dxvk/src/wsi/glfw/wsi_monitor_glfw.cpp at c9e18cdb6039587f7aadf610c61d946a89ae8fdc · Beyley/dxvk · GitHub

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#include "../wsi_monitor.h"

#include "wsi/native_wsi.h"
#include "wsi_platform_glfw.h"

#include "../../util/util_string.h"
#include "../../util/log/log.h"

#include <string>
#include <sstream>

namespace dxvk::wsi {

	HMONITOR getDefaultMonitor() {
		return enumMonitors(0);
	}


	HMONITOR enumMonitors(uint32_t index) {
		return isDisplayValid(int32_t(index))
			   ? toHmonitor(index)
			   : nullptr;
	}

	bool getDisplayName(
			HMONITOR hMonitor,
			WCHAR            (&Name)[32]) {
		const int32_t displayId = fromHmonitor(hMonitor);

		if (!isDisplayValid(displayId))
			return false;

		std::wstringstream nameStream;
		nameStream << LR"(\\.\DISPLAY)" << (displayId + 1);

		std::wstring name = nameStream.str();

		std::memset(Name, 0, sizeof(Name));
		name.copy(Name, name.length(), 0);

		return true;
	}


	bool getDesktopCoordinates(
			HMONITOR hMonitor,
			RECT *pRect) {
		const int32_t displayId = fromHmonitor(hMonitor);

		if (!isDisplayValid(displayId))
			return false;

		int32_t displayCount = 0;
		GLFWmonitor **monitors = glfwGetMonitors(&displayCount);
		GLFWmonitor *monitor = monitors[displayId];

		int32_t x;
		int32_t y;
		int32_t w;
		int32_t h;
		glfwGetMonitorWorkarea(monitor, &x, &y, &w, &h);

		pRect->left = x;
		pRect->top = y;
		pRect->right = x + w;
		pRect->bottom = y + h;

		return true;
	}

	static inline uint32_t roundToNextPow2(uint32_t num) {
		if (num-- == 0)
			return 0;

		num |= num >> 1;
		num |= num >> 2;
		num |= num >> 4;
		num |= num >> 8;
		num |= num >> 16;

		return ++num;
	}


	static inline void convertMode(const GLFWvidmode &mode, WsiMode *pMode) {
		pMode->width = uint32_t(mode.width);
		pMode->height = uint32_t(mode.height);
		pMode->refreshRate = WsiRational{uint32_t(mode.refreshRate) * 1000, 1000};
		// BPP should always be a power of two
		// to match Windows behaviour of including padding.
		pMode->bitsPerPixel = roundToNextPow2(mode.blueBits + mode.redBits + mode.greenBits);
		pMode->interlaced = false;
	}


	bool getDisplayMode(
			HMONITOR hMonitor,
			uint32_t ModeNumber,
			WsiMode *pMode) {
		const int32_t displayId = fromHmonitor(hMonitor);
		int32_t displayCount = 0;
		GLFWmonitor **monitors = glfwGetMonitors(&displayCount);
		GLFWmonitor *monitor = monitors[displayId];

		if (!isDisplayValid(displayId))
			return false;

		int32_t count = 0;
		const GLFWvidmode *modes = glfwGetVideoModes(monitor, &count);

		convertMode(modes[ModeNumber], pMode);

		return true;
	}


	bool getCurrentDisplayMode(
			HMONITOR hMonitor,
			WsiMode *pMode) {
		const int32_t displayId = fromHmonitor(hMonitor);

		if (!isDisplayValid(displayId))
			return false;

		int32_t displayCount = 0;
		GLFWmonitor **monitors = glfwGetMonitors(&displayCount);
		GLFWmonitor *monitor = monitors[displayId];

		auto mode = glfwGetVideoMode(monitor);

		convertMode(*mode, pMode);

		return true;
	}


	bool getDesktopDisplayMode(
			HMONITOR hMonitor,
			WsiMode *pMode) {
		const int32_t displayId = fromHmonitor(hMonitor);

		if (!isDisplayValid(displayId))
			return false;

		int32_t displayCount = 0;
		GLFWmonitor **monitors = glfwGetMonitors(&displayCount);
		GLFWmonitor *monitor = monitors[displayId];

		//TODO: actually implement this properly, currently we just grab the current one
		convertMode(*glfwGetVideoMode(monitor), pMode);

		return true;
	}

	std::vector<uint8_t> getMonitorEdid(HMONITOR hMonitor) {
		Logger::err("getMonitorEdid not implemented on this platform.");
		return {};
	}

}