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-rw-r--r--test/meson.build1
-rw-r--r--test/test_gl.c120
2 files changed, 121 insertions, 0 deletions
diff --git a/test/meson.build b/test/meson.build
index c650e5c..de4bd71 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -19,6 +19,7 @@ cairo_tests = [
]
gl_tests = [
+ 'gl',
'gl_hints'
]
diff --git a/test/test_gl.c b/test/test_gl.c
new file mode 100644
index 0000000..297f81c
--- /dev/null
+++ b/test/test_gl.c
@@ -0,0 +1,120 @@
+/*
+ Copyright 2021 David Robillard <d@drobilla.net>
+
+ Permission to use, copy, modify, and/or distribute this software for any
+ purpose with or without fee is hereby granted, provided that the above
+ copyright notice and this permission notice appear in all copies.
+
+ THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+// Tests basic OpenGL support
+
+#undef NDEBUG
+
+#include "test_utils.h"
+
+#include "pugl/gl.h"
+#include "pugl/pugl.h"
+
+#include <assert.h>
+#include <stdbool.h>
+
+typedef struct {
+ PuglWorld* world;
+ PuglView* view;
+ PuglTestOptions opts;
+ bool exposed;
+} PuglTest;
+
+static void
+onConfigure(PuglView* const view, const PuglEventConfigure* const event)
+{
+ (void)view;
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+ glViewport(0, 0, (int)event->width, (int)event->height);
+}
+
+static void
+onExpose(PuglView* const view, const PuglEventExpose* const event)
+{
+ (void)view;
+ (void)event;
+
+ glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
+ glClear(GL_COLOR_BUFFER_BIT);
+}
+
+static PuglStatus
+onEvent(PuglView* const view, const PuglEvent* const event)
+{
+ PuglTest* const test = (PuglTest*)puglGetHandle(view);
+
+ if (test->opts.verbose) {
+ printEvent(event, "Event: ", true);
+ }
+
+ switch (event->type) {
+ case PUGL_CONFIGURE:
+ onConfigure(view, &event->configure);
+ break;
+
+ case PUGL_EXPOSE:
+ onExpose(view, &event->expose);
+ test->exposed = true;
+ break;
+
+ default:
+ break;
+ }
+
+ return PUGL_SUCCESS;
+}
+
+int
+main(int argc, char** argv)
+{
+ PuglWorld* const world = puglNewWorld(PUGL_PROGRAM, 0);
+ PuglView* const view = puglNewView(world);
+ const PuglTestOptions opts = puglParseTestOptions(&argc, &argv);
+ PuglTest test = {world, view, opts, false};
+
+ // Set up and show view
+ puglSetClassName(test.world, "Pugl OpenGL Test");
+ puglSetHandle(test.view, &test);
+ puglSetBackend(test.view, puglGlBackend());
+ puglSetEventFunc(test.view, onEvent);
+ puglSetDefaultSize(test.view, 512, 512);
+ puglShow(test.view);
+
+ // Enter OpenGL context as if setting things up
+ puglEnterContext(test.view);
+
+ const PuglGlFunc createProgram = puglGetProcAddress("glCreateProgram");
+ assert(createProgram);
+
+ puglLeaveContext(test.view);
+
+ // Drive event loop until the view gets exposed
+ while (!test.exposed) {
+ puglUpdate(test.world, -1.0);
+ }
+
+ // Tear down
+ puglFreeView(test.view);
+ puglFreeWorld(test.world);
+
+ return 0;
+}