diff options
Diffstat (limited to 'src/extras/screendroplets.cpp')
| -rw-r--r-- | src/extras/screendroplets.cpp | 791 |
1 files changed, 791 insertions, 0 deletions
diff --git a/src/extras/screendroplets.cpp b/src/extras/screendroplets.cpp new file mode 100644 index 00000000..2d34cdcb --- /dev/null +++ b/src/extras/screendroplets.cpp @@ -0,0 +1,791 @@ +#define WITH_D3D +#include "common.h" + +#ifdef SCREEN_DROPLETS + +#ifndef LIBRW +#error "Need librw for SCREEN_DROPLETS" +#endif + +#include "General.h" +#include "Main.h" +#include "RwHelper.h" +#include "Main.h" +#include "Timer.h" +#include "Camera.h" +#include "ZoneCull.h" +#include "Weather.h" +#include "ParticleObject.h" + #include "Pad.h" +#include "RenderBuffer.h" +#include "custompipes.h" +#include "postfx.h" +#include "screendroplets.h" + +// for 640 +#define MAXSIZE 15 +#define MINSIZE 4 + +int ScreenDroplets::ms_initialised; +RwTexture *ScreenDroplets::ms_maskTex; +RwTexture *ScreenDroplets::ms_screenTex; + +bool ScreenDroplets::ms_enabled = true; +bool ScreenDroplets::ms_movingEnabled = true; + +ScreenDroplets::ScreenDrop ScreenDroplets::ms_drops[ScreenDroplets::MAXDROPS]; +int ScreenDroplets::ms_numDrops; +ScreenDroplets::ScreenDropMoving ScreenDroplets::ms_dropsMoving[ScreenDroplets::MAXDROPSMOVING]; +int ScreenDroplets::ms_numDropsMoving; + +CVector ScreenDroplets::ms_prevCamUp; +CVector ScreenDroplets::ms_prevCamPos; +CVector ScreenDroplets::ms_camMoveDelta; +float ScreenDroplets::ms_camMoveDist; +CVector ScreenDroplets::ms_screenMoveDelta; +float ScreenDroplets::ms_screenMoveDist; +float ScreenDroplets::ms_camUpAngle; + +int ScreenDroplets::ms_splashDuration; +CParticleObject *ScreenDroplets::ms_splashObject; + +struct Im2DVertexUV2 : rw::RWDEVICE::Im2DVertex +{ + rw::float32 u2, v2; +}; + +#ifdef RW_D3D9 +static void *screenDroplet_PS; +#endif +#ifdef RW_GL3 +static rw::gl3::Shader *screenDroplet; +#endif + +// platform specific +static void openim2d_uv2(void); +static void closeim2d_uv2(void); +static void RenderIndexedPrimitive_UV2(RwPrimitiveType primType, Im2DVertexUV2 *vertices, RwInt32 numVertices, RwImVertexIndex *indices, RwInt32 numIndices); + +static Im2DVertexUV2 VertexBuffer[TEMPBUFFERVERTSIZE]; + +void +ScreenDroplets::Initialise(void) +{ + Clear(); + ms_splashDuration = -1; + ms_splashObject = nil; +} + +void +ScreenDroplets::InitDraw(void) +{ + if(CustomPipes::neoTxd) + ms_maskTex = CustomPipes::neoTxd->find("dropmask"); + + ms_screenTex = RwTextureCreate(nil); + RwTextureSetFilterMode(ms_screenTex, rwFILTERLINEAR); + + openim2d_uv2(); +#ifdef RW_D3D9 +#include "shaders/screenDroplet_PS.inc" + screenDroplet_PS = rw::d3d::createPixelShader(screenDroplet_PS_cso); +#endif +#ifdef RW_GL3 + using namespace rw::gl3; + { +#include "shaders/im2d_UV2_gl.inc" +#include "shaders/screenDroplet_fs_gl.inc" + const char *vs[] = { shaderDecl, header_vert_src, im2d_UV2_vert_src, nil }; + const char *fs[] = { shaderDecl, header_frag_src, screenDroplet_frag_src, nil }; + screenDroplet = Shader::create(vs, fs); + assert(screenDroplet); + } +#endif + + ms_initialised = 1; +} + +void +ScreenDroplets::Shutdown(void) +{ + if(ms_maskTex){ + RwTextureDestroy(ms_maskTex); + ms_maskTex = nil; + } + if(ms_screenTex){ + RwTextureSetRaster(ms_screenTex, nil); + RwTextureDestroy(ms_screenTex); + ms_screenTex = nil; + } +#ifdef RW_D3D9 + if(screenDroplet_PS){ + rw::d3d::destroyPixelShader(screenDroplet_PS); + screenDroplet_PS = nil; + } +#endif +#ifdef RW_GL3 + if(screenDroplet){ + screenDroplet->destroy(); + screenDroplet = nil; + } +#endif + + closeim2d_uv2(); +} + +void +ScreenDroplets::Process(void) +{ + ProcessCameraMovement(); + SprayDrops(); + ProcessMoving(); + Fade(); +} + +static void +FlushBuffer(void) +{ + if(TempBufferIndicesStored){ + RenderIndexedPrimitive_UV2(rwPRIMTYPETRILIST, + VertexBuffer, TempBufferVerticesStored, + TempBufferRenderIndexList, TempBufferIndicesStored); + TempBufferVerticesStored = 0; + TempBufferIndicesStored = 0; + } +} + +static int +StartStoring(int numIndices, int numVertices, RwImVertexIndex **indexStart, Im2DVertexUV2 **vertexStart) +{ + if(TempBufferIndicesStored + numIndices >= TEMPBUFFERINDEXSIZE || + TempBufferVerticesStored + numVertices >= TEMPBUFFERVERTSIZE) + FlushBuffer(); + *indexStart = &TempBufferRenderIndexList[TempBufferIndicesStored]; + *vertexStart = &VertexBuffer[TempBufferVerticesStored]; + int vertOffset = TempBufferVerticesStored; + TempBufferIndicesStored += numIndices; + TempBufferVerticesStored += numVertices; + return vertOffset; +} + +void +ScreenDroplets::Render(void) +{ + ScreenDrop *drop; + + DefinedState(); + RwRenderStateSet(rwRENDERSTATETEXTURERASTER, RwTextureGetRaster(ms_maskTex)); + RwRenderStateSet(rwRENDERSTATEFOGENABLE, FALSE); + RwRenderStateSet(rwRENDERSTATEZTESTENABLE, FALSE); + RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, FALSE); + RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE); + + RwTextureSetRaster(ms_screenTex, CPostFX::pBackBuffer); +#ifdef RW_D3D9 + rw::d3d::im2dOverridePS = screenDroplet_PS; + rw::d3d::setTexture(1, ms_screenTex); +#endif +#ifdef RW_GL3 + rw::gl3::im2dOverrideShader = screenDroplet; + rw::gl3::setTexture(1, ms_screenTex); +#endif + + RenderBuffer::ClearRenderBuffer(); + for(drop = &ms_drops[0]; drop < &ms_drops[MAXDROPS]; drop++) + if(drop->active) + AddToRenderList(drop); + FlushBuffer(); + +#ifdef RW_D3D9 + rw::d3d::im2dOverridePS = nil; + rw::d3d::setTexture(1, nil); +#endif +#ifdef RW_GL3 + rw::gl3::im2dOverrideShader = nil; + rw::gl3::setTexture(1, nil); +#endif + + RwRenderStateSet(rwRENDERSTATEFOGENABLE, FALSE); + RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE); + RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE); + RwRenderStateSet(rwRENDERSTATETEXTURERASTER, nil); + RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, FALSE); +} + +void +ScreenDroplets::AddToRenderList(ScreenDroplets::ScreenDrop *drop) +{ + static float xy[] = { + -1.0f, -1.0f, + -1.0f, 1.0f, + 1.0f, 1.0f, + 1.0f, -1.0f + }; + static float uv[] = { + 0.0f, 0.0f, + 0.0f, 1.0f, + 1.0f, 1.0f, + 1.0f, 0.0f + }; + + int i; + RwImVertexIndex *indices; + Im2DVertexUV2 *verts; + int first = StartStoring(6, 4, &indices, &verts); + + float scale = 0.5f*SCREEN_SCALE_X(drop->size); + + float screenz = RwIm2DGetNearScreenZ(); + float z = RwCameraGetNearClipPlane(Scene.camera); + float recipz = 1.0f/z; + + float magSize = SCREEN_SCALE_Y(drop->magnification*(300.0f-40.0f) + 40.0f); + float ul = drop->x - magSize; + float vt = drop->y - magSize; + float ur = drop->x + magSize; + float vb = drop->y + magSize; + ul = Max(ul, 0.0f)/RwRasterGetWidth(CPostFX::pBackBuffer); + vt = Max(vt, 0.0f)/RwRasterGetHeight(CPostFX::pBackBuffer); + ur = Min(ur, SCREEN_WIDTH)/RwRasterGetWidth(CPostFX::pBackBuffer); + vb = Min(vb, SCREEN_HEIGHT)/RwRasterGetHeight(CPostFX::pBackBuffer); + + for(i = 0; i < 4; i++){ + RwIm2DVertexSetScreenX(&verts[i], drop->x + xy[i*2]*scale); + RwIm2DVertexSetScreenY(&verts[i], drop->y + xy[i*2+1]*scale); + RwIm2DVertexSetScreenZ(&verts[i], screenz); + RwIm2DVertexSetCameraZ(&verts[i], z); + RwIm2DVertexSetRecipCameraZ(&verts[i], recipz); + RwIm2DVertexSetIntRGBA(&verts[i], drop->color.r, drop->color.g, drop->color.b, drop->color.a); + RwIm2DVertexSetU(&verts[i], uv[i*2], recipz); + RwIm2DVertexSetV(&verts[i], uv[i*2+1], recipz); + + verts[i].u2 = i < 2 ? ul : ur; + verts[i].v2 = i % 3 ? vt : vb; + } + indices[0] = first + 0; + indices[1] = first + 1; + indices[2] = first + 2; + indices[3] = first + 2; + indices[4] = first + 3; + indices[5] = first + 0; +} + +void +ScreenDroplets::Clear(void) +{ + ScreenDrop *drop; + for(drop = &ms_drops[0]; drop < &ms_drops[MAXDROPS]; drop++) + drop->active = false; + ms_numDrops = 0; +} + +ScreenDroplets::ScreenDrop* +ScreenDroplets::NewDrop(float x, float y, float size, float lifetime, bool fades, int r, int g, int b) +{ + ScreenDrop *drop; + int i; + + for(i = 0, drop = ms_drops; i < MAXDROPS; i++, drop++) + if(!ms_drops[i].active) + goto found; + return nil; +found: + ms_numDrops++; + drop->x = x; + drop->y = y; + drop->size = size; + drop->magnification = (MAXSIZE - size + 1.0f) / (MAXSIZE - MINSIZE + 1.0f); + drop->fades = fades; + drop->active = true; + drop->color.r = r; + drop->color.g = g; + drop->color.b = b; + drop->color.a = 255; + drop->time = 0.0f; + drop->lifetime = lifetime; + return drop; +} + +void +ScreenDroplets::SetMoving(ScreenDroplets::ScreenDrop *drop) +{ + ScreenDropMoving *moving; + for(moving = ms_dropsMoving; moving < &ms_dropsMoving[MAXDROPSMOVING]; moving++) + if(moving->drop == nil) + goto found; + return; +found: + ms_numDropsMoving++; + moving->drop = drop; + moving->dist = 0.0f; +} + +void +ScreenDroplets::FillScreen(int n) +{ + float x, y, size; + ScreenDrop *drop; + + if(!ms_initialised) + return; + ms_numDrops = 0; + for(drop = &ms_drops[0]; drop < &ms_drops[MAXDROPS]; drop++){ + drop->active = false; + if(drop < &ms_drops[n]){ + x = CGeneral::GetRandomNumber() % (int)SCREEN_WIDTH; + y = CGeneral::GetRandomNumber() % (int)SCREEN_HEIGHT; + size = CGeneral::GetRandomNumberInRange(MINSIZE, MAXSIZE); + NewDrop(x, y, size, 2000.0f, true); + } + } +} + +void +ScreenDroplets::FillScreenMoving(float amount, bool isBlood) +{ + int n = (ms_screenMoveDelta.z > 5.0f ? 1.5f : 1.0f)*amount*20.0f; + float x, y, size; + ScreenDrop *drop; + + while(n--) + if(ms_numDrops < MAXDROPS && ms_numDropsMoving < MAXDROPSMOVING){ + x = CGeneral::GetRandomNumber() % (int)SCREEN_WIDTH; + y = CGeneral::GetRandomNumber() % (int)SCREEN_HEIGHT; + size = CGeneral::GetRandomNumberInRange(MINSIZE, MAXSIZE); + drop = nil; + if(isBlood) + drop = NewDrop(x, y, size, 2000.0f, true, 255, 0, 0); + else + drop = NewDrop(x, y, size, 2000.0f, true); + if(drop) + SetMoving(drop); + } +} + +void +ScreenDroplets::RegisterSplash(CParticleObject *pobj) +{ + CVector dist = pobj->GetPosition() - ms_prevCamPos; + if(dist.MagnitudeSqr() < 20.0f){ + ms_splashDuration = 14; + ms_splashObject = pobj; + } +} + +void +ScreenDroplets::ProcessCameraMovement(void) +{ + RwMatrix *camMat = RwFrameGetMatrix(RwCameraGetFrame(Scene.camera)); + CVector camPos = camMat->pos; + CVector camUp = camMat->at; + ms_camMoveDelta = camPos - ms_prevCamPos; + ms_camMoveDist = ms_camMoveDelta.Magnitude(); + + ms_prevCamUp = camUp; + ms_prevCamPos = camPos; + + ms_screenMoveDelta.x = -RwV3dDotProduct(&camMat->right, (RwV3d*)&ms_camMoveDelta); + ms_screenMoveDelta.y = RwV3dDotProduct(&camMat->up, (RwV3d*)&ms_camMoveDelta); + ms_screenMoveDelta.z = RwV3dDotProduct(&camMat->at, (RwV3d*)&ms_camMoveDelta); + ms_screenMoveDelta *= 10.0f; + ms_screenMoveDist = ms_screenMoveDelta.Magnitude2D(); + + uint16 mode = TheCamera.Cams[TheCamera.ActiveCam].Mode; + bool isTopDown = mode == CCam::MODE_TOPDOWN || mode == CCam::MODE_GTACLASSIC || mode == CCam::MODE_TOP_DOWN_PED; + bool isLookingInDirection = CPad::GetPad(0)->GetLookBehindForCar() || CPad::GetPad(0)->GetLookLeft() || CPad::GetPad(0)->GetLookRight(); + ms_enabled = !isTopDown && !isLookingInDirection; + ms_movingEnabled = !isTopDown && !isLookingInDirection; + + // 0 when looking stright up, 180 when looking up or down + ms_camUpAngle = RADTODEG(Acos(clamp(camUp.z, -1.0f, 1.0f))); +} + +void +ScreenDroplets::SprayDrops(void) +{ + bool noRain = CCullZones::PlayerNoRain() || CCullZones::CamNoRain(); + if(!noRain && CWeather::Rain > 0.0f && ms_enabled){ + // 180 when looking stright up, 0 when looking up or down + float angle = 180.0f - ms_camUpAngle; + angle = Max(angle, 40.0f); // want at least some rain + FillScreenMoving((angle - 40.0f) / 150.0f * CWeather::Rain * 0.5f); + } + + int i; + for(i = 0; i < MAX_AUDIOHYDRANTS; i++){ + CAudioHydrant *hyd = CAudioHydrant::Get(i); + if (hyd->pParticleObject){ + CVector dist = hyd->pParticleObject->GetPosition() - ms_prevCamPos; + if(dist.MagnitudeSqr() > 40.0f || + DotProduct(dist, ms_prevCamUp) < 0.0f) continue; + + FillScreenMoving(1.0f); + } + } + + static int ndrops[] = { + 125, 250, 500, 1000, 1000, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + }; + if(ms_splashDuration >= 0){ + if(ms_numDrops < MAXDROPS) { + float numDropMult = 1.0f; + if(ms_splashObject){ + float dist = (ms_splashObject->GetPosition() - ms_prevCamPos).Magnitude(); + numDropMult = 1.0f - (dist - 5.0f)/15.0f; + if(numDropMult < 0) numDropMult = 0.0f; // fix + } + int n = ndrops[ms_splashDuration] * numDropMult; + while(n--) + if(ms_numDrops < MAXDROPS){ + float x = CGeneral::GetRandomNumber() % (int)SCREEN_WIDTH; + float y = CGeneral::GetRandomNumber() % (int)SCREEN_HEIGHT; + float size = CGeneral::GetRandomNumberInRange(MINSIZE, MAXSIZE); + NewDrop(x, y, size, 10000.0f, false); + } + } + ms_splashDuration--; + } +} + +void +ScreenDroplets::NewTrace(ScreenDroplets::ScreenDropMoving *moving) +{ + if(ms_numDrops < MAXDROPS){ + moving->dist = 0.0f; + NewDrop(moving->drop->x, moving->drop->y, MINSIZE, 500.0f, true, + moving->drop->color.r, moving->drop->color.g, moving->drop->color.b); + } +} + +void +ScreenDroplets::MoveDrop(ScreenDroplets::ScreenDropMoving *moving) +{ + ScreenDrop *drop = moving->drop; + if(!ms_movingEnabled) + return; + if(!drop->active){ + moving->drop = nil; + ms_numDropsMoving--; + return; + } + if(ms_screenMoveDelta.z > 0.0f && ms_camMoveDist > 0.3f){ + if(ms_screenMoveDist > 0.5f && TheCamera.Cams[TheCamera.ActiveCam].Mode != CCam::MODE_1STPERSON){ + // movement when camera turns + moving->dist += ms_screenMoveDist; + if(moving->dist > 20.0f && drop->color.a > 100) + NewTrace(moving); + + drop->x -= ms_screenMoveDelta.x; + drop->y += ms_screenMoveDelta.y; + }else{ + // movement out of center + float d = ms_screenMoveDelta.z*0.2f; + float dx, dy, sum; + dx = drop->x - SCREEN_WIDTH*0.5f + ms_screenMoveDelta.x; + if(TheCamera.Cams[TheCamera.ActiveCam].Mode == CCam::MODE_1STPERSON) + dy = drop->y - SCREEN_HEIGHT*1.2f - ms_screenMoveDelta.y; + else + dy = drop->y - SCREEN_HEIGHT*0.5f - ms_screenMoveDelta.y; + sum = fabs(dx) + fabs(dy); + if(sum > 0.001f){ + dx /= sum; + dy /= sum; + } + moving->dist += d; + if(moving->dist > 20.0f && drop->color.a > 100) + NewTrace(moving); + drop->x += dx * d; + drop->y += dy * d; + } + + if(drop->x < 0.0f || drop->y < 0.0f || + drop->x > SCREEN_WIDTH || drop->y > SCREEN_HEIGHT){ + moving->drop = nil; + ms_numDropsMoving--; + } + } +} + +void +ScreenDroplets::ProcessMoving(void) +{ + ScreenDropMoving *moving; + if(!ms_movingEnabled) + return; + for(moving = ms_dropsMoving; moving < &ms_dropsMoving[MAXDROPSMOVING]; moving++) + if(moving->drop) + MoveDrop(moving); +} + +void +ScreenDroplets::Fade(void) +{ + ScreenDrop *drop; + for(drop = &ms_drops[0]; drop < &ms_drops[MAXDROPS]; drop++) + if(drop->active) + drop->Fade(); +} + +void +ScreenDroplets::ScreenDrop::Fade(void) +{ + int delta = CTimer::GetTimeStepInMilliseconds(); + time += delta; + if(time < lifetime){ + color.a = 255 - time/lifetime*255; + }else if(fades){ + ScreenDroplets::ms_numDrops--; + active = false; + } +} + + +/* + * Im2D with two uv coors + */ + +#ifdef RW_D3D9 +// stolen from RW, not in a public header +namespace rw { +namespace d3d { +void addDynamicVB(uint32 length, uint32 fvf, IDirect3DVertexBuffer9 **buf); // NB: don't share this pointer +void removeDynamicVB(IDirect3DVertexBuffer9 **buf); +void addDynamicIB(uint32 length, IDirect3DIndexBuffer9 **buf); // NB: don't share this pointer +void removeDynamicIB(IDirect3DIndexBuffer9 **buf); +} +} +// different than im2d +#define NUMINDICES 1024 +#define NUMVERTICES 1024 + +static int primTypeMap[] = { + D3DPT_POINTLIST, // invalid + D3DPT_LINELIST, + D3DPT_LINESTRIP, + D3DPT_TRIANGLELIST, + D3DPT_TRIANGLESTRIP, + D3DPT_TRIANGLEFAN, + D3DPT_POINTLIST, // actually not supported! +}; +// end of stolen stuff + + +static IDirect3DVertexDeclaration9 *im2ddecl_uv2; +static IDirect3DVertexBuffer9 *im2dvertbuf_uv2; +static IDirect3DIndexBuffer9 *im2dindbuf_uv2; + +void +openim2d_uv2(void) +{ + using namespace rw; + using namespace d3d; + D3DVERTEXELEMENT9 elements[5] = { + { 0, 0, D3DDECLTYPE_FLOAT4, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITIONT, 0 }, + { 0, offsetof(Im2DVertexUV2, color), D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0 }, + { 0, offsetof(Im2DVertexUV2, u), D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0 }, + { 0, offsetof(Im2DVertexUV2, u2), D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 1 }, + D3DDECL_END() + }; + assert(im2ddecl_uv2 == nil); + im2ddecl_uv2 = (IDirect3DVertexDeclaration9*)d3d9::createVertexDeclaration((d3d9::VertexElement*)elements); + assert(im2ddecl_uv2); + + assert(im2dvertbuf_uv2 == nil); + im2dvertbuf_uv2 = (IDirect3DVertexBuffer9*)createVertexBuffer(NUMVERTICES*sizeof(Im2DVertexUV2), 0, true); + assert(im2dvertbuf_uv2); + addDynamicVB(NUMVERTICES*sizeof(Im2DVertexUV2), 0, &im2dvertbuf_uv2); + + assert(im2dindbuf_uv2 == nil); + im2dindbuf_uv2 = (IDirect3DIndexBuffer9*)createIndexBuffer(NUMINDICES*sizeof(rw::uint16), true); + assert(im2dindbuf_uv2); + addDynamicIB(NUMINDICES*sizeof(rw::uint16), &im2dindbuf_uv2); +} + +void +closeim2d_uv2(void) +{ + using namespace rw; + using namespace d3d; + + d3d9::destroyVertexDeclaration(im2ddecl_uv2); + im2ddecl_uv2 = nil; + + removeDynamicVB(&im2dvertbuf_uv2); + destroyVertexBuffer(im2dvertbuf_uv2); + im2dvertbuf_uv2 = nil; + + removeDynamicIB(&im2dindbuf_uv2); + destroyIndexBuffer(im2dindbuf_uv2); + im2dindbuf_uv2 = nil; +} + +void +RenderIndexedPrimitive_UV2(RwPrimitiveType primType, Im2DVertexUV2 *vertices, RwInt32 numVertices, RwImVertexIndex *indices, RwInt32 numIndices) +{ + using namespace rw; + using namespace d3d; + + if(numVertices > NUMVERTICES || + numIndices > NUMINDICES){ + // TODO: error + return; + } + rw::uint16 *lockedindices = lockIndices(im2dindbuf_uv2, 0, numIndices*sizeof(rw::uint16), D3DLOCK_DISCARD); + memcpy(lockedindices, indices, numIndices*sizeof(rw::uint16)); + unlockIndices(im2dindbuf_uv2); + + rw::uint8 *lockedvertices = lockVertices(im2dvertbuf_uv2, 0, numVertices*sizeof(Im2DVertexUV2), D3DLOCK_DISCARD); + memcpy(lockedvertices, vertices, numVertices*sizeof(Im2DVertexUV2)); + unlockVertices(im2dvertbuf_uv2); + + setStreamSource(0, im2dvertbuf_uv2, 0, sizeof(Im2DVertexUV2)); + setIndices(im2dindbuf_uv2); + setVertexDeclaration(im2ddecl_uv2); + + if(im2dOverridePS) + setPixelShader(im2dOverridePS); + else if(engine->device.getRenderState(TEXTURERASTER)) + setPixelShader(im2d_tex_PS); + else + setPixelShader(im2d_PS); + + d3d::flushCache(); + + rw::uint32 primCount = 0; + switch(primType){ + case PRIMTYPELINELIST: + primCount = numIndices/2; + break; + case PRIMTYPEPOLYLINE: + primCount = numIndices-1; + break; + case PRIMTYPETRILIST: + primCount = numIndices/3; + break; + case PRIMTYPETRISTRIP: + primCount = numIndices-2; + break; + case PRIMTYPETRIFAN: + primCount = numIndices-2; + break; + case PRIMTYPEPOINTLIST: + primCount = numIndices; + break; + } + d3ddevice->DrawIndexedPrimitive((D3DPRIMITIVETYPE)primTypeMap[primType], 0, + 0, numVertices, + 0, primCount); +} +#endif + +#ifdef RW_GL3 +// different than im2d +#define NUMINDICES 1024 +#define NUMVERTICES 1024 + +static rw::gl3::AttribDesc im2d_UV2_attribDesc[4] = { + { rw::gl3::ATTRIB_POS, GL_FLOAT, GL_FALSE, 4, + sizeof(Im2DVertexUV2), 0 }, + { rw::gl3::ATTRIB_COLOR, GL_UNSIGNED_BYTE, GL_TRUE, 4, + sizeof(Im2DVertexUV2), offsetof(Im2DVertexUV2, r) }, + { rw::gl3::ATTRIB_TEXCOORDS0, GL_FLOAT, GL_FALSE, 2, + sizeof(Im2DVertexUV2), offsetof(Im2DVertexUV2, u) }, + { rw::gl3::ATTRIB_TEXCOORDS1, GL_FLOAT, GL_FALSE, 2, + sizeof(Im2DVertexUV2), offsetof(Im2DVertexUV2, u2) } +}; + +static int primTypeMap[] = { + GL_POINTS, // invalid + GL_LINES, + GL_LINE_STRIP, + GL_TRIANGLES, + GL_TRIANGLE_STRIP, + GL_TRIANGLE_FAN, + GL_POINTS +}; + +static int32 u_xform; + +uint32 im2D_UV2_Vbo, im2D_UV2_Ibo; +#ifdef RW_GL_USE_VAOS +uint32 im2D_UV2_Vao; +#endif + +void +openim2d_uv2(void) +{ + u_xform = rw::gl3::registerUniform("u_xform"); // this doesn't add a new one, so it's safe + + glGenBuffers(1, &im2D_UV2_Ibo); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, im2D_UV2_Ibo); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, NUMINDICES*2, nil, GL_STREAM_DRAW); + + glGenBuffers(1, &im2D_UV2_Vbo); + glBindBuffer(GL_ARRAY_BUFFER, im2D_UV2_Vbo); + glBufferData(GL_ARRAY_BUFFER, NUMVERTICES*sizeof(Im2DVertexUV2), nil, GL_STREAM_DRAW); + +#ifdef RW_GL_USE_VAOS + glGenVertexArrays(1, &im2D_UV2_Vao); + glBindVertexArray(im2D_UV2_Vao); + setAttribPointers(im2d_UV2_attribDesc, 4); +#endif +} + +void +closeim2d_uv2(void) +{ + glDeleteBuffers(1, &im2D_UV2_Ibo); + glDeleteBuffers(1, &im2D_UV2_Vbo); +#ifdef RW_GL_USE_VAOS + glDeleteVertexArrays(1, &im2D_UV2_Vao); +#endif +} + +void +RenderIndexedPrimitive_UV2(RwPrimitiveType primType, Im2DVertexUV2 *vertices, RwInt32 numVertices, RwImVertexIndex *indices, RwInt32 numIndices) +{ + using namespace rw; + using namespace gl3; + + GLfloat xform[4]; + Camera *cam; + cam = (Camera*)engine->currentCamera; + +#ifdef RW_GL_USE_VAOS + glBindVertexArray(im2D_UV2_Vao); +#endif + + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, im2D_UV2_Ibo); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, NUMINDICES*2, nil, GL_STREAM_DRAW); + glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, numIndices*2, indices); + + glBindBuffer(GL_ARRAY_BUFFER, im2D_UV2_Vbo); + glBufferData(GL_ARRAY_BUFFER, NUMVERTICES*sizeof(Im2DVertexUV2), nil, GL_STREAM_DRAW); + glBufferSubData(GL_ARRAY_BUFFER, 0, numVertices*sizeof(Im2DVertexUV2), vertices); + + xform[0] = 2.0f/cam->frameBuffer->width; + xform[1] = -2.0f/cam->frameBuffer->height; + xform[2] = -1.0f; + xform[3] = 1.0f; + + if(im2dOverrideShader) + im2dOverrideShader->use(); + else + assert(0);//im2dShader->use(); +#ifndef RW_GL_USE_VAOS + setAttribPointers(im2d_UV2_attribDesc, 4); +#endif + + glUniform4fv(currentShader->uniformLocations[u_xform], 1, xform); + + flushCache(); + glDrawElements(primTypeMap[primType], numIndices, + GL_UNSIGNED_SHORT, nil); +#ifndef RW_GL_USE_VAOS + disableAttribPointers(im2d_UV2_attribDesc, 4); +#endif +} +#endif + +#endif |