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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
#pragma once
#ifndef __RENDER_BGFX__
#define __RENDER_BGFX__
#include <bgfx/bgfx.h>
#include <map>
#include <vector>
#include "binpacker.h"
#include "bgfx/vertex.h"
#include "sliderdirtynotifier.h"
class texture_manager;
class target_manager;
class shader_manager;
class effect_manager;
class chain_manager;
class bgfx_texture;
class bgfx_effect;
class bgfx_target;
class bgfx_chain;
/* sdl_info is the information about SDL for the current screen */
class renderer_bgfx : public osd_renderer, public slider_dirty_notifier
{
public:
renderer_bgfx(osd_window *w)
: osd_renderer(w, FLAG_NONE)
, m_dimensions(0, 0)
, m_max_view(0)
{
}
virtual ~renderer_bgfx();
static bool init(running_machine &machine) { return false; }
static void exit();
virtual int create() override;
virtual int draw(const int update) override;
virtual std::vector<ui_menu_item> get_slider_list() override;
virtual void set_sliders_dirty() override;
#ifdef OSD_SDL
virtual int xy_to_render_target(const int x, const int y, int *xt, int *yt) override;
#else
virtual void save() override { }
virtual void record() override { }
virtual void toggle_fsfx() override { }
#endif
virtual render_primitive_list *get_primitives() override
{
osd_dim wdim = window().get_size();
window().target()->set_bounds(wdim.width(), wdim.height(), window().pixel_aspect());
return &window().target()->get_primitives();
}
static const char* WINDOW_PREFIX;
private:
void handle_screen_chains(render_primitive *starting_prim);
bgfx_chain* screen_chain(int32_t screen);
bool update_dimensions();
void setup_view(uint32_t view_index, bool screen);
void init_ui_view();
void setup_matrices(uint32_t view_index, bool screen);
void allocate_buffer(render_primitive *prim, UINT32 blend, bgfx::TransientVertexBuffer *buffer);
enum buffer_status
{
BUFFER_PRE_FLUSH,
BUFFER_FLUSH,
BUFFER_SCREEN,
BUFFER_EMPTY,
BUFFER_DONE
};
buffer_status buffer_primitives(bool atlas_valid, render_primitive** prim, bgfx::TransientVertexBuffer* buffer, int32_t screen);
void render_textured_quad(render_primitive* prim, bgfx::TransientVertexBuffer* buffer);
void render_post_screen_quad(int view, render_primitive* prim, bgfx::TransientVertexBuffer* buffer, int32_t screen);
void put_packed_quad(render_primitive *prim, UINT32 hash, ScreenVertex* vertex);
void put_polygon(const float* coords, UINT32 num_coords, float r, UINT32 rgba, ScreenVertex* vertex);
void put_line(float x0, float y0, float x1, float y1, float r, UINT32 rgba, ScreenVertex* vertex, float fth = 1.0f);
void set_bgfx_state(UINT32 blend);
static uint32_t u32Color(uint32_t r, uint32_t g, uint32_t b, uint32_t a);
bool check_for_dirty_atlas();
bool update_atlas();
void process_atlas_packs(std::vector<std::vector<rectangle_packer::packed_rectangle>>& packed);
UINT32 get_texture_hash(render_primitive *prim);
bgfx_target* m_framebuffer;
bgfx_texture* m_texture_cache;
// Original display_mode
osd_dim m_dimensions;
texture_manager* m_textures;
target_manager* m_targets;
shader_manager* m_shaders;
effect_manager* m_effects;
chain_manager* m_chains;
bgfx_effect* m_gui_effect[4];
bgfx_effect* m_screen_effect[4];
std::vector<uint32_t> m_seen_views;
std::map<UINT32, rectangle_packer::packed_rectangle> m_hash_to_entry;
std::vector<rectangle_packer::packable_rectangle> m_texinfo;
rectangle_packer m_packer;
uint32_t m_width[16];
uint32_t m_height[16];
uint32_t m_white[16*16];
int32_t m_ui_view;
uint32_t m_max_view;
static const uint16_t CACHE_SIZE;
static const uint32_t PACKABLE_SIZE;
static const uint32_t WHITE_HASH;
static bool s_window_set;
static uint32_t s_current_view;
};
#endif
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