private void SetupDebugCallback() { if (this.Version < new GLVersion(4, 3)) { return; } Assert.Null(_debugCallback); NativeMethods.Enable(EnableCap.DebugOutput); _debugCallback = new DebugMessageCallback(DebugCallback); _glDebugMessageCallback(_debugCallback, IntPtr.Zero); }
/* END STRING MARKER FUNCTIONS */ #endif private void LoadGLEntryPoints() { string baseErrorString; if (useES2) { baseErrorString = "OpenGL ES 2.0"; } else { baseErrorString = "OpenGL 2.1"; } baseErrorString += " support is required!"; /* Basic entry points. If you don't have these, you're screwed. */ try { INTERNAL_glGetString = (GetString) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetString"), typeof(GetString) ); glGetIntegerv = (GetIntegerv) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetIntegerv"), typeof(GetIntegerv) ); glEnable = (Enable) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glEnable"), typeof(Enable) ); glDisable = (Disable) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDisable"), typeof(Disable) ); glViewport = (G_Viewport) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glViewport"), typeof(G_Viewport) ); glScissor = (Scissor) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glScissor"), typeof(Scissor) ); glBlendColor = (BlendColor) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBlendColor"), typeof(BlendColor) ); glBlendFuncSeparate = (BlendFuncSeparate) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBlendFuncSeparate"), typeof(BlendFuncSeparate) ); glBlendEquationSeparate = (BlendEquationSeparate) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBlendEquationSeparate"), typeof(BlendEquationSeparate) ); glColorMask = (ColorMask) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glColorMask"), typeof(ColorMask) ); glDepthMask = (DepthMask) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDepthMask"), typeof(DepthMask) ); glDepthFunc = (DepthFunc) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDepthFunc"), typeof(DepthFunc) ); glStencilMask = (StencilMask) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilMask"), typeof(StencilMask) ); glStencilFuncSeparate = (StencilFuncSeparate) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilFuncSeparate"), typeof(StencilFuncSeparate) ); glStencilOpSeparate = (StencilOpSeparate) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilOpSeparate"), typeof(StencilOpSeparate) ); glStencilFunc = (StencilFunc) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilFunc"), typeof(StencilFunc) ); glStencilOp = (StencilOp) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilOp"), typeof(StencilOp) ); glFrontFace = (FrontFace) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glFrontFace"), typeof(FrontFace) ); glPolygonOffset = (PolygonOffset) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glPolygonOffset"), typeof(PolygonOffset) ); glGenTextures = (GenTextures) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGenTextures"), typeof(GenTextures) ); glDeleteTextures = (DeleteTextures) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDeleteTextures"), typeof(DeleteTextures) ); glBindTexture = (G_BindTexture) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBindTexture"), typeof(G_BindTexture) ); glTexImage2D = (TexImage2D) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexImage2D"), typeof(TexImage2D) ); glTexSubImage2D = (TexSubImage2D) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexSubImage2D"), typeof(TexSubImage2D) ); glCompressedTexImage2D = (CompressedTexImage2D) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glCompressedTexImage2D"), typeof(CompressedTexImage2D) ); glCompressedTexSubImage2D = (CompressedTexSubImage2D) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glCompressedTexSubImage2D"), typeof(CompressedTexSubImage2D) ); glTexParameteri = (TexParameteri) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexParameteri"), typeof(TexParameteri) ); glTexParameterf = (TexParameterf) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexParameterf"), typeof(TexParameterf) ); glActiveTexture = (ActiveTexture) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glActiveTexture"), typeof(ActiveTexture) ); glPixelStorei = (PixelStorei) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glPixelStorei"), typeof(PixelStorei) ); glGenBuffers = (GenBuffers) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGenBuffers"), typeof(GenBuffers) ); glDeleteBuffers = (DeleteBuffers) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDeleteBuffers"), typeof(DeleteBuffers) ); glBindBuffer = (BindBuffer) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBindBuffer"), typeof(BindBuffer) ); glBufferData = (BufferData) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBufferData"), typeof(BufferData) ); glBufferSubData = (BufferSubData) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBufferSubData"), typeof(BufferSubData) ); glClearColor = (ClearColor) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glClearColor"), typeof(ClearColor) ); glClearStencil = (ClearStencil) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glClearStencil"), typeof(ClearStencil) ); glClear = (G_Clear) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glClear"), typeof(G_Clear) ); glDrawBuffers = (DrawBuffers) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDrawBuffers"), typeof(DrawBuffers) ); glReadPixels = (ReadPixels) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glReadPixels"), typeof(ReadPixels) ); glVertexAttribPointer = (VertexAttribPointer) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glVertexAttribPointer"), typeof(VertexAttribPointer) ); glEnableVertexAttribArray = (EnableVertexAttribArray) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glEnableVertexAttribArray"), typeof(EnableVertexAttribArray) ); glDisableVertexAttribArray = (DisableVertexAttribArray) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDisableVertexAttribArray"), typeof(DisableVertexAttribArray) ); glDrawArrays = (DrawArrays) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDrawArrays"), typeof(DrawArrays) ); } catch { throw new NoSuitableGraphicsDeviceException(baseErrorString); } /* ARB_draw_elements_base_vertex is ideal! */ IntPtr ep = SDL.SDL_GL_GetProcAddress("glDrawRangeElementsBaseVertex"); supportsBaseVertex = ep != IntPtr.Zero; if (supportsBaseVertex) { glDrawRangeElementsBaseVertex = (DrawRangeElementsBaseVertex) Marshal.GetDelegateForFunctionPointer( ep, typeof(DrawRangeElementsBaseVertex) ); glDrawRangeElements = (DrawRangeElements) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDrawRangeElements"), typeof(DrawRangeElements) ); } else { /* DrawRangeElements is better, but some ES2 targets don't have it. */ ep = SDL.SDL_GL_GetProcAddress("glDrawRangeElements"); if (ep != IntPtr.Zero) { glDrawRangeElements = (DrawRangeElements) Marshal.GetDelegateForFunctionPointer( ep, typeof(DrawRangeElements) ); glDrawRangeElementsBaseVertex = DrawRangeElementsNoBase; } else { ep = SDL.SDL_GL_GetProcAddress("glDrawElements"); if (ep == IntPtr.Zero) { throw new NoSuitableGraphicsDeviceException(baseErrorString); } glDrawElements = (DrawElements) Marshal.GetDelegateForFunctionPointer( ep, typeof(DrawElements) ); glDrawRangeElements = DrawRangeElementsUnchecked; glDrawRangeElementsBaseVertex = DrawRangeElementsNoBaseUnchecked; } } /* These functions are NOT supported in ES. * NVIDIA or desktop ES might, but real scenarios where you need ES * will certainly not have these. * -flibit */ if (useES2) { ep = SDL.SDL_GL_GetProcAddress("glPolygonMode"); if (ep != IntPtr.Zero) { glPolygonMode = (PolygonMode) Marshal.GetDelegateForFunctionPointer( ep, typeof(PolygonMode) ); } else { glPolygonMode = PolygonModeESError; } ep = SDL.SDL_GL_GetProcAddress("glGetTexImage"); if (ep != IntPtr.Zero) { glGetTexImage = (GetTexImage) Marshal.GetDelegateForFunctionPointer( ep, typeof(GetTexImage) ); } else { glGetTexImage = GetTexImageESError; } ep = SDL.SDL_GL_GetProcAddress("glGetBufferSubData"); if (ep != IntPtr.Zero) { glGetBufferSubData = (GetBufferSubData) Marshal.GetDelegateForFunctionPointer( ep, typeof(GetBufferSubData) ); } else { glGetBufferSubData = GetBufferSubDataESError; } } else { try { glPolygonMode = (PolygonMode) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glPolygonMode"), typeof(PolygonMode) ); glGetTexImage = (GetTexImage) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetTexImage"), typeof(GetTexImage) ); glGetBufferSubData = (GetBufferSubData) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetBufferSubData"), typeof(GetBufferSubData) ); } catch { throw new NoSuitableGraphicsDeviceException(baseErrorString); } } /* We need _some_ form of depth range, ES... */ IntPtr drPtr = SDL.SDL_GL_GetProcAddress("glDepthRange"); if (drPtr != IntPtr.Zero) { glDepthRange = (DepthRange) Marshal.GetDelegateForFunctionPointer( drPtr, typeof(DepthRange) ); } else { drPtr = SDL.SDL_GL_GetProcAddress("glDepthRangef"); if (drPtr == IntPtr.Zero) { throw new NoSuitableGraphicsDeviceException(baseErrorString); } glDepthRangef = (DepthRangef) Marshal.GetDelegateForFunctionPointer( drPtr, typeof(DepthRangef) ); glDepthRange = DepthRangeFloat; } drPtr = SDL.SDL_GL_GetProcAddress("glClearDepth"); if (drPtr != IntPtr.Zero) { glClearDepth = (ClearDepth) Marshal.GetDelegateForFunctionPointer( drPtr, typeof(ClearDepth) ); } else { drPtr = SDL.SDL_GL_GetProcAddress("glClearDepthf"); if (drPtr == IntPtr.Zero) { throw new NoSuitableGraphicsDeviceException(baseErrorString); } glClearDepthf = (ClearDepthf) Marshal.GetDelegateForFunctionPointer( drPtr, typeof(ClearDepthf) ); glClearDepth = ClearDepthFloat; } /* Silently fail if using GLES. You didn't need these, right...? >_> */ try { glTexImage3D = (TexImage3D) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glTexImage3D", "OES"), typeof(TexImage3D) ); glTexSubImage3D = (TexSubImage3D) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glTexSubImage3D", "OES"), typeof(TexSubImage3D) ); glGenQueries = (GenQueries) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGenQueries"), typeof(GenQueries) ); glDeleteQueries = (DeleteQueries) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDeleteQueries"), typeof(DeleteQueries) ); glBeginQuery = (BeginQuery) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBeginQuery"), typeof(BeginQuery) ); glEndQuery = (EndQuery) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glEndQuery"), typeof(EndQuery) ); glGetQueryObjectuiv = (GetQueryObjectuiv) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetQueryObjectuiv"), typeof(GetQueryObjectuiv) ); } catch { if (useES2) { FNAPlatform.Log("Some non-ES functions failed to load. Beware..."); } else { throw new NoSuitableGraphicsDeviceException(baseErrorString); } } /* ARB_framebuffer_object. We're flexible, but not _that_ flexible. */ try { glGenFramebuffers = (GenFramebuffers) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glGenFramebuffers"), typeof(GenFramebuffers) ); glDeleteFramebuffers = (DeleteFramebuffers) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glDeleteFramebuffers"), typeof(DeleteFramebuffers) ); glBindFramebuffer = (G_BindFramebuffer) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glBindFramebuffer"), typeof(G_BindFramebuffer) ); glFramebufferTexture2D = (FramebufferTexture2D) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glFramebufferTexture2D"), typeof(FramebufferTexture2D) ); glFramebufferRenderbuffer = (FramebufferRenderbuffer) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glFramebufferRenderbuffer"), typeof(FramebufferRenderbuffer) ); glGenerateMipmap = (GenerateMipmap) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glGenerateMipmap"), typeof(GenerateMipmap) ); glGenRenderbuffers = (GenRenderbuffers) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glGenRenderbuffers"), typeof(GenRenderbuffers) ); glDeleteRenderbuffers = (DeleteRenderbuffers) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glDeleteRenderbuffers"), typeof(DeleteRenderbuffers) ); glBindRenderbuffer = (BindRenderbuffer) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glBindRenderbuffer"), typeof(BindRenderbuffer) ); glRenderbufferStorage = (RenderbufferStorage) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glRenderbufferStorage"), typeof(RenderbufferStorage) ); } catch { throw new NoSuitableGraphicsDeviceException("OpenGL framebuffer support is required!"); } /* EXT_framebuffer_blit (or ARB_framebuffer_object) is needed by the faux-backbuffer. */ supportsFauxBackbuffer = true; try { glBlitFramebuffer = (BlitFramebuffer) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glBlitFramebuffer"), typeof(BlitFramebuffer) ); } catch { supportsFauxBackbuffer = false; } /* ARB_instanced_arrays/ARB_draw_instanced are almost optional. */ SupportsHardwareInstancing = true; try { glVertexAttribDivisor = (VertexAttribDivisor) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glVertexAttribDivisor"), typeof(VertexAttribDivisor) ); /* The likelihood of someone having BaseVertex but not Instanced is 0...? */ if (supportsBaseVertex) { glDrawElementsInstancedBaseVertex = (DrawElementsInstancedBaseVertex) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDrawElementsInstancedBaseVertex"), typeof(DrawElementsInstancedBaseVertex) ); } else { glDrawElementsInstanced = (DrawElementsInstanced) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDrawElementsInstanced"), typeof(DrawElementsInstanced) ); glDrawElementsInstancedBaseVertex = DrawElementsInstancedNoBase; } } catch { SupportsHardwareInstancing = false; } /* EXT_draw_buffers2 is probably used by nobody. */ try { glColorMaskIndexedEXT = (ColorMaskIndexedEXT) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glColorMaskIndexedEXT"), typeof(ColorMaskIndexedEXT) ); } catch { // FIXME: SupportsIndependentWriteMasks? -flibit } /* EXT_framebuffer_multisample/ARB_texture_multisample is glitter -flibit */ supportsMultisampling = true; try { glRenderbufferStorageMultisample = (RenderbufferStorageMultisample) Marshal.GetDelegateForFunctionPointer( TryGetEPEXT("glRenderbufferStorageMultisample"), typeof(RenderbufferStorageMultisample) ); glSampleMaski = (SampleMaski) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glSampleMaski"), typeof(SampleMaski) ); } catch { supportsMultisampling = false; } if (useCoreProfile) { try { INTERNAL_glGetStringi = (GetStringi) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetStringi"), typeof(GetStringi) ); glGenVertexArrays = (GenVertexArrays) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGenVertexArrays"), typeof(GenVertexArrays) ); glDeleteVertexArrays = (DeleteVertexArrays) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDeleteVertexArrays"), typeof(DeleteVertexArrays) ); glBindVertexArray = (BindVertexArray) Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBindVertexArray"), typeof(BindVertexArray) ); } catch { throw new NoSuitableGraphicsDeviceException("OpenGL 3.2 support is required!"); } } #if DEBUG /* ARB_debug_output, for debug contexts */ IntPtr messageCallback = SDL.SDL_GL_GetProcAddress("glDebugMessageCallbackARB"); IntPtr messageControl = SDL.SDL_GL_GetProcAddress("glDebugMessageControlARB"); if (messageCallback == IntPtr.Zero || messageControl == IntPtr.Zero) { FNAPlatform.Log("ARB_debug_output not supported!"); } else { glDebugMessageCallbackARB = (DebugMessageCallback) Marshal.GetDelegateForFunctionPointer( messageCallback, typeof(DebugMessageCallback) ); glDebugMessageControlARB = (DebugMessageControl) Marshal.GetDelegateForFunctionPointer( messageControl, typeof(DebugMessageControl) ); glDebugMessageControlARB( GLenum.GL_DONT_CARE, GLenum.GL_DONT_CARE, GLenum.GL_DONT_CARE, 0, IntPtr.Zero, true ); glDebugMessageControlARB( GLenum.GL_DONT_CARE, GLenum.GL_DEBUG_TYPE_OTHER_ARB, GLenum.GL_DEBUG_SEVERITY_LOW_ARB, 0, IntPtr.Zero, false ); glDebugMessageControlARB( GLenum.GL_DONT_CARE, GLenum.GL_DEBUG_TYPE_OTHER_ARB, GLenum.GL_DEBUG_SEVERITY_NOTIFICATION_ARB, 0, IntPtr.Zero, false ); glDebugMessageCallbackARB(DebugCall, IntPtr.Zero); } /* GREMEDY_string_marker, for apitrace */ IntPtr stringMarkerCallback = SDL.SDL_GL_GetProcAddress("glStringMarkerGREMEDY"); if (stringMarkerCallback == IntPtr.Zero) { FNAPlatform.Log("GREMEDY_string_marker not supported!"); } else { glStringMarkerGREMEDY = (StringMarkerGREMEDY) Marshal.GetDelegateForFunctionPointer( stringMarkerCallback, typeof(StringMarkerGREMEDY) ); } #endif }
/* END STRING MARKER FUNCTIONS */ #endif private void LoadGLEntryPoints() { /* Basic entry points. If you don't have these, you're screwed. */ try { INTERNAL_glGetString = (GetString)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetString"), typeof(GetString) ); glGetIntegerv = (GetIntegerv)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetIntegerv"), typeof(GetIntegerv) ); glEnable = (Enable)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glEnable"), typeof(Enable) ); glDisable = (Disable)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDisable"), typeof(Disable) ); glViewport = (G_Viewport)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glViewport"), typeof(G_Viewport) ); glDepthRange = (DepthRange)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDepthRange"), typeof(DepthRange) ); glScissor = (Scissor)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glScissor"), typeof(Scissor) ); glBlendColor = (BlendColor)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBlendColor"), typeof(BlendColor) ); glBlendFuncSeparate = (BlendFuncSeparate)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBlendFuncSeparate"), typeof(BlendFuncSeparate) ); glBlendEquationSeparate = (BlendEquationSeparate)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBlendEquationSeparate"), typeof(BlendEquationSeparate) ); glColorMask = (ColorMask)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glColorMask"), typeof(ColorMask) ); glDepthMask = (DepthMask)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDepthMask"), typeof(DepthMask) ); glDepthFunc = (DepthFunc)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDepthFunc"), typeof(DepthFunc) ); glStencilMask = (StencilMask)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilMask"), typeof(StencilMask) ); glStencilFuncSeparate = (StencilFuncSeparate)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilFuncSeparate"), typeof(StencilFuncSeparate) ); glStencilOpSeparate = (StencilOpSeparate)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilOpSeparate"), typeof(StencilOpSeparate) ); glStencilFunc = (StencilFunc)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilFunc"), typeof(StencilFunc) ); glStencilOp = (StencilOp)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glStencilOp"), typeof(StencilOp) ); glCullFace = (CullFace)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glCullFace"), typeof(CullFace) ); glFrontFace = (FrontFace)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glFrontFace"), typeof(FrontFace) ); glPolygonMode = (PolygonMode)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glPolygonMode"), typeof(PolygonMode) ); glPolygonOffset = (PolygonOffset)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glPolygonOffset"), typeof(PolygonOffset) ); glGenTextures = (GenTextures)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGenTextures"), typeof(GenTextures) ); glDeleteTextures = (DeleteTextures)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDeleteTextures"), typeof(DeleteTextures) ); glBindTexture = (G_BindTexture)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBindTexture"), typeof(G_BindTexture) ); glTexImage2D = (TexImage2D)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexImage2D"), typeof(TexImage2D) ); glTexSubImage2D = (TexSubImage2D)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexSubImage2D"), typeof(TexSubImage2D) ); glCompressedTexImage2D = (CompressedTexImage2D)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glCompressedTexImage2D"), typeof(CompressedTexImage2D) ); glCompressedTexSubImage2D = (CompressedTexSubImage2D)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glCompressedTexSubImage2D"), typeof(CompressedTexSubImage2D) ); glTexImage3D = (TexImage3D)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexImage3D"), typeof(TexImage3D) ); glTexSubImage3D = (TexSubImage3D)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexSubImage3D"), typeof(TexSubImage3D) ); glGetTexImage = (GetTexImage)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetTexImage"), typeof(GetTexImage) ); glTexParameteri = (TexParameteri)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexParameteri"), typeof(TexParameteri) ); glTexParameterf = (TexParameterf)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glTexParameterf"), typeof(TexParameterf) ); glActiveTexture = (ActiveTexture)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glActiveTexture"), typeof(ActiveTexture) ); glPixelStorei = (PixelStorei)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glPixelStorei"), typeof(PixelStorei) ); glGenBuffers = (GenBuffers)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGenBuffers"), typeof(GenBuffers) ); glDeleteBuffers = (DeleteBuffers)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDeleteBuffers"), typeof(DeleteBuffers) ); glBindBuffer = (BindBuffer)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBindBuffer"), typeof(BindBuffer) ); glBufferData = (BufferData)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBufferData"), typeof(BufferData) ); glBufferSubData = (BufferSubData)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBufferSubData"), typeof(BufferSubData) ); glMapBuffer = (MapBuffer)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glMapBuffer"), typeof(MapBuffer) ); glUnmapBuffer = (UnmapBuffer)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glUnmapBuffer"), typeof(UnmapBuffer) ); glClearColor = (ClearColor)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glClearColor"), typeof(ClearColor) ); glClearDepth = (ClearDepth)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glClearDepth"), typeof(ClearDepth) ); glClearStencil = (ClearStencil)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glClearStencil"), typeof(ClearStencil) ); glClear = (G_Clear)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glClear"), typeof(G_Clear) ); glDrawBuffers = (DrawBuffers)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDrawBuffers"), typeof(DrawBuffers) ); glReadPixels = (ReadPixels)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glReadPixels"), typeof(ReadPixels) ); glDrawRangeElements = (DrawRangeElements)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDrawRangeElements"), typeof(DrawRangeElements) ); glDrawArrays = (DrawArrays)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDrawArrays"), typeof(DrawArrays) ); glGenQueries = (GenQueries)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGenQueries"), typeof(GenQueries) ); glDeleteQueries = (DeleteQueries)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDeleteQueries"), typeof(DeleteQueries) ); glBeginQuery = (BeginQuery)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glBeginQuery"), typeof(BeginQuery) ); glEndQuery = (EndQuery)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glEndQuery"), typeof(EndQuery) ); glGetQueryObjectiv = (GetQueryObjectiv)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glGetQueryObjectiv"), typeof(GetQueryObjectiv) ); } catch { throw new NoSuitableGraphicsDeviceException("OpenGL 2.1 support is required!"); } /* ARB_framebuffer_object. We're flexible, but not _that_ flexible. */ try { glGenFramebuffers = (GenFramebuffers)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glGenFramebuffers"), typeof(GenFramebuffers) ); glDeleteFramebuffers = (DeleteFramebuffers)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glDeleteFramebuffers"), typeof(DeleteFramebuffers) ); glBindFramebuffer = (G_BindFramebuffer)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glBindFramebuffer"), typeof(G_BindFramebuffer) ); glFramebufferTexture2D = (FramebufferTexture2D)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glFramebufferTexture2D"), typeof(FramebufferTexture2D) ); glFramebufferRenderbuffer = (FramebufferRenderbuffer)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glFramebufferRenderbuffer"), typeof(FramebufferRenderbuffer) ); glGenerateMipmap = (GenerateMipmap)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glGenerateMipmap"), typeof(GenerateMipmap) ); #if !DISABLE_FAUXBACKBUFFER glBlitFramebuffer = (BlitFramebuffer)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glBlitFramebuffer"), typeof(BlitFramebuffer) ); #endif glGenRenderbuffers = (GenRenderbuffers)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glGenRenderbuffers"), typeof(GenRenderbuffers) ); glDeleteRenderbuffers = (DeleteRenderbuffers)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glDeleteRenderbuffers"), typeof(DeleteRenderbuffers) ); glBindRenderbuffer = (BindRenderbuffer)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glBindRenderbuffer"), typeof(BindRenderbuffer) ); glRenderbufferStorage = (RenderbufferStorage)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glRenderbufferStorage"), typeof(RenderbufferStorage) ); } catch { throw new NoSuitableGraphicsDeviceException("OpenGL framebuffer support is required!"); } /* ARB_instanced_arrays/ARB_draw_instanced are almost optional. * While we do not directly call glVertexAttribDivisor ourselves, * we still need to check for ARB_instanced_arrays support. * -flibit */ SupportsHardwareInstancing = SDL.SDL_GL_GetProcAddress("glVertexAttribDivisor") != IntPtr.Zero; try { glDrawElementsInstanced = (DrawElementsInstanced)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glDrawElementsInstanced"), typeof(DrawElementsInstanced) ); } catch { SupportsHardwareInstancing = false; } /* EXT_draw_buffers2 is probably used by nobody. */ try { glColorMaskIndexedEXT = (ColorMaskIndexedEXT)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glColorMaskIndexedEXT"), typeof(ColorMaskIndexedEXT) ); } catch { // FIXME: SupportsIndependentWriteMasks? -flibit } /* EXT_framebuffer_multisample/ARB_texture_multisample is glitter -flibit */ supportsMultisampling = true; try { glRenderbufferStorageMultisample = (RenderbufferStorageMultisample)Marshal.GetDelegateForFunctionPointer( TryGetFramebufferEP("glRenderbufferStorageMultisample"), typeof(RenderbufferStorageMultisample) ); glSampleMaski = (SampleMaski)Marshal.GetDelegateForFunctionPointer( SDL.SDL_GL_GetProcAddress("glSampleMaski"), typeof(SampleMaski) ); } catch { supportsMultisampling = false; } #if DEBUG /* ARB_debug_output, for debug contexts */ IntPtr messageCallback = SDL.SDL_GL_GetProcAddress("glDebugMessageCallbackARB"); IntPtr messageControl = SDL.SDL_GL_GetProcAddress("glDebugMessageControlARB"); if (messageCallback == IntPtr.Zero || messageControl == IntPtr.Zero) { System.Console.WriteLine("ARB_debug_output not supported!"); } else { glDebugMessageCallbackARB = (DebugMessageCallback)Marshal.GetDelegateForFunctionPointer( messageCallback, typeof(DebugMessageCallback) ); glDebugMessageControlARB = (DebugMessageControl)Marshal.GetDelegateForFunctionPointer( messageControl, typeof(DebugMessageControl) ); glDebugMessageControlARB( GLenum.GL_DONT_CARE, GLenum.GL_DONT_CARE, GLenum.GL_DONT_CARE, 0, IntPtr.Zero, true ); glDebugMessageControlARB( GLenum.GL_DONT_CARE, GLenum.GL_DEBUG_TYPE_OTHER_ARB, GLenum.GL_DEBUG_SEVERITY_LOW_ARB, 0, IntPtr.Zero, false ); glDebugMessageControlARB( GLenum.GL_DONT_CARE, GLenum.GL_DEBUG_TYPE_OTHER_ARB, GLenum.GL_DEBUG_SEVERITY_NOTIFICATION_ARB, 0, IntPtr.Zero, false ); glDebugMessageCallbackARB(DebugCall, IntPtr.Zero); } /* GREMEDY_string_marker, for apitrace */ IntPtr stringMarkerCallback = SDL.SDL_GL_GetProcAddress("glStringMarkerGREMEDY"); if (stringMarkerCallback == IntPtr.Zero) { System.Console.WriteLine("GREMEDY_string_marker not supported!"); } else { glStringMarkerGREMEDY = (StringMarkerGREMEDY)Marshal.GetDelegateForFunctionPointer( stringMarkerCallback, typeof(StringMarkerGREMEDY) ); } #endif }