- moved several more functions from FGLRenderer to GLSceneDrawer.

This commit is contained in:
Christoph Oelckers 2017-03-12 12:03:54 +01:00
parent 90c42519b7
commit e4d7d9de8b
6 changed files with 82 additions and 81 deletions

View file

@ -47,6 +47,7 @@
#include "gl/system/gl_cvars.h"
#include "gl/renderer/gl_renderstate.h"
#include "gl/scene/gl_drawinfo.h"
#include "gl/scene/gl_scenedrawer.h"
#include "gl/data/gl_vertexbuffer.h"
@ -756,7 +757,7 @@ void GLWall::RenderLightsCompat(int pass)
//
//==========================================================================
void FGLRenderer::RenderMultipassStuff()
void GLSceneDrawer::RenderMultipassStuff()
{
// First pass: empty background with sector light only
@ -790,7 +791,7 @@ void FGLRenderer::RenderMultipassStuff()
// second pass: draw lights
glDepthMask(false);
if (mLightCount && !gl_fixedcolormap)
if (GLRenderer->mLightCount && !gl_fixedcolormap)
{
if (gl_SetupLightTexture())
{

View file

@ -158,21 +158,12 @@ public:
int ScreenToWindowX(int x);
int ScreenToWindowY(int y);
angle_t FrustumAngle();
void SetViewArea();
void Set3DViewport(bool mainview);
void Reset3DViewport();
sector_t *RenderViewpoint (AActor * camera, GL_IRECT * bounds, float fov, float ratio, float fovratio, bool mainview, bool toscreen);
void RenderView(player_t *player);
void SetViewAngle(DAngle viewangle);
void SetupView(float viewx, float viewy, float viewz, DAngle viewangle, bool mirror, bool planemirror);
void Initialize(int width, int height);
void RenderMultipassStuff();
void RenderScene(int recursion);
void RenderTranslucent();
void DrawScene(int drawmode);
void DrawBlend(sector_t * viewsector);
void DrawPSprite (player_t * player,DPSprite *psp,float sx, float sy, bool hudModelStep, int OverrideShader, bool alphatexture);
@ -208,10 +199,6 @@ public:
void DrawPresentTexture(const GL_IRECT &box, bool applyGamma);
void Flush();
void SetProjection(float fov, float ratio, float fovratio);
void SetProjection(VSMatrix matrix); // raw matrix input from stereo 3d modes
void SetViewMatrix(float vx, float vy, float vz, bool mirror, bool planemirror);
void ProcessScene(bool toscreen = false);
bool StartOffscreen();
void EndOffscreen();

View file

@ -328,7 +328,7 @@ inline void GLPortal::ClearClipper()
}
// and finally clip it to the visible area
angle_t a1 = GLRenderer->FrustumAngle();
angle_t a1 = drawer->FrustumAngle();
if (a1 < ANGLE_180) drawer->clipper.SafeAddClipRangeRealAngles(r_viewpoint.Angles.Yaw.BAMs() + a1, r_viewpoint.Angles.Yaw.BAMs() - a1);
// lock the parts that have just been clipped out.
@ -363,7 +363,7 @@ void GLPortal::End(bool usestencil)
GLRenderer->mViewActor=savedviewactor;
in_area=savedviewarea;
if (r_viewpoint.camera != nullptr) r_viewpoint.camera->renderflags = (r_viewpoint.camera->renderflags & ~RF_MAYBEINVISIBLE) | savedvisibility;
GLRenderer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
{
ScopedColorMask colorMask(0, 0, 0, 0); // glColorMask(0, 0, 0, 0); // no graphics
@ -422,7 +422,7 @@ void GLPortal::End(bool usestencil)
GLRenderer->mViewActor=savedviewactor;
in_area=savedviewarea;
if (r_viewpoint.camera != nullptr) r_viewpoint.camera->renderflags |= savedvisibility;
GLRenderer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
// This draws a valid z-buffer into the stencil's contents to ensure it
// doesn't get overwritten by the level's geometry.
@ -648,8 +648,8 @@ void GLSkyboxPortal::DrawContents()
GLRenderer->mViewActor = origin;
inskybox = true;
GLRenderer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
GLRenderer->SetViewArea();
drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
drawer->SetViewArea();
ClearClipper();
int mapsection = R_PointInSubsector(r_viewpoint.Pos)->mapsection;
@ -657,7 +657,7 @@ void GLSkyboxPortal::DrawContents()
SaveMapSection();
currentmapsection[mapsection >> 3] |= 1 << (mapsection & 7);
GLRenderer->DrawScene(DM_SKYPORTAL);
drawer->DrawScene(DM_SKYPORTAL);
portal->mFlags &= ~PORTSF_INSKYBOX;
inskybox = false;
gl_RenderState.SetDepthClamp(oldclamp);
@ -744,7 +744,7 @@ void GLSectorStackPortal::DrawContents()
// avoid recursions!
if (origin->plane != -1) instack[origin->plane]++;
GLRenderer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
SaveMapSection();
SetupCoverage();
ClearClipper();
@ -758,7 +758,7 @@ void GLSectorStackPortal::DrawContents()
drawer->clipper.SetBlocked(true);
}
GLRenderer->DrawScene(DM_PORTAL);
drawer->DrawScene(DM_PORTAL);
RestoreMapSection();
if (origin->plane != -1) instack[origin->plane]--;
@ -801,11 +801,11 @@ void GLPlaneMirrorPortal::DrawContents()
PlaneMirrorMode = origin->fC() < 0 ? -1 : 1;
PlaneMirrorFlag++;
GLRenderer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
ClearClipper();
gl_RenderState.SetClipHeight(planez, PlaneMirrorMode < 0 ? -1.f : 1.f);
GLRenderer->DrawScene(DM_PORTAL);
drawer->DrawScene(DM_PORTAL);
gl_RenderState.SetClipHeight(0.f, 0.f);
PlaneMirrorFlag--;
PlaneMirrorMode = old_pm;
@ -967,11 +967,11 @@ void GLMirrorPortal::DrawContents()
GLRenderer->mViewActor = NULL;
MirrorFlag++;
GLRenderer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
drawer->clipper.Clear();
angle_t af = GLRenderer->FrustumAngle();
angle_t af = drawer->FrustumAngle();
if (af<ANGLE_180) drawer->clipper.SafeAddClipRangeRealAngles(r_viewpoint.Angles.Yaw.BAMs()+af, r_viewpoint.Angles.Yaw.BAMs()-af);
angle_t a2 = linedef->v1->GetClipAngle();
@ -980,7 +980,7 @@ void GLMirrorPortal::DrawContents()
gl_RenderState.SetClipLine(linedef);
gl_RenderState.EnableClipLine(true);
GLRenderer->DrawScene(DM_PORTAL);
drawer->DrawScene(DM_PORTAL);
gl_RenderState.EnableClipLine(false);
MirrorFlag--;
@ -1049,12 +1049,12 @@ void GLLineToLinePortal::DrawContents()
}
GLRenderer->mViewActor = nullptr;
GLRenderer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
ClearClipper();
gl_RenderState.SetClipLine(glport->lines[0]->mDestination);
gl_RenderState.EnableClipLine(true);
GLRenderer->DrawScene(DM_PORTAL);
drawer->DrawScene(DM_PORTAL);
gl_RenderState.EnableClipLine(false);
RestoreMapSection();
}

View file

@ -100,18 +100,18 @@ void gl_ParseDefs();
// R_FrustumAngle
//
//-----------------------------------------------------------------------------
angle_t FGLRenderer::FrustumAngle()
angle_t GLSceneDrawer::FrustumAngle()
{
float tilt= fabs(mAngles.Pitch.Degrees);
float tilt = fabs(GLRenderer->mAngles.Pitch.Degrees);
// If the pitch is larger than this you can look all around at a FOV of 90°
if (tilt>46.0f) return 0xffffffff;
if (tilt > 46.0f) return 0xffffffff;
// ok, this is a gross hack that barely works...
// but at least it doesn't overestimate too much...
double floatangle=2.0+(45.0+((tilt/1.9)))*mCurrentFoV*48.0/AspectMultiplier(r_viewwindow.WidescreenRatio)/90.0;
double floatangle = 2.0 + (45.0 + ((tilt / 1.9)))*GLRenderer->mCurrentFoV*48.0 / AspectMultiplier(r_viewwindow.WidescreenRatio) / 90.0;
angle_t a1 = DAngle(floatangle).BAMs();
if (a1>=ANGLE_180) return 0xffffffff;
if (a1 >= ANGLE_180) return 0xffffffff;
return a1;
}
@ -120,7 +120,7 @@ angle_t FGLRenderer::FrustumAngle()
// Sets the area the camera is in
//
//-----------------------------------------------------------------------------
void FGLRenderer::SetViewArea()
void GLSceneDrawer::SetViewArea()
{
// The render_sector is better suited to represent the current position in GL
r_viewpoint.sector = R_PointInSubsector(r_viewpoint.Pos)->render_sector;
@ -155,12 +155,12 @@ void FGLRenderer::Reset3DViewport()
//
//-----------------------------------------------------------------------------
void FGLRenderer::Set3DViewport(bool mainview)
void GLSceneDrawer::Set3DViewport(bool mainview)
{
if (mainview && mBuffers->Setup(mScreenViewport.width, mScreenViewport.height, mSceneViewport.width, mSceneViewport.height))
if (mainview && GLRenderer->mBuffers->Setup(GLRenderer->mScreenViewport.width, GLRenderer->mScreenViewport.height, GLRenderer->mSceneViewport.width, GLRenderer->mSceneViewport.height))
{
bool useSSAO = (gl_ssao != 0);
mBuffers->BindSceneFB(useSSAO);
GLRenderer->mBuffers->BindSceneFB(useSSAO);
gl_RenderState.SetPassType(useSSAO ? GBUFFER_PASS : NORMAL_PASS);
gl_RenderState.EnableDrawBuffers(gl_RenderState.GetPassDrawBufferCount());
gl_RenderState.Apply();
@ -170,10 +170,10 @@ void FGLRenderer::Set3DViewport(bool mainview)
// This is faster on newer hardware because it allows the GPU to skip
// reading from slower memory where the full buffers are stored.
glDisable(GL_SCISSOR_TEST);
glClearColor(mSceneClearColor[0], mSceneClearColor[1], mSceneClearColor[2], 1.0f);
glClearColor(GLRenderer->mSceneClearColor[0], GLRenderer->mSceneClearColor[1], GLRenderer->mSceneClearColor[2], 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
const auto &bounds = mSceneViewport;
const auto &bounds = GLRenderer->mSceneViewport;
glViewport(bounds.left, bounds.top, bounds.width, bounds.height);
glScissor(bounds.left, bounds.top, bounds.width, bounds.height);
@ -192,12 +192,12 @@ void FGLRenderer::Set3DViewport(bool mainview)
//
//-----------------------------------------------------------------------------
void FGLRenderer::SetViewAngle(DAngle viewangle)
void GLSceneDrawer::SetViewAngle(DAngle viewangle)
{
mAngles.Yaw = float(270.0-viewangle.Degrees);
GLRenderer->mAngles.Yaw = float(270.0-viewangle.Degrees);
DVector2 v = r_viewpoint.Angles.Yaw.ToVector();
mViewVector.X = v.X;
mViewVector.Y = v.Y;
GLRenderer->mViewVector.X = v.X;
GLRenderer->mViewVector.Y = v.Y;
R_SetViewAngle(r_viewpoint, r_viewwindow);
}
@ -210,15 +210,7 @@ void FGLRenderer::SetViewAngle(DAngle viewangle)
//
//-----------------------------------------------------------------------------
void FGLRenderer::SetProjection(float fov, float ratio, float fovratio)
{
float fovy = 2 * RAD2DEG(atan(tan(DEG2RAD(fov) / 2) / fovratio));
gl_RenderState.mProjectionMatrix.perspective(fovy, ratio, GetZNear(), GetZFar());
}
// raw matrix input from stereo 3d modes
void FGLRenderer::SetProjection(VSMatrix matrix)
void GLSceneDrawer::SetProjection(VSMatrix matrix)
{
gl_RenderState.mProjectionMatrix.loadIdentity();
gl_RenderState.mProjectionMatrix.multMatrix(matrix);
@ -230,7 +222,7 @@ void FGLRenderer::SetProjection(VSMatrix matrix)
//
//-----------------------------------------------------------------------------
void FGLRenderer::SetViewMatrix(float vx, float vy, float vz, bool mirror, bool planemirror)
void GLSceneDrawer::SetViewMatrix(float vx, float vy, float vz, bool mirror, bool planemirror)
{
float mult = mirror? -1:1;
float planemult = planemirror? -glset.pixelstretch : glset.pixelstretch;
@ -250,7 +242,7 @@ void FGLRenderer::SetViewMatrix(float vx, float vy, float vz, bool mirror, bool
// Setup the view rotation matrix for the given viewpoint
//
//-----------------------------------------------------------------------------
void FGLRenderer::SetupView(float vx, float vy, float vz, DAngle va, bool mirror, bool planemirror)
void GLSceneDrawer::SetupView(float vx, float vy, float vz, DAngle va, bool mirror, bool planemirror)
{
SetViewAngle(va);
SetViewMatrix(vx, vy, vz, mirror, planemirror);
@ -267,9 +259,8 @@ void FGLRenderer::SetupView(float vx, float vy, float vz, DAngle va, bool mirror
void GLSceneDrawer::CreateScene()
{
angle_t a1 = GLRenderer->FrustumAngle();
angle_t a1 = FrustumAngle();
InitClipper(r_viewpoint.Angles.Yaw.BAMs() + a1, r_viewpoint.Angles.Yaw.BAMs() - a1);
GLPortal::drawer = this;
// reset the portal manager
GLPortal::StartFrame();
@ -306,7 +297,7 @@ void GLSceneDrawer::CreateScene()
//
//-----------------------------------------------------------------------------
void FGLRenderer::RenderScene(int recursion)
void GLSceneDrawer::RenderScene(int recursion)
{
RenderAll.Clock();
@ -329,7 +320,7 @@ void FGLRenderer::RenderScene(int recursion)
// if we don't have a persistently mapped buffer, we have to process all the dynamic lights up front,
// so that we don't have to do repeated map/unmap calls on the buffer.
bool haslights = mLightCount > 0 && gl_fixedcolormap == CM_DEFAULT && gl_lights;
bool haslights = GLRenderer->mLightCount > 0 && gl_fixedcolormap == CM_DEFAULT && gl_lights;
if (gl.lightmethod == LM_DEFERRED && haslights)
{
GLRenderer->mLights->Begin();
@ -358,7 +349,7 @@ void FGLRenderer::RenderScene(int recursion)
{
pass = GLPASS_ALL;
}
else
else // GL 2.x legacy mode
{
// process everything that needs to handle textured dynamic lights.
if (haslights) RenderMultipassStuff();
@ -445,7 +436,7 @@ void FGLRenderer::RenderScene(int recursion)
//
//-----------------------------------------------------------------------------
void FGLRenderer::RenderTranslucent()
void GLSceneDrawer::RenderTranslucent()
{
RenderAll.Clock();
@ -477,7 +468,7 @@ void FGLRenderer::RenderTranslucent()
//
//-----------------------------------------------------------------------------
void FGLRenderer::DrawScene(int drawmode)
void GLSceneDrawer::DrawScene(int drawmode)
{
static int recursion=0;
static int ssao_portals_available = 0;
@ -498,17 +489,15 @@ void FGLRenderer::DrawScene(int drawmode)
ssao_portals_available--;
}
GLSceneDrawer drawer;
if (r_viewpoint.camera != nullptr)
{
ActorRenderFlags savedflags = r_viewpoint.camera->renderflags;
drawer.CreateScene();
CreateScene();
r_viewpoint.camera->renderflags = savedflags;
}
else
{
drawer.CreateScene();
CreateScene();
}
GLRenderer->mClipPortal = NULL; // this must be reset before any portal recursion takes place.
@ -517,8 +506,8 @@ void FGLRenderer::DrawScene(int drawmode)
if (applySSAO && gl_RenderState.GetPassType() == GBUFFER_PASS)
{
gl_RenderState.EnableDrawBuffers(1);
AmbientOccludeScene();
mBuffers->BindSceneFB(true);
GLRenderer->AmbientOccludeScene();
GLRenderer->mBuffers->BindSceneFB(true);
gl_RenderState.EnableDrawBuffers(gl_RenderState.GetPassDrawBufferCount());
gl_RenderState.Apply();
gl_RenderState.ApplyMatrices();
@ -732,7 +721,7 @@ void FGLRenderer::EndDrawScene(sector_t * viewsector)
//
//-----------------------------------------------------------------------------
void FGLRenderer::ProcessScene(bool toscreen)
void GLSceneDrawer::ProcessScene(bool toscreen)
{
FDrawInfo::StartDrawInfo();
iter_dlightf = iter_dlight = draw_dlight = draw_dlightf = 0;
@ -800,12 +789,14 @@ void FGLRenderer::SetFixedColormap (player_t *player)
sector_t * FGLRenderer::RenderViewpoint (AActor * camera, GL_IRECT * bounds, float fov, float ratio, float fovratio, bool mainview, bool toscreen)
{
GLSceneDrawer drawer;
sector_t * lviewsector;
mSceneClearColor[0] = 0.0f;
mSceneClearColor[1] = 0.0f;
mSceneClearColor[2] = 0.0f;
R_SetupFrame (r_viewpoint, r_viewwindow, camera);
SetViewArea();
drawer.SetViewArea();
// We have to scale the pitch to account for the pixel stretching, because the playsim doesn't know about this and treats it as 1:1.
double radPitch = r_viewpoint.Angles.Pitch.Normalized180().Radians();
@ -844,20 +835,20 @@ sector_t * FGLRenderer::RenderViewpoint (AActor * camera, GL_IRECT * bounds, flo
const s3d::EyePose * eye = stereo3dMode.getEyePose(eye_ix);
eye->SetUp();
SetOutputViewport(bounds);
Set3DViewport(mainview);
drawer.Set3DViewport(mainview);
mDrawingScene2D = true;
mCurrentFoV = fov;
// Stereo mode specific perspective projection
SetProjection( eye->GetProjection(fov, ratio, fovratio) );
drawer.SetProjection( eye->GetProjection(fov, ratio, fovratio) );
// SetProjection(fov, ratio, fovratio); // switch to perspective mode and set up clipper
SetViewAngle(r_viewpoint.Angles.Yaw);
drawer.SetViewAngle(r_viewpoint.Angles.Yaw);
// Stereo mode specific viewpoint adjustment - temporarily shifts global ViewPos
eye->GetViewShift(GLRenderer->mAngles.Yaw.Degrees, viewShift);
s3d::ScopedViewShifter viewShifter(viewShift);
SetViewMatrix(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, false, false);
drawer.SetViewMatrix(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, false, false);
gl_RenderState.ApplyMatrices();
ProcessScene(toscreen);
drawer.ProcessScene(toscreen);
if (mainview && toscreen) EndDrawScene(lviewsector); // do not call this for camera textures.
if (mainview && FGLRenderBuffers::IsEnabled())
{

View file

@ -3,6 +3,7 @@
#include "r_defs.h"
#include "m_fixed.h"
#include "gl_clipper.h"
#include "gl_portal.h"
class GLSceneDrawer
{
@ -10,7 +11,9 @@ class GLSceneDrawer
subsector_t *currentsubsector; // used by the line processing code.
sector_t *currentsector;
void RenderMultipassStuff();
void UnclipSubsector(subsector_t *sub);
void AddLine (seg_t *seg, bool portalclip);
void PolySubsector(subsector_t * sub);
@ -22,11 +25,29 @@ class GLSceneDrawer
void DoSubsector(subsector_t * sub);
void RenderBSPNode(void *node);
public:
Clipper clipper;
void RenderScene(int recursion);
void RenderTranslucent();
void CreateScene();
public:
GLSceneDrawer()
{
GLPortal::drawer = this;
}
Clipper clipper;
angle_t FrustumAngle();
void SetViewMatrix(float vx, float vy, float vz, bool mirror, bool planemirror);
void SetViewArea();
void SetupView(float vx, float vy, float vz, DAngle va, bool mirror, bool planemirror);
void SetViewAngle(DAngle viewangle);
void SetProjection(VSMatrix matrix);
void Set3DViewport(bool mainview);
void DrawScene(int drawmode);
void ProcessScene(bool toscreen = false);
void InitClipper(angle_t a1, angle_t a2)
{
clipper.SafeAddClipRangeRealAngles(a1, a2);

View file

@ -68,6 +68,7 @@
#include "gl/renderer/gl_lightdata.h"
#include "gl/renderer/gl_renderstate.h"
#include "gl/scene/gl_drawinfo.h"
#include "gl/scene/gl_scenedrawer.h"
#include "gl/scene/gl_portal.h"
#include "gl/shaders/gl_shader.h"
#include "gl/textures/gl_bitmap.h"
@ -519,7 +520,7 @@ void GLSkyPortal::DrawContents()
bool oldClamp = gl_RenderState.SetDepthClamp(true);
gl_MatrixStack.Push(gl_RenderState.mViewMatrix);
GLRenderer->SetupView(0, 0, 0, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
drawer->SetupView(0, 0, 0, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
gl_RenderState.SetVertexBuffer(GLRenderer->mSkyVBO);
if (origin->texture[0] && origin->texture[0]->tex->gl_info.bSkybox)