Redesign depth and stencil test and blend state management

[libs/gl.git] / source / render / renderer.h

diff --git a/source/render/renderer.h b/source/render/renderer.h
index 2854bc8ff181f3ead7f0f19ec9b0ec56d79b0470..23ced9e4fc567bc124a80fefd70b330937f149cc 100644 (file)
--- a/source/render/renderer.h
+++ b/source/render/renderer.h
@@ -4,6 +4,7 @@
 #include <set>
 #include <vector>
 #include "matrix.h"
+#include "pipelinestate.h"
 #include "programdata.h"
 #include "tag.h"
 
@@ -21,7 +22,6 @@ class Program;
 class Renderable;
 class Sampler;
 class Texture;
-class Texturing;
 class VertexSetup;
 class WindingTest;
 
@@ -64,24 +64,40 @@ public:
        };
 
 private:
-       struct State
+       struct BoundTexture
        {
-               const Camera *camera;
-               Matrix modelview_matrix;
+               Tag tag;
+               mutable int unit;
                const Texture *texture;
                const Sampler *sampler;
-               const Texturing *texturing;
+               int replaced;
+
+               BoundTexture();
+       };
+
+       struct BoundProgramData
+       {
+               const ProgramData *shdata;
+               mutable unsigned generation;
+
+               BoundProgramData(const ProgramData *);
+       };
+
+       struct State
+       {
+               const Camera *camera;
+               Matrix model_matrix;
+               unsigned texture_count;
                unsigned lowest_effect_texunit;
-               const Material *material;
-               const Lighting *lighting;
-               Matrix lighting_matrix;
                const Clipping *clipping;
-               Matrix clipping_matrix;
                const Program *shprog;
                unsigned shdata_count;
                const VertexSetup *vertex_setup;
-               const WindingTest *winding_test;
-               bool reverse_winding;
+               FaceWinding front_face;
+               CullMode face_cull;
+               const DepthTest *depth_test;
+               const StencilTest *stencil_test;
+               const Blend *blend;
                unsigned object_lod_bias;
 
                State();
@@ -90,48 +106,43 @@ private:
        enum ChangeMask
        {
                MATRIX = 2,
-               SHADER_DATA = 16,
-               MATERIAL_SHDATA = 32,
-               STANDARD_SHDATA = 64
+               SHADER_DATA = 16
        };
 
-       const Camera *default_camera;
        unsigned char changed;
        std::vector<State> state_stack;
        State *state;
+       std::vector<BoundTexture> texture_stack;
        ProgramData standard_shdata;
-       std::vector<const ProgramData *> shdata_stack;
+       std::vector<BoundProgramData> shdata_stack;
        std::set<const Renderable *> excluded;
+       PipelineState pipeline_state;
 
 public:
        Renderer();
-       DEPRECATED Renderer(const Camera *);
-private:
-       void init();
-public:
        ~Renderer();
 
-       /** Sets the camera to render from.  The modelview matrix is reset to the
-       camera's view matrix. */
+       /** Sets the camera to render from.  The model matrix is reset to identity. */
        void set_camera(const Camera &);
 
        const Camera *get_camera() const { return state->camera; }
 
-       /** Replaces the Renderer's modelview matrix. */
+       /** Replaces the Renderer's model matrix. */
        void set_matrix(const Matrix &);
 
-       /** Applies a transform to the Renderer's modelview matrix. */
+       /** Applies a transform to the Renderer's model matrix. */
        void transform(const Matrix &);
 
-       /** Returns the current modelview matrix. */
-       const Matrix &get_matrix() const { return state->modelview_matrix; }
+       /** Returns the current model matrix. */
+       const Matrix &get_matrix() const { return state->model_matrix; }
 
-       void set_texture(const Texture *, const Sampler * = 0);
-       void set_texturing(const Texturing *);
-       unsigned allocate_effect_texunit();
-       void set_material(const Material *);
+       void set_texture(Tag, const Texture *, const Sampler * = 0);
+private:
+       void flush_textures();
+public:
+       DEPRECATED void set_material(const Material *);
 
-       void set_lighting(const Lighting *);
+       DEPRECATED void set_lighting(const Lighting *);
        void set_clipping(const Clipping *);
 
        /** Sets the shader program to use.  An initial set of data can be set as
@@ -143,11 +154,18 @@ public:
        Renderer state is popped. */
        void add_shader_data(const ProgramData &data);
 
-       void flush_shader_data();
+       DEPRECATED void flush_shader_data() { flush_shader_data_(); }
+private:
+       void flush_shader_data_();
 
+public:
        void set_vertex_setup(const VertexSetup *);
-       void set_winding_test(const WindingTest *);
-       void set_reverse_winding(bool);
+       void set_front_face(FaceWinding);
+       void set_face_cull(CullMode);
+
+       void set_depth_test(const DepthTest *);
+       void set_stencil_test(const StencilTest *);
+       void set_blend(const Blend *);
 
        void set_object_lod_bias(unsigned);
        unsigned get_object_lod_bias() const { return state->object_lod_bias; }
@@ -167,7 +185,7 @@ public:
        void exclude(const Renderable &);
        void include(const Renderable &);
 
-       void render(const Renderable &, const Tag & = Tag());
+       void render(const Renderable &, Tag = Tag());
        void draw(const Batch &);
        void draw_instanced(const Batch &, unsigned);