Store simpler states by value in PipelineState

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

diff --git a/source/render/renderer.h b/source/render/renderer.h
index 575dbe67ee8af1e9adf758c3be0c7ca0caea3045..c176f87aa231664f5eccfb442317421737004f47 100644 (file)
--- a/source/render/renderer.h
+++ b/source/render/renderer.h
@@ -5,8 +5,8 @@
 #include <vector>
 #include "commands.h"
 #include "matrix.h"
-#include "pipelinestate.h"
 #include "programdata.h"
+#include "renderer_backend.h"
 #include "tag.h"
 
 namespace Msp {
@@ -39,8 +39,10 @@ Renderables can save the state by pushing it on the stack before beginning
 their work, and pop it afterwards to restore it without disturbing state set
 by outer scopes.
 */
-class Renderer
+class Renderer: public RendererBackend
 {
+       friend RendererBackend;
+
 public:
        /**
        RAII helper class for pushing state on the stack.
@@ -62,6 +64,7 @@ private:
                mutable int binding = -1;
                const Texture *texture = 0;
                const Sampler *sampler = 0;
+               int level = -1;
                int replaced = -1;
        };
 
@@ -98,18 +101,18 @@ private:
                SHADER_DATA = 16
        };
 
+       unsigned frame_index = 0;
        unsigned char changed = 0;
        std::vector<State> state_stack;
        State *current_state = 0;
        ProgramData standard_shdata;
        std::vector<BoundProgramData> shdata_stack;
        std::vector<BoundTexture> texture_stack;
-       PipelineState pipeline_state;
+       const Texture &placeholder_texture;
        Commands commands;
 
 public:
        Renderer();
-       ~Renderer();
 
        /** Begins rendering, allowing commands to be issued. */
        void begin();
@@ -118,6 +121,9 @@ public:
        commands are allowed before the next call to begin(). */
        void end();
 
+       using RendererBackend::begin;
+       using RendererBackend::end;
+
        /** Saves the current state so it can be restored later. */
        void push_state();
 
@@ -156,6 +162,7 @@ public:
        void add_shader_data(const ProgramData &data);
 
        void set_texture(Tag, const Texture *, const Sampler * = 0);
+       void set_texture(Tag, const Texture *, int, const Sampler * = 0);
 
 private:
        void flush_shader_data();
@@ -173,7 +180,10 @@ public:
        void set_object_lod_bias(unsigned);
        unsigned get_object_lod_bias() const { return get_state().object_lod_bias; }
 
-       void clear(const ClearValue *);
+       /** Clears framebuffer contents.  If values is not null, it must contain one
+       element for each attachment.  Otherwise the framebuffer contents are
+       discarded and become undefined. */
+       void clear(const ClearValue *values);
 
        /** Draws a batch of primitives.  A shader must be active. */
        void draw(const Batch &);
@@ -189,6 +199,7 @@ public:
        void end_query(const QueryPool &, unsigned);
 
 private:
+       void apply_framebuffer();
        void apply_state();
 };