Hacky D2Q9 BGK LBM on GPU using GLSL compute shaders

Improvised on top of computicles's scaffolding.

Works in a world where _works_ is defined as "displays stuff on screen that invokes thoughts of fluid movement".

1 files changed, 32 insertions, 0 deletions

diff --git a/src/shader/wrap/compute_shader.h b/src/shader/wrap/compute_shader.h
new file mode 100644
index 0000000..74c8270
--- /dev/null
+++ b/src/shader/wrap/compute_shader.h
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <string>
+
+#include <GL/glew.h>
+
+class ComputeShader {
+private:
+	const GLuint _id;
+
+	bool _good;
+
+public:
+	struct Guard {
+		const GLuint _id;
+
+		Guard(GLuint id);
+		~Guard();
+	};
+
+	Guard use() const;
+
+	ComputeShader(const std::string& src);
+	~ComputeShader();
+
+	bool isGood() const;
+
+	GLuint setUniform(const std::string& name, float x, float y) const;
+
+	void workOn(GLuint bufferA, GLuint bufferB, GLuint bufferC) const;
+	void dispatch() const;
+};