void CGraphics_Threaded::FlushVertices()
{
if(m_NumVertices == 0)
return;
int NumVerts = m_NumVertices;
m_NumVertices = 0;
CCommandBuffer::SCommand_Render Cmd;
Cmd.m_State = m_State;
if(m_Drawing == DRAWING_QUADS)
{
Cmd.m_PrimType = CCommandBuffer::PRIMTYPE_QUADS;
Cmd.m_PrimCount = NumVerts/4;
}
else if(m_Drawing == DRAWING_LINES)
{
Cmd.m_PrimType = CCommandBuffer::PRIMTYPE_LINES;
Cmd.m_PrimCount = NumVerts/2;
}
else
return;
Cmd.m_pVertices = (CCommandBuffer::SVertex *)m_pCommandBuffer->AllocData(sizeof(CCommandBuffer::SVertex)*NumVerts);
if(Cmd.m_pVertices == 0x0)
{
// kick command buffer and try again
KickCommandBuffer();
Cmd.m_pVertices = (CCommandBuffer::SVertex *)m_pCommandBuffer->AllocData(sizeof(CCommandBuffer::SVertex)*NumVerts);
if(Cmd.m_pVertices == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return;
}
}
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(Cmd))
{
// kick command buffer and try again
KickCommandBuffer();
Cmd.m_pVertices = (CCommandBuffer::SVertex *)m_pCommandBuffer->AllocData(sizeof(CCommandBuffer::SVertex)*NumVerts);
if(Cmd.m_pVertices == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return;
}
if(!m_pCommandBuffer->AddCommand(Cmd))
{
dbg_msg("graphics", "failed to allocate memory for render command");
return;
}
}
mem_copy(Cmd.m_pVertices, m_aVertices, sizeof(CCommandBuffer::SVertex)*NumVerts);
}
int CGraphics_Threaded::GetVideoModes(CVideoMode *pModes, int MaxModes)
{
if(g_Config.m_GfxDisplayAllModes)
{
int Count = sizeof(g_aFakeModes)/sizeof(CVideoMode);
mem_copy(pModes, g_aFakeModes, sizeof(g_aFakeModes));
if(MaxModes < Count)
Count = MaxModes;
return Count;
}
// add videomodes command
CImageInfo Image;
mem_zero(&Image, sizeof(Image));
int NumModes = 0;
CCommandBuffer::SCommand_VideoModes Cmd;
Cmd.m_pModes = pModes;
Cmd.m_MaxModes = MaxModes;
Cmd.m_pNumModes = &NumModes;
m_pCommandBuffer->AddCommand(Cmd);
// kick the buffer and wait for the result and return it
KickCommandBuffer();
WaitForIdle();
return NumModes;
}
void CGraphics_Threaded::ScreenshotDirect(const char *pFilename)
{
// add swap command
CImageInfo Image;
mem_zero(&Image, sizeof(Image));
CCommandBuffer::SCommand_Screenshot Cmd;
Cmd.m_pImage = &Image;
m_pCommandBuffer->AddCommand(Cmd);
// kick the buffer and wait for the result
KickCommandBuffer();
WaitForIdle();
if(Image.m_pData)
{
// find filename
char aWholePath[1024];
png_t Png; // ignore_convention
IOHANDLE File = m_pStorage->OpenFile(pFilename, IOFLAG_WRITE, IStorage::TYPE_SAVE, aWholePath, sizeof(aWholePath));
if(File)
io_close(File);
// save png
char aBuf[256];
str_format(aBuf, sizeof(aBuf), "saved screenshot to '%s'", aWholePath);
m_pConsole->Print(IConsole::OUTPUT_LEVEL_STANDARD, "client", aBuf);
png_open_file_write(&Png, aWholePath); // ignore_convention
png_set_data(&Png, Image.m_Width, Image.m_Height, 8, PNG_TRUECOLOR, (unsigned char *)Image.m_pData); // ignore_convention
png_close_file(&Png); // ignore_convention
mem_free(Image.m_pData);
}
}
int CGraphics_Threaded::LoadTextureRawSub(int TextureID, int x, int y, int Width, int Height, int Format, const void *pData)
{
CCommandBuffer::SCommand_Texture_Update Cmd;
Cmd.m_Slot = TextureID;
Cmd.m_X = x;
Cmd.m_Y = y;
Cmd.m_Width = Width;
Cmd.m_Height = Height;
Cmd.m_Format = ImageFormatToTexFormat(Format);
// calculate memory usage
int MemSize = Width*Height*ImageFormatToPixelSize(Format);
// copy texture data
void *pTmpData = mem_alloc(MemSize, sizeof(void*));
mem_copy(pTmpData, pData, MemSize);
Cmd.m_pData = pTmpData;
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(Cmd))
{
// kick command buffer and try again
KickCommandBuffer();
m_pCommandBuffer->AddCommand(Cmd);
}
return 0;
}
bool CGraphics_Threaded::SetVSync(bool State)
{
// add vsnc command
bool RetOk = 0;
CCommandBuffer::SCommand_VSync Cmd;
Cmd.m_VSync = State ? 1 : 0;
Cmd.m_pRetOk = &RetOk;
m_pCommandBuffer->AddCommand(Cmd);
// kick the command buffer
KickCommandBuffer();
WaitForIdle();
return RetOk;
}
void CGraphics_Threaded::Swap()
{
// TODO: screenshot support
if(m_DoScreenshot)
{
ScreenshotDirect(m_aScreenshotName);
m_DoScreenshot = false;
}
// add swap command
CCommandBuffer::SCommand_Swap Cmd;
m_pCommandBuffer->AddCommand(Cmd);
// kick the command buffer
KickCommandBuffer();
}
int CGraphics_Threaded::LoadTextureRaw(int Width, int Height, int Format, const void *pData, int StoreFormat, int Flags)
{
// don't waste memory on texture if we are stress testing
#ifdef CONF_DEBUG
if(g_Config.m_DbgStress)
return m_InvalidTexture;
#endif
// grab texture
int Tex = m_FirstFreeTexture;
m_FirstFreeTexture = m_aTextureIndices[Tex];
m_aTextureIndices[Tex] = -1;
CCommandBuffer::SCommand_Texture_Create Cmd;
Cmd.m_Slot = Tex;
Cmd.m_Width = Width;
Cmd.m_Height = Height;
Cmd.m_PixelSize = ImageFormatToPixelSize(Format);
Cmd.m_Format = ImageFormatToTexFormat(Format);
Cmd.m_StoreFormat = ImageFormatToTexFormat(StoreFormat);
// flags
Cmd.m_Flags = 0;
if(Flags&IGraphics::TEXLOAD_NOMIPMAPS)
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;
void *pTmpData = mem_alloc(MemSize, sizeof(void*));
mem_copy(pTmpData, pData, MemSize);
Cmd.m_pData = pTmpData;
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(Cmd))
{
// kick command buffer and try again
KickCommandBuffer();
m_pCommandBuffer->AddCommand(Cmd);
}
return Tex;
}
void CGraphics_Threaded::Swap()
{
// TODO: screenshot support
if(m_DoScreenshot)
{
if(WindowActive())
ScreenshotDirect(m_aScreenshotName);
m_DoScreenshot = false;
}
// add swap command
CCommandBuffer::SCommand_Swap Cmd;
Cmd.m_Finish = g_Config.m_GfxFinish;
m_pCommandBuffer->AddCommand(Cmd);
// kick the command buffer
KickCommandBuffer();
}
void CGraphics_Threaded::ReadBackbuffer(unsigned char **ppPixels, int x, int y, int w, int h)
{
if(!ppPixels)
return;
// add swap command
CImageInfo Image;
mem_zero(&Image, sizeof(Image));
CCommandBuffer::SCommand_Screenshot Cmd;
Cmd.m_pImage = &Image;
Cmd.m_X = x; Cmd.m_Y = y;
Cmd.m_W = w; Cmd.m_H = h;
m_pCommandBuffer->AddCommand(Cmd);
// kick the buffer and wait for the result
KickCommandBuffer();
WaitForIdle();
*ppPixels = (unsigned char *)Image.m_pData; // take ownership!
}
void CGraphics_Threaded::DrawBorderTile(int VisualObjectIDX, float *pColor, char *pOffset, float *Offset, float *Dir, int JumpIndex, unsigned int DrawNum)
{
if(DrawNum == 0) return;
// Draw a border tile a lot of times
CCommandBuffer::SCommand_RenderBorderTile Cmd;
Cmd.m_State = m_State;
Cmd.m_DrawNum = DrawNum;
Cmd.m_VisualObjectIDX = m_VertexArrayIndices[VisualObjectIDX];
mem_copy(&Cmd.m_Color, pColor, sizeof(Cmd.m_Color));
float ScreenZoomRatio = ScreenWidth() / (m_State.m_ScreenBR.x - m_State.m_ScreenTL.x);
//the number of pixels we would skip in the fragment shader -- basically the LOD
float LODFactor = (64.f / (32.f * ScreenZoomRatio));
//log2 gives us the amount of halving the texture for mipmapping
int LOD = (int)log2f(LODFactor);
if(LOD > 5) LOD = 5;
if(LOD < 0) LOD = 0;
Cmd.m_LOD = LOD;
Cmd.m_pIndicesOffset = pOffset;
Cmd.m_JumpIndex = JumpIndex;
Cmd.m_Offset[0] = Offset[0];
Cmd.m_Offset[1] = Offset[1];
Cmd.m_Dir[0] = Dir[0];
Cmd.m_Dir[1] = Dir[1];
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(Cmd))
{
// kick command buffer and try again
KickCommandBuffer();
if(!m_pCommandBuffer->AddCommand(Cmd))
{
dbg_msg("graphics", "failed to allocate memory for render command");
return;
}
}
}
void CGraphics_Threaded::Resize(int w, int h)
{
if(m_ScreenWidth == w && m_ScreenHeight == h)
return;
if(h > 4*w/5)
h = 4*w/5;
if(w > 21*h/9)
w = 21*h/9;
m_ScreenWidth = w;
m_ScreenHeight = h;
CCommandBuffer::SCommand_Resize Cmd;
Cmd.m_Width = w;
Cmd.m_Height = h;
m_pCommandBuffer->AddCommand(Cmd);
// kick the command buffer
KickCommandBuffer();
WaitForIdle();
}
void CGraphics_Threaded::DestroyVisual(int VisualObjectIDX)
{
if (VisualObjectIDX == -1) return;
CCommandBuffer::SCommand_DestroyVisual Cmd;
Cmd.m_VisualObjectIDX = m_VertexArrayIndices[VisualObjectIDX];
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(Cmd))
{
// kick command buffer and try again
KickCommandBuffer();
if(!m_pCommandBuffer->AddCommand(Cmd))
{
dbg_msg("graphics", "failed to allocate memory for destroy all visuals command");
return;
}
}
//also clear the vert array index
m_VertexArrayIndices[VisualObjectIDX] = m_FirstFreeVertexArrayIndex;
m_FirstFreeVertexArrayIndex = VisualObjectIDX;
}
void CGraphics_Threaded::DrawVisualObject(int VisualObjectIDX, float *pColor, char** pOffsets, unsigned int *IndicedVertexDrawNum, size_t NumIndicesOffet)
{
if(NumIndicesOffet == 0) return;
//add the VertexArrays and draw
CCommandBuffer::SCommand_RenderVertexArray Cmd;
Cmd.m_State = m_State;
Cmd.m_IndicesDrawNum = NumIndicesOffet;
Cmd.m_VisualObjectIDX = m_VertexArrayIndices[VisualObjectIDX];
mem_copy(&Cmd.m_Color, pColor, sizeof(Cmd.m_Color));
float ScreenZoomRatio = ScreenWidth() / (m_State.m_ScreenBR.x - m_State.m_ScreenTL.x);
//the number of pixels we would skip in the fragment shader -- basically the LOD
float LODFactor = (64.f / (32.f * ScreenZoomRatio));
//log2 gives us the amount of halving the texture for mipmapping
int LOD = (int)log2f(LODFactor);
//5 because log2(1024/(2^5)) is 5 -- 2^5 = 32 which would mean 2 pixels per tile index
if(LOD > 5) LOD = 5;
if(LOD < 0) LOD = 0;
Cmd.m_LOD = LOD;
void *Data = m_pCommandBuffer->AllocData((sizeof(char*) + sizeof(unsigned int))*NumIndicesOffet);
if(Data == 0x0)
{
// kick command buffer and try again
KickCommandBuffer();
void *Data = m_pCommandBuffer->AllocData((sizeof(char*) + sizeof(unsigned int))*NumIndicesOffet);
if(Data == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return;
}
}
Cmd.m_pIndicesOffsets = (char**)Data;
Cmd.m_pDrawCount = (unsigned int*)(((char*)Data) + (sizeof(char*)*NumIndicesOffet));
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(Cmd))
{
// kick command buffer and try again
KickCommandBuffer();
Data = m_pCommandBuffer->AllocData((sizeof(char*) + sizeof(unsigned int))*NumIndicesOffet);
if(Data == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return;
}
Cmd.m_pIndicesOffsets = (char**)Data;
Cmd.m_pDrawCount = (unsigned int*)(((char*)Data) + (sizeof(char*)*NumIndicesOffet));
if(!m_pCommandBuffer->AddCommand(Cmd))
{
dbg_msg("graphics", "failed to allocate memory for render command");
return;
}
}
mem_copy(Cmd.m_pIndicesOffsets, pOffsets, sizeof(char*)*NumIndicesOffet);
mem_copy(Cmd.m_pDrawCount, IndicedVertexDrawNum, sizeof(unsigned int)*NumIndicesOffet);
//todo max indices group check!!
}
void CGraphics_Threaded::FlushVertices()
{
if(m_NumVertices == 0)
return;
size_t VertSize = 0;
if(!m_UseOpenGL3_3) VertSize = sizeof(CCommandBuffer::SVertexOld);
else VertSize = sizeof(CCommandBuffer::SVertex);
int NumVerts = m_NumVertices;
m_NumVertices = 0;
CCommandBuffer::SCommand_Render Cmd;
Cmd.m_State = m_State;
if(m_Drawing == DRAWING_QUADS)
{
if(g_Config.m_GfxQuadAsTriangle && !m_UseOpenGL3_3)
{
Cmd.m_PrimType = CCommandBuffer::PRIMTYPE_TRIANGLES;
Cmd.m_PrimCount = NumVerts/3;
}
else
{
Cmd.m_PrimType = CCommandBuffer::PRIMTYPE_QUADS;
Cmd.m_PrimCount = NumVerts/4;
}
}
else if(m_Drawing == DRAWING_LINES)
{
Cmd.m_PrimType = CCommandBuffer::PRIMTYPE_LINES;
Cmd.m_PrimCount = NumVerts/2;
}
else
return;
Cmd.m_pVertices = (CCommandBuffer::SVertexBase *)m_pCommandBuffer->AllocData(VertSize*NumVerts);
if(Cmd.m_pVertices == 0x0)
{
// kick command buffer and try again
KickCommandBuffer();
Cmd.m_pVertices = (CCommandBuffer::SVertexBase *)m_pCommandBuffer->AllocData(VertSize*NumVerts);
if(Cmd.m_pVertices == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return;
}
}
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(Cmd))
{
// kick command buffer and try again
KickCommandBuffer();
Cmd.m_pVertices = (CCommandBuffer::SVertexBase *)m_pCommandBuffer->AllocData(VertSize*NumVerts);
if(Cmd.m_pVertices == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return;
}
if(!m_pCommandBuffer->AddCommand(Cmd))
{
dbg_msg("graphics", "failed to allocate memory for render command");
return;
}
}
mem_copy(Cmd.m_pVertices, m_pVertices, VertSize*NumVerts);
}
void CGraphics_Threaded::AppendAllVertices(float *pVertices, unsigned char *pTexCoords, int NumTiles, int VisualObjectIDX)
{
//the size of the cmd data buffer is 2MB -- we create 4 vertices of each 2 floats plus 2 shorts(2*unsigned char each) if TexCoordinates are used
char AddTexture = (pTexCoords == NULL ? 0 : 1);
int AddTextureSize = (pTexCoords == NULL ? 0 : (sizeof(unsigned char) * 2 * 2 * 4));
int MaxTileNumUpload = (1024*1024*2) / (sizeof(float) * 4 * 2 + AddTextureSize);
int RealTileNum = NumTiles;
if(NumTiles > MaxTileNumUpload) RealTileNum = MaxTileNumUpload;
CCommandBuffer::SCommand_AppendVertexBufferObject Cmd;
int NumVerts = (Cmd.m_NumVertices = RealTileNum * 4 * 2); //number of vertices to upload -- same value for texcoords(if used)
Cmd.m_VisualObjectIDX = VisualObjectIDX;
Cmd.m_Elements = m_pCommandBuffer->AllocData(RealTileNum * (sizeof(float) * 4 * 2 + AddTextureSize));
if(Cmd.m_Elements == 0x0)
{
// kick command buffer and try again
KickCommandBuffer();
Cmd.m_Elements = m_pCommandBuffer->AllocData(RealTileNum * (sizeof(float) * 4 * 2 + AddTextureSize));
if(Cmd.m_Elements == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return;
}
}
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(Cmd))
{
// kick command buffer and try again
KickCommandBuffer();
Cmd.m_Elements = m_pCommandBuffer->AllocData(RealTileNum * (sizeof(float) * 4 * 2 + AddTextureSize));
if(Cmd.m_Elements == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return;
}
if(!m_pCommandBuffer->AddCommand(Cmd))
{
dbg_msg("graphics", "failed to allocate memory for create vertex buffer command");
return;
}
}
mem_copy_special(Cmd.m_Elements, pVertices, sizeof(float) * 2, RealTileNum * 4, (AddTexture) * sizeof(unsigned char) * 2 * 2);
if(pTexCoords)
{
mem_copy_special(((char*)Cmd.m_Elements) + sizeof(float) * 2, pTexCoords, sizeof(unsigned char) * 2 * 2, RealTileNum * 4, (AddTexture) * sizeof(float) * 2);
}
if(NumTiles > RealTileNum)
{
pVertices += NumVerts;
if(pTexCoords) pTexCoords += NumVerts*2;
AppendAllVertices(pVertices, pTexCoords, NumTiles - RealTileNum, VisualObjectIDX);
}
}
int CGraphics_Threaded::CreateVisualObjects(float *pVertices, unsigned char *pTexCoords, int NumTiles, unsigned int NumIndicesRequired)
{
if(!pVertices) return -1;
//first create an index
int index = -1;
if(m_FirstFreeVertexArrayIndex == -1)
{
index = m_VertexArrayIndices.size();
m_VertexArrayIndices.push_back(index);
}
else
{
index = m_FirstFreeVertexArrayIndex;
m_FirstFreeVertexArrayIndex = m_VertexArrayIndices[index];
m_VertexArrayIndices[index] = index;
}
//upload the vertex buffer first
//the size of the cmd data buffer is 2MB -- we create 4 vertices of each 2 floats plus 2 shorts(2*unsigned char each) if TexCoordinates are used
char AddTexture = (pTexCoords == NULL ? 0 : 1);
int AddTextureSize = (pTexCoords == NULL ? 0 : (sizeof(unsigned char) * 2 * 2 * 4));
int MaxTileNumUpload = (1024*1024*2) / (sizeof(float) * 4 * 2 + AddTextureSize);
int RealTileNum = NumTiles;
if(NumTiles > MaxTileNumUpload) RealTileNum = MaxTileNumUpload;
CCommandBuffer::SCommand_CreateVertexBufferObject Cmd;
Cmd.m_IsTextured = pTexCoords != NULL;
Cmd.m_VisualObjectIDX = index;
int NumVerts = (Cmd.m_NumVertices = RealTileNum * 4 * 2); //number of vertices to upload -- same value for texcoords(if used)
Cmd.m_Elements = m_pCommandBuffer->AllocData(RealTileNum * (sizeof(float) * 4 * 2 + AddTextureSize));
if(Cmd.m_Elements == 0x0)
{
// kick command buffer and try again
KickCommandBuffer();
Cmd.m_Elements = m_pCommandBuffer->AllocData(RealTileNum * (sizeof(float) * 4 * 2 + AddTextureSize));
if(Cmd.m_Elements == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return -1;
}
}
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(Cmd))
{
// kick command buffer and try again
KickCommandBuffer();
Cmd.m_Elements = m_pCommandBuffer->AllocData(RealTileNum * (sizeof(float) * 4 * 2 + AddTextureSize));
if(Cmd.m_Elements == 0x0)
{
dbg_msg("graphics", "failed to allocate data for vertices");
return -1;
}
if(!m_pCommandBuffer->AddCommand(Cmd))
{
dbg_msg("graphics", "failed to allocate memory for create vertex buffer command");
return -1;
}
}
mem_copy_special(Cmd.m_Elements, pVertices, sizeof(float) * 2, RealTileNum * 4, (AddTexture) * sizeof(unsigned char) * 2 * 2);
if(pTexCoords)
{
mem_copy_special(((char*)Cmd.m_Elements) + sizeof(float) * 2, pTexCoords, sizeof(unsigned char) * 2 * 2, RealTileNum * 4, (AddTexture) * sizeof(float) * 2);
}
if(NumTiles > MaxTileNumUpload)
{
pVertices += NumVerts;
if(pTexCoords) pTexCoords += NumVerts*2;
AppendAllVertices(pVertices, pTexCoords, NumTiles - MaxTileNumUpload, index);
}
CCommandBuffer::SCommand_CreateVertexArrayObject VertArrayCmd;
VertArrayCmd.m_VisualObjectIDX = index;
VertArrayCmd.m_RequiredIndicesCount = NumIndicesRequired;
// check if we have enough free memory in the commandbuffer
if(!m_pCommandBuffer->AddCommand(VertArrayCmd))
{
// kick command buffer and try again
KickCommandBuffer();
if(!m_pCommandBuffer->AddCommand(VertArrayCmd))
{
dbg_msg("graphics", "failed to allocate memory for create vertex array command");
return -1;
}
}
//make sure we uploaded everything
KickCommandBuffer();
return index;
}