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-rw-r--r--src/shader/wrap/compute_shader.cc40
1 files changed, 40 insertions, 0 deletions
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);
+}