);
+#endif
+
if (dpy->Extensions.NOK_texture_from_pixmap)
texture_type |= EGL_PIXMAP_BIT;
@@ -52,12 +101,8 @@
EGLint val = attrib_list[i];
switch (attr) {
- /* common (except for screen surfaces) attributes */
+ /* common attributes */
case EGL_VG_COLORSPACE:
- if (type == EGL_SCREEN_BIT_MESA) {
- err = EGL_BAD_ATTRIBUTE;
- break;
- }
switch (val) {
case EGL_VG_COLORSPACE_sRGB:
case EGL_VG_COLORSPACE_LINEAR:
@@ -71,10 +116,6 @@
surf->VGColorspace = val;
break;
case EGL_VG_ALPHA_FORMAT:
- if (type == EGL_SCREEN_BIT_MESA) {
- err = EGL_BAD_ATTRIBUTE;
- break;
- }
switch (val) {
case EGL_VG_ALPHA_FORMAT_NONPRE:
case EGL_VG_ALPHA_FORMAT_PRE:
@@ -101,7 +142,7 @@
break;
/* pbuffer surface attributes */
case EGL_WIDTH:
- if (type != EGL_PBUFFER_BIT && type != EGL_SCREEN_BIT_MESA) {
+ if (type != EGL_PBUFFER_BIT) {
err = EGL_BAD_ATTRIBUTE;
break;
}
@@ -112,7 +153,7 @@
surf->Width = val;
break;
case EGL_HEIGHT:
- if (type != EGL_PBUFFER_BIT && type != EGL_SCREEN_BIT_MESA) {
+ if (type != EGL_PBUFFER_BIT) {
err = EGL_BAD_ATTRIBUTE;
break;
}
@@ -129,6 +170,7 @@
}
surf->LargestPbuffer = !!val;
break;
+ /* for eglBindTexImage */
case EGL_TEXTURE_FORMAT:
if (!(type & texture_type)) {
err = EGL_BAD_ATTRIBUTE;
@@ -210,10 +252,12 @@
case EGL_PBUFFER_BIT:
func = "eglCreatePBufferSurface";
break;
+#ifdef EGL_MESA_screen_surface
case EGL_SCREEN_BIT_MESA:
func = "eglCreateScreenSurface";
renderBuffer = EGL_SINGLE_BUFFER; /* XXX correct? */
break;
+#endif
default:
_eglLog(_EGL_WARNING, "Bad type in _eglInitSurface");
return EGL_FALSE;