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authorDrew DeVault <sir@cmpwn.com>2017-06-15 15:31:13 -0400
committerDrew DeVault <sir@cmpwn.com>2017-06-15 15:31:13 -0400
commit2443a070e75e33285b6d5ed0ce89c989956b9065 (patch)
tree1ae59cb449eb6e1dc212e60dbb9d33545735cd6f /example
parent4a9966b1a47d497ccc9473a24ba56b3d0eef72d2 (diff)
Add colored quad and ellipse rendering primitives
Diffstat (limited to 'example')
-rw-r--r--example/CMakeLists.txt12
-rw-r--r--example/tablet.c63
2 files changed, 75 insertions, 0 deletions
diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index a6085392..fff2e49b 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -53,3 +53,15 @@ target_link_libraries(touch
wlr-render
${XKBCOMMON_LIBRARIES}
)
+
+add_executable(tablet
+ tablet.c
+ shared.c
+)
+
+target_link_libraries(tablet
+ wlr-backend
+ wlr-session
+ wlr-render
+ ${XKBCOMMON_LIBRARIES}
+)
diff --git a/example/tablet.c b/example/tablet.c
new file mode 100644
index 00000000..9a498438
--- /dev/null
+++ b/example/tablet.c
@@ -0,0 +1,63 @@
+#define _POSIX_C_SOURCE 199309L
+#define _XOPEN_SOURCE 500
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <string.h>
+#include <unistd.h>
+#include <wayland-server.h>
+#include <wayland-server-protocol.h>
+#include <xkbcommon/xkbcommon.h>
+#include <GLES3/gl3.h>
+#include <wlr/render/matrix.h>
+#include <wlr/render/gles3.h>
+#include <wlr/render.h>
+#include <wlr/backend.h>
+#include <wlr/session.h>
+#include <wlr/types.h>
+#include <math.h>
+#include "shared.h"
+#include "cat.h"
+
+struct sample_state {
+ struct wlr_renderer *renderer;
+};
+
+static void handle_output_frame(struct output_state *output, struct timespec *ts) {
+ struct compositor_state *state = output->compositor;
+ struct sample_state *sample = state->data;
+ struct wlr_output *wlr_output = output->output;
+
+ wlr_renderer_begin(sample->renderer, wlr_output);
+
+ float matrix[16];
+ float color[4] = { 0, 1.0, 0, 1.0 };
+ wlr_matrix_scale(&matrix, 128, 128, 1);
+ wlr_matrix_mul(&wlr_output->transform_matrix, &matrix, &matrix);
+ wlr_render_colored_ellipse(sample->renderer, &color, &matrix);
+
+ wlr_renderer_end(sample->renderer);
+}
+
+static void handle_keyboard_key(struct keyboard_state *kbstate,
+ xkb_keysym_t sym, enum wlr_key_state key_state) {
+ if (sym == XKB_KEY_Escape) {
+ kbstate->compositor->exit = true;
+ }
+}
+
+int main(int argc, char *argv[]) {
+ struct sample_state state = { 0 };
+ struct compositor_state compositor;
+
+ compositor_init(&compositor);
+ compositor.output_frame_cb = handle_output_frame;
+ compositor.keyboard_key_cb = handle_keyboard_key;
+
+ state.renderer = wlr_gles3_renderer_init();
+
+ compositor.data = &state;
+ compositor_run(&compositor);
+
+ wlr_renderer_destroy(state.renderer);
+}