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authorKristian Høgsberg <krh@bitplanet.net>2010-06-04 14:28:59 -0400
committerKristian Høgsberg <krh@bitplanet.net>2010-08-25 09:17:47 -0400
commitb7a8893a2413adfddf4dc836676a19463fb6ffd7 (patch)
treeea03799b61f31600f49601c27bbe40ce8a18d9b1 /src/egl
parent29bcbf5e797a18430285c75abb8a9300c8defe1d (diff)
egl: Add EGL_MESA_drm_image extension
Create EGLImages from DRM buffer handles.
Diffstat (limited to 'src/egl')
-rw-r--r--src/egl/main/eglapi.c43
-rw-r--r--src/egl/main/eglapi.h10
-rw-r--r--src/egl/main/egldisplay.h1
-rw-r--r--src/egl/main/eglmisc.c1
4 files changed, 55 insertions, 0 deletions
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index c62459ec6fb..31c5419bbc3 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -894,6 +894,10 @@ eglGetProcAddress(const char *procname)
#ifdef EGL_NOK_swap_region
{ "eglSwapBuffersRegionNOK", (_EGLProc) eglSwapBuffersRegionNOK },
#endif
+#ifdef EGL_MESA_drm_image
+ { "eglCreateDRMImageMESA", (_EGLProc) eglCreateDRMImageMESA },
+ { "eglExportDRMImageMESA", (_EGLProc) eglExportDRMImageMESA },
+#endif
{ NULL, NULL }
};
EGLint i;
@@ -1416,3 +1420,42 @@ eglSwapBuffersRegionNOK(EGLDisplay dpy, EGLSurface surface,
}
#endif /* EGL_NOK_swap_region */
+
+
+#ifdef EGL_MESA_drm_image
+
+EGLImageKHR EGLAPIENTRY
+eglCreateDRMImageMESA(EGLDisplay dpy, const EGLint *attr_list)
+{
+ _EGLDisplay *disp = _eglLockDisplay(dpy);
+ _EGLDriver *drv;
+ _EGLImage *img;
+ EGLImageKHR ret;
+
+ _EGL_CHECK_DISPLAY(disp, EGL_NO_IMAGE_KHR, drv);
+
+ img = drv->API.CreateDRMImageMESA(drv, disp, attr_list);
+ ret = (img) ? _eglLinkImage(img, disp) : EGL_NO_IMAGE_KHR;
+
+ RETURN_EGL_EVAL(disp, ret);
+}
+
+EGLBoolean EGLAPIENTRY
+eglExportDRMImageMESA(EGLDisplay dpy, EGLImageKHR image,
+ EGLint *name, EGLint *handle, EGLint *stride)
+{
+ _EGLDisplay *disp = _eglLockDisplay(dpy);
+ _EGLImage *img = _eglLookupImage(image, disp);
+ _EGLDriver *drv;
+ EGLBoolean ret;
+
+ _EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
+ if (!img)
+ RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
+
+ ret = drv->API.ExportDRMImageMESA(drv, disp, img, name, handle, stride);
+
+ RETURN_EGL_EVAL(disp, ret);
+}
+
+#endif
diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h
index 5045a9a272f..127becc9acd 100644
--- a/src/egl/main/eglapi.h
+++ b/src/egl/main/eglapi.h
@@ -90,6 +90,11 @@ typedef EGLBoolean (*GetSyncAttribKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGL
typedef EGLBoolean (*SwapBuffersRegionNOK_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, EGLint numRects, const EGLint *rects);
#endif
+#ifdef EGL_MESA_drm_image
+typedef _EGLImage *(*CreateDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, const EGLint *attr_list);
+typedef EGLBoolean (*ExportDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img, EGLint *name, EGLint *handle, EGLint *stride);
+#endif
+
/**
* The API dispatcher jumps through these functions
*/
@@ -159,6 +164,11 @@ struct _egl_api
#ifdef EGL_NOK_swap_region
SwapBuffersRegionNOK_t SwapBuffersRegionNOK;
#endif
+
+#ifdef EGL_MESA_drm_image
+ CreateDRMImageMESA_t CreateDRMImageMESA;
+ ExportDRMImageMESA_t ExportDRMImageMESA;
+#endif
};
#endif /* EGLAPI_INCLUDED */
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index 97c9d196ec4..3863cce0108 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -54,6 +54,7 @@ struct _egl_extensions
EGLBoolean MESA_screen_surface;
EGLBoolean MESA_copy_context;
EGLBoolean MESA_drm_display;
+ EGLBoolean MESA_drm_image;
EGLBoolean KHR_image_base;
EGLBoolean KHR_image_pixmap;
diff --git a/src/egl/main/eglmisc.c b/src/egl/main/eglmisc.c
index b10783bcb96..eb3dde1fb48 100644
--- a/src/egl/main/eglmisc.c
+++ b/src/egl/main/eglmisc.c
@@ -85,6 +85,7 @@ _eglUpdateExtensionsString(_EGLDisplay *dpy)
_EGL_CHECK_EXTENSION(MESA_screen_surface);
_EGL_CHECK_EXTENSION(MESA_copy_context);
_EGL_CHECK_EXTENSION(MESA_drm_display);
+ _EGL_CHECK_EXTENSION(MESA_drm_image);
_EGL_CHECK_EXTENSION(KHR_image_base);
_EGL_CHECK_EXTENSION(KHR_image_pixmap);