pke: checkpoint: vk renames + first-pass ui

Renamed pipeline and descriptor names to be more
self-descriptive.

UI work is not done, and will not record.
Needs vulkan items created (buffers).

1 files changed, 62 insertions, 0 deletions

diff --git a/src/static-ui.hpp b/src/static-ui.hpp
index b0bf98c..185b218 100644
--- a/src/static-ui.hpp
+++ b/src/static-ui.hpp
@@ -1,6 +1,9 @@
 #ifndef PKE_STATIC_UI_HPP
 #define PKE_STATIC_UI_HPP
 
+#include "components-vk.hpp"
+#include <cstdint>
+
 struct MSDFGlyphSettings {
 	float width;
 	float height;
@@ -9,4 +12,63 @@ struct MSDFGlyphSettings {
 	float range_em;
 };
 
+enum PKE_UI_BOX_FLAGS : uint64_t {
+	PKE_UI_BOX_FLAG_NONE    = 0,
+	// position type [0-1]
+	// exact screen coordinates
+	PKE_UI_BOX_FLAG_POSITION_TYPE_STATIC                = (1 <<  0),
+	PKE_UI_BOX_FLAG_POSITION_TYPE_DYNAMIC               = (1 <<  1),
+	PKE_UI_BOX_FLAG_POSITION_TYPE_BOTH                  = (1 <<  0) | (1 <<  1),
+	// grow [2-3]
+	PKE_UI_BOX_FLAG_GROW_HORIZONTAL                     = (1 <<  2),
+	PKE_UI_BOX_FLAG_GROW_VERTICAL                       = (1 <<  3),
+	PKE_UI_BOX_FLAG_GROW_BOTH                           = (1 <<  2) | (1 <<  3),
+	// center [4-5]
+	PKE_UI_BOX_FLAG_CENTER_HORIZONTAL                   = (1 <<  4),
+	PKE_UI_BOX_FLAG_CENTER_VERTICAL                     = (1 <<  5),
+	PKE_UI_BOX_FLAG_CENTER_BOTH                         = (1 <<  4) | (1 <<  5),
+};
+
+typedef uint16_t pke_ui_box_count_T;
+
+struct pke_ui_box;
+
+struct pke_ui_box {
+	PKE_UI_BOX_FLAGS flags;
+	float pos_top_left_x, pos_top_left_y;
+	float max_width, max_height;
+	uint8_t layer;
+	struct pke_ui_box_internals {
+		float px_corner_x, px_corner_y;
+		float px_width, px_height;
+		float px_offset_x, px_offset_y;
+		pke_ui_box *parent;
+		pke_ui_box **children;
+		pke_ui_box_count_T h_children;
+		pke_ui_box_count_T r_children;
+	} internal;
+};
+
+struct pke_ui_graphics_bindings {
+	VkDeviceMemory deviceMemoryVert = VK_NULL_HANDLE;
+	VkDeviceMemory deviceMemoryInst = VK_NULL_HANDLE;
+	BufferBindingDetails bd_vertex;
+	BufferBindingDetails bd_uv;
+	BufferBindingDetails bd_index;
+	BufferBindingDetails bd_instance;
+	uint32_t index_count;
+	uint32_t instance_counter;
+	uint32_t instance_buffer_max_count;
+};
+
+void pke_ui_init();
+void pke_ui_init_bindings();
+void pke_ui_tick(double delta);
+void pke_ui_teardown();
+
+pke_ui_box *pke_ui_box_new_root();
+pke_ui_box *pke_ui_box_new_child(pke_ui_box *parent);
+
+pke_ui_graphics_bindings *pke_ui_get_graphics_bindings();
+
 #endif /* PKE_STATIC_UI_HPP */