diff --git a/src/engine/client/backend_sdl.cpp b/src/engine/client/backend_sdl.cpp index d99f765bf..6fa6de017 100644 --- a/src/engine/client/backend_sdl.cpp +++ b/src/engine/client/backend_sdl.cpp @@ -100,6 +100,41 @@ int CCommandProcessorFragment_OpenGL::TexFormatToOpenGLFormat(int TexFormat) return GL_RGBA; } +unsigned char CCommandProcessorFragment_OpenGL::Sample(int w, int h, const unsigned char *pData, int u, int v, int Offset, int ScaleW, int ScaleH, int Bpp) +{ + int Value = 0; + for(int x = 0; x < ScaleW; x++) + for(int y = 0; y < ScaleH; y++) + Value += pData[((v+y)*w+(u+x))*Bpp+Offset]; + return Value/(ScaleW*ScaleH); +} + +void *CCommandProcessorFragment_OpenGL::Rescale(int Width, int Height, int NewWidth, int NewHeight, int Format, const unsigned char *pData) +{ + unsigned char *pTmpData; + int ScaleW = Width/NewWidth; + int ScaleH = Height/NewHeight; + + int Bpp = 3; + if(Format == CCommandBuffer::TEXFORMAT_RGBA) + Bpp = 4; + + pTmpData = (unsigned char *)mem_alloc(NewWidth*NewHeight*Bpp, 1); + + int c = 0; + for(int y = 0; y < NewHeight; y++) + for(int x = 0; x < NewWidth; x++, c++) + { + pTmpData[c*Bpp] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 0, ScaleW, ScaleH, Bpp); + pTmpData[c*Bpp+1] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 1, ScaleW, ScaleH, Bpp); + pTmpData[c*Bpp+2] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 2, ScaleW, ScaleH, Bpp); + if(Bpp == 4) + pTmpData[c*Bpp+3] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 3, ScaleW, ScaleH, Bpp); + } + + return pTmpData; +} + void CCommandProcessorFragment_OpenGL::SetState(const CCommandBuffer::SState &State) { // blend @@ -179,6 +214,39 @@ void CCommandProcessorFragment_OpenGL::Cmd_Texture_Destroy(const CCommandBuffer: void CCommandProcessorFragment_OpenGL::Cmd_Texture_Create(const CCommandBuffer::SCommand_Texture_Create *pCommand) { + int Width = pCommand->m_Width; + int Height = pCommand->m_Height; + void *pTexData = pCommand->m_pData; + + // resample if needed + if(pCommand->m_Format == CCommandBuffer::TEXFORMAT_RGBA || pCommand->m_Format == CCommandBuffer::TEXFORMAT_RGB) + { + int MaxTexSize; + glGetIntegerv(GL_MAX_TEXTURE_SIZE, &MaxTexSize); + if(Width > MaxTexSize || Height > MaxTexSize) + { + do + { + Width>>=1; + Height>>=1; + } + while(Width > MaxTexSize || Height > MaxTexSize); + + void *pTmpData = Rescale(pCommand->m_Width, pCommand->m_Height, Width, Height, pCommand->m_Format, static_cast(pCommand->m_pData)); + mem_free(pTexData); + pTexData = pTmpData; + } + else if(Width > 16 && Height > 16 && (pCommand->m_Flags&CCommandBuffer::TEXFLAG_QUALITY) == 0) + { + Width>>=1; + Height>>=1; + + void *pTmpData = Rescale(pCommand->m_Width, pCommand->m_Height, Width, Height, pCommand->m_Format, static_cast(pCommand->m_pData)); + mem_free(pTexData); + pTexData = pTmpData; + } + } + int Oglformat = TexFormatToOpenGLFormat(pCommand->m_Format); int StoreOglformat = TexFormatToOpenGLFormat(pCommand->m_StoreFormat); @@ -199,18 +267,16 @@ void CCommandProcessorFragment_OpenGL::Cmd_Texture_Create(const CCommandBuffer:: { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexImage2D(GL_TEXTURE_2D, 0, StoreOglformat, pCommand->m_Width, pCommand->m_Height, 0, Oglformat, GL_UNSIGNED_BYTE, pCommand->m_pData); + glTexImage2D(GL_TEXTURE_2D, 0, StoreOglformat, Width, Height, 0, Oglformat, GL_UNSIGNED_BYTE, pTexData); } else { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); - gluBuild2DMipmaps(GL_TEXTURE_2D, StoreOglformat, pCommand->m_Width, pCommand->m_Height, Oglformat, GL_UNSIGNED_BYTE, pCommand->m_pData); + gluBuild2DMipmaps(GL_TEXTURE_2D, StoreOglformat, Width, Height, Oglformat, GL_UNSIGNED_BYTE, pTexData); } // calculate memory usage - int Width = pCommand->m_Width; - int Height = pCommand->m_Height; m_aTextures[pCommand->m_Slot].m_MemSize = Width*Height*pCommand->m_PixelSize; while(Width > 2 && Height > 2) { @@ -220,7 +286,7 @@ void CCommandProcessorFragment_OpenGL::Cmd_Texture_Create(const CCommandBuffer:: } *m_pTextureMemoryUsage += m_aTextures[pCommand->m_Slot].m_MemSize; - mem_free(pCommand->m_pData); + mem_free(pTexData); } void CCommandProcessorFragment_OpenGL::Cmd_Clear(const CCommandBuffer::SCommand_Clear *pCommand) diff --git a/src/engine/client/backend_sdl.h b/src/engine/client/backend_sdl.h index e1fc60b0c..e90f9455d 100644 --- a/src/engine/client/backend_sdl.h +++ b/src/engine/client/backend_sdl.h @@ -189,6 +189,8 @@ public: private: static int TexFormatToOpenGLFormat(int TexFormat); + static unsigned char Sample(int w, int h, const unsigned char *pData, int u, int v, int Offset, int ScaleW, int ScaleH, int Bpp); + static void *Rescale(int Width, int Height, int NewWidth, int NewHeight, int Format, const unsigned char *pData); void SetState(const CCommandBuffer::SState &State); diff --git a/src/engine/client/graphics_threaded.cpp b/src/engine/client/graphics_threaded.cpp index 751e4ad2c..7a2687c51 100644 --- a/src/engine/client/graphics_threaded.cpp +++ b/src/engine/client/graphics_threaded.cpp @@ -107,41 +107,6 @@ void CGraphics_Threaded::Rotate4(const CCommandBuffer::SPoint &rCenter, CCommand } } -unsigned char CGraphics_Threaded::Sample(int w, int h, const unsigned char *pData, int u, int v, int Offset, int ScaleW, int ScaleH, int Bpp) -{ - int Value = 0; - for(int x = 0; x < ScaleW; x++) - for(int y = 0; y < ScaleH; y++) - Value += pData[((v+y)*w+(u+x))*Bpp+Offset]; - return Value/(ScaleW*ScaleH); -} - -unsigned char *CGraphics_Threaded::Rescale(int Width, int Height, int NewWidth, int NewHeight, int Format, const unsigned char *pData) -{ - unsigned char *pTmpData; - int ScaleW = Width/NewWidth; - int ScaleH = Height/NewHeight; - - int Bpp = 3; - if(Format == CImageInfo::FORMAT_RGBA) - Bpp = 4; - - pTmpData = (unsigned char *)mem_alloc(NewWidth*NewHeight*Bpp, 1); - - int c = 0; - for(int y = 0; y < NewHeight; y++) - for(int x = 0; x < NewWidth; x++, c++) - { - pTmpData[c*Bpp] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 0, ScaleW, ScaleH, Bpp); - pTmpData[c*Bpp+1] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 1, ScaleW, ScaleH, Bpp); - pTmpData[c*Bpp+2] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 2, ScaleW, ScaleH, Bpp); - if(Bpp == 4) - pTmpData[c*Bpp+3] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 3, ScaleW, ScaleH, Bpp); - } - - return pTmpData; -} - CGraphics_Threaded::CGraphics_Threaded() { m_State.m_ScreenTL.x = 0; @@ -365,6 +330,8 @@ int CGraphics_Threaded::LoadTextureRaw(int Width, int Height, int Format, const Cmd.m_Flags |= CCommandBuffer::TEXFLAG_NOMIPMAPS; if(g_Config.m_GfxTextureCompression) Cmd.m_Flags |= CCommandBuffer::TEXFLAG_COMPRESSED; + if(g_Config.m_GfxTextureQuality || Flags&TEXLOAD_NORESAMPLE) + Cmd.m_Flags |= CCommandBuffer::TEXFLAG_QUALITY; // copy texture data int MemSize = Width*Height*Cmd.m_PixelSize; diff --git a/src/engine/client/graphics_threaded.h b/src/engine/client/graphics_threaded.h index 6b3963eea..809a383a0 100644 --- a/src/engine/client/graphics_threaded.h +++ b/src/engine/client/graphics_threaded.h @@ -96,6 +96,7 @@ public: TEXFLAG_NOMIPMAPS = 1, TEXFLAG_COMPRESSED = 2, + TEXFLAG_QUALITY = 4, }; enum @@ -363,9 +364,6 @@ class CGraphics_Threaded : public IEngineGraphics void AddVertices(int Count); void Rotate4(const CCommandBuffer::SPoint &rCenter, CCommandBuffer::SVertex *pPoints); - static unsigned char Sample(int w, int h, const unsigned char *pData, int u, int v, int Offset, int ScaleW, int ScaleH, int Bpp); - static unsigned char *Rescale(int Width, int Height, int NewWidth, int NewHeight, int Format, const unsigned char *pData); - void KickCommandBuffer(); int IssueInit();