mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-12-16 15:21:02 +00:00
494 lines
13 KiB
C++
494 lines
13 KiB
C++
/*
|
|
** r_swrender.cpp
|
|
** Software renderer interface
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 2011 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 "r_local.h"
|
|
#include "v_palette.h"
|
|
#include "v_video.h"
|
|
#include "m_png.h"
|
|
#include "scene/r_bsp.h"
|
|
#include "r_swrenderer.h"
|
|
#include "scene/r_3dfloors.h"
|
|
#include "textures/textures.h"
|
|
#include "r_data/voxels.h"
|
|
#include "drawers/r_draw_rgba.h"
|
|
#include "drawers/r_drawers.h"
|
|
#include "polyrenderer/poly_renderer.h"
|
|
#include "p_setup.h"
|
|
|
|
void gl_ParseDefs();
|
|
void gl_InitData();
|
|
|
|
EXTERN_CVAR(Bool, r_shadercolormaps)
|
|
EXTERN_CVAR(Float, maxviewpitch) // [SP] CVAR from GZDoom
|
|
|
|
CUSTOM_CVAR(Bool, r_polyrenderer, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
|
|
{
|
|
if (self == 1 && !hasglnodes)
|
|
{
|
|
Printf("No GL BSP detected. You must restart the map before rendering will be correct\n");
|
|
}
|
|
|
|
if (usergame)
|
|
{
|
|
// [SP] Update pitch limits to the netgame/gamesim.
|
|
players[consoleplayer].SendPitchLimits();
|
|
}
|
|
}
|
|
|
|
namespace swrenderer
|
|
{
|
|
|
|
void R_SWRSetWindow(int windowSize, int fullWidth, int fullHeight, int stHeight, float trueratio);
|
|
void R_SetupColormap(player_t *);
|
|
void R_SetupFreelook();
|
|
void R_InitRenderer();
|
|
|
|
}
|
|
|
|
using namespace swrenderer;
|
|
|
|
FSoftwareRenderer::FSoftwareRenderer()
|
|
{
|
|
}
|
|
|
|
FSoftwareRenderer::~FSoftwareRenderer()
|
|
{
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DCanvas :: Init
|
|
//
|
|
//==========================================================================
|
|
|
|
void FSoftwareRenderer::Init()
|
|
{
|
|
gl_ParseDefs();
|
|
|
|
r_swtruecolor = screen->IsBgra();
|
|
R_InitRenderer();
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DCanvas :: UsesColormap
|
|
//
|
|
//==========================================================================
|
|
|
|
bool FSoftwareRenderer::UsesColormap() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
// Texture precaching
|
|
//
|
|
//===========================================================================
|
|
|
|
void FSoftwareRenderer::PrecacheTexture(FTexture *tex, int cache)
|
|
{
|
|
if (tex != NULL)
|
|
{
|
|
if (cache & FTextureManager::HIT_Columnmode)
|
|
{
|
|
const FTexture::Span *spanp;
|
|
if (r_swtruecolor)
|
|
tex->GetColumnBgra(0, &spanp);
|
|
else
|
|
tex->GetColumn(0, &spanp);
|
|
}
|
|
else if (cache != 0)
|
|
{
|
|
if (r_swtruecolor)
|
|
tex->GetPixelsBgra();
|
|
else
|
|
tex->GetPixels ();
|
|
}
|
|
else
|
|
{
|
|
tex->Unload ();
|
|
}
|
|
}
|
|
}
|
|
|
|
void FSoftwareRenderer::Precache(BYTE *texhitlist, TMap<PClassActor*, bool> &actorhitlist)
|
|
{
|
|
BYTE *spritelist = new BYTE[sprites.Size()];
|
|
TMap<PClassActor*, bool>::Iterator it(actorhitlist);
|
|
TMap<PClassActor*, bool>::Pair *pair;
|
|
|
|
memset(spritelist, 0, sprites.Size());
|
|
|
|
while (it.NextPair(pair))
|
|
{
|
|
PClassActor *cls = pair->Key;
|
|
|
|
for (int i = 0; i < cls->NumOwnedStates; i++)
|
|
{
|
|
spritelist[cls->OwnedStates[i].sprite] = true;
|
|
}
|
|
}
|
|
|
|
// Precache textures (and sprites).
|
|
|
|
for (int i = (int)(sprites.Size() - 1); i >= 0; i--)
|
|
{
|
|
if (spritelist[i])
|
|
{
|
|
int j, k;
|
|
for (j = 0; j < sprites[i].numframes; j++)
|
|
{
|
|
const spriteframe_t *frame = &SpriteFrames[sprites[i].spriteframes + j];
|
|
|
|
for (k = 0; k < 16; k++)
|
|
{
|
|
FTextureID pic = frame->Texture[k];
|
|
if (pic.isValid())
|
|
{
|
|
texhitlist[pic.GetIndex()] = FTextureManager::HIT_Sprite;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
delete[] spritelist;
|
|
|
|
int cnt = TexMan.NumTextures();
|
|
for (int i = cnt - 1; i >= 0; i--)
|
|
{
|
|
PrecacheTexture(TexMan.ByIndex(i), texhitlist[i]);
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
// Render the view
|
|
//
|
|
//===========================================================================
|
|
|
|
void FSoftwareRenderer::RenderView(player_t *player)
|
|
{
|
|
if (r_polyrenderer)
|
|
{
|
|
bool saved_swtruecolor = r_swtruecolor;
|
|
r_swtruecolor = screen->IsBgra();
|
|
|
|
PolyRenderer::Instance()->RenderActorView(player->mo, false);
|
|
FCanvasTextureInfo::UpdateAll();
|
|
|
|
// Apply special colormap if the target cannot do it
|
|
if (realfixedcolormap && r_swtruecolor && !(r_shadercolormaps && screen->Accel2D))
|
|
{
|
|
R_BeginDrawerCommands();
|
|
DrawerCommandQueue::QueueCommand<ApplySpecialColormapRGBACommand>(realfixedcolormap, screen);
|
|
R_EndDrawerCommands();
|
|
}
|
|
|
|
r_swtruecolor = saved_swtruecolor;
|
|
|
|
return;
|
|
}
|
|
|
|
if (r_swtruecolor != screen->IsBgra())
|
|
{
|
|
r_swtruecolor = screen->IsBgra();
|
|
R_InitColumnDrawers();
|
|
}
|
|
|
|
R_BeginDrawerCommands();
|
|
R_RenderActorView (player->mo);
|
|
// [RH] Let cameras draw onto textures that were visible this frame.
|
|
FCanvasTextureInfo::UpdateAll ();
|
|
|
|
// Apply special colormap if the target cannot do it
|
|
if (realfixedcolormap && r_swtruecolor && !(r_shadercolormaps && screen->Accel2D))
|
|
{
|
|
DrawerCommandQueue::QueueCommand<ApplySpecialColormapRGBACommand>(realfixedcolormap, screen);
|
|
}
|
|
|
|
R_EndDrawerCommands();
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
void FSoftwareRenderer::RemapVoxels()
|
|
{
|
|
for (unsigned i=0; i<Voxels.Size(); i++)
|
|
{
|
|
Voxels[i]->Remap();
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
// Render the view to a savegame picture
|
|
//
|
|
//===========================================================================
|
|
|
|
void FSoftwareRenderer::WriteSavePic (player_t *player, FileWriter *file, int width, int height)
|
|
{
|
|
DCanvas *pic = new DSimpleCanvas (width, height, false);
|
|
PalEntry palette[256];
|
|
|
|
// Take a snapshot of the player's view
|
|
pic->ObjectFlags |= OF_Fixed;
|
|
pic->Lock ();
|
|
if (r_polyrenderer)
|
|
PolyRenderer::Instance()->RenderViewToCanvas(player->mo, pic, 0, 0, width, height, true);
|
|
else
|
|
R_RenderViewToCanvas (player->mo, pic, 0, 0, width, height);
|
|
screen->GetFlashedPalette (palette);
|
|
M_CreatePNG (file, pic->GetBuffer(), palette, SS_PAL, width, height, pic->GetPitch());
|
|
pic->Unlock ();
|
|
pic->Destroy();
|
|
pic->ObjectFlags |= OF_YesReallyDelete;
|
|
delete pic;
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
//
|
|
//
|
|
//===========================================================================
|
|
|
|
void FSoftwareRenderer::DrawRemainingPlayerSprites()
|
|
{
|
|
if (!r_polyrenderer)
|
|
{
|
|
R_DrawRemainingPlayerSprites();
|
|
}
|
|
else
|
|
{
|
|
PolyRenderer::Instance()->RenderRemainingPlayerSprites();
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
// Get max. view angle (renderer specific information so it goes here now)
|
|
//
|
|
//===========================================================================
|
|
#define MAX_DN_ANGLE 56 // Max looking down angle
|
|
#define MAX_UP_ANGLE 32 // Max looking up angle
|
|
|
|
int FSoftwareRenderer::GetMaxViewPitch(bool down)
|
|
{
|
|
return (r_polyrenderer) ? int(maxviewpitch) : (down ? MAX_DN_ANGLE : MAX_UP_ANGLE);
|
|
}
|
|
|
|
bool FSoftwareRenderer::RequireGLNodes()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// OnModeSet
|
|
//
|
|
// Called from V_SetResolution()
|
|
//
|
|
//==========================================================================
|
|
|
|
void FSoftwareRenderer::OnModeSet ()
|
|
{
|
|
R_MultiresInit ();
|
|
|
|
RenderTarget = screen;
|
|
screen->Lock (true);
|
|
R_SetupBuffer ();
|
|
screen->Unlock ();
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
//
|
|
//
|
|
//===========================================================================
|
|
|
|
void FSoftwareRenderer::ErrorCleanup ()
|
|
{
|
|
fakeActive = 0;
|
|
fake3D = 0;
|
|
while (CurrentSkybox)
|
|
{
|
|
R_3D_DeleteHeights();
|
|
R_3D_LeaveSkybox();
|
|
}
|
|
R_3D_ResetClip();
|
|
R_3D_DeleteHeights();
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
//
|
|
//
|
|
//===========================================================================
|
|
|
|
void FSoftwareRenderer::ClearBuffer(int color)
|
|
{
|
|
// [SP] For now, for truecolor, this just outputs black. We'll figure out how to get something more meaningful
|
|
// later when this actually matters more. This is just to clear HOMs for now.
|
|
if (!r_swtruecolor)
|
|
memset(RenderTarget->GetBuffer(), color, RenderTarget->GetPitch() * RenderTarget->GetHeight());
|
|
else
|
|
memset(RenderTarget->GetBuffer(), 0, RenderTarget->GetPitch() * RenderTarget->GetHeight() * 4);
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
//
|
|
//
|
|
//===========================================================================
|
|
|
|
void FSoftwareRenderer::SetWindow (int windowSize, int fullWidth, int fullHeight, int stHeight, float trueratio)
|
|
{
|
|
R_SWRSetWindow(windowSize, fullWidth, fullHeight, stHeight, trueratio);
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
//
|
|
//
|
|
//===========================================================================
|
|
|
|
void FSoftwareRenderer::SetupFrame(player_t *player)
|
|
{
|
|
R_SetupColormap(player);
|
|
R_SetupFreelook();
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// R_CopyStackedViewParameters
|
|
//
|
|
//==========================================================================
|
|
|
|
void FSoftwareRenderer::CopyStackedViewParameters()
|
|
{
|
|
R_CopyStackedViewParameters();
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
void FSoftwareRenderer::RenderTextureView (FCanvasTexture *tex, AActor *viewpoint, int fov)
|
|
{
|
|
BYTE *Pixels = r_swtruecolor ? (BYTE*)tex->GetPixelsBgra() : (BYTE*)tex->GetPixels();
|
|
DSimpleCanvas *Canvas = r_swtruecolor ? tex->GetCanvasBgra() : tex->GetCanvas();
|
|
|
|
// curse Doom's overuse of global variables in the renderer.
|
|
// These get clobbered by rendering to a camera texture but they need to be preserved so the final rendering can be done with the correct palette.
|
|
FSWColormap *savecolormap = fixedcolormap;
|
|
FSpecialColormap *savecm = realfixedcolormap;
|
|
|
|
DAngle savedfov = FieldOfView;
|
|
R_SetFOV ((double)fov);
|
|
if (r_polyrenderer)
|
|
PolyRenderer::Instance()->RenderViewToCanvas(viewpoint, Canvas, 0, 0, tex->GetWidth(), tex->GetHeight(), tex->bFirstUpdate);
|
|
else
|
|
R_RenderViewToCanvas (viewpoint, Canvas, 0, 0, tex->GetWidth(), tex->GetHeight(), tex->bFirstUpdate);
|
|
R_SetFOV (savedfov);
|
|
|
|
if (Canvas->IsBgra())
|
|
{
|
|
if (Pixels == Canvas->GetBuffer())
|
|
{
|
|
FTexture::FlipSquareBlockBgra((uint32_t*)Pixels, tex->GetWidth(), tex->GetHeight());
|
|
}
|
|
else
|
|
{
|
|
FTexture::FlipNonSquareBlockBgra((uint32_t*)Pixels, (const uint32_t*)Canvas->GetBuffer(), tex->GetWidth(), tex->GetHeight(), Canvas->GetPitch());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (Pixels == Canvas->GetBuffer())
|
|
{
|
|
FTexture::FlipSquareBlockRemap(Pixels, tex->GetWidth(), tex->GetHeight(), GPalette.Remap);
|
|
}
|
|
else
|
|
{
|
|
FTexture::FlipNonSquareBlockRemap(Pixels, Canvas->GetBuffer(), tex->GetWidth(), tex->GetHeight(), Canvas->GetPitch(), GPalette.Remap);
|
|
}
|
|
}
|
|
|
|
if (r_swtruecolor)
|
|
{
|
|
// True color render still sometimes uses palette textures (for sprites, mostly).
|
|
// We need to make sure that both pixel buffers contain data:
|
|
int width = tex->GetWidth();
|
|
int height = tex->GetHeight();
|
|
BYTE *palbuffer = (BYTE *)tex->GetPixels();
|
|
uint32_t *bgrabuffer = (uint32_t*)tex->GetPixelsBgra();
|
|
for (int x = 0; x < width; x++)
|
|
{
|
|
for (int y = 0; y < height; y++)
|
|
{
|
|
uint32_t color = bgrabuffer[y];
|
|
int r = RPART(color);
|
|
int g = GPART(color);
|
|
int b = BPART(color);
|
|
palbuffer[y] = RGB32k.RGB[r >> 3][g >> 3][b >> 3];
|
|
}
|
|
palbuffer += height;
|
|
bgrabuffer += height;
|
|
}
|
|
}
|
|
|
|
tex->SetUpdated();
|
|
|
|
fixedcolormap = savecolormap;
|
|
realfixedcolormap = savecm;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
sector_t *FSoftwareRenderer::FakeFlat(sector_t *sec, sector_t *tempsec, int *floorlightlevel, int *ceilinglightlevel, bool back)
|
|
{
|
|
return R_FakeFlat(sec, tempsec, floorlightlevel, ceilinglightlevel, back);
|
|
}
|
|
|