fixed shader manager, added it

[demo] / src / shader_manager.cc

diff --git a/src/shader_manager.cc b/src/shader_manager.cc
new file mode 100644 (file)
index 0000000..2b683d6
--- /dev/null
+++ b/src/shader_manager.cc
@@ -0,0 +1,48 @@
+#include <map>
+
+#include "shader_manager.h"
+#include "opengl/shader-gl.h"
+
+extern bool use_vulkan;
+
+ShaderManager::ShaderManager() {}
+ShaderManager::~ShaderManager() {}
+
+void ShaderManager::add_shader(Shader *sdr, const char *name)
+{
+       shaders[name] = sdr;
+}
+
+Shader *ShaderManager::load_shader(const char *name, SType type)
+{
+       std::map<std::string, Shader*>::const_iterator it;
+       it = shaders.find(name);
+
+       if(it != shaders.end()) {
+               return it->second;
+       }
+
+       Shader* sdr;
+       if(use_vulkan) {
+       //      sdr = new ShaderVK;
+       }
+       else {
+               sdr = new ShaderGL;
+       }
+
+       if(!sdr->load(name, type)) {
+               delete sdr;
+               return 0;
+       }
+
+       add_shader(sdr, name);
+       return sdr;
+}
+
+void ShaderManager::delete_shaders()
+{
+       std::map<std::string, Shader *>::iterator it;
+       for(it=shaders.begin(); it != shaders.end(); it++) {
+               delete it->second;
+       }
+}
\ No newline at end of file