summaryrefslogtreecommitdiffstatshomepage
path: root/src/osd/modules/render/bgfx/chain.cpp
blob: 4ba069d18a44ef04f3a24300bb6686f1d7c24f61 (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
// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
//============================================================
//
//  chain.cpp - BGFX screen-space post-effect chain
//
//============================================================

#include "emu.h"

#include <bx/timer.h>

#include "slider.h"
#include "parameter.h"
#include "entryuniform.h"
#include "texturemanager.h"
#include "targetmanager.h"
#include "target.h"
#include "vertex.h"
#include "screen.h"
#include "modules/osdwindow.h"

#include "chain.h"

bgfx_chain::bgfx_chain(std::string name, std::string author, bool transform, target_manager& targets, std::vector<bgfx_slider*> sliders, std::vector<bgfx_parameter*> params, std::vector<bgfx_chain_entry*> entries, std::vector<bgfx_target*> target_list, std::uint32_t screen_index)
	: m_name(name)
	, m_author(author)
	, m_transform(transform)
	, m_targets(targets)
	, m_sliders(sliders)
	, m_params(params)
	, m_entries(entries)
	, m_target_list(target_list)
	, m_current_time(0)
	, m_screen_index(screen_index)
{
    for (bgfx_target* target : m_target_list)
    {
        m_target_map[target->name()] = target;
        m_target_names.push_back(target->name());
    }
}

bgfx_chain::~bgfx_chain()
{
	for (bgfx_slider* slider : m_sliders)
	{
		delete slider;
	}
	for (bgfx_parameter* param : m_params)
	{
		delete param;
	}
	for (bgfx_chain_entry* entry : m_entries)
	{
		delete entry;
	}
	for (bgfx_target* target : m_target_list)
	{
		m_targets.destroy_target(target->name(), m_screen_index);
	}
}

void bgfx_chain::repopulate_targets()
{
    for (size_t i = 0; i < m_target_names.size(); i++)
    {
        bgfx_target* target = m_targets.target(m_screen_index, m_target_names[i]);
        if (target != nullptr) {
            m_target_list[i] = target;
        }
    }
}

void bgfx_chain::process(render_primitive* prim, int view, int screen, texture_manager& textures, osd_window& window, uint64_t blend)
{
	screen_device_iterator screen_iterator(window.machine().root_device());
	screen_device* screen_device = screen_iterator.byindex(screen);

	int current_view = view;
	uint16_t screen_width(floor((prim->bounds.x1 - prim->bounds.x0) + 0.5f));
	uint16_t screen_height(floor((prim->bounds.y1 - prim->bounds.y0) + 0.5f));
	uint32_t rotation_type =
		(window.target()->orientation() & ROT90)  == ROT90  ? 1 :
		(window.target()->orientation() & ROT180) == ROT180 ? 2 :
		(window.target()->orientation() & ROT270) == ROT270 ? 3 : 0;
	bool orientation_swap_xy = (window.machine().system().flags & ORIENTATION_SWAP_XY) == ORIENTATION_SWAP_XY;
	bool rotation_swap_xy = (window.target()->orientation() & ORIENTATION_SWAP_XY) == ORIENTATION_SWAP_XY;
	bool swap_xy = orientation_swap_xy ^ rotation_swap_xy;
    
    float screen_scale_x =  1.0f;
    float screen_scale_y = 1.0f;
    float screen_offset_x = 0.0f;
    float screen_offset_y = 0.0f;
    if (screen_device != nullptr)
    {
        render_container &screen_container = screen_device->container();
        screen_scale_x = 1.0f / screen_container.xscale();
        screen_scale_y = 1.0f / screen_container.yscale();
        screen_offset_x = -screen_container.xoffset();
        screen_offset_y = -screen_container.yoffset();
    }

	for (bgfx_chain_entry* entry : m_entries)
	{
		if (!entry->skip())
		{
			entry->submit(current_view, prim, textures, screen_width, screen_height, screen_scale_x, screen_scale_y, screen_offset_x, screen_offset_y, rotation_type, swap_xy, blend, screen);
			current_view++;
		}
	}

	m_current_time = bx::getHPCounter();
	static int64_t last = m_current_time;
	const int64_t frameTime = m_current_time - last;
	last = m_current_time;
	const double freq = double(bx::getHPFrequency());
	const double toMs = 1000.0 / freq;
	const double frameTimeInSeconds = (double)frameTime / 1000000.0;

	for (bgfx_parameter* param : m_params)
	{
		param->tick(frameTimeInSeconds* toMs);
	}
}

uint32_t bgfx_chain::applicable_passes()
{
	int applicable_passes = 0;
	for (bgfx_chain_entry* entry : m_entries)
	{
		if (!entry->skip())
		{
			applicable_passes++;
		}
	}

	return applicable_passes;
}