From f728e4c8d202de241673a13ce61570b6acb4bba7 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Fri, 25 May 2018 23:47:27 +0200
Subject: Restructure source directory

---
 src/shader/wrap/compute_shader.h | 47 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 src/shader/wrap/compute_shader.h

(limited to 'src/shader/wrap/compute_shader.h')

diff --git a/src/shader/wrap/compute_shader.h b/src/shader/wrap/compute_shader.h
new file mode 100644
index 0000000..9f5c5cb
--- /dev/null
+++ b/src/shader/wrap/compute_shader.h
@@ -0,0 +1,47 @@
+#pragma once
+
+#include "util.h"
+
+class ComputeShader {
+private:
+	const GLuint _id;
+
+public:
+	struct Guard {
+		const GLuint _id;
+
+		Guard(GLuint id): _id(id) {
+			glUseProgram(_id);
+		}
+		~Guard() {
+			glUseProgram(0);
+		}
+	};
+
+	Guard use() const {
+		return Guard(_id);
+	}
+
+	ComputeShader(const std::string& src):
+		_id(glCreateProgram()) {
+		glAttachShader(_id, util::compileShader(src, GL_COMPUTE_SHADER));
+		glLinkProgram(_id);
+	};
+	~ComputeShader() {
+		glDeleteProgram(_id);
+	}
+
+	GLuint setUniform(const std::string& name, float x, float y) const {
+		GLuint id = util::getUniform(_id, name);
+		glUniform2f(id, x, y);
+		return id;
+	}
+
+	void workOn(GLuint buffer) const {
+		glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, buffer);
+	}
+
+	void dispatch(std::size_t dimX) const {
+		glDispatchCompute(dimX, 1, 1);
+	}
+};
-- 
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