Hideously useless buffer perf optimization.

[ipdf/code.git] / src / graphicsbuffer.h

diff --git a/src/graphicsbuffer.h b/src/graphicsbuffer.h
index d74d344..47534c9 100644 (file)
--- a/src/graphicsbuffer.h
+++ b/src/graphicsbuffer.h
@@ -9,7 +9,7 @@
 namespace IPDF
 {
        /*
 namespace IPDF
 {
        /*

-        * The "Screen" class handles managing the OS window (using SDL2).
+        * Implementation of an OpenGL buffer, with some extra cleverness.

         */
        class GraphicsBuffer
        {
         */
        class GraphicsBuffer
        {


@@ -53,15 +53,19 @@ namespace IPDF
 
                void Resize(size_t length);
                const size_t GetSize() const { return m_buffer_size; }
 
                void Resize(size_t length);
                const size_t GetSize() const { return m_buffer_size; }

+
+               void Invalidate();

                
                void Bind();
        private:
                
                void Bind();
        private:

+               void RecreateBuffer();

                GLuint m_buffer_handle;
                BufferType m_buffer_type;
                BufferUsage m_buffer_usage;
                void *m_map_pointer;
                size_t m_buffer_size;
                bool m_invalidated;
                GLuint m_buffer_handle;
                BufferType m_buffer_type;
                BufferUsage m_buffer_usage;
                void *m_map_pointer;
                size_t m_buffer_size;
                bool m_invalidated;

+               bool m_buffer_shape_dirty;

        };
 
 }
        };
 
 }