#include <set>
#include <vector>
#include "commands.h"
+#include "cullface.h"
#include "matrix.h"
-#include "pipelinestate.h"
#include "programdata.h"
+#include "renderer_backend.h"
#include "tag.h"
namespace Msp {
namespace GL {
class Batch;
+class Blend;
class Buffer;
class Camera;
union ClearValue;
+class DepthTest;
class Material;
class Mesh;
class Lighting;
class Program;
class QueryPool;
+struct Rect;
class Renderable;
class Sampler;
+class StencilTest;
class Texture;
class VertexSetup;
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.
};
private:
- struct BoundTexture
+ struct SampledTexture
{
- Tag tag;
- mutable int binding = -1;
const Texture *texture = 0;
const Sampler *sampler = 0;
+ int level = -1;
+
+ SampledTexture() = default;
+ SampledTexture(const Texture *t, const Sampler *s, int l): texture(t), sampler(s), level(l) { }
+
+ bool operator==(const SampledTexture &o) const { return texture==o.texture && sampler==o.sampler && level==o.level; }
+ };
+
+ template<typename T>
+ struct BoundResource
+ {
+ Tag tag;
+ mutable int binding = -1;
int replaced = -1;
+ T resource;
};
struct BoundProgramData
struct State
{
+ std::uintptr_t pipeline_key = 0;
const Camera *camera = 0;
Matrix model_matrix;
const Framebuffer *framebuffer = 0;
enum ChangeMask
{
+ PIPELINE_KEY = 1,
MATRIX = 2,
+ CAMERA = 4,
SHADER_DATA = 16
};
+ unsigned frame_index = 0;
unsigned char changed = 0;
std::vector<State> state_stack;
- State *state;
- std::vector<BoundTexture> texture_stack;
+ State *current_state = 0;
ProgramData standard_shdata;
std::vector<BoundProgramData> shdata_stack;
- PipelineState pipeline_state;
+ std::vector<BoundResource<SampledTexture>> texture_stack;
+ const Texture &placeholder_texture;
+ const Sampler &default_sampler;
+ PipelineState *last_pipeline = 0;
Commands commands;
+ static const Tag world_obj_matrix_tag;
+ static const Tag world_obj_normal_matrix_tag;
+
public:
Renderer();
- ~Renderer();
+
+ /** Begins rendering, allowing commands to be issued. */
+ void begin();
+
+ /** Ends rendering. Any global state is reset to defaults. No further
+ 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();
+
+ /** Restores a previously saved state. Must be matched with an earlier
+ push_state call. */
+ void pop_state();
+
+private:
+ State &get_state() const;
+
+public:
+ void set_pipeline_key(std::uintptr_t);
+ void set_pipeline_key(const void *p) { set_pipeline_key(reinterpret_cast<uintptr_t>(p)); }
+
+ template<typename T>
+ void set_pipeline_key(std::uintptr_t k, T d)
+ { set_pipeline_key(k^(static_cast<uintptr_t>(d)<<((sizeof(std::uintptr_t)-sizeof(T))*std::numeric_limits<char>::digits))); }
+
+ template<typename T>
+ void set_pipeline_key(const void *p, T d) { set_pipeline_key(reinterpret_cast<uintptr_t>(p), d); }
/** 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; }
+ const Camera *get_camera() const { return get_state().camera; }
/** Replaces the Renderer's model matrix. */
void set_matrix(const Matrix &);
- /** Applies a transform to the Renderer's model matrix. */
- void transform(const Matrix &);
-
/** Returns the current model matrix. */
- const Matrix &get_matrix() const { return state->model_matrix; }
+ const Matrix &get_matrix() const { return get_state().model_matrix; }
void set_framebuffer(const Framebuffer *);
void set_viewport(const Rect *);
void set_scissor(const Rect *);
- const Framebuffer *get_framebuffer() const { return state->framebuffer; }
-
- void set_texture(Tag, const Texture *, const Sampler * = 0);
-private:
- void flush_textures();
+ const Framebuffer *get_framebuffer() const { return get_state().framebuffer; }
-public:
/** Sets the shader program to use. As a convenience, uniform values may be
specified at the same time. */
void set_shader_program(const Program *prog, const ProgramData *data = 0);
last will be used. */
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);
+ void set_storage_texture(Tag, const Texture *);
+
private:
+ template<typename T>
+ static void set_resource(std::vector<BoundResource<T>> &, unsigned &, Tag, const T &);
+
void flush_shader_data();
+ template<typename T>
+ static void flush_resources(std::vector<BoundResource<T>> &, unsigned &);
+
public:
void set_vertex_setup(const VertexSetup *);
void set_front_face(FaceWinding);
void set_blend(const Blend *);
void set_object_lod_bias(unsigned);
- unsigned get_object_lod_bias() const { return state->object_lod_bias; }
+ unsigned get_object_lod_bias() const { return get_state().object_lod_bias; }
- /** Saves the current state so it can be restored later. */
- void push_state();
-
- /** Restores a previously saved state. Must be matched with an earlier
- push_state call. */
- void pop_state();
-
- /** Unbinds all objects and resets related state. There must be no unpopped
- state in the stack. The Renderer remains valid and may be reused for
- further rendering. */
- void end();
-
- 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 &);
/** Draws multiple instances of a batch of primitives. A shader must be active. */
void draw_instanced(const Batch &, unsigned);
+ /** Dispatches a compute operation. */
+ void dispatch(unsigned, unsigned = 1, unsigned = 1);
+
/** Resolves multisample attachments from the active framebuffer into
target. */
void resolve_multisample(Framebuffer &target);
void end_query(const QueryPool &, unsigned);
private:
+ PipelineState &get_pipeline_state();
+ void apply_framebuffer();
void apply_state();
};
projects / libs / gl.git / blobdiff