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-rw-r--r--src/egl/main/eglimage.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/src/egl/main/eglimage.c b/src/egl/main/eglimage.c
new file mode 100644
index 0000000000..5732ef35ec
--- /dev/null
+++ b/src/egl/main/eglimage.c
@@ -0,0 +1,90 @@
+#include <assert.h>
+#include <string.h>
+
+#include "eglimage.h"
+#include "eglcurrent.h"
+#include "egllog.h"
+
+
+#ifdef EGL_KHR_image_base
+
+
+/**
+ * Parse the list of image attributes and return the proper error code.
+ */
+static EGLint
+_eglParseImageAttribList(_EGLImage *img, 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_IMAGE_PRESERVED_KHR:
+ img->Preserved = val;
+ break;
+ case EGL_GL_TEXTURE_LEVEL_KHR:
+ img->GLTextureLevel = val;
+ break;
+ case EGL_GL_TEXTURE_ZOFFSET_KHR:
+ img->GLTextureZOffset = val;
+ break;
+ default:
+ /* unknown attrs are ignored */
+ break;
+ }
+
+ if (err != EGL_SUCCESS) {
+ _eglLog(_EGL_DEBUG, "bad image attribute 0x%04x", attr);
+ break;
+ }
+ }
+
+ return err;
+}
+
+
+EGLBoolean
+_eglInitImage(_EGLImage *img, _EGLDisplay *dpy, const EGLint *attrib_list)
+{
+ EGLint err;
+
+ memset(img, 0, sizeof(_EGLImage));
+ img->Resource.Display = dpy;
+
+ img->Preserved = EGL_FALSE;
+ img->GLTextureLevel = 0;
+ img->GLTextureZOffset = 0;
+
+ err = _eglParseImageAttribList(img, attrib_list);
+ if (err != EGL_SUCCESS)
+ return _eglError(err, "eglCreateImageKHR");
+
+ return EGL_TRUE;
+}
+
+
+_EGLImage *
+_eglCreateImageKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
+ EGLenum target, EGLClientBuffer buffer,
+ const EGLint *attr_list)
+{
+ /* driver should override this function */
+ return NULL;
+}
+
+
+EGLBoolean
+_eglDestroyImageKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *image)
+{
+ /* driver should override this function */
+ return EGL_FALSE;
+}
+
+
+#endif /* EGL_KHR_image_base */