summaryrefslogtreecommitdiffstatshomepage
path: root/src/osd/modules/render/drawbgfx.h
blob: 95d793ba931df280af8af72242856349f1b44a91 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
// 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 "bgfx/chain.h"
#include "bgfx/chainmanager.h"
#include "sliderdirtynotifier.h"
#include "../frontend/mame/ui/menuitem.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;
class osd_options;
class avi_write;

/* sdl_info is the information about SDL for the current screen */
class renderer_bgfx : public osd_renderer, public slider_dirty_notifier
{
public:
	renderer_bgfx(std::shared_ptr<osd_window> w);
	virtual ~renderer_bgfx();

	static void init(running_machine &machine) { }
	static void exit();

	virtual int create() override;
	virtual int draw(const int update) override;

	virtual void add_audio_to_recording(const INT16 *buffer, int samples_this_frame) 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;
#endif

	virtual void save() override { }
	virtual void record() override;
	virtual void toggle_fsfx() override { }

	virtual render_primitive_list *get_primitives() override
	{
		auto win = try_getwindow();
		if (win == nullptr)
			return nullptr;

		// determines whether the screen container is transformed by the chain's shaders
		bool chain_transform = false;

		// check the first chain
		bgfx_chain* chain = this->m_chains->screen_chain(0);
		if (chain != nullptr)
		{
			chain_transform = chain->transform();
		}

		osd_dim wdim = win->get_size();
		win->target()->set_bounds(wdim.width(), wdim.height(), win->pixel_aspect());
		win->target()->set_transform_container(!chain_transform);
		return &win->target()->get_primitives();
	}

	static const char* WINDOW_PREFIX;

private:
	void vertex(ScreenVertex* vertex, float x, float y, float z, uint32_t rgba, float u, float v);
	void render_avi_quad();
	void update_recording();

	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);

	osd_options& m_options;

	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;

	avi_write* m_avi_writer;
	bgfx_target* m_avi_target;
	bgfx::TextureHandle m_avi_texture;
	bitmap_rgb32 m_avi_bitmap;
	uint8_t* m_avi_data;

	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