More reader support, nw

src/osd/modules/render/bgfx/chainreader.cpp

@@ -4,12 +4,13 @@
 #include "emu.h"
 
 #include "chain.h"
-#include "chainreader.h"
 #include "sliderreader.h"
 #include "paramreader.h"
 #include "chainentryreader.h"
+#include "targetmanager.h"
+#include "chainreader.h"
 
-bgfx_chain* chain_reader::read_from_value(const Value& value, texture_manager& textures, target_manager& targets, effect_manager& effects)
+bgfx_chain* chain_reader::read_from_value(const Value& value, texture_manager& textures, target_manager& targets, effect_manager& effects, uint32_t screen_width, uint32_t screen_height)
 {
     validate_parameters(value);
 
@@ -46,6 +47,33 @@ bgfx_chain* chain_reader::read_from_value(const Value& value, texture_manager& t
 		}
 	}
 
+	if (value.HasMember("targets"))
+	{
+		const Value& target_array = value["targets"];
+		for (UINT32 i = 0; i < target_array.Size(); i++)
+		{
+			assert(target_array[i].HasMember("name"));
+			assert(target_array[i]["name"].IsString());
+			uint32_t width = 0;
+			uint32_t height = 0;
+			if (target_array[i].HasMember("screen") && target_array[i]["screen"].IsBool())
+			{
+				width = screen_width;
+				height = screen_height;
+			}
+			else
+			{
+				assert(target_array[i].HasMember("width"));
+				assert(target_array[i]["width"].IsDouble());
+				assert(target_array[i].HasMember("height"));
+				assert(target_array[i]["height"].IsDouble());
+				width = uint32_t(target_array[i]["width"].GetDouble());
+				height = uint32_t(target_array[i]["height"].GetDouble());
+			}
+			targets.create_target(target_array[i]["name"].GetString(), bgfx::TextureFormat::RGBA8, width, height);
+		}
+	}
+
 	return new bgfx_chain(name, author, sliders, parameters, entries);
 }
 

src/osd/modules/render/bgfx/chainreader.h

@@ -13,7 +13,7 @@ class effect_manager;
 class chain_reader : public state_reader
 {
 public:
-    static bgfx_chain* read_from_value(const Value& value, texture_manager& textures, target_manager& targets, effect_manager& effects);
+    static bgfx_chain* read_from_value(const Value& value, texture_manager& textures, target_manager& targets, effect_manager& effects, uint32_t screen_width, uint32_t screen_height);
 
 private:
     static void validate_parameters(const Value& value);

src/osd/modules/render/drawbgfx.cpp

@@ -94,6 +94,8 @@ int renderer_bgfx::create()
 	// create renderer
 
 	osd_dim wdim = window().get_size();
+	m_width = wdim.width();
+	m_height = wdim.height();
 	if (window().m_index == 0)
 	{
 #ifdef OSD_WINDOWS
@@ -102,17 +104,17 @@ int renderer_bgfx::create()
 		bgfx::sdlSetWindow(window().sdl_window());
 #endif
 		bgfx::init();
-		bgfx::reset(wdim.width(), wdim.height(), video_config.waitvsync ? BGFX_RESET_VSYNC : BGFX_RESET_NONE);
+		bgfx::reset(m_width, m_height, video_config.waitvsync ? BGFX_RESET_VSYNC : BGFX_RESET_NONE);
 		// Enable debug text.
 		bgfx::setDebug(BGFX_DEBUG_TEXT); //BGFX_DEBUG_STATS
-		m_dimensions = osd_dim(wdim.width(), wdim.height());
+		m_dimensions = osd_dim(m_width, m_height);
 	}
 	else
 	{
 #ifdef OSD_WINDOWS
-		m_framebuffer = bgfx::createFrameBuffer(window().m_hwnd, wdim.width(), wdim.height());
+		m_framebuffer = bgfx::createFrameBuffer(window().m_hwnd, m_width, m_height);
 #else
-		m_framebuffer = bgfx::createFrameBuffer(sdlNativeWindowHandle(window().sdl_window()), wdim.width(), wdim.height());
+		m_framebuffer = bgfx::createFrameBuffer(sdlNativeWindowHandle(window().sdl_window()), m_width, m_height);
 #endif
 		bgfx::touch(window().m_index);
 	}

src/osd/modules/render/drawbgfx.h

@@ -109,6 +109,8 @@ private:
 	std::vector<rectangle_packer::packable_rectangle> m_texinfo;
 	rectangle_packer m_packer;
 
+	uint32_t m_width;
+	uint32_t m_height;
 	uint32_t m_white[16*16];
 	enum : uint16_t { CACHE_SIZE = 1024 };
 	enum : uint32_t { PACKABLE_SIZE = 128 };