- moved the Stereo3D EyePose to their own file in hwrenderer/.

src/CMakeLists.txt

@@ -697,6 +697,7 @@ file( GLOB HEADER_FILES
 	hwrenderer/dynlights/*.h
 	hwrenderer/postprocessing/*.h
 	hwrenderer/scene/*.h
+	hwrenderer/stereo3d/*.h
 	hwrenderer/textures/*.h
 	hwrenderer/utility/*.h
 	gl/*.h
@@ -1073,6 +1074,7 @@ set (PCH_SOURCES
 	hwrenderer/data/flatvertices.cpp
 	hwrenderer/dynlights/hw_aabbtree.cpp
 	hwrenderer/dynlights/hw_shadowmap.cpp
+	hwrenderer/stereo3d/hw_eyepose.cpp
 	hwrenderer/scene/hw_skydome.cpp
 	hwrenderer/postprocessing/hw_postprocess_cvars.cpp
 	hwrenderer/postprocessing/hw_postprocessshader.cpp

src/d_main.cpp

@@ -707,6 +707,7 @@ void D_Display ()
 		wipe = false;
 		wipegamestate = gamestate;
 	}
+	// No wipes when in a stereo3D VR mode
 	else if (gamestate != wipegamestate && gamestate != GS_FULLCONSOLE && gamestate != GS_TITLELEVEL && (vr_mode == 0 || vid_rendermode != 4))
 	{ // save the current screen if about to wipe
 		switch (wipegamestate)

src/gl/renderer/gl_postprocess.cpp

@@ -114,8 +114,8 @@ void FGLRenderer::AmbientOccludeScene(float m5)
 	mBuffers->BindSceneColorTexture(1);
 	mLinearDepthShader->Bind(NOQUEUE);
 	if (gl_multisample > 1) mLinearDepthShader->Uniforms->SampleIndex = 0;
-	mLinearDepthShader->Uniforms->LinearizeDepthA = 1.0f / GetZFar() - 1.0f / GetZNear();
-	mLinearDepthShader->Uniforms->LinearizeDepthB = MAX(1.0f / GetZNear(), 1.e-8f);
+	mLinearDepthShader->Uniforms->LinearizeDepthA = 1.0f / screen->GetZFar() - 1.0f / screen->GetZNear();
+	mLinearDepthShader->Uniforms->LinearizeDepthB = MAX(1.0f / screen->GetZNear(), 1.e-8f);
 	mLinearDepthShader->Uniforms->InverseDepthRangeA = 1.0f;
 	mLinearDepthShader->Uniforms->InverseDepthRangeB = 0.0f;
 	mLinearDepthShader->Uniforms->Scale = sceneScale;

src/gl/renderer/gl_renderer.h

@@ -158,9 +158,6 @@ public:
 	void FillSimplePoly(FTexture *texture, FVector2 *points, int npoints,
 		double originx, double originy, double scalex, double scaley,
 		DAngle rotation, const FColormap &colormap, PalEntry flatcolor, int lightlevel, int bottomclip);
-
-	static float GetZNear() { return 5.f; }
-	static float GetZFar() { return 65536.f; }
 };
 
 #include "hwrenderer/scene/hw_fakeflat.h"

src/gl/scene/gl_scene.cpp

@@ -470,7 +470,7 @@ sector_t * FGLRenderer::RenderViewpoint (FRenderViewpoint &mainvp, AActor * came
 	stereo3dMode.SetUp();
 	for (int eye_ix = 0; eye_ix < stereo3dMode.eye_count(); ++eye_ix)
 	{
-		const s3d::EyePose * eye = stereo3dMode.getEyePose(eye_ix);
+		const auto eye = stereo3dMode.getEyePose(eye_ix);
 		eye->SetUp();
 		screen->SetViewportRects(bounds);
 		Set3DViewport(mainview);

src/gl/stereo3d/gl_sidebyside3d.h

@@ -61,22 +61,6 @@ private:
 	RightEyePose rightEye;
 };
 
-class SBSFLeftEyePose : public LeftEyePose {
-public:
-	SBSFLeftEyePose(double ipdMeters) : LeftEyePose(ipdMeters) {}
-	virtual VSMatrix GetProjection(float fov, float aspectRatio, float fovRatio) const override {
-		return LeftEyePose::GetProjection(fov, 0.5f * aspectRatio, fovRatio);
-	}
-};
-
-class SBSFRightEyePose : public RightEyePose {
-public:
-	SBSFRightEyePose(double ipdMeters) : RightEyePose(ipdMeters) {}
-	virtual VSMatrix GetProjection(float fov, float aspectRatio, float fovRatio) const override {
-		return RightEyePose::GetProjection(fov, 0.5f * aspectRatio, fovRatio);
-	}
-};
-
 class SideBySideFull : public SideBySideBase
 {
 public:

src/gl/stereo3d/gl_stereo3d.cpp

@@ -31,34 +31,6 @@
 namespace s3d {
 
 
-/* virtual */
-VSMatrix EyePose::GetProjection(float fov, float aspectRatio, float fovRatio) const
-{
-	VSMatrix result;
-
-	float fovy = (float)(2 * RAD2DEG(atan(tan(DEG2RAD(fov) / 2) / fovRatio)));
-	result.perspective(fovy, aspectRatio, FGLRenderer::GetZNear(), FGLRenderer::GetZFar());
-
-	return result;
-}
-
-/* virtual */
-Viewport EyePose::GetViewport(const Viewport& fullViewport) const 
-{
-	return fullViewport;
-}
-
-
-/* virtual */
-void EyePose::GetViewShift(float yaw, float outViewShift[3]) const
-{
-	// pass-through for Mono view
-	outViewShift[0] = 0;
-	outViewShift[1] = 0;
-	outViewShift[2] = 0;
-}
-
-
 Stereo3DMode::Stereo3DMode()
 {
 }

src/gl/stereo3d/gl_stereo3d.h

@@ -32,34 +32,11 @@
 #include "tarray.h"
 #include "r_data/matrix.h"
 #include "gl/renderer/gl_renderer.h"
-
+#include "hwrenderer/stereo3d/hw_eyepose.h"
 
 /* stereoscopic 3D API */
 namespace s3d {
 
-
-/* Subregion of current display window */
-class Viewport
-{
-public:
-	int x, y;
-	int width, height;
-};
-
-
-/* Viewpoint of one eye */
-class EyePose 
-{
-public:
-	EyePose() {}
-	virtual ~EyePose() {}
-	virtual VSMatrix GetProjection(float fov, float aspectRatio, float fovRatio) const;
-	virtual Viewport GetViewport(const Viewport& fullViewport) const;
-	virtual void GetViewShift(float yaw, float outViewShift[3]) const;
-	virtual void SetUp() const {};
-};
-
-
 /* Base class for stereoscopic 3D rendering modes */
 class Stereo3DMode
 {

src/gl/stereo3d/gl_stereo_leftright.cpp

@@ -34,52 +34,9 @@
 #include "gl/renderer/gl_renderer.h"
 #include "gl/renderer/gl_renderbuffers.h"
 
-EXTERN_CVAR(Float, vr_screendist)
-EXTERN_CVAR(Float, vr_hunits_per_meter)
-EXTERN_CVAR(Bool, vr_swap_eyes)
-
 namespace s3d {
 
 
-/* virtual */
-VSMatrix ShiftedEyePose::GetProjection(float fov, float aspectRatio, float fovRatio) const
-{
-	double zNear = 5.0;
-	double zFar = 65536.0;
-
-	// For stereo 3D, use asymmetric frustum shift in projection matrix
-	// Q: shouldn't shift vary with roll angle, at least for desktop display?
-	// A: No. (lab) roll is not measured on desktop display (yet)
-	double frustumShift = zNear * getShift() / vr_screendist; // meters cancel, leaving doom units
-	// double frustumShift = 0; // Turning off shift for debugging
-	double fH = zNear * tan(DEG2RAD(fov) / 2) / fovRatio;
-	double fW = fH * aspectRatio;
-	double left = -fW - frustumShift;
-	double right = fW - frustumShift;
-	double bottom = -fH;
-	double top = fH;
-
-	VSMatrix result(1);
-	result.frustum(left, right, bottom, top, zNear, zFar);
-	return result;
-}
-
-
-/* virtual */
-void ShiftedEyePose::GetViewShift(float yaw, float outViewShift[3]) const
-{
-	float dx = -cos(DEG2RAD(yaw)) * vr_hunits_per_meter * getShift();
-	float dy = sin(DEG2RAD(yaw)) * vr_hunits_per_meter * getShift();
-	outViewShift[0] = dx;
-	outViewShift[1] = dy;
-	outViewShift[2] = 0;
-}
-
-float ShiftedEyePose::getShift() const 
-{
-	return vr_swap_eyes ? -shift : shift;
-}
-
 /* static */
 const LeftEyeView& LeftEyeView::getInstance(float ipd)
 {

src/gl/stereo3d/gl_stereo_leftright.h

@@ -33,40 +33,6 @@
 namespace s3d {
 
 
-class ShiftedEyePose : public EyePose
-{
-public:
-	ShiftedEyePose(float shift) : shift(shift) {};
-	float getShift() const;
-	virtual VSMatrix GetProjection(float fov, float aspectRatio, float fovRatio) const;
-	virtual void GetViewShift(float yaw, float outViewShift[3]) const;
-
-protected:
-	void setShift(float shift) { this->shift = shift; }
-
-private:
-	float shift;
-};
-
-
-class LeftEyePose : public ShiftedEyePose
-{
-public:
-	LeftEyePose(float ipd) : ShiftedEyePose( float(-0.5) * ipd) {}
-	float getIpd() const { return float(fabs(2.0f*getShift())); }
-	void setIpd(float ipd) { setShift(float(-0.5)*ipd); }
-};
-
-
-class RightEyePose : public ShiftedEyePose
-{
-public:
-	RightEyePose(float ipd) : ShiftedEyePose(float(+0.5)*ipd) {}
-	float getIpd() const { return float(fabs(2.0f*getShift())); }
-	void setIpd(float ipd) { setShift(float(+0.5)*ipd); }
-};
-
-
 /**
  * As if viewed through the left eye only
  */
@@ -76,7 +42,6 @@ public:
 	static const LeftEyeView& getInstance(float ipd);
 
 	LeftEyeView(float ipd) : eye(ipd) { eye_ptrs.Push(&eye); }
-	float getIpd() const { return eye.getIpd(); }
 	void setIpd(float ipd) { eye.setIpd(ipd); }
 	void Present() const override;
 protected:
@@ -90,7 +55,6 @@ public:
 	static const RightEyeView& getInstance(float ipd);
 
 	RightEyeView(float ipd) : eye(ipd) { eye_ptrs.Push(&eye); }
-	float getIpd() const { return eye.getIpd(); }
 	void setIpd(float ipd) { eye.setIpd(ipd); }
 	void Present() const override;
 protected:

src/hwrenderer/stereo3d/hw_eyepose.cpp

@@ -0,0 +1,97 @@
+// 
+//---------------------------------------------------------------------------
+//
+// Copyright(C) 2015 Christopher Bruns
+// All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see http://www.gnu.org/licenses/
+//
+//--------------------------------------------------------------------------
+//
+/*
+** gl_stereo_leftright.cpp
+** Offsets for left and right eye views
+**
+*/
+
+#include "vectors.h" // RAD2DEG
+#include "doomtype.h" // M_PI
+#include "hwrenderer/utility/hw_cvars.h"
+#include "hw_eyepose.h"
+#include "v_video.h"
+
+EXTERN_CVAR(Float, vr_screendist)
+EXTERN_CVAR(Float, vr_hunits_per_meter)
+EXTERN_CVAR(Bool, vr_swap_eyes)
+
+
+/* virtual */
+VSMatrix EyePose::GetProjection(float fov, float aspectRatio, float fovRatio) const
+{
+	VSMatrix result;
+
+	float fovy = (float)(2 * RAD2DEG(atan(tan(DEG2RAD(fov) / 2) / fovRatio)));
+	result.perspective(fovy, aspectRatio, screen->GetZNear(), screen->GetZFar());
+
+	return result;
+}
+
+/* virtual */
+void EyePose::GetViewShift(float yaw, float outViewShift[3]) const
+{
+	// pass-through for Mono view
+	outViewShift[0] = 0;
+	outViewShift[1] = 0;
+	outViewShift[2] = 0;
+}
+
+/* virtual */
+VSMatrix ShiftedEyePose::GetProjection(float fov, float aspectRatio, float fovRatio) const
+{
+	double zNear = screen->GetZNear();
+	double zFar = screen->GetZFar();
+
+	// For stereo 3D, use asymmetric frustum shift in projection matrix
+	// Q: shouldn't shift vary with roll angle, at least for desktop display?
+	// A: No. (lab) roll is not measured on desktop display (yet)
+	double frustumShift = zNear * getShift() / vr_screendist; // meters cancel, leaving doom units
+	// double frustumShift = 0; // Turning off shift for debugging
+	double fH = zNear * tan(DEG2RAD(fov) / 2) / fovRatio;
+	double fW = fH * aspectRatio;
+	double left = -fW - frustumShift;
+	double right = fW - frustumShift;
+	double bottom = -fH;
+	double top = fH;
+
+	VSMatrix result(1);
+	result.frustum((float)left, (float)right, (float)bottom, (float)top, (float)zNear, (float)zFar);
+	return result;
+}
+
+
+/* virtual */
+void ShiftedEyePose::GetViewShift(float yaw, float outViewShift[3]) const
+{
+	float dx = -cos(DEG2RAD(yaw)) * vr_hunits_per_meter * getShift();
+	float dy = sin(DEG2RAD(yaw)) * vr_hunits_per_meter * getShift();
+	outViewShift[0] = dx;
+	outViewShift[1] = dy;
+	outViewShift[2] = 0;
+}
+
+float ShiftedEyePose::getShift() const 
+{
+	return vr_swap_eyes ? -shift : shift;
+}
+

src/hwrenderer/stereo3d/hw_eyepose.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "r_data/matrix.h"
+
+
+/* Viewpoint of one eye */
+class EyePose 
+{
+public:
+	EyePose() {}
+	virtual ~EyePose() {}
+	virtual VSMatrix GetProjection(float fov, float aspectRatio, float fovRatio) const;
+	virtual void GetViewShift(float yaw, float outViewShift[3]) const;
+	virtual void SetUp() const {}
+};
+
+class ShiftedEyePose : public EyePose
+{
+public:
+	ShiftedEyePose(float shift) : shift(shift) {};
+	float getShift() const;
+	virtual VSMatrix GetProjection(float fov, float aspectRatio, float fovRatio) const;
+	virtual void GetViewShift(float yaw, float outViewShift[3]) const;
+
+protected:
+	void setShift(float shift) { this->shift = shift; }
+
+private:
+	float shift;
+};
+
+
+class LeftEyePose : public ShiftedEyePose
+{
+public:
+	LeftEyePose(float ipd) : ShiftedEyePose( -0.5f * ipd) {}
+	void setIpd(float ipd) { setShift(-0.5f * ipd); }
+};
+
+
+class RightEyePose : public ShiftedEyePose
+{
+public:
+	RightEyePose(float ipd) : ShiftedEyePose(0.5f * ipd) {}
+	void setIpd(float ipd) { setShift(0.5f * ipd); }
+};
+
+
+class SBSFLeftEyePose : public LeftEyePose {
+public:
+	SBSFLeftEyePose(float ipdMeters) : LeftEyePose(ipdMeters) {}
+	virtual VSMatrix GetProjection(float fov, float aspectRatio, float fovRatio) const override {
+		return LeftEyePose::GetProjection(fov, 0.5f * aspectRatio, fovRatio);
+	}
+};
+
+class SBSFRightEyePose : public RightEyePose {
+public:
+	SBSFRightEyePose(float ipdMeters) : RightEyePose(ipdMeters) {}
+	virtual VSMatrix GetProjection(float fov, float aspectRatio, float fovRatio) const override {
+		return RightEyePose::GetProjection(fov, 0.5f * aspectRatio, fovRatio);
+	}
+};

src/v_video.h

@@ -527,6 +527,9 @@ public:
 	// points to the last row in the buffer, which will be the first row output.
 	virtual void GetScreenshotBuffer(const uint8_t *&buffer, int &pitch, ESSType &color_type, float &gamma) {}
 
+	static float GetZNear() { return 5.f; }
+	static float GetZFar() { return 65536.f; }
+
 	// The original size of the framebuffer as selected in the video menu.
 	uint64_t FrameTime = 0;