X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frenderer.h;h=2854bc8ff181f3ead7f0f19ec9b0ec56d79b0470;hp=b114f6873648574032e8566bc3897d9e581fa348;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=346ed5bd91f10489acd280e2165a951d6938f0df diff --git a/source/renderer.h b/source/renderer.h index b114f687..2854bc8f 100644 --- a/source/renderer.h +++ b/source/renderer.h @@ -19,8 +19,10 @@ class Mesh; class Lighting; class Program; class Renderable; +class Sampler; class Texture; class Texturing; +class VertexSetup; class WindingTest; /** @@ -64,7 +66,10 @@ public: private: struct State { + const Camera *camera; + Matrix modelview_matrix; const Texture *texture; + const Sampler *sampler; const Texturing *texturing; unsigned lowest_effect_texunit; const Material *material; @@ -74,41 +79,24 @@ private: Matrix clipping_matrix; const Program *shprog; unsigned shdata_count; - const Mesh *mesh; + const VertexSetup *vertex_setup; const WindingTest *winding_test; bool reverse_winding; + unsigned object_lod_bias; State(); }; - class MtxStack: public MatrixStack - { - private: - Renderer &renderer; - - public: - MtxStack(Renderer &); - private: - virtual void update(); - }; - enum ChangeMask { - LEGACY_MATRIX = 1, - MODERN_MATRIX = 2, - MATRIX = LEGACY_MATRIX|MODERN_MATRIX, - LEGACY_LIGHTING = 4, - LEGACY_CLIPPING = 8, + MATRIX = 2, SHADER_DATA = 16, MATERIAL_SHDATA = 32, STANDARD_SHDATA = 64 }; - MtxStack mtx_stack; + const Camera *default_camera; unsigned char changed; - bool matrices_loaded; - unsigned shdata_applied; - const Camera *camera; std::vector state_stack; State *state; ProgramData standard_shdata; @@ -116,16 +104,18 @@ private: std::set excluded; public: - Renderer(const Camera *); + Renderer(); + DEPRECATED Renderer(const Camera *); +private: + void init(); +public: ~Renderer(); - /** Resets all internal state and restarts rendering. There must be no - unpopped state in the stack. It is permissible to call begin() multiple - times without an intervening end(). */ - void begin(const Camera *); + /** Sets the camera to render from. The modelview matrix is reset to the + camera's view matrix. */ + void set_camera(const Camera &); - /** Deprecated as unsafe. Use set_matrix() or transform() instead. */ - MatrixStack &matrix_stack() { return mtx_stack; } + const Camera *get_camera() const { return state->camera; } /** Replaces the Renderer's modelview matrix. */ void set_matrix(const Matrix &); @@ -134,11 +124,9 @@ public: void transform(const Matrix &); /** Returns the current modelview matrix. */ - const Matrix &get_matrix() const { return mtx_stack.top(); } - - const Camera *get_camera() const { return camera; } + const Matrix &get_matrix() const { return state->modelview_matrix; } - void set_texture(const Texture *); + void set_texture(const Texture *, const Sampler * = 0); void set_texturing(const Texturing *); unsigned allocate_effect_texunit(); void set_material(const Material *); @@ -155,10 +143,15 @@ public: Renderer state is popped. */ void add_shader_data(const ProgramData &data); - void set_mesh(const Mesh *); + void flush_shader_data(); + + void set_vertex_setup(const VertexSetup *); void set_winding_test(const WindingTest *); void set_reverse_winding(bool); + void set_object_lod_bias(unsigned); + unsigned get_object_lod_bias() const { return state->object_lod_bias; } + /** Saves the current state so it can be restored later. */ void push_state(); @@ -166,14 +159,9 @@ public: push_state call. */ void pop_state(); - /** Prepares for temporarily bypassing the Renderer by synchronizing the - current state with GL. No additional call is necessary to resume using the - Renderer. DEPRECATED. */ - void escape(); - /** Unbinds all objects and resets related state. There must be no unpopped - state in the stack. Rendering with the same camera can be restarted without - an explicit begin() call. */ + state in the stack. The Renderer remains valid and may be reused for + further rendering. */ void end(); void exclude(const Renderable &); @@ -181,10 +169,10 @@ public: void render(const Renderable &, const Tag & = Tag()); void draw(const Batch &); + void draw_instanced(const Batch &, unsigned); private: void apply_state(); - void reset_state(); }; } // namespace GL