From 0764a4751fb12ff200c29943700ee45b3722f102 Mon Sep 17 00:00:00 2001 From: notaz Date: Sun, 15 Jun 2014 21:19:37 +0300 Subject: [PATCH] rice: C version of upcoming NEON func --- source/gles2rice/src/RenderBase.cpp | 160 ++++++++++++++++++++++++++++ 1 file changed, 160 insertions(+) diff --git a/source/gles2rice/src/RenderBase.cpp b/source/gles2rice/src/RenderBase.cpp index d5d2f7c..ee5b76c 100644 --- a/source/gles2rice/src/RenderBase.cpp +++ b/source/gles2rice/src/RenderBase.cpp @@ -635,6 +635,12 @@ void InitRenderBase() ProcessVertexData = ProcessVertexDataSSE; } else +#elif defined(__ARM_NEON__) + if( !g_curRomInfo.bPrimaryDepthHack && options.enableHackForGames != HACK_FOR_NASCAR && options.enableHackForGames != HACK_FOR_ZELDA_MM && !options.bWinFrameMode) + { + ProcessVertexData = ProcessVertexDataNEON; + } + else #endif { ProcessVertexData = ProcessVertexDataNoSSE; @@ -1522,6 +1528,160 @@ void ProcessVertexDataNoSSE(uint32 dwAddr, uint32 dwV0, uint32 dwNum) DEBUGGER_PAUSE_AND_DUMP(NEXT_VERTEX_CMD,{TRACE0("Paused at Vertex Cmd");}); } +extern "C" void pv_neon(XVECTOR4 *g_vtxTransformed, XVECTOR4 *g_vecProjected, + uint32 *g_dwVtxDifColor, VECTOR2 *g_fVtxTxtCoords, + float *g_fFogCoord, uint32 *g_clipFlag2, + uint32 dwNum, const FiddledVtx *vtx, + const Light *gRSPlights, const float *fRSPAmbientLightRGBA, + const XMATRIX *gRSPworldProject, const XMATRIX *gRSPmodelViewTop, + uint32 gRSPnumLights, float gRSPfFogMin); + +void ProcessVertexDataNEON(uint32 dwAddr, uint32 dwV0, uint32 dwNum) +{ + if (gRSP.bTextureGen && gRSP.bLightingEnable) { + ProcessVertexDataNoSSE(dwAddr, dwV0,dwNum); + return; + } + + // assumtions: + // - g_clipFlag is not used at all + // - g_vtxNonTransformed is not used after ProcessVertexData*() returns + // - g_normal - same + +#define PV_NEON_ENABLE_LIGHT (1 << 0) +#define PV_NEON_ENABLE_SHADE (1 << 1) +#define PV_NEON_ENABLE_FOG (1 << 2) +#define PV_NEON_FOG_ALPHA (1 << 3) + + int neon_state = 0; + if ( gRSP.bLightingEnable ) + neon_state |= PV_NEON_ENABLE_LIGHT; + if ( (gRDP.geometryMode & G_SHADE) || gRSP.ucode >= 5 ) + neon_state |= PV_NEON_ENABLE_SHADE; + if ( gRSP.bFogEnabled ) + neon_state |= PV_NEON_ENABLE_FOG; + if ( gRDP.geometryMode & G_FOG ) + neon_state |= PV_NEON_FOG_ALPHA; + + uint32 i; + + UpdateCombinedMatrix(); + + // This function is called upon SPvertex + // - do vertex matrix transform + // - do vertex lighting + // - do texture cooridinate transform if needed + // - calculate normal vector + + // Output: - g_vecProjected[i] -> transformed vertex x,y,z + // - g_vecProjected[i].w -> saved vertex 1/w + // - g_vtxTransformed[i] + // - g_dwVtxDifColor[i] -> vertex color + // - g_fVtxTxtCoords[i] -> vertex texture cooridinates + // - g_fFogCoord[i] + // - g_clipFlag2[i] + + const FiddledVtx * pVtxBase = (const FiddledVtx*)(g_pRDRAMu8 + dwAddr); + g_pVtxBase = (FiddledVtx *)pVtxBase; + + // SP_Timing(RSP_GBI0_Vtx); + status.SPCycleCount += Timing_RSP_GBI0_Vtx * dwNum; + + if (!(neon_state & (PV_NEON_ENABLE_LIGHT | PV_NEON_ENABLE_SHADE))) { + for (i = dwV0; i < dwV0 + dwNum; i++) + g_dwVtxDifColor[i] = gRDP.primitiveColor; // FLAT shade + } + + for (i = dwV0; i < dwV0 + dwNum; i++) + { + const FiddledVtx & vert = pVtxBase[i - dwV0]; + XVECTOR3 vtx_raw; // was g_vtxNonTransformed + + vtx_raw.x = (float)vert.x; + vtx_raw.y = (float)vert.y; + vtx_raw.z = (float)vert.z; + + Vec3Transform(&g_vtxTransformed[i], &vtx_raw, &gRSPworldProject); // Convert to w=1 + + g_vecProjected[i].w = 1.0f / g_vtxTransformed[i].w; + g_vecProjected[i].x = g_vtxTransformed[i].x * g_vecProjected[i].w; + g_vecProjected[i].y = g_vtxTransformed[i].y * g_vecProjected[i].w; + g_vecProjected[i].z = g_vtxTransformed[i].z * g_vecProjected[i].w; + + if( neon_state & PV_NEON_ENABLE_FOG ) + { + g_fFogCoord[i] = g_vecProjected[i].z; + if( g_vecProjected[i].w < 0 || g_vecProjected[i].z < 0 || g_fFogCoord[i] < gRSPfFogMin ) + g_fFogCoord[i] = gRSPfFogMin; + } + + // RSP_Vtx_Clipping(i); + g_clipFlag2[i] = 0; + if( g_vecProjected[i].w > 0 ) + { + if( g_vecProjected[i].x > 1 ) g_clipFlag2[i] |= X_CLIP_MAX; + if( g_vecProjected[i].x < -1 ) g_clipFlag2[i] |= X_CLIP_MIN; + if( g_vecProjected[i].y > 1 ) g_clipFlag2[i] |= Y_CLIP_MAX; + if( g_vecProjected[i].y < -1 ) g_clipFlag2[i] |= Y_CLIP_MIN; + } + + if( neon_state & PV_NEON_ENABLE_LIGHT ) + { + XVECTOR3 normal; // was g_normal + float r, g, b; + + normal.x = (float)vert.norma.nx; + normal.y = (float)vert.norma.ny; + normal.z = (float)vert.norma.nz; + + Vec3TransformNormal(normal, gRSPmodelViewTop); + + r = gRSP.fAmbientLightR; + g = gRSP.fAmbientLightG; + b = gRSP.fAmbientLightB; + + for (unsigned int l=0; l < gRSPnumLights; l++) + { + float fCosT = normal.x * gRSPlights[l].x + normal.y * gRSPlights[l].y + normal.z * gRSPlights[l].z; + + if (fCosT > 0 ) + { + r += gRSPlights[l].fr * fCosT; + g += gRSPlights[l].fg * fCosT; + b += gRSPlights[l].fb * fCosT; + } + } + if (r > 255) r = 255; + if (g > 255) g = 255; + if (b > 255) b = 255; + g_dwVtxDifColor[i] = ((vert.rgba.a<<24)|(((uint32)r)<<16)|(((uint32)g)<<8)|((uint32)b)); + } + else if( neon_state & PV_NEON_ENABLE_SHADE ) + { + IColor &color = *(IColor*)&g_dwVtxDifColor[i]; + color.b = vert.rgba.r; + color.g = vert.rgba.g; + color.r = vert.rgba.b; + color.a = vert.rgba.a; + } + + // ReplaceAlphaWithFogFactor(i); + if( neon_state & PV_NEON_FOG_ALPHA ) + { + // Use fog factor to replace vertex alpha + if( g_vecProjected[i].z > 1 ) + *(((uint8*)&(g_dwVtxDifColor[i]))+3) = 0xFF; + if( g_vecProjected[i].z < 0 ) + *(((uint8*)&(g_dwVtxDifColor[i]))+3) = 0; + else + *(((uint8*)&(g_dwVtxDifColor[i]))+3) = (uint8)(g_vecProjected[i].z*255); + } + + g_fVtxTxtCoords[i].x = (float)vert.tu; + g_fVtxTxtCoords[i].y = (float)vert.tv; + } +} + bool PrepareTriangle(uint32 dwV0, uint32 dwV1, uint32 dwV2) { if( status.isVertexShaderEnabled || status.bUseHW_T_L ) -- 2.39.2