Uniform buffer objects (#1127)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/mbgl/gl/uniform_buffer_gl.cpp

@@ -0,0 +1,20 @@
+
+#include <mbgl/gl/uniform_buffer_gl.hpp>
+#include <mbgl/gl/defines.hpp>
+#include <mbgl/platform/gl_functions.hpp>
+
+namespace mbgl {
+namespace gl {
+
+using namespace platform;
+
+UniformBufferGL::UniformBufferGL(const void* data, std::size_t size_)
+    : UniformBuffer(size_) {
+    MBGL_CHECK_ERROR(glGenBuffers(1, &id));
+    MBGL_CHECK_ERROR(glBindBuffer(GL_UNIFORM_BUFFER, id));
+    MBGL_CHECK_ERROR(glBufferData(GL_UNIFORM_BUFFER, size, data, GL_STATIC_DRAW));
+    MBGL_CHECK_ERROR(glBindBuffer(GL_UNIFORM_BUFFER, 0));
+}
+
+} // namespace gl
+} // namespace mbgl