Added glwrapper, which expands the GLStateManager class from tilebuf into a (g)raphics (l)ibrary wrapper. Also updated the makefile to include it when making with GL=y

1 files changed, 44 insertions, 0 deletions

diff --git a/crawl-ref/source/glwrapper.h b/crawl-ref/source/glwrapper.h
new file mode 100644
index 0000000000..7f4a84039f
--- /dev/null
+++ b/crawl-ref/source/glwrapper.h
@@ -0,0 +1,44 @@
+#ifndef GLWRAPPER_H
+#define GLWRAPPER_H
+
+#ifdef USE_TILE
+#ifdef USE_GL
+
+struct GLState
+{
+    GLState();
+
+    // vertex arrays
+    bool array_vertex;
+    bool array_texcoord;
+    bool array_colour;
+
+    // render state
+    bool blend;
+    bool texture;
+    bool depthtest;
+    bool alphatest;
+    unsigned char alpharef;
+};
+
+class GLStateManager
+{
+public:
+    static void init();
+    static void set(const GLState& state);
+    static void drawPTVert(long int size, int mode, int count,
+        void *vert_pointer, void *tex_pointer);
+    static void drawPCVert(long int size, int mode, int count,
+        void *vert_pointer, void *color_pointer);
+    static void drawPTCVert(long int size, int mode, int count,
+        void *vert_pointer, void *tex_pointer, void *color_pointer);
+    static void drawP3TCVert(long int size, int mode, int count,
+        void *vert_pointer, void *tex_pointer, void *color_pointer);
+    static void pushMatrix();
+    static void popMatrix();
+    static void translatef(float x, float y, float z);
+};
+
+#endif // use_gl
+#endif // use_tile
+#endif // include guard
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