1 | #include "backend_base.h" |
2 | #include <base/system.h> |
3 | |
4 | bool CCommandProcessorFragment_GLBase::Texture2DTo3D(uint8_t *pImageBuffer, int ImageWidth, int ImageHeight, size_t PixelSize, int SplitCountWidth, int SplitCountHeight, uint8_t *pTarget3DImageData, int &Target3DImageWidth, int &Target3DImageHeight) |
5 | { |
6 | Target3DImageWidth = ImageWidth / SplitCountWidth; |
7 | Target3DImageHeight = ImageHeight / SplitCountHeight; |
8 | |
9 | const size_t FullImageWidth = (size_t)ImageWidth * PixelSize; |
10 | |
11 | for(int Y = 0; Y < SplitCountHeight; ++Y) |
12 | { |
13 | for(int X = 0; X < SplitCountWidth; ++X) |
14 | { |
15 | for(int Y3D = 0; Y3D < Target3DImageHeight; ++Y3D) |
16 | { |
17 | int DepthIndex = X + Y * SplitCountWidth; |
18 | |
19 | size_t TargetImageFullWidth = (size_t)Target3DImageWidth * PixelSize; |
20 | size_t TargetImageFullSize = TargetImageFullWidth * Target3DImageHeight; |
21 | ptrdiff_t ImageOffset = (ptrdiff_t)(((size_t)Y * FullImageWidth * (size_t)Target3DImageHeight) + ((size_t)Y3D * FullImageWidth) + ((size_t)X * TargetImageFullWidth)); |
22 | ptrdiff_t TargetImageOffset = (ptrdiff_t)(TargetImageFullSize * (size_t)DepthIndex + ((size_t)Y3D * TargetImageFullWidth)); |
23 | mem_copy(dest: pTarget3DImageData + TargetImageOffset, source: pImageBuffer + ImageOffset, size: TargetImageFullWidth); |
24 | } |
25 | } |
26 | } |
27 | |
28 | return true; |
29 | } |
30 | |