test: Add test for egl-surface-source

This test file attempts to use a EGL backend surface as a source
surface for all other backends.

Signed-off-by: Ravi Nanjundappa <nravi.n@samsung.com>

test/Makefile.sources

@@ -403,7 +403,8 @@ gl_surface_test_sources = \
 	gl-surface-source.c
 
 egl_surface_test_sources = \
-       egl-oversized-surface.c
+       egl-oversized-surface.c \
+       egl-surface-source.c
 
 quartz_surface_test_sources = quartz-surface-source.c
 

test/egl-surface-source.c

@@ -0,0 +1,135 @@
+/*
+ * Copyright © 2014 Samsung Electronics
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Author: Ravi Nanjundappa <nravi.n@samsung.com>
+ */
+
+/*
+ * This case tests using a EGL surface as the source
+ *
+ */
+
+#include "cairo-test.h"
+#include <cairo-gl.h>
+
+#include "surface-source.c"
+
+struct closure {
+    EGLDisplay dpy;
+    EGLContext ctx;
+};
+
+static void
+cleanup (void *data)
+{
+    struct closure *arg = data;
+
+    eglDestroyContext (arg->dpy, arg->ctx);
+    eglMakeCurrent (arg->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+    eglTerminate (arg->dpy);
+
+    free (arg);
+}
+
+static cairo_surface_t *
+create_source_surface (int size)
+{
+    EGLint config_attribs[] = {
+	EGL_RED_SIZE, 8,
+	EGL_GREEN_SIZE, 8,
+	EGL_BLUE_SIZE, 8,
+	EGL_ALPHA_SIZE, 8,
+	EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
+#if CAIRO_HAS_GL_SURFACE
+	EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
+#elif CAIRO_HAS_GLESV2_SURFACE
+	EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+#endif
+	EGL_NONE
+    };
+    const EGLint ctx_attribs[] = {
+#if CAIRO_HAS_GLESV2_SURFACE
+	EGL_CONTEXT_CLIENT_VERSION, 2,
+#endif
+	EGL_NONE
+    };
+
+    struct closure *arg;
+    cairo_device_t *device;
+    cairo_surface_t *surface;
+    EGLConfig config;
+    EGLint numConfigs;
+    EGLDisplay dpy;
+    EGLContext ctx;
+    int major, minor;
+
+    dpy = eglGetDisplay (EGL_DEFAULT_DISPLAY);
+    if (! eglInitialize (dpy, &major, &minor)) {
+	return NULL;
+    }
+
+    eglChooseConfig (dpy, config_attribs, &config, 1, &numConfigs);
+    if (numConfigs == 0) {
+	return NULL;
+    }
+
+#if CAIRO_HAS_GL_SURFACE
+    eglBindAPI (EGL_OPENGL_API);
+#elif CAIRO_HAS_GLESV2_SURFACE
+    eglBindAPI (EGL_OPENGL_ES_API);
+#endif
+
+   ctx = eglCreateContext (dpy, config, EGL_NO_CONTEXT,
+				  ctx_attribs);
+    if (ctx == EGL_NO_CONTEXT) {
+	eglTerminate (dpy);
+	return NULL;
+    }
+
+    arg = xmalloc (sizeof (struct closure));
+    arg->dpy = dpy;
+    arg->ctx = ctx;
+    device = cairo_egl_device_create (dpy, ctx);
+    if (cairo_device_set_user_data (device,
+				    (cairo_user_data_key_t *) cleanup,
+				    arg,
+				    cleanup))
+    {
+	cleanup (arg);
+	return NULL;
+    }
+
+    surface = cairo_gl_surface_create (device,
+				       CAIRO_CONTENT_COLOR_ALPHA,
+				       size, size);
+    cairo_device_destroy (device);
+
+    return surface;
+}
+
+CAIRO_TEST (egl_surface_source,
+	    "Test using a EGL surface as the source",
+	    "source", /* keywords */
+	    NULL, /* requirements */
+	    SIZE, SIZE,
+	    preamble, draw)