working on atlas and text rendering

1 files changed, 23 insertions, 0 deletions

diff --git a/src/atlas.h b/src/atlas.h
new file mode 100644
index 0000000..be10c3b
--- /dev/null
+++ b/src/atlas.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "sokol_gfx.h"
+#include "utils.h"
+
+enum atlas_error_e : u8 {
+  ATLAS_ERROR_NONE = 0,
+  ATLAS_ERROR_GPU_ATLAS,
+  ATLAS_ERROR_ATLAS_FULL,
+  ATLAS_ERROR_UPLOAD_FAILED,
+};
+
+struct atlas_s {
+  u32 width, height;
+  struct sg_image gpu_atlas;
+  u8* cpu_atlas;
+  bool cpu_dirty;
+};
+
+enum atlas_error_e wayc_atlas_init(struct atlas_s* atlas, u32 width, u32 height,
+                                   enum sg_pixel_format format);
+enum atlas_error_e wayc_atlas_flush(struct atlas_s* atlas);
+void wayc_atlas_deinit(struct atlas_s* atlas);