PickingPass now sets state and clear it when done.

PickingState now it's own class so renderer is a bit cleaner.
2015-12-11 11:18:30 +01:00
parent cefc4e5257
commit 91edab34bc
9 changed files with 264 additions and 104 deletions
@@ -0,0 +1,45 @@
+#ifndef PickingPass_h__
+#define PickingPass_h__
+
+#include "IRenderer.h"
+#include "PickingPassState.h"
+#include "FrameBuffer.h"
+#include "ShaderProgram.h"
+#include "Util/UnorderedMapVec2.h"
+
+class PickingPass
+{
+public:
+    PickingPass(IRenderer* renderer);
+    ~PickingPass();
+    void InitializeTextures();
+    void InitializeFrameBuffers();
+    void InitializeShaderPrograms();
+
+    void Draw(RenderQueueCollection& rq);
+
+
+    //Getters
+    const ShaderProgram& PickingProgram() const { return m_PickingProgram; }
+    const std::unordered_map<glm::vec2, EntityID>& PickingColorsToEntity() const { return m_PickingColorsToEntity; }
+    GLuint PickingTexture() const { return m_PickingTexture; }
+    GLuint DepthBuffer() const { return m_DepthBuffer; }
+    const FrameBuffer& PickingBuffer() const { return m_PickingBuffer; }
+
+
+private:
+    void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
+
+    const IRenderer* m_Renderer;
+
+    ShaderProgram m_PickingProgram;
+
+    std::unordered_map<glm::vec2, EntityID> m_PickingColorsToEntity;
+
+    GLuint m_PickingTexture;
+    GLuint m_DepthBuffer;
+
+    FrameBuffer m_PickingBuffer;
+};
+
+#endif