Initial commit of basic shadow depth map creation

1 files changed, 21 insertions, 0 deletions

diff --git a/gfx/gl/shadowStenciller.h b/gfx/gl/shadowStenciller.h
new file mode 100644
index 0000000..460fa68
--- /dev/null
+++ b/gfx/gl/shadowStenciller.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#include "config/types.h"
+#include "gfx/gl/program.h"
+#include "gfx/models/mesh.h"
+#include "glArrays.h"
+
+class ShadowStenciller {
+public:
+	ShadowStenciller();
+
+	[[nodiscard]]
+	static glTexture createStencilTexture(GLsizei width, GLsizei height);
+	void renderStencil(const glTexture &, const MeshBase &, const RelativePosition3D & mins,
+			const RelativePosition3D & maxs) const;
+
+private:
+	glFrameBuffer fbo;
+	Program shadowCaster;
+	Program::UniformLocation viewProjectionLoc {shadowCaster, "viewProjection"};
+};