- fullscreen toggle and some cleanup. Not fully working yet.

src/CMakeLists.txt

@@ -987,6 +987,7 @@ set (PCH_SOURCES
 	v_collection.cpp
 	v_draw.cpp
 	v_font.cpp
+	v_framebuffer.cpp
 	v_palette.cpp
 	v_paltest.cpp
 	v_pfx.cpp

src/d_main.cpp

@@ -99,6 +99,7 @@
 #include "r_data/r_vanillatrans.h"
 
 EXTERN_CVAR(Bool, hud_althud)
+EXTERN_CVAR(Bool, fullscreen)
 void DrawHUD();
 void D_DoAnonStats();
 
@@ -673,13 +674,9 @@ void D_Display ()
 	// fullscreen toggle has been requested
 	if (setmodeneeded)
 	{
-		// Change screen mode.
+		screen->ToggleFullscreen(fullscreen);
-		/*
-		if (Video->ToggleFullscreen())
-		{
 		setsizeneeded = true;
-		}
+		setmodeneeded = false;
-		*/
 	}
 
 	// change the view size if needed
@@ -696,7 +693,6 @@ void D_Display ()
 			R_ExecuteSetViewSize (r_viewpoint, r_viewwindow);
 		}
 	}
-	setmodeneeded = false;
 
 	// [RH] Allow temporarily disabling wipes
 	if (NoWipe)

src/gl/stereo3d/gl_interleaved3d.cpp

@@ -140,11 +140,13 @@ void CheckerInterleaved3D::Present() const
 	int windowHOffset = 0;
 
 #ifdef _WIN32
+	/* this needs to be done differently!
 	if (!fullscreen) {
 		I_SaveWindowedPos(); // update win_y CVAR
 		windowHOffset = (win_x + WINDOW_BORDER_HORIZONTAL_PARITY) % 2;
 		windowVOffset = (win_y + WINDOW_BORDER_VERTICAL_PARITY) % 2;
 	}
+	*/
 #endif // _WIN32
 
 	GLRenderer->mPresent3dCheckerShader->Uniforms->WindowPositionParity =
@@ -184,10 +186,12 @@ void ColumnInterleaved3D::Present() const
 	int windowHOffset = 0;
 
 #ifdef _WIN32
+	/* this needs to be done differently!
 	if (!fullscreen) {
 		I_SaveWindowedPos(); // update win_y CVAR
 		windowHOffset = (win_x + WINDOW_BORDER_HORIZONTAL_PARITY) % 2;
 	}
+	*/
 #endif // _WIN32
 
 	GLRenderer->mPresent3dColumnShader->Uniforms->WindowPositionParity = windowHOffset;
@@ -207,10 +211,12 @@ void RowInterleaved3D::Present() const
 	int windowVOffset = 0;
 	
 #ifdef _WIN32
+	/* this needs to be done differently!
 	if (! fullscreen) {
 		I_SaveWindowedPos(); // update win_y CVAR
 		windowVOffset = (win_y + WINDOW_BORDER_VERTICAL_PARITY) % 2;
 	}
+	*/
 #endif // _WIN32
 
 	GLRenderer->mPresent3dRowShader->Uniforms->WindowPositionParity =

src/posix/cocoa/gl_sysfb.h

@@ -46,8 +46,9 @@ public:
 	virtual bool IsFullscreen();
 	virtual void SetVSync(bool vsync);
 
-	int GetClientWidth();
+	int GetClientWidth() override;
-	int GetClientHeight();
+	int GetClientHeight() override;
+	void ToggleFullscreen(bool yes) override;
 
 protected:
 	bool                UpdatePending;

src/posix/cocoa/i_video.mm

@@ -556,6 +556,12 @@ bool SystemFrameBuffer::IsFullscreen()
 	return CocoaVideo::IsFullscreen();
 }
 
+void SystemFrameBuffer::ToggleFullscreen(bool yes)
+{
+	SetMode(...);	// todo
+}
+
+
 void SystemFrameBuffer::SetVSync(bool vsync)
 {
 	const GLint value = vsync ? 1 : 0;

src/posix/sdl/gl_sysfb.h

@@ -23,8 +23,9 @@ public:
 	
 	friend class SDLGLVideo;
 
-	int GetClientWidth();
+	int GetClientWidth() override;
-	int GetClientHeight();
+	int GetClientHeight() override;
+	void ToggleFullscreen(bool yes) override;
 
 	SDL_Window *GetSDLWindow() { return Screen; }
 

src/posix/sdl/sdlglvideo.cpp

@@ -309,6 +309,11 @@ void SystemFrameBuffer::SwapBuffers()
 	SDL_GL_SwapWindow (Screen);
 }
 
+void SystemFrameBuffer::ToggleFullscreen(bool yes)
+{
+	... // todo
+}
+
 int SystemFrameBuffer::GetClientWidth()
 {
 	int width = 0;

src/v_framebuffer.cpp

@@ -0,0 +1,557 @@
+/*
+** The base framebuffer class
+**
+**---------------------------------------------------------------------------
+** Copyright 1999-2016 Randy Heit
+** Copyright 2005-2018 Christoph Oelckers
+** All rights reserved.
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions
+** are met:
+**
+** 1. Redistributions of source code must retain the above copyright
+**    notice, this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright
+**    notice, this list of conditions and the following disclaimer in the
+**    documentation and/or other materials provided with the distribution.
+** 3. The name of the author may not be used to endorse or promote products
+**    derived from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**---------------------------------------------------------------------------
+**
+*/
+
+#include <stdio.h>
+
+#include "i_system.h"
+#include "x86.h"
+#include "actor.h"
+
+#include "v_video.h"
+
+#include "c_dispatch.h"
+#include "sbar.h"
+#include "hardware.h"
+#include "r_utility.h"
+#include "r_renderer.h"
+#include "vm.h"
+#include "r_videoscale.h"
+#include "i_time.h"
+
+
+CVAR(Bool, gl_scale_viewport, true, CVAR_ARCHIVE);
+CVAR(Bool, vid_fps, false, 0)
+CVAR(Int, vid_showpalette, 0, 0)
+
+EXTERN_CVAR(Bool, ticker)
+EXTERN_CVAR(Float, vid_brightness)
+EXTERN_CVAR(Float, vid_contrast)
+EXTERN_CVAR(Int, screenblocks)
+
+void V_DrawPaletteTester(int pal);
+
+//==========================================================================
+//
+// DCanvas :: CalcGamma
+//
+//==========================================================================
+
+void DFrameBuffer::CalcGamma (float gamma, uint8_t gammalookup[256])
+{
+	// I found this formula on the web at
+	// <http://panda.mostang.com/sane/sane-gamma.html>,
+	// but that page no longer exits.
+	double invgamma = 1.f / gamma;
+	int i;
+
+	for (i = 0; i < 256; i++)
+	{
+		gammalookup[i] = (uint8_t)(255.0 * pow (i / 255.0, invgamma) + 0.5);
+	}
+}
+
+//==========================================================================
+//
+// DSimpleCanvas Constructor
+//
+// A simple canvas just holds a buffer in main memory.
+//
+//==========================================================================
+
+DSimpleCanvas::DSimpleCanvas (int width, int height, bool bgra)
+	: DCanvas (width, height, bgra)
+{
+	PixelBuffer = nullptr;
+	Resize(width, height);
+}
+
+void DSimpleCanvas::Resize(int width, int height)
+{
+	Width = width;
+	Height = height;
+
+	if (PixelBuffer != NULL)
+	{
+		delete[] PixelBuffer;
+		PixelBuffer = NULL;
+	}
+
+	// Making the pitch a power of 2 is very bad for performance
+	// Try to maximize the number of cache lines that can be filled
+	// for each column drawing operation by making the pitch slightly
+	// longer than the width. The values used here are all based on
+	// empirical evidence.
+
+	if (width <= 640)
+	{
+		// For low resolutions, just keep the pitch the same as the width.
+		// Some speedup can be seen using the technique below, but the speedup
+		// is so marginal that I don't consider it worthwhile.
+		Pitch = width;
+	}
+	else
+	{
+		// If we couldn't figure out the CPU's L1 cache line size, assume
+		// it's 32 bytes wide.
+		if (CPU.DataL1LineSize == 0)
+		{
+			CPU.DataL1LineSize = 32;
+		}
+		// The Athlon and P3 have very different caches, apparently.
+		// I am going to generalize the Athlon's performance to all AMD
+		// processors and the P3's to all non-AMD processors. I don't know
+		// how smart that is, but I don't have a vast plethora of
+		// processors to test with.
+		if (CPU.bIsAMD)
+		{
+			Pitch = width + CPU.DataL1LineSize;
+		}
+		else
+		{
+			Pitch = width + MAX(0, CPU.DataL1LineSize - 8);
+		}
+	}
+	int bytes_per_pixel = Bgra ? 4 : 1;
+	PixelBuffer = new uint8_t[Pitch * height * bytes_per_pixel];
+	memset (PixelBuffer, 0, Pitch * height * bytes_per_pixel);
+}
+
+//==========================================================================
+//
+// DSimpleCanvas Destructor
+//
+//==========================================================================
+
+DSimpleCanvas::~DSimpleCanvas ()
+{
+	if (PixelBuffer != NULL)
+	{
+		delete[] PixelBuffer;
+		PixelBuffer = NULL;
+	}
+}
+
+//==========================================================================
+//
+// DFrameBuffer Constructor
+//
+// A frame buffer canvas is the most common and represents the image that
+// gets drawn to the screen.
+//
+//==========================================================================
+
+DFrameBuffer::DFrameBuffer (int width, int height)
+{
+	SetSize(width, height);
+}
+
+void DFrameBuffer::SetSize(int width, int height)
+{
+	Width = ViewportScaledWidth(width, height);
+	Height = ViewportScaledHeight(width, height);
+}
+
+//==========================================================================
+//
+// DFrameBuffer :: DrawRateStuff
+//
+// Draws the fps counter, dot ticker, and palette debug.
+//
+//==========================================================================
+
+void DFrameBuffer::DrawRateStuff ()
+{
+	// Draws frame time and cumulative fps
+	if (vid_fps)
+	{
+		uint64_t ms = screen->FrameTime;
+		uint64_t howlong = ms - LastMS;
+		if ((signed)howlong >= 0)
+		{
+			char fpsbuff[40];
+			int chars;
+			int rate_x;
+
+			int textScale = active_con_scale();
+
+			chars = mysnprintf (fpsbuff, countof(fpsbuff), "%2llu ms (%3llu fps)", howlong, LastCount);
+			rate_x = Width / textScale - ConFont->StringWidth(&fpsbuff[0]);
+			Clear (rate_x * textScale, 0, Width, ConFont->GetHeight() * textScale, GPalette.BlackIndex, 0);
+			DrawText (ConFont, CR_WHITE, rate_x, 0, (char *)&fpsbuff[0],
+				DTA_VirtualWidth, screen->GetWidth() / textScale,
+				DTA_VirtualHeight, screen->GetHeight() / textScale,
+				DTA_KeepRatio, true, TAG_DONE);
+
+			uint32_t thisSec = (uint32_t)(ms/1000);
+			if (LastSec < thisSec)
+			{
+				LastCount = FrameCount / (thisSec - LastSec);
+				LastSec = thisSec;
+				FrameCount = 0;
+			}
+			FrameCount++;
+		}
+		LastMS = ms;
+	}
+
+	// draws little dots on the bottom of the screen
+	if (ticker)
+	{
+		int64_t t = I_GetTime();
+		int64_t tics = t - LastTic;
+
+		LastTic = t;
+		if (tics > 20) tics = 20;
+
+		int i;
+		for (i = 0; i < tics*2; i += 2)		Clear(i, Height-1, i+1, Height, 255, 0);
+		for ( ; i < 20*2; i += 2)			Clear(i, Height-1, i+1, Height, 0, 0);
+	}
+
+	// draws the palette for debugging
+	if (vid_showpalette)
+	{
+		V_DrawPaletteTester(vid_showpalette);
+	}
+}
+
+//==========================================================================
+//
+// Palette stuff.
+//
+//==========================================================================
+
+void DFrameBuffer::GetFlashedPalette(PalEntry pal[256])
+{
+	DoBlending(SourcePalette, pal, 256, Flash.r, Flash.g, Flash.b, Flash.a);
+}
+
+PalEntry *DFrameBuffer::GetPalette()
+{
+	return SourcePalette;
+}
+
+bool DFrameBuffer::SetFlash(PalEntry rgb, int amount)
+{
+	Flash = PalEntry(amount, rgb.r, rgb.g, rgb.b);
+	return true;
+}
+
+void DFrameBuffer::GetFlash(PalEntry &rgb, int &amount)
+{
+	rgb = Flash;
+	rgb.a = 0;
+	amount = Flash.a;
+}
+
+
+//==========================================================================
+//
+// DFrameBuffer :: SetVSync
+//
+// Turns vertical sync on and off, if supported.
+//
+//==========================================================================
+
+void DFrameBuffer::SetVSync (bool vsync)
+{
+}
+
+//==========================================================================
+//
+// DFrameBuffer :: WipeStartScreen
+//
+// Grabs a copy of the screen currently displayed to serve as the initial
+// frame of a screen wipe. Also determines which screenwipe will be
+// performed.
+//
+//==========================================================================
+
+bool DFrameBuffer::WipeStartScreen(int type)
+{
+	return false;
+}
+
+//==========================================================================
+//
+// DFrameBuffer :: WipeEndScreen
+//
+// Grabs a copy of the most-recently drawn, but not yet displayed, screen
+// to serve as the final frame of a screen wipe.
+//
+//==========================================================================
+
+void DFrameBuffer::WipeEndScreen()
+{
+}
+
+//==========================================================================
+//
+// DFrameBuffer :: WipeDo
+//
+// Draws one frame of a screenwipe. Should be called no more than 35
+// times per second. If called less than that, ticks indicates how many
+// ticks have passed since the last call.
+//
+//==========================================================================
+
+bool DFrameBuffer::WipeDo(int ticks)
+{
+	return false;
+}
+
+//==========================================================================
+//
+// DFrameBuffer :: WipeCleanup
+//
+//==========================================================================
+
+void DFrameBuffer::WipeCleanup()
+{
+}
+
+//==========================================================================
+//
+// DFrameBuffer :: InitPalette
+//
+//==========================================================================
+
+void DFrameBuffer::InitPalette()
+{
+	memcpy(SourcePalette, GPalette.BaseColors, sizeof(PalEntry) * 256);
+	UpdatePalette();
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void DFrameBuffer::BuildGammaTable(uint16_t *gammaTable)
+{
+	float gamma = clamp<float>(Gamma, 0.1f, 4.f);
+	float contrast = clamp<float>(vid_contrast, 0.1f, 3.f);
+	float bright = clamp<float>(vid_brightness, -0.8f, 0.8f);
+
+	double invgamma = 1 / gamma;
+	double norm = pow(255., invgamma - 1);
+
+	for (int i = 0; i < 256; i++)
+	{
+		double val = i * contrast - (contrast - 1) * 127;
+		val += bright * 128;
+		if (gamma != 1) val = pow(val, invgamma) / norm;
+
+		gammaTable[i] = gammaTable[i + 256] = gammaTable[i + 512] = (uint16_t)clamp<double>(val * 256, 0, 0xffff);
+	}
+}
+
+//==========================================================================
+//
+// DFrameBuffer :: GetCaps
+//
+//==========================================================================
+
+EXTERN_CVAR(Bool, r_drawvoxels)
+
+uint32_t DFrameBuffer::GetCaps()
+{
+	ActorRenderFeatureFlags FlagSet = 0;
+
+	if (V_IsPolyRenderer())
+		FlagSet |= RFF_POLYGONAL | RFF_TILTPITCH | RFF_SLOPE3DFLOORS;
+	else
+	{
+		FlagSet |= RFF_UNCLIPPEDTEX;
+		if (r_drawvoxels)
+			FlagSet |= RFF_VOXELS;
+	}
+
+	if (V_IsTrueColor())
+		FlagSet |= RFF_TRUECOLOR;
+	else
+		FlagSet |= RFF_COLORMAP;
+
+	return (uint32_t)FlagSet;
+}
+
+void DFrameBuffer::RenderTextureView(FCanvasTexture *tex, AActor *Viewpoint, double FOV)
+{
+	SWRenderer->RenderTextureView(tex, Viewpoint, FOV);
+}
+
+void DFrameBuffer::WriteSavePic(player_t *player, FileWriter *file, int width, int height)
+{
+	SWRenderer->WriteSavePic(player, file, width, height);
+}
+
+
+//==========================================================================
+//
+// Calculates the viewport values needed for 2D and 3D operations
+//
+//==========================================================================
+
+void DFrameBuffer::SetViewportRects(IntRect *bounds)
+{
+	if (bounds)
+	{
+		mSceneViewport = *bounds;
+		mScreenViewport = *bounds;
+		mOutputLetterbox = *bounds;
+		return;
+	}
+
+	// Special handling so the view with a visible status bar displays properly
+	int height, width;
+	if (screenblocks >= 10)
+	{
+		height = GetHeight();
+		width = GetWidth();
+	}
+	else
+	{
+		height = (screenblocks*GetHeight() / 10) & ~7;
+		width = (screenblocks*GetWidth() / 10);
+	}
+
+	// Back buffer letterbox for the final output
+	int clientWidth = GetClientWidth();
+	int clientHeight = GetClientHeight();
+	if (clientWidth == 0 || clientHeight == 0)
+	{
+		// When window is minimized there may not be any client area.
+		// Pretend to the rest of the render code that we just have a very small window.
+		clientWidth = 160;
+		clientHeight = 120;
+	}
+	int screenWidth = GetWidth();
+	int screenHeight = GetHeight();
+	float scaleX, scaleY;
+	if (ViewportIsScaled43())
+	{
+		scaleX = MIN(clientWidth / (float)screenWidth, clientHeight / (screenHeight * 1.2f));
+		scaleY = scaleX * 1.2f;
+	}
+	else
+	{
+		scaleX = MIN(clientWidth / (float)screenWidth, clientHeight / (float)screenHeight);
+		scaleY = scaleX;
+	}
+	mOutputLetterbox.width = (int)round(screenWidth * scaleX);
+	mOutputLetterbox.height = (int)round(screenHeight * scaleY);
+	mOutputLetterbox.left = (clientWidth - mOutputLetterbox.width) / 2;
+	mOutputLetterbox.top = (clientHeight - mOutputLetterbox.height) / 2;
+
+	// The entire renderable area, including the 2D HUD
+	mScreenViewport.left = 0;
+	mScreenViewport.top = 0;
+	mScreenViewport.width = screenWidth;
+	mScreenViewport.height = screenHeight;
+
+	// Viewport for the 3D scene
+	mSceneViewport.left = viewwindowx;
+	mSceneViewport.top = screenHeight - (height + viewwindowy - ((height - viewheight) / 2));
+	mSceneViewport.width = viewwidth;
+	mSceneViewport.height = height;
+
+	// Scale viewports to fit letterbox
+	bool notScaled = ((mScreenViewport.width == ViewportScaledWidth(mScreenViewport.width, mScreenViewport.height)) &&
+		(mScreenViewport.width == ViewportScaledHeight(mScreenViewport.width, mScreenViewport.height)) &&
+		!ViewportIsScaled43());
+	if (gl_scale_viewport && !IsFullscreen() && notScaled)
+	{
+		mScreenViewport.width = mOutputLetterbox.width;
+		mScreenViewport.height = mOutputLetterbox.height;
+		mSceneViewport.left = (int)round(mSceneViewport.left * scaleX);
+		mSceneViewport.top = (int)round(mSceneViewport.top * scaleY);
+		mSceneViewport.width = (int)round(mSceneViewport.width * scaleX);
+		mSceneViewport.height = (int)round(mSceneViewport.height * scaleY);
+	}
+}
+
+//===========================================================================
+// 
+// Calculates the OpenGL window coordinates for a zdoom screen position
+//
+//===========================================================================
+
+int DFrameBuffer::ScreenToWindowX(int x)
+{
+	return mScreenViewport.left + (int)round(x * mScreenViewport.width / (float)GetWidth());
+}
+
+int DFrameBuffer::ScreenToWindowY(int y)
+{
+	return mScreenViewport.top + mScreenViewport.height - (int)round(y * mScreenViewport.height / (float)GetHeight());
+}
+
+void DFrameBuffer::ScaleCoordsFromWindow(int16_t &x, int16_t &y)
+{
+	int letterboxX = mOutputLetterbox.left;
+	int letterboxY = mOutputLetterbox.top;
+	int letterboxWidth = mOutputLetterbox.width;
+	int letterboxHeight = mOutputLetterbox.height;
+
+	x = int16_t((x - letterboxX) * Width / letterboxWidth);
+	y = int16_t((y - letterboxY) * Height / letterboxHeight);
+}
+
+//===========================================================================
+// 
+// 
+//
+//===========================================================================
+
+#define DBGBREAK assert(0)
+
+class DDummyFrameBuffer : public DFrameBuffer
+{
+	typedef DFrameBuffer Super;
+public:
+	DDummyFrameBuffer(int width, int height)
+		: DFrameBuffer(0, 0)
+	{
+		SetVirtualSize(width, height);
+	}
+	// These methods should never be called.
+	void Update() { DBGBREAK; }
+	bool IsFullscreen() { DBGBREAK; return 0; }
+	int GetClientWidth() { DBGBREAK; return 0; }
+	int GetClientHeight() { DBGBREAK; return 0; }
+
+	float Gamma;
+};
+

src/v_video.cpp

@@ -1,5 +1,5 @@
 /*
-**
+** Video basics and init code.
 **
 **---------------------------------------------------------------------------
 ** Copyright 1999-2016 Randy Heit
@@ -31,13 +31,6 @@
 **---------------------------------------------------------------------------
 **
 */
-//-----------------------------------------------------------------------------
-//
-// DESCRIPTION:
-//		Functions to draw patches (by post) directly to screen->
-//		Functions to blit a block to the screen->
-//
-//-----------------------------------------------------------------------------
 
 
 #include <stdio.h>
@@ -74,10 +67,6 @@
 #include "i_time.h"
 
 EXTERN_CVAR(Bool, cl_capfps)
-EXTERN_CVAR(Float, vid_brightness)
-EXTERN_CVAR(Float, vid_contrast)
-CVAR(Bool, gl_scale_viewport, true, CVAR_ARCHIVE);
-EXTERN_CVAR(Int, screenblocks)
 
 CUSTOM_CVAR(Int, vid_maxfps, 200, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 {
@@ -156,10 +145,7 @@ DFrameBuffer *screen;
 
 CVAR (Int, vid_defwidth, 640, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 CVAR (Int, vid_defheight, 480, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
-CVAR (Int, vid_defbits, 8, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
-CVAR (Bool, vid_fps, false, 0)
 CVAR (Bool, ticker, false, 0)
-CVAR (Int, vid_showpalette, 0, 0)
 
 CUSTOM_CVAR (Bool, vid_vsync, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 {
@@ -171,10 +157,6 @@ CUSTOM_CVAR (Bool, vid_vsync, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 
 // [RH] Set true when vid_setmode command has been executed
 bool	setmodeneeded = false;
-// [RH] Resolution to change to when setmodeneeded is true
-int		NewWidth, NewHeight, NewBits;
-
-void V_DrawPaletteTester(int pal);
 
 //==========================================================================
 //
@@ -480,477 +462,6 @@ static void BuildTransTable (const PalEntry *palette)
 		}
 }
 
-//==========================================================================
-//
-// DCanvas :: CalcGamma
-//
-//==========================================================================
-
-void DFrameBuffer::CalcGamma (float gamma, uint8_t gammalookup[256])
-{
-	// I found this formula on the web at
-	// <http://panda.mostang.com/sane/sane-gamma.html>,
-	// but that page no longer exits.
-	double invgamma = 1.f / gamma;
-	int i;
-
-	for (i = 0; i < 256; i++)
-	{
-		gammalookup[i] = (uint8_t)(255.0 * pow (i / 255.0, invgamma) + 0.5);
-	}
-}
-
-//==========================================================================
-//
-// DSimpleCanvas Constructor
-//
-// A simple canvas just holds a buffer in main memory.
-//
-//==========================================================================
-
-DSimpleCanvas::DSimpleCanvas (int width, int height, bool bgra)
-	: DCanvas (width, height, bgra)
-{
-	PixelBuffer = nullptr;
-	Resize(width, height);
-}
-
-void DSimpleCanvas::Resize(int width, int height)
-{
-	Width = width;
-	Height = height;
-
-	if (PixelBuffer != NULL)
-	{
-		delete[] PixelBuffer;
-		PixelBuffer = NULL;
-	}
-
-	// Making the pitch a power of 2 is very bad for performance
-	// Try to maximize the number of cache lines that can be filled
-	// for each column drawing operation by making the pitch slightly
-	// longer than the width. The values used here are all based on
-	// empirical evidence.
-
-	if (width <= 640)
-	{
-		// For low resolutions, just keep the pitch the same as the width.
-		// Some speedup can be seen using the technique below, but the speedup
-		// is so marginal that I don't consider it worthwhile.
-		Pitch = width;
-	}
-	else
-	{
-		// If we couldn't figure out the CPU's L1 cache line size, assume
-		// it's 32 bytes wide.
-		if (CPU.DataL1LineSize == 0)
-		{
-			CPU.DataL1LineSize = 32;
-		}
-		// The Athlon and P3 have very different caches, apparently.
-		// I am going to generalize the Athlon's performance to all AMD
-		// processors and the P3's to all non-AMD processors. I don't know
-		// how smart that is, but I don't have a vast plethora of
-		// processors to test with.
-		if (CPU.bIsAMD)
-		{
-			Pitch = width + CPU.DataL1LineSize;
-		}
-		else
-		{
-			Pitch = width + MAX(0, CPU.DataL1LineSize - 8);
-		}
-	}
-	int bytes_per_pixel = Bgra ? 4 : 1;
-	PixelBuffer = new uint8_t[Pitch * height * bytes_per_pixel];
-	memset (PixelBuffer, 0, Pitch * height * bytes_per_pixel);
-}
-
-//==========================================================================
-//
-// DSimpleCanvas Destructor
-//
-//==========================================================================
-
-DSimpleCanvas::~DSimpleCanvas ()
-{
-	if (PixelBuffer != NULL)
-	{
-		delete[] PixelBuffer;
-		PixelBuffer = NULL;
-	}
-}
-
-//==========================================================================
-//
-// DFrameBuffer Constructor
-//
-// A frame buffer canvas is the most common and represents the image that
-// gets drawn to the screen.
-//
-//==========================================================================
-
-DFrameBuffer::DFrameBuffer (int width, int height)
-{
-	SetSize(width, height);
-}
-
-void DFrameBuffer::SetSize(int width, int height)
-{
-	Width = ViewportScaledWidth(width, height);
-	Height = ViewportScaledHeight(width, height);
-}
-
-//==========================================================================
-//
-// DFrameBuffer :: DrawRateStuff
-//
-// Draws the fps counter, dot ticker, and palette debug.
-//
-//==========================================================================
-
-void DFrameBuffer::DrawRateStuff ()
-{
-	// Draws frame time and cumulative fps
-	if (vid_fps)
-	{
-		uint64_t ms = screen->FrameTime;
-		uint64_t howlong = ms - LastMS;
-		if ((signed)howlong >= 0)
-		{
-			char fpsbuff[40];
-			int chars;
-			int rate_x;
-
-			int textScale = active_con_scale();
-
-			chars = mysnprintf (fpsbuff, countof(fpsbuff), "%2" PRIu64 " ms (%3" PRIu64 " fps)", howlong, LastCount);
-			rate_x = Width / textScale - ConFont->StringWidth(&fpsbuff[0]);
-			Clear (rate_x * textScale, 0, Width, ConFont->GetHeight() * textScale, GPalette.BlackIndex, 0);
-			DrawText (ConFont, CR_WHITE, rate_x, 0, (char *)&fpsbuff[0],
-				DTA_VirtualWidth, screen->GetWidth() / textScale,
-				DTA_VirtualHeight, screen->GetHeight() / textScale,
-				DTA_KeepRatio, true, TAG_DONE);
-
-			uint32_t thisSec = (uint32_t)(ms/1000);
-			if (LastSec < thisSec)
-			{
-				LastCount = FrameCount / (thisSec - LastSec);
-				LastSec = thisSec;
-				FrameCount = 0;
-			}
-			FrameCount++;
-		}
-		LastMS = ms;
-	}
-
-	// draws little dots on the bottom of the screen
-	if (ticker)
-	{
-		int64_t t = I_GetTime();
-		int64_t tics = t - LastTic;
-
-		LastTic = t;
-		if (tics > 20) tics = 20;
-
-		int i;
-		for (i = 0; i < tics*2; i += 2)		Clear(i, Height-1, i+1, Height, 255, 0);
-		for ( ; i < 20*2; i += 2)			Clear(i, Height-1, i+1, Height, 0, 0);
-	}
-
-	// draws the palette for debugging
-	if (vid_showpalette)
-	{
-		V_DrawPaletteTester(vid_showpalette);
-	}
-}
-
-//==========================================================================
-//
-// Palette stuff.
-//
-//==========================================================================
-
-void DFrameBuffer::GetFlashedPalette(PalEntry pal[256])
-{
-	DoBlending(SourcePalette, pal, 256, Flash.r, Flash.g, Flash.b, Flash.a);
-}
-
-PalEntry *DFrameBuffer::GetPalette()
-{
-	return SourcePalette;
-}
-
-bool DFrameBuffer::SetFlash(PalEntry rgb, int amount)
-{
-	Flash = PalEntry(amount, rgb.r, rgb.g, rgb.b);
-	return true;
-}
-
-void DFrameBuffer::GetFlash(PalEntry &rgb, int &amount)
-{
-	rgb = Flash;
-	rgb.a = 0;
-	amount = Flash.a;
-}
-
-
-//==========================================================================
-//
-// DFrameBuffer :: SetVSync
-//
-// Turns vertical sync on and off, if supported.
-//
-//==========================================================================
-
-void DFrameBuffer::SetVSync (bool vsync)
-{
-}
-
-//==========================================================================
-//
-// DFrameBuffer :: WipeStartScreen
-//
-// Grabs a copy of the screen currently displayed to serve as the initial
-// frame of a screen wipe. Also determines which screenwipe will be
-// performed.
-//
-//==========================================================================
-
-bool DFrameBuffer::WipeStartScreen(int type)
-{
-	return false;
-}
-
-//==========================================================================
-//
-// DFrameBuffer :: WipeEndScreen
-//
-// Grabs a copy of the most-recently drawn, but not yet displayed, screen
-// to serve as the final frame of a screen wipe.
-//
-//==========================================================================
-
-void DFrameBuffer::WipeEndScreen()
-{
-}
-
-//==========================================================================
-//
-// DFrameBuffer :: WipeDo
-//
-// Draws one frame of a screenwipe. Should be called no more than 35
-// times per second. If called less than that, ticks indicates how many
-// ticks have passed since the last call.
-//
-//==========================================================================
-
-bool DFrameBuffer::WipeDo(int ticks)
-{
-	return false;
-}
-
-//==========================================================================
-//
-// DFrameBuffer :: WipeCleanup
-//
-//==========================================================================
-
-void DFrameBuffer::WipeCleanup()
-{
-}
-
-//==========================================================================
-//
-// DFrameBuffer :: InitPalette
-//
-//==========================================================================
-
-void DFrameBuffer::InitPalette()
-{
-	memcpy(SourcePalette, GPalette.BaseColors, sizeof(PalEntry) * 256);
-	UpdatePalette();
-}
-
-//==========================================================================
-//
-//
-//
-//==========================================================================
-
-void DFrameBuffer::BuildGammaTable(uint16_t *gammaTable)
-{
-	float gamma = clamp<float>(Gamma, 0.1f, 4.f);
-	float contrast = clamp<float>(vid_contrast, 0.1f, 3.f);
-	float bright = clamp<float>(vid_brightness, -0.8f, 0.8f);
-
-	double invgamma = 1 / gamma;
-	double norm = pow(255., invgamma - 1);
-
-	for (int i = 0; i < 256; i++)
-	{
-		double val = i * contrast - (contrast - 1) * 127;
-		val += bright * 128;
-		if (gamma != 1) val = pow(val, invgamma) / norm;
-
-		gammaTable[i] = gammaTable[i + 256] = gammaTable[i + 512] = (uint16_t)clamp<double>(val * 256, 0, 0xffff);
-	}
-}
-
-//==========================================================================
-//
-// DFrameBuffer :: GetCaps
-//
-//==========================================================================
-
-EXTERN_CVAR(Bool, r_drawvoxels)
-
-uint32_t DFrameBuffer::GetCaps()
-{
-	ActorRenderFeatureFlags FlagSet = 0;
-
-	if (V_IsPolyRenderer())
-		FlagSet |= RFF_POLYGONAL | RFF_TILTPITCH | RFF_SLOPE3DFLOORS;
-	else
-	{
-		FlagSet |= RFF_UNCLIPPEDTEX;
-		if (r_drawvoxels)
-			FlagSet |= RFF_VOXELS;
-	}
-
-	if (V_IsTrueColor())
-		FlagSet |= RFF_TRUECOLOR;
-	else
-		FlagSet |= RFF_COLORMAP;
-
-	return (uint32_t)FlagSet;
-}
-
-void DFrameBuffer::RenderTextureView(FCanvasTexture *tex, AActor *Viewpoint, double FOV)
-{
-	SWRenderer->RenderTextureView(tex, Viewpoint, FOV);
-}
-
-void DFrameBuffer::WriteSavePic(player_t *player, FileWriter *file, int width, int height)
-{
-	SWRenderer->WriteSavePic(player, file, width, height);
-}
-
-
-//==========================================================================
-//
-// Calculates the viewport values needed for 2D and 3D operations
-//
-//==========================================================================
-
-void DFrameBuffer::SetViewportRects(IntRect *bounds)
-{
-	if (bounds)
-	{
-		mSceneViewport = *bounds;
-		mScreenViewport = *bounds;
-		mOutputLetterbox = *bounds;
-		return;
-	}
-
-	// Special handling so the view with a visible status bar displays properly
-	int height, width;
-	if (screenblocks >= 10)
-	{
-		height = GetHeight();
-		width = GetWidth();
-	}
-	else
-	{
-		height = (screenblocks*GetHeight() / 10) & ~7;
-		width = (screenblocks*GetWidth() / 10);
-	}
-
-	// Back buffer letterbox for the final output
-	int clientWidth = GetClientWidth();
-	int clientHeight = GetClientHeight();
-	if (clientWidth == 0 || clientHeight == 0)
-	{
-		// When window is minimized there may not be any client area.
-		// Pretend to the rest of the render code that we just have a very small window.
-		clientWidth = 160;
-		clientHeight = 120;
-	}
-	int screenWidth = GetWidth();
-	int screenHeight = GetHeight();
-	float scaleX, scaleY;
-	if (ViewportIsScaled43())
-	{
-		scaleX = MIN(clientWidth / (float)screenWidth, clientHeight / (screenHeight * 1.2f));
-		scaleY = scaleX * 1.2f;
-	}
-	else
-	{
-		scaleX = MIN(clientWidth / (float)screenWidth, clientHeight / (float)screenHeight);
-		scaleY = scaleX;
-	}
-	mOutputLetterbox.width = (int)round(screenWidth * scaleX);
-	mOutputLetterbox.height = (int)round(screenHeight * scaleY);
-	mOutputLetterbox.left = (clientWidth - mOutputLetterbox.width) / 2;
-	mOutputLetterbox.top = (clientHeight - mOutputLetterbox.height) / 2;
-
-	// The entire renderable area, including the 2D HUD
-	mScreenViewport.left = 0;
-	mScreenViewport.top = 0;
-	mScreenViewport.width = screenWidth;
-	mScreenViewport.height = screenHeight;
-
-	// Viewport for the 3D scene
-	mSceneViewport.left = viewwindowx;
-	mSceneViewport.top = screenHeight - (height + viewwindowy - ((height - viewheight) / 2));
-	mSceneViewport.width = viewwidth;
-	mSceneViewport.height = height;
-
-	// Scale viewports to fit letterbox
-	bool notScaled = ((mScreenViewport.width == ViewportScaledWidth(mScreenViewport.width, mScreenViewport.height)) &&
-		(mScreenViewport.width == ViewportScaledHeight(mScreenViewport.width, mScreenViewport.height)) &&
-		!ViewportIsScaled43());
-	if (gl_scale_viewport && !IsFullscreen() && notScaled)
-	{
-		mScreenViewport.width = mOutputLetterbox.width;
-		mScreenViewport.height = mOutputLetterbox.height;
-		mSceneViewport.left = (int)round(mSceneViewport.left * scaleX);
-		mSceneViewport.top = (int)round(mSceneViewport.top * scaleY);
-		mSceneViewport.width = (int)round(mSceneViewport.width * scaleX);
-		mSceneViewport.height = (int)round(mSceneViewport.height * scaleY);
-	}
-}
-
-//===========================================================================
-// 
-// Calculates the OpenGL window coordinates for a zdoom screen position
-//
-//===========================================================================
-
-int DFrameBuffer::ScreenToWindowX(int x)
-{
-	return mScreenViewport.left + (int)round(x * mScreenViewport.width / (float)GetWidth());
-}
-
-int DFrameBuffer::ScreenToWindowY(int y)
-{
-	return mScreenViewport.top + mScreenViewport.height - (int)round(y * mScreenViewport.height / (float)GetHeight());
-}
-
-void DFrameBuffer::ScaleCoordsFromWindow(int16_t &x, int16_t &y)
-{
-	int letterboxX = mOutputLetterbox.left;
-	int letterboxY = mOutputLetterbox.top;
-	int letterboxWidth = mOutputLetterbox.width;
-	int letterboxHeight = mOutputLetterbox.height;
-
-	x = int16_t((x - letterboxX) * Width / letterboxWidth);
-	y = int16_t((y - letterboxY) * Height / letterboxHeight);
-}
-
-
-
-
 CCMD(clean)
 {
 	Printf ("CleanXfac: %d\nCleanYfac: %d\n", CleanXfac, CleanYfac);
@@ -1109,9 +620,6 @@ void V_Init (bool restart)
 		if ( (i = Args->CheckValue ("-height")) )
 			height = atoi (i);
 
-		if ( (i = Args->CheckValue ("-bits")) )
-			bits = atoi (i);
-
 		if (width == 0)
 		{
 			if (height == 0)
@@ -1128,11 +636,10 @@ void V_Init (bool restart)
 		{
 			height = (width * 6) / 8;
 		}
+		// Remember the passed arguments for the next time the game starts up windowed.
+		vid_defwidth = width;
+		vid_defheight = height;
 
-		if (bits == 0)
-		{
-			bits = vid_defbits;
-		}
 		screen = new DDummyFrameBuffer (width, height);
 	}
 	// Update screen palette when restarting

src/v_video.h

@@ -408,6 +408,7 @@ public:
 
 	// Returns true if running fullscreen.
 	virtual bool IsFullscreen () = 0;
+	virtual void ToggleFullscreen(bool yes) {}
 
 	// Changes the vsync setting, if supported by the device.
 	virtual void SetVSync (bool vsync);

src/win32/gl_sysfb.h

@@ -7,6 +7,9 @@ class SystemFrameBuffer : public DFrameBuffer
 {
 	typedef DFrameBuffer Super;
 
+	void SaveWindowedPos();
+	void RestoreWindowedPos();
+
 public:
 	SystemFrameBuffer() {}
 	// Actually, hMonitor is a HMONITOR, but it's passed as a void * as there
@@ -17,16 +20,17 @@ public:
 	void SetVSync (bool vsync);
 	void SwapBuffers();
 
-	int GetClientWidth();
+	int GetClientWidth() override;
-	int GetClientHeight();
+	int GetClientHeight() override;
 
-	bool IsFullscreen();
+	bool IsFullscreen() override;
+	void ToggleFullscreen(bool yes) override;
 
 	void InitializeState();
 
 protected:
 
-	void PositionWindow();
+	void PositionWindow(bool fullscreen);
 
 	void ResetGammaTable();
 	void SetGammaTable(uint16_t * tbl);

src/win32/hardware.cpp

@@ -32,8 +32,10 @@
 **
 */
 
+#define _WIN32_WINNT 0x0501
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
+#include <mmsystem.h>
 
 #include "hardware.h"
 #include "c_dispatch.h"
@@ -44,10 +46,7 @@
 #include "swrenderer/r_swrenderer.h"
 
 EXTERN_CVAR (Bool, fullscreen)
-
+EXTERN_CVAR(Int, vid_maxfps)
-CVAR(Int, win_x, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
-CVAR(Int, win_y, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
-CVAR(Bool, win_maximized, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 
 extern HWND Window;
 
@@ -87,10 +86,6 @@ CUSTOM_CVAR(Int, vid_gpuswitch, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINI
 }
 
 
-CCMD (vid_restart)
-{
-}
-
 
 void I_ShutdownGraphics ()
 {
@@ -137,116 +132,87 @@ void I_InitGraphics ()
 	atterm (I_ShutdownGraphics);
 }
 
-/** Remaining code is common to Win32 and Linux **/
 
-// VIDEO WRAPPERS ---------------------------------------------------------
+static UINT FPSLimitTimer;
+HANDLE FPSLimitEvent;
 
+//==========================================================================
+//
+// SetFPSLimit
+//
+// Initializes an event timer to fire at a rate of <limit>/sec. The video
+// update will wait for this timer to trigger before updating.
+//
+// Pass 0 as the limit for unlimited.
+// Pass a negative value for the limit to use the value of vid_maxfps.
+//
+//==========================================================================
 
-static void GetCenteredPos (int &winx, int &winy, int &winw, int &winh, int &scrwidth, int &scrheight)
+static void StopFPSLimit()
 {
-	DEVMODE displaysettings;
+	I_SetFPSLimit(0);
-	RECT rect;
-	int cx, cy;
-
-	memset (&displaysettings, 0, sizeof(displaysettings));
-	displaysettings.dmSize = sizeof(displaysettings);
-	EnumDisplaySettings (NULL, ENUM_CURRENT_SETTINGS, &displaysettings);
-	scrwidth = (int)displaysettings.dmPelsWidth;
-	scrheight = (int)displaysettings.dmPelsHeight;
-	GetWindowRect (Window, &rect);
-	cx = scrwidth / 2;
-	cy = scrheight / 2;
-	winx = cx - (winw = rect.right - rect.left) / 2;
-	winy = cy - (winh = rect.bottom - rect.top) / 2;
 }
 
-static void KeepWindowOnScreen (int &winx, int &winy, int winw, int winh, int scrwidth, int scrheight)
+void I_SetFPSLimit(int limit)
 {
-	// If the window is too large to fit entirely on the screen, at least
+	if (limit < 0)
-	// keep its upperleft corner visible.
-	if (winx + winw > scrwidth)
 	{
-		winx = scrwidth - winw;
+		limit = vid_maxfps;
 	}
-	if (winx < 0)
+	// Kill any leftover timer.
+	if (FPSLimitTimer != 0)
 	{
-		winx = 0;
+		timeKillEvent(FPSLimitTimer);
+		FPSLimitTimer = 0;
 	}
-	if (winy + winh > scrheight)
+	if (limit == 0)
+	{ // no limit
+		if (FPSLimitEvent != NULL)
 		{
-		winy = scrheight - winh;
+			CloseHandle(FPSLimitEvent);
+			FPSLimitEvent = NULL;
 		}
-	if (winy < 0)
+		DPrintf(DMSG_NOTIFY, "FPS timer disabled\n");
-	{
-		winy = 0;
-	}
-}
-
-void I_SaveWindowedPos ()
-{
-	// Don't save if we were run with the -0 option.
-	if (Args->CheckParm ("-0"))
-	{
-		return;
-	}
-	// Make sure we only save the window position if it's not fullscreen.
-	static const int WINDOW_STYLE = WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX;
-	if ((GetWindowLong (Window, GWL_STYLE) & WINDOW_STYLE) == WINDOW_STYLE)
-	{
-		RECT wrect;
-
-		if (GetWindowRect (Window, &wrect))
-		{
-			// If (win_x,win_y) specify to center the window, don't change them
-			// if the window is still centered.
-			if (win_x < 0 || win_y < 0)
-			{
-				int winx, winy, winw, winh, scrwidth, scrheight;
-
-				GetCenteredPos (winx, winy, winw, winh, scrwidth, scrheight);
-				KeepWindowOnScreen (winx, winy, winw, winh, scrwidth, scrheight);
-				if (win_x < 0 && winx == wrect.left)
-				{
-					wrect.left = win_x;
-				}
-				if (win_y < 0 && winy == wrect.top)
-				{
-					wrect.top = win_y;
-				}
-			}
-			win_x = wrect.left;
-			win_y = wrect.top;
-		}
-
-		win_maximized = IsZoomed(Window) == TRUE;
-	}
-}
-
-void I_RestoreWindowedPos ()
-{
-	int winx, winy, winw, winh, scrwidth, scrheight;
-
-	GetCenteredPos (winx, winy, winw, winh, scrwidth, scrheight);
-
-	// Just move to (0,0) if we were run with the -0 option.
-	if (Args->CheckParm ("-0"))
-	{
-		winx = winy = 0;
 	}
 	else
 	{
-		if (win_x >= 0)
+		if (FPSLimitEvent == NULL)
 		{
-			winx = win_x;
+			FPSLimitEvent = CreateEvent(NULL, FALSE, TRUE, NULL);
+			if (FPSLimitEvent == NULL)
+			{ // Could not create event, so cannot use timer.
+				Printf(DMSG_WARNING, "Failed to create FPS limitter event\n");
+				return;
 			}
-		if (win_y >= 0)
+		}
+		atterm(StopFPSLimit);
+		// Set timer event as close as we can to limit/sec, in milliseconds.
+		UINT period = 1000 / limit;
+		FPSLimitTimer = timeSetEvent(period, 0, (LPTIMECALLBACK)FPSLimitEvent, 0, TIME_PERIODIC | TIME_CALLBACK_EVENT_SET);
+		if (FPSLimitTimer == 0)
 		{
-			winy = win_y;
+			CloseHandle(FPSLimitEvent);
+			FPSLimitEvent = NULL;
+			Printf("Failed to create FPS limiter timer\n");
+			return;
+		}
+		DPrintf(DMSG_NOTIFY, "FPS timer set to %u ms\n", period);
 	}
-		KeepWindowOnScreen (winx, winy, winw, winh, scrwidth, scrheight);
 }
-	MoveWindow (Window, winx, winy, winw, winh, TRUE);
 
-	if (win_maximized && !Args->CheckParm("-0"))
+//==========================================================================
-		ShowWindow(Window, SW_MAXIMIZE);
+//
+// StopFPSLimit
+//
+// Used for cleanup during application shutdown.
+//
+//==========================================================================
+
+void I_FPSLimit()
+{
+	if (FPSLimitEvent != NULL)
+	{
+		WaitForSingleObject(FPSLimitEvent, 1000);
 	}
+}
+

src/win32/hardware.h

@@ -37,9 +37,6 @@
 #include "i_video.h"
 #include "v_video.h"
 
-void I_SaveWindowedPos ();
-void I_RestoreWindowedPos ();
-
 void I_SetFPSLimit(int limit);
 void I_FPSLimit();
 

src/win32/win32gliface.cpp

@@ -66,7 +66,11 @@ PFNWGLCHOOSEPIXELFORMATARBPROC myWglChoosePixelFormatARB; // = (PFNWGLCHOOSEPIXE
 PFNWGLCREATECONTEXTATTRIBSARBPROC myWglCreateContextAttribsARB;
 PFNWGLSWAPINTERVALEXTPROC myWglSwapIntervalExtProc;
 
+CVAR(Int, vid_adapter, 1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 
+CVAR(Int, win_x, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
+CVAR(Int, win_y, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
+CVAR(Bool, win_maximized, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 
 CUSTOM_CVAR(Bool, gl_debug, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
 {
@@ -652,19 +656,163 @@ void Win32GLVideo::Shutdown()
 }
 
 
+
+
+
+//==========================================================================
+//
+// Windows framebuffer
+//
+//==========================================================================
+
+
 //==========================================================================
 //
 // 
 //
 //==========================================================================
 
-void SystemFrameBuffer::PositionWindow()
+static void GetCenteredPos(int &winx, int &winy, int &winw, int &winh, int &scrwidth, int &scrheight)
+{
+	DEVMODE displaysettings;
+	RECT rect;
+	int cx, cy;
+
+	memset(&displaysettings, 0, sizeof(displaysettings));
+	displaysettings.dmSize = sizeof(displaysettings);
+	EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &displaysettings);
+	scrwidth = (int)displaysettings.dmPelsWidth;
+	scrheight = (int)displaysettings.dmPelsHeight;
+	GetWindowRect(Window, &rect);
+	cx = scrwidth / 2;
+	cy = scrheight / 2;
+	winx = cx - (winw = rect.right - rect.left) / 2;
+	winy = cy - (winh = rect.bottom - rect.top) / 2;
+}
+
+//==========================================================================
+//
+// 
+//
+//==========================================================================
+
+static void KeepWindowOnScreen(int &winx, int &winy, int winw, int winh, int scrwidth, int scrheight)
+{
+	// If the window is too large to fit entirely on the screen, at least
+	// keep its upperleft corner visible.
+	if (winx + winw > scrwidth)
+	{
+		winx = scrwidth - winw;
+	}
+	if (winx < 0)
+	{
+		winx = 0;
+	}
+	if (winy + winh > scrheight)
+	{
+		winy = scrheight - winh;
+	}
+	if (winy < 0)
+	{
+		winy = 0;
+	}
+}
+
+//==========================================================================
+//
+// 
+//
+//==========================================================================
+
+void SystemFrameBuffer::SaveWindowedPos()
+{
+	// Don't save if we were run with the -0 option.
+	if (Args->CheckParm("-0"))
+	{
+		return;
+	}
+	// Make sure we only save the window position if it's not fullscreen.
+	static const int WINDOW_STYLE = WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX;
+	if ((GetWindowLong(Window, GWL_STYLE) & WINDOW_STYLE) == WINDOW_STYLE)
+	{
+		RECT wrect;
+
+		if (GetWindowRect(Window, &wrect))
+		{
+			// If (win_x,win_y) specify to center the window, don't change them
+			// if the window is still centered.
+			if (win_x < 0 || win_y < 0)
+			{
+				int winx, winy, winw, winh, scrwidth, scrheight;
+
+				GetCenteredPos(winx, winy, winw, winh, scrwidth, scrheight);
+				KeepWindowOnScreen(winx, winy, winw, winh, scrwidth, scrheight);
+				if (win_x < 0 && winx == wrect.left)
+				{
+					wrect.left = win_x;
+				}
+				if (win_y < 0 && winy == wrect.top)
+				{
+					wrect.top = win_y;
+				}
+			}
+			win_x = wrect.left;
+			win_y = wrect.top;
+		}
+
+		win_maximized = IsZoomed(Window) == TRUE;
+	}
+}
+
+//==========================================================================
+//
+// 
+//
+//==========================================================================
+
+void SystemFrameBuffer::RestoreWindowedPos()
+{
+	int winx, winy, winw, winh, scrwidth, scrheight;
+
+	GetCenteredPos(winx, winy, winw, winh, scrwidth, scrheight);
+
+	// Just move to (0,0) if we were run with the -0 option.
+	if (Args->CheckParm("-0"))
+	{
+		winx = winy = 0;
+	}
+	else
+	{
+		if (win_x >= 0)
+		{
+			winx = win_x;
+		}
+		if (win_y >= 0)
+		{
+			winy = win_y;
+		}
+		KeepWindowOnScreen(winx, winy, winw, winh, scrwidth, scrheight);
+	}
+	MoveWindow(Window, winx, winy, winw, winh, TRUE);
+
+	if (win_maximized && !Args->CheckParm("-0"))
+		ShowWindow(Window, SW_MAXIMIZE);
+}
+
+//==========================================================================
+//
+// 
+//
+//==========================================================================
+
+void SystemFrameBuffer::PositionWindow(bool fullscreen)
 {
 	RECT r;
 	LONG style, exStyle;
 
 	RECT monRect;
 
+	if (!m_Fullscreen) SaveWindowedPos();
 	if (m_Monitor)
 	{
 		MONITORINFOEX mi;
@@ -712,8 +860,9 @@ void SystemFrameBuffer::PositionWindow()
 		AdjustWindowRectEx(&windowRect, style, FALSE, exStyle);
 		MoveWindow(Window, windowRect.left, windowRect.top, windowRect.right - windowRect.left, windowRect.bottom - windowRect.top, FALSE);
 
-		I_RestoreWindowedPos();
+		RestoreWindowedPos();
 	}
+	m_Fullscreen = fullscreen;
 	SetSize(GetClientWidth(), GetClientHeight());
 }
 
@@ -726,12 +875,8 @@ void SystemFrameBuffer::PositionWindow()
 SystemFrameBuffer::SystemFrameBuffer(void *hMonitor, bool fullscreen) : DFrameBuffer(vid_defwidth, vid_defheight)
 {
 	m_Monitor = hMonitor;
-	m_Fullscreen = fullscreen;
-
-
 	m_displayDeviceName = 0;
-	PositionWindow();
+	PositionWindow(fullscreen);
-
 
 	if (!static_cast<Win32GLVideo *>(Video)->InitHardware(Window, 0))
 	{
@@ -778,7 +923,7 @@ SystemFrameBuffer::SystemFrameBuffer(void *hMonitor, bool fullscreen) : DFrameBu
 SystemFrameBuffer::~SystemFrameBuffer()
 {
 	ResetGammaTable();
-	I_SaveWindowedPos();
+	SaveWindowedPos();
 
 	ShowWindow (Window, SW_SHOW);
 	SetWindowLong(Window, GWL_STYLE, WS_VISIBLE | WS_CLIPSIBLINGS | WS_OVERLAPPEDWINDOW);
@@ -837,6 +982,17 @@ bool SystemFrameBuffer::IsFullscreen()
 	return m_Fullscreen;
 }
 
+//==========================================================================
+//
+// 
+//
+//==========================================================================
+
+void SystemFrameBuffer::ToggleFullscreen(bool yes)
+{
+	PositionWindow(yes);
+}
+
 //==========================================================================
 //
 // 

src/win32/win32video.cpp

@@ -42,108 +42,3 @@
 #include "c_cvars.h"
 #include "i_system.h"
 
-// MACROS ------------------------------------------------------------------
-
-// TYPES -------------------------------------------------------------------
-
-// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
-
-// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
-
-static void StopFPSLimit();
-
-// EXTERNAL DATA DECLARATIONS ----------------------------------------------
-
-EXTERN_CVAR(Int, vid_maxfps)
-
-// PRIVATE DATA DEFINITIONS ------------------------------------------------
-
-static UINT FPSLimitTimer;
-
-// PUBLIC DATA DEFINITIONS -------------------------------------------------
-
-HANDLE FPSLimitEvent;
-
-CVAR (Int, vid_adapter, 1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
-
-
-//==========================================================================
-//
-// SetFPSLimit
-//
-// Initializes an event timer to fire at a rate of <limit>/sec. The video
-// update will wait for this timer to trigger before updating.
-//
-// Pass 0 as the limit for unlimited.
-// Pass a negative value for the limit to use the value of vid_maxfps.
-//
-//==========================================================================
-
-void I_SetFPSLimit(int limit)
-{
-	if (limit < 0)
-	{
-		limit = vid_maxfps;
-	}
-	// Kill any leftover timer.
-	if (FPSLimitTimer != 0)
-	{
-		timeKillEvent(FPSLimitTimer);
-		FPSLimitTimer = 0;
-	}
-	if (limit == 0)
-	{ // no limit
-		if (FPSLimitEvent != NULL)
-		{
-			CloseHandle(FPSLimitEvent);
-			FPSLimitEvent = NULL;
-		}
-		DPrintf(DMSG_NOTIFY, "FPS timer disabled\n");
-	}
-	else
-	{
-		if (FPSLimitEvent == NULL)
-		{
-			FPSLimitEvent = CreateEvent(NULL, FALSE, TRUE, NULL);
-			if (FPSLimitEvent == NULL)
-			{ // Could not create event, so cannot use timer.
-				Printf(DMSG_WARNING, "Failed to create FPS limitter event\n");
-				return;
-			}
-		}
-		atterm(StopFPSLimit);
-		// Set timer event as close as we can to limit/sec, in milliseconds.
-		UINT period = 1000 / limit;
-		FPSLimitTimer = timeSetEvent(period, 0, (LPTIMECALLBACK)FPSLimitEvent, 0, TIME_PERIODIC | TIME_CALLBACK_EVENT_SET);
-		if (FPSLimitTimer == 0)
-		{
-			CloseHandle(FPSLimitEvent);
-			FPSLimitEvent = NULL;
-			Printf("Failed to create FPS limiter timer\n");
-			return;
-		}
-		DPrintf(DMSG_NOTIFY, "FPS timer set to %u ms\n", period);
-	}
-}
-
-//==========================================================================
-//
-// StopFPSLimit
-//
-// Used for cleanup during application shutdown.
-//
-//==========================================================================
-
-static void StopFPSLimit()
-{
-	I_SetFPSLimit(0);
-}
-
-void I_FPSLimit()
-{
-	if (FPSLimitEvent != NULL)
-	{
-		WaitForSingleObject(FPSLimitEvent, 1000);
-	}
-}
-