From 34052b51e00c939a35294d7085cadb5111484dd3 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sat, 26 May 2018 13:20:47 +0200
Subject: Separate headers into compilation units

---
 src/shader/wrap/compute_shader.cc | 40 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/shader/wrap/compute_shader.cc

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

diff --git a/src/shader/wrap/compute_shader.cc b/src/shader/wrap/compute_shader.cc
new file mode 100644
index 0000000..97ce52a
--- /dev/null
+++ b/src/shader/wrap/compute_shader.cc
@@ -0,0 +1,40 @@
+#include "compute_shader.h"
+
+#include "shader/util.h"
+
+ComputeShader::Guard::Guard(GLuint id):
+	_id(id) {
+	glUseProgram(_id);
+}
+
+ComputeShader::Guard::~Guard() {
+	glUseProgram(0);
+}
+
+ComputeShader::Guard ComputeShader::use() const {
+	return Guard(_id);
+}
+
+ComputeShader::ComputeShader(const std::string& src):
+	_id(glCreateProgram()) {
+	glAttachShader(_id, util::compileShader(src, GL_COMPUTE_SHADER));
+	glLinkProgram(_id);
+}
+
+ComputeShader::~ComputeShader() {
+	glDeleteProgram(_id);
+}
+
+GLuint ComputeShader::setUniform(const std::string& name, float x, float y) const {
+	GLuint id = util::getUniform(_id, name);
+	glUniform2f(id, x, y);
+	return id;
+}
+
+void ComputeShader::workOn(GLuint buffer) const {
+	glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, buffer);
+}
+
+void ComputeShader::dispatch(std::size_t dimX) const {
+	glDispatchCompute(dimX, 1, 1);
+}
-- 
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