diff options
Diffstat (limited to 'src/engine/client/backend_sdl.cpp')
| -rw-r--r-- | src/engine/client/backend_sdl.cpp | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/src/engine/client/backend_sdl.cpp b/src/engine/client/backend_sdl.cpp index 5f57fa30..d99f765b 100644 --- a/src/engine/client/backend_sdl.cpp +++ b/src/engine/client/backend_sdl.cpp @@ -133,7 +133,7 @@ void CCommandProcessorFragment_OpenGL::SetState(const CCommandBuffer::SState &St if(State.m_Texture >= 0 && State.m_Texture < CCommandBuffer::MAX_TEXTURES) { glEnable(GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_2D, m_aTextures[State.m_Texture]); + glBindTexture(GL_TEXTURE_2D, m_aTextures[State.m_Texture].m_Tex); } else glDisable(GL_TEXTURE_2D); @@ -158,9 +158,14 @@ void CCommandProcessorFragment_OpenGL::SetState(const CCommandBuffer::SState &St glOrtho(State.m_ScreenTL.x, State.m_ScreenBR.x, State.m_ScreenBR.y, State.m_ScreenTL.y, 1.0f, 10.f); } +void CCommandProcessorFragment_OpenGL::Cmd_Init(const SCommand_Init *pCommand) +{ + m_pTextureMemoryUsage = pCommand->m_pTextureMemoryUsage; +} + void CCommandProcessorFragment_OpenGL::Cmd_Texture_Update(const CCommandBuffer::SCommand_Texture_Update *pCommand) { - glBindTexture(GL_TEXTURE_2D, m_aTextures[pCommand->m_Slot]); + glBindTexture(GL_TEXTURE_2D, m_aTextures[pCommand->m_Slot].m_Tex); glTexSubImage2D(GL_TEXTURE_2D, 0, pCommand->m_X, pCommand->m_Y, pCommand->m_Width, pCommand->m_Height, TexFormatToOpenGLFormat(pCommand->m_Format), GL_UNSIGNED_BYTE, pCommand->m_pData); mem_free(pCommand->m_pData); @@ -168,7 +173,8 @@ void CCommandProcessorFragment_OpenGL::Cmd_Texture_Update(const CCommandBuffer:: void CCommandProcessorFragment_OpenGL::Cmd_Texture_Destroy(const CCommandBuffer::SCommand_Texture_Destroy *pCommand) { - glDeleteTextures(1, &m_aTextures[pCommand->m_Slot]); + glDeleteTextures(1, &m_aTextures[pCommand->m_Slot].m_Tex); + *m_pTextureMemoryUsage -= m_aTextures[pCommand->m_Slot].m_MemSize; } void CCommandProcessorFragment_OpenGL::Cmd_Texture_Create(const CCommandBuffer::SCommand_Texture_Create *pCommand) @@ -186,8 +192,8 @@ void CCommandProcessorFragment_OpenGL::Cmd_Texture_Create(const CCommandBuffer:: default: StoreOglformat = GL_COMPRESSED_RGBA_ARB; } } - glGenTextures(1, &m_aTextures[pCommand->m_Slot]); - glBindTexture(GL_TEXTURE_2D, m_aTextures[pCommand->m_Slot]); + glGenTextures(1, &m_aTextures[pCommand->m_Slot].m_Tex); + glBindTexture(GL_TEXTURE_2D, m_aTextures[pCommand->m_Slot].m_Tex); if(pCommand->m_Flags&CCommandBuffer::TEXFLAG_NOMIPMAPS) { @@ -202,6 +208,18 @@ void CCommandProcessorFragment_OpenGL::Cmd_Texture_Create(const CCommandBuffer:: gluBuild2DMipmaps(GL_TEXTURE_2D, StoreOglformat, pCommand->m_Width, pCommand->m_Height, Oglformat, GL_UNSIGNED_BYTE, pCommand->m_pData); } + // 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) + { + Width>>=1; + Height>>=1; + m_aTextures[pCommand->m_Slot].m_MemSize += Width*Height*pCommand->m_PixelSize; + } + *m_pTextureMemoryUsage += m_aTextures[pCommand->m_Slot].m_MemSize; + mem_free(pCommand->m_pData); } @@ -273,12 +291,14 @@ void CCommandProcessorFragment_OpenGL::Cmd_Screenshot(const CCommandBuffer::SCom CCommandProcessorFragment_OpenGL::CCommandProcessorFragment_OpenGL() { mem_zero(m_aTextures, sizeof(m_aTextures)); + m_pTextureMemoryUsage = 0; } bool CCommandProcessorFragment_OpenGL::RunCommand(const CCommandBuffer::SCommand * pBaseCommand) { switch(pBaseCommand->m_Cmd) { + case CMD_INIT: Cmd_Init(static_cast<const SCommand_Init *>(pBaseCommand)); break; case CCommandBuffer::CMD_TEXTURE_CREATE: Cmd_Texture_Create(static_cast<const CCommandBuffer::SCommand_Texture_Create *>(pBaseCommand)); break; case CCommandBuffer::CMD_TEXTURE_DESTROY: Cmd_Texture_Destroy(static_cast<const CCommandBuffer::SCommand_Texture_Destroy *>(pBaseCommand)); break; case CCommandBuffer::CMD_TEXTURE_UPDATE: Cmd_Texture_Update(static_cast<const CCommandBuffer::SCommand_Texture_Update *>(pBaseCommand)); break; @@ -487,11 +507,14 @@ int CGraphicsBackend_SDL_OpenGL::Init(const char *pName, int *Width, int *Height m_pProcessor = new CCommandProcessor_SDL_OpenGL; StartProcessor(m_pProcessor); - // issue a init command + // issue init commands for OpenGL and SDL CCommandBuffer CmdBuffer(1024, 512); - CCommandProcessorFragment_SDL::SCommand_Init Cmd; - Cmd.m_Context = m_GLContext; - CmdBuffer.AddCommand(Cmd); + CCommandProcessorFragment_OpenGL::SCommand_Init CmdOpenGL; + CmdOpenGL.m_pTextureMemoryUsage = &m_TextureMemoryUsage; + CmdBuffer.AddCommand(CmdOpenGL); + CCommandProcessorFragment_SDL::SCommand_Init CmdSDL; + CmdSDL.m_Context = m_GLContext; + CmdBuffer.AddCommand(CmdSDL); RunBuffer(&CmdBuffer); WaitForIdle(); @@ -517,6 +540,11 @@ int CGraphicsBackend_SDL_OpenGL::Shutdown() return 0; } +int CGraphicsBackend_SDL_OpenGL::MemoryUsage() const +{ + return m_TextureMemoryUsage; +} + void CGraphicsBackend_SDL_OpenGL::Minimize() { SDL_WM_IconifyWindow(); |