1 files changed, 104 insertions, 0 deletions
diff --git a/video.hpp b/video.hpp
new file mode 100644
index 0000000..6878d77
--- /dev/null
+++ b/video.hpp
@@ -0,0 +1,104 @@
+#ifndef video_hpp
+#define video_hpp
+
+#include <stdint.h>
+
+struct App;
+struct Arena;
+struct Heap;
+
+typedef uint32_t Texture_Id;
+typedef uint32_t Buffer_Id;
+
+struct Pipeline {
+
+};
+
+struct Colour {
+	uint8_t r, g, b, a;
+};
+
+struct Render_Pass {
+	Texture_Id target;
+	Colour clear;
+
+	bool operator==(const Render_Pass& other) const {
+		int size = sizeof *this, i;
+		uint8_t* bba = (uint8_t*)this;
+		uint8_t* bbb = (uint8_t*)&other;
+		for (i = 0; i < size; i++)
+			if (*bba != *bbb) return false;
+		return true;
+	}
+};
+
+struct Draw {
+
+};
+
+struct Pipeline_Builder {
+	Arena* arena;
+	Render_Pass* pass;
+
+	Pipeline_Builder(Arena* arena);
+
+	void begin_rp();
+	void rp_target(Texture_Id id, Colour clear_colour);
+	Render_Pass& build_rp();
+	void validate_rp();
+};
+
+struct Texture {
+	int w, h;
+	bool alias;
+};
+
+struct Context;
+struct Shader;
+struct Device {
+	Arena* arena;
+	Heap* heap;
+	App* app;
+
+	static Device* create(Arena* a, App* ap);
+	void init(Arena* a, App* ap);
+	void destroy();
+
+	void on_resize();
+
+	void begin_frame();
+	void submit(Context& ctx);
+	void present();
+
+	Context& acquire();
+	Context& get_ctx();
+	Texture_Id get_backbuffer();
+	Texture& get_texture(Texture_Id id);
+	void destroy_texture(Texture_Id id);
+
+	Shader* load_shader(const char* fname);
+};
+
+struct Context {
+	void wait(Device& d);
+	void submit(
+		Device& d,
+		const Draw& draw,
+		const Pipeline& p,
+		const Render_Pass& rp
+	);
+	void submit(
+		Device& d,
+		const Draw* draws,
+		int count,
+		const Pipeline& p,
+		const Render_Pass& rp
+	);
+	void submit(Device& d, const Render_Pass& rp);
+};
+
+struct Shader {
+	void destroy(Device* dev);
+};
+
+#endif