X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fopengl%2Fdevice_backend.h;h=2583d5822173af93ce0bb92882c72f5e392aa124;hb=HEAD;hp=dfa16653167d979d40279026fb743c57a0f75a3b;hpb=5d9ecb00aea134fa082a0fa6b9c82c643a884a32;p=libs%2Fgl.git

diff --git a/source/backends/opengl/device_backend.h b/source/backends/opengl/device_backend.h
index dfa16653..2583d582 100644
--- a/source/backends/opengl/device_backend.h
+++ b/source/backends/opengl/device_backend.h
@@ -1,16 +1,34 @@
 #ifndef MSP_GL_DEVICE_BACKEND_H_
 #define MSP_GL_DEVICE_BACKEND_H_
 
+#include <vector>
 #include <msp/core/noncopyable.h>
 #include <msp/graphics/glcontext.h>
 
 namespace Msp {
 namespace GL {
 
+class OpenGLBuffer;
+class OpenGLPipelineState;
+class OpenGLTexture;
+
+struct OpenGLDeviceState
+{
+	const OpenGLPipelineState *last_pipeline = 0;
+	std::vector<int> bound_tex_targets;
+	std::vector<char> bound_storage_textures;
+	std::vector<char> bound_uniform_blocks;
+	unsigned restart_index = 0;
+	unsigned n_clip_distances = 0;
+	const OpenGLBuffer *scratch_buffer = 0;
+	const OpenGLTexture *scratch_texture = 0;
+};
+
 class OpenGLDevice: public NonCopyable
 {
 protected:
 	Graphics::GLContext context;
+	OpenGLDeviceState state;
 
 	OpenGLDevice(Graphics::Window &, const Graphics::GLOptions &);
 
@@ -19,6 +37,9 @@ protected:
 	void fill_info();
 
 	Graphics::GLContext &get_context() { return context; }
+
+public:
+	OpenGLDeviceState &get_state() { return state; }
 };
 
 using DeviceBackend = OpenGLDevice;