1 files changed, 140 insertions, 0 deletions
diff --git a/src/rwrender.h b/src/rwrender.h
new file mode 100644
index 0000000..49fe0c4
--- /dev/null
+++ b/src/rwrender.h
@@ -0,0 +1,140 @@
+namespace rw {
+
+// Render states
+
+enum RenderState
+{
+	TEXTURERASTER,
+	TEXTUREADDRESS,
+	TEXTUREADDRESSU,
+	TEXTUREADDRESSV,
+	TEXTUREFILTER,
+	VERTEXALPHA,
+	SRCBLEND,
+	DESTBLEND,
+	ZTESTENABLE,
+	ZWRITEENABLE,
+	FOGENABLE,
+	FOGCOLOR,
+	CULLMODE,
+	// TODO:
+	// fog type, density ?
+	// ? shademode
+
+	STENCILENABLE,
+	STENCILFAIL,
+	STENCILZFAIL,
+	STENCILPASS,
+	STENCILFUNCTION,
+	STENCILFUNCTIONREF,
+	STENCILFUNCTIONMASK,
+	STENCILFUNCTIONWRITEMASK,
+
+	// platform specific or opaque?
+	ALPHATESTFUNC,
+	ALPHATESTREF,
+
+	// emulation of PS2 GS alpha test
+	//  in the mode where it still writes color but nor depth
+	GSALPHATEST,
+	GSALPHATESTREF
+};
+
+enum AlphaTestFunc
+{
+	ALPHAALWAYS,
+	ALPHAGREATEREQUAL,
+	ALPHALESS
+};
+
+enum StencilOp
+{
+	STENCILKEEP = 1,
+	STENCILZERO,
+	STENCILREPLACE,
+	STENCILINCSAT,
+	STENCILDECSAT,
+	STENCILINVERT,
+	STENCILINC,
+	STENCILDEC
+};
+
+enum StencilFunc
+{
+	STENCILNEVER = 1,
+	STENCILLESS,
+	STENCILEQUAL,
+	STENCILLESSEQUAL,
+	STENCILGREATER,
+	STENCILNOTEQUAL,
+	STENCILGREATEREQUAL,
+	STENCILALWAYS
+};
+
+enum CullMode
+{
+	CULLNONE = 1,
+	CULLBACK,
+	CULLFRONT
+};
+
+enum BlendFunction
+{
+	BLENDZERO = 1,
+	BLENDONE,
+	BLENDSRCCOLOR,
+	BLENDINVSRCCOLOR,
+	BLENDSRCALPHA,
+	BLENDINVSRCALPHA,
+	BLENDDESTALPHA,
+	BLENDINVDESTALPHA,
+	BLENDDESTCOLOR,
+	BLENDINVDESTCOLOR,
+	BLENDSRCALPHASAT
+	// TODO: add more perhaps
+};
+
+void SetRenderState(int32 state, uint32 value);
+void SetRenderStatePtr(int32 state, void *value);
+uint32 GetRenderState(int32 state);
+void *GetRenderStatePtr(int32 state);
+
+// Im2D
+
+namespace im2d {
+
+float32 GetNearZ(void);
+float32 GetFarZ(void);
+void RenderLine(void *verts, int32 numVerts, int32 vert1, int32 vert2);
+void RenderTriangle(void *verts, int32 numVerts, int32 vert1, int32 vert2, int32 vert3);
+void RenderIndexedPrimitive(PrimitiveType, void *verts, int32 numVerts, void *indices, int32 numIndices);
+void RenderPrimitive(PrimitiveType type, void *verts, int32 numVerts);
+
+}
+
+// Im3D
+
+namespace im3d {
+
+enum TransformFlags
+{
+	VERTEXUV      = 1,	// has tex Coords
+	ALLOPAQUE     = 2,	// no vertex alpha
+	NOCLIP        = 4,	// don't frustum clip
+	VERTEXXYZ     = 8,	// has position
+	VERTEXRGBA    = 16,	// has color
+	LIGHTING      = 32,	// do lighting, assumes normals (librw extension)
+	EVERYTHING = VERTEXUV|VERTEXXYZ|VERTEXRGBA
+};
+
+void Transform(void *vertices, int32 numVertices, Matrix *world, uint32 flags);
+void RenderLine(int32 vert1, int32 vert2);
+void RenderTriangle(int32 vert1, int32 vert2, int32 vert3);
+void RenderPrimitive(PrimitiveType primType);
+void RenderIndexedPrimitive(PrimitiveType primType, void *indices, int32 numIndices);
+void End(void);
+
+}
+
+}
+