| 59 | } |
| 60 | |
| 61 | bool Tr2HostBitmap::SharedCopyFaceFromRenderTarget( Tr2RenderContextEnum::CubemapFace face, Tr2TextureAL& rtAL, const int* srcRect, int offsetX, int offsetY, Tr2RenderContext& renderContext ) |
| 62 | { |
| 63 | bool alphaConvert = false; |
| 64 | if( !CheckForMatch( rtAL.GetDesc(), srcRect == nullptr, alphaConvert, "CopyFromRenderTarget" ) ) |
| 65 | { |
| 66 | return false; |
| 67 | } |
| 68 | |
| 69 | if( !rtAL.IsValid() || IsCompressed() ) |
| 70 | { |
| 71 | CCP_LOGWARN( "CopyFromRenderTarget: invalid source" ); |
| 72 | return false; |
| 73 | } |
| 74 | |
| 75 | int left = 0; |
| 76 | int top = 0; |
| 77 | int right = rtAL.GetWidth(); |
| 78 | int bottom = rtAL.GetHeight(); |
| 79 | |
| 80 | if( srcRect ) |
| 81 | { |
| 82 | left = max( left, srcRect[0] ); |
| 83 | top = max( top, srcRect[1] ); |
| 84 | right = min( right, srcRect[2] ); |
| 85 | bottom = min( bottom, srcRect[3] ); |
| 86 | } |
| 87 | if( offsetX < 0 ) |
| 88 | { |
| 89 | left = max( left, -offsetX ); |
| 90 | right = min( right, int( rtAL.GetWidth() ) + offsetX ); |
| 91 | } |
| 92 | if( offsetY < 0 ) |
| 93 | { |
| 94 | top = max( top, -offsetY ); |
| 95 | bottom = min( bottom, int( rtAL.GetHeight() ) + offsetY ); |
| 96 | } |
| 97 | offsetX += left; |
| 98 | offsetY += top; |
| 99 | |
| 100 | if( left >= right || |
| 101 | top >= bottom || |
| 102 | int( m_width ) < offsetX || |
| 103 | int( m_height ) < offsetY ) |
| 104 | { |
| 105 | return true; |
| 106 | } |
| 107 | |
| 108 | unsigned width = min( unsigned( right - left ), m_width - offsetX ); |
| 109 | unsigned height = min( unsigned( bottom - top ), m_height - offsetY ); |
| 110 | |
| 111 | const unsigned mipCount = std::min( GetTrueMipCount(), rtAL.GetTrueMipCount() ); |
| 112 | |
| 113 | for( unsigned mipLevel = 0; mipLevel != mipCount; ++mipLevel ) |
| 114 | { |
| 115 | const void* data; |
| 116 | unsigned srcPitch; |
| 117 | if( FAILED( rtAL.MapForReading( Tr2TextureSubresource( mipLevel ), data, srcPitch, renderContext ) ) ) |
| 118 | { |
nothing calls this directly
no test coverage detected