1 files changed, 34 insertions, 0 deletions
diff --git a/src/surface.c b/src/surface.c
new file mode 100644
index 0000000..6253801
--- /dev/null
+++ b/src/surface.c
@@ -0,0 +1,34 @@
+#include "client.h"
+#include "gl.h"
+#include "surface.h"
+
+#undef MAX
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+
+void surface_initialise(struct surface *surface, struct wl_display *wl_display, struct image *texture)
+{
+	egl_create_window(&surface->egl, surface->wl_surface, surface->width, surface->height);
+	egl_create_context(&surface->egl, wl_display);
+	gl_initialise(&surface->gl, texture);
+}
+
+void surface_draw(struct surface *surface, struct color *color, struct image *texture)
+{
+	egl_make_current(&surface->egl);
+	gl_clear(&surface->gl, color);
+
+	if (texture != NULL && texture->buffer != NULL) {
+		double scale = MAX(
+				(double)surface->width / texture->width,
+				(double)surface->height / texture->height
+				);
+		uint32_t width = (uint32_t)(scale * texture->width);
+		uint32_t height = (uint32_t)(scale * texture->height);
+		int32_t x = -((int32_t)width - (int32_t)surface->width) / 2;
+		int32_t y = -((int32_t)height - (int32_t)surface->height) / 2;
+
+		gl_draw_texture(&surface->gl, texture, x, y, width, height);
+	}
+
+	egl_swap_buffers(&surface->egl);
+}