diff options
Diffstat (limited to 'src/renderer/MBlur.cpp')
| -rw-r--r-- | src/renderer/MBlur.cpp | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/src/renderer/MBlur.cpp b/src/renderer/MBlur.cpp new file mode 100644 index 00000000..8e5fba2a --- /dev/null +++ b/src/renderer/MBlur.cpp @@ -0,0 +1,325 @@ +#ifndef LIBRW +#define WITHD3D +#endif +#include "common.h" +#ifndef LIBRW +#include <d3d8caps.h> +#endif + +#include "main.h" +#include "RwHelper.h" +#include "Camera.h" +#include "MBlur.h" +#include "postfx.h" + +// Originally taken from RW example 'mblur' + +RwRaster *CMBlur::pFrontBuffer; +bool CMBlur::ms_bJustInitialised; +bool CMBlur::ms_bScaledBlur; +bool CMBlur::BlurOn; + +static RwIm2DVertex Vertex[4]; +static RwImVertexIndex Index[6] = { 0, 1, 2, 0, 2, 3 }; + +#ifndef LIBRW +extern "C" D3DCAPS8 _RwD3D8DeviceCaps; +#endif +RwBool +CMBlur::MotionBlurOpen(RwCamera *cam) +{ +#ifdef EXTENDED_COLOURFILTER + CPostFX::Open(cam); + return TRUE; +#else +#ifdef GTA_PS2 + RwRect rect = {0, 0, 0, 0}; + + if (pFrontBuffer) + return TRUE; + + BlurOn = true; + + rect.w = RwRasterGetWidth(RwCameraGetRaster(cam)); + rect.h = RwRasterGetHeight(RwCameraGetRaster(cam)); + + pFrontBuffer = RwRasterCreate(0, 0, 0, rwRASTERDONTALLOCATE|rwRASTERTYPECAMERATEXTURE); + if (!pFrontBuffer) + { + printf("Error creating raster\n"); + return FALSE; + } + + RwRaster *raster = RwRasterSubRaster(pFrontBuffer, RwCameraGetRaster(cam), &rect); + if (!raster) + { + RwRasterDestroy(pFrontBuffer); + pFrontBuffer = NULL; + printf("Error subrastering\n"); + return FALSE; + } + + CreateImmediateModeData(cam, &rect); +#else + RwRect rect = { 0, 0, 0, 0 }; + + if(pFrontBuffer) + MotionBlurClose(); + +#ifndef LIBRW + extern void _GetVideoMemInfo(LPDWORD total, LPDWORD avaible); + DWORD total, avaible; + + _GetVideoMemInfo(&total, &avaible); + debug("Available video memory %d\n", avaible); +#endif + + if(BlurOn) + { + uint32 width = Pow(2.0f, int32(log2(RwRasterGetWidth (RwCameraGetRaster(cam))))+1); + uint32 height = Pow(2.0f, int32(log2(RwRasterGetHeight(RwCameraGetRaster(cam))))+1); + uint32 depth = RwRasterGetDepth(RwCameraGetRaster(cam)); + +#ifndef LIBRW + extern DWORD _dwMemTotalVideo; + if ( _RwD3D8DeviceCaps.MaxTextureWidth >= width && _RwD3D8DeviceCaps.MaxTextureHeight >= height ) + { + total = _dwMemTotalVideo - 3 * + ( RwRasterGetDepth(RwCameraGetRaster(cam)) + * RwRasterGetHeight(RwCameraGetRaster(cam)) + * RwRasterGetWidth(RwCameraGetRaster(cam)) / 8 ); + BlurOn = total >= height*width*(depth/8) + (12*1024*1024) /*12 MB*/; + } + else + BlurOn = false; +#endif + + if ( BlurOn ) + { + ms_bScaledBlur = false; + rect.w = width; + rect.h = height; + + pFrontBuffer = RwRasterCreate(rect.w, rect.h, depth, rwRASTERTYPECAMERATEXTURE); + if ( !pFrontBuffer ) + { + debug("MBlurOpen can't create raster."); + BlurOn = false; + rect.w = RwRasterGetWidth(RwCameraGetRaster(cam)); + rect.h = RwRasterGetHeight(RwCameraGetRaster(cam)); + } + else + ms_bJustInitialised = true; + } + else + { + rect.w = RwRasterGetWidth(RwCameraGetRaster(cam)); + rect.h = RwRasterGetHeight(RwCameraGetRaster(cam)); + } + +#ifndef LIBRW + _GetVideoMemInfo(&total, &avaible); + debug("Available video memory %d\n", avaible); +#endif + CreateImmediateModeData(cam, &rect); + } + else + { + rect.w = RwRasterGetWidth(RwCameraGetRaster(cam)); + rect.h = RwRasterGetHeight(RwCameraGetRaster(cam)); + CreateImmediateModeData(cam, &rect); + } + + return TRUE; +#endif +#endif +} + +RwBool +CMBlur::MotionBlurClose(void) +{ +#ifdef EXTENDED_COLOURFILTER + CPostFX::Close(); +#else + if(pFrontBuffer){ + RwRasterDestroy(pFrontBuffer); + pFrontBuffer = nil; + + return TRUE; + } +#endif + return FALSE; +} + +void +CMBlur::CreateImmediateModeData(RwCamera *cam, RwRect *rect) +{ + float zero, xmax, ymax; + + if(RwRasterGetDepth(RwCameraGetRaster(cam)) == 16){ + zero = HALFPX; + xmax = rect->w + HALFPX; + ymax = rect->h + HALFPX; + }else{ + zero = -HALFPX; + xmax = rect->w - HALFPX; + ymax = rect->h - HALFPX; + } + + RwIm2DVertexSetScreenX(&Vertex[0], zero); + RwIm2DVertexSetScreenY(&Vertex[0], zero); + RwIm2DVertexSetScreenZ(&Vertex[0], RwIm2DGetNearScreenZ()); + RwIm2DVertexSetCameraZ(&Vertex[0], RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetRecipCameraZ(&Vertex[0], 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetU(&Vertex[0], 0.0f, 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetV(&Vertex[0], 0.0f, 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetIntRGBA(&Vertex[0], 255, 255, 255, 255); + + RwIm2DVertexSetScreenX(&Vertex[1], zero); + RwIm2DVertexSetScreenY(&Vertex[1], ymax); + RwIm2DVertexSetScreenZ(&Vertex[1], RwIm2DGetNearScreenZ()); + RwIm2DVertexSetCameraZ(&Vertex[1], RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetRecipCameraZ(&Vertex[1], 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetU(&Vertex[1], 0.0f, 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetV(&Vertex[1], 1.0f, 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetIntRGBA(&Vertex[1], 255, 255, 255, 255); + + RwIm2DVertexSetScreenX(&Vertex[2], xmax); + RwIm2DVertexSetScreenY(&Vertex[2], ymax); + RwIm2DVertexSetScreenZ(&Vertex[2], RwIm2DGetNearScreenZ()); + RwIm2DVertexSetCameraZ(&Vertex[2], RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetRecipCameraZ(&Vertex[2], 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetU(&Vertex[2], 1.0f, 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetV(&Vertex[2], 1.0f, 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetIntRGBA(&Vertex[2], 255, 255, 255, 255); + + RwIm2DVertexSetScreenX(&Vertex[3], xmax); + RwIm2DVertexSetScreenY(&Vertex[3], zero); + RwIm2DVertexSetScreenZ(&Vertex[3], RwIm2DGetNearScreenZ()); + RwIm2DVertexSetCameraZ(&Vertex[3], RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetRecipCameraZ(&Vertex[3], 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetU(&Vertex[3], 1.0f, 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetV(&Vertex[3], 0.0f, 1.0f/RwCameraGetNearClipPlane(cam)); + RwIm2DVertexSetIntRGBA(&Vertex[3], 255, 255, 255, 255); +} + +void +CMBlur::MotionBlurRender(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blur, int32 type, uint32 bluralpha) +{ +#ifdef EXTENDED_COLOURFILTER + CPostFX::Render(cam, red, green, blue, blur, type, bluralpha); +#else + PUSH_RENDERGROUP("CMBlur::MotionBlurRender"); + RwRGBA color = { (RwUInt8)red, (RwUInt8)green, (RwUInt8)blue, (RwUInt8)blur }; +#ifdef GTA_PS2 + if( pFrontBuffer ) + OverlayRender(cam, pFrontBuffer, color, type, bluralpha); +#else + if(BlurOn){ + if(pFrontBuffer){ + if(ms_bJustInitialised) + ms_bJustInitialised = false; + else + OverlayRender(cam, pFrontBuffer, color, type, bluralpha); + } + RwRasterPushContext(pFrontBuffer); + RwRasterRenderFast(RwCameraGetRaster(cam), 0, 0); + RwRasterPopContext(); + }else{ + OverlayRender(cam, nil, color, type, bluralpha); + } +#endif + POP_RENDERGROUP(); +#endif +} + +void +CMBlur::OverlayRender(RwCamera *cam, RwRaster *raster, RwRGBA color, int32 type, int32 bluralpha) +{ + int r, g, b, a; + + r = color.red; + g = color.green; + b = color.blue; + a = color.alpha; + + DefinedState(); + + switch(type) + { + case MOTION_BLUR_SECURITY_CAM: + r = 0; + g = 255; + b = 0; + a = 128; + break; + case MOTION_BLUR_INTRO: + r = 100; + g = 220; + b = 230; + a = 158; + break; + case MOTION_BLUR_INTRO2: + r = 80; + g = 255; + b = 230; + a = 138; + break; + case MOTION_BLUR_INTRO3: + r = 255; + g = 60; + b = 60; + a = 200; + break; + case MOTION_BLUR_INTRO4: + r = 255; + g = 180; + b = 180; + a = 128; + break; + } + + if(!BlurOn){ + r = Min(r*0.6f, 255.0f); + g = Min(g*0.6f, 255.0f); + b = Min(b*0.6f, 255.0f); + if(type != MOTION_BLUR_SNIPER) + a = Min(a*0.6f, 255.0f); + // game clamps to 255 here, but why? + } + RwIm2DVertexSetIntRGBA(&Vertex[0], r, g, b, a); + RwIm2DVertexSetIntRGBA(&Vertex[1], r, g, b, a); + RwIm2DVertexSetIntRGBA(&Vertex[2], r, g, b, a); + RwIm2DVertexSetIntRGBA(&Vertex[3], r, g, b, a); + + RwRenderStateSet(rwRENDERSTATETEXTUREFILTER, (void*)rwFILTERNEAREST); + RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)FALSE); + RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)FALSE); + RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE); + + RwRenderStateSet(rwRENDERSTATETEXTURERASTER, BlurOn ? raster : nil); + RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE); + RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA); + RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA); + RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, Vertex, 4, Index, 6); + + a = bluralpha/2; + if(a < 30) + a = 30; + + if(BlurOn && a != 0){ // the second condition should always be true + RwIm2DVertexSetIntRGBA(&Vertex[0], 255, 255, 255, a); + RwIm2DVertexSetIntRGBA(&Vertex[1], 255, 255, 255, a); + RwIm2DVertexSetIntRGBA(&Vertex[2], 255, 255, 255, a); + RwIm2DVertexSetIntRGBA(&Vertex[3], 255, 255, 255, a); + RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, Vertex, 4, Index, 6); + } + + RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)FALSE); + RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE); + RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE); + RwRenderStateSet(rwRENDERSTATETEXTURERASTER, nil); + RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE); + RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA); + RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA); +} |