diff options
Diffstat (limited to 'src/egl/main/eglimage.c')
-rw-r--r-- | src/egl/main/eglimage.c | 90 |
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 00000000000..5732ef35ecd --- /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 */ |