예제 #1
0
        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)
                );
                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)
                );
                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. */
            SupportsHardwareInstancing = true;
            try
            {
                glVertexAttribDivisor = (VertexAttribDivisor) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glVertexAttribDivisor"),
                    typeof(VertexAttribDivisor)
                );
                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 (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)
            {
                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
        }
예제 #2
0
        public 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)
                );
                glGetTexLevelParameteriv = (GetTexLevelParameteriv) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glGetTexLevelParameteriv"),
                    typeof(GetTexLevelParameteriv)
                );
                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)
                );
                glEnableVertexAttribArray = (EnableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glEnableVertexAttribArray"),
                    typeof(EnableVertexAttribArray)
                );
                glDisableVertexAttribArray = (DisableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glDisableVertexAttribArray"),
                    typeof(DisableVertexAttribArray)
                );
                glVertexAttribPointer = (G_VertexAttribPointer) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glVertexAttribPointer"),
                    typeof(G_VertexAttribPointer)
                );
                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)
                );
                glCreateShader = (CreateShader) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glCreateShader"),
                    typeof(CreateShader)
                );
                glDeleteShader = (DeleteShader) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glDeleteShader"),
                    typeof(DeleteShader)
                );
                glShaderSource = (ShaderSource) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glShaderSource"),
                    typeof(ShaderSource)
                );
                glCompileShader = (CompileShader) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glCompileShader"),
                    typeof(CompileShader)
                );
                glCreateProgram = (CreateProgram) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glCreateProgram"),
                    typeof(CreateProgram)
                );
                glDeleteProgram = (DeleteProgram) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glDeleteProgram"),
                    typeof(DeleteProgram)
                );
                glAttachShader = (AttachShader) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glAttachShader"),
                    typeof(AttachShader)
                );
                glDetachShader = (DetachShader) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glDetachShader"),
                    typeof(DetachShader)
                );
                glLinkProgram = (LinkProgram) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glLinkProgram"),
                    typeof(LinkProgram)
                );
                glUseProgram = (UseProgram) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glUseProgram"),
                    typeof(UseProgram)
                );
                glUniform1i = (Uniform1i) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glUniform1i"),
                    typeof(Uniform1i)
                );
                glUniform4fv = (Uniform4fv) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glUniform4fv"),
                    typeof(Uniform4fv)
                );
                glGetShaderiv = (GetShaderiv) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glGetShaderiv"),
                    typeof(GetShaderiv)
                );
                glGetProgramiv = (GetProgramiv) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glGetProgramiv"),
                    typeof(GetProgramiv)
                );
                glGetUniformLocation = (GetUniformLocation) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glGetUniformLocation"),
                    typeof(GetUniformLocation)
                );
                glGetAttribLocation = (GetAttribLocation) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glGetAttribLocation"),
                    typeof(GetAttribLocation)
                );
                glBindAttribLocation = (BindAttribLocation) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glBindAttribLocation"),
                    typeof(BindAttribLocation)
                );
                glIsShader = (IsShader) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glIsShader"),
                    typeof(IsShader)
                );
                glIsProgram = (IsProgram) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glIsProgram"),
                    typeof(IsProgram)
                );
                glGetShaderInfoLog = (GetShaderInfoLog) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glGetShaderInfoLog"),
                    typeof(GetShaderInfoLog)
                );
                glGetProgramInfoLog = (GetProgramInfoLog) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glGetProgramInfoLog"),
                    typeof(GetProgramInfoLog)
                );
                glFlush = (Flush) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glFlush"),
                    typeof(Flush)
                );
            }
            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)
                );
            #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. */
            SupportsHardwareInstancing = true;
            try
            {
                glVertexAttribDivisor = (VertexAttribDivisor) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glVertexAttribDivisor"),
                    typeof(VertexAttribDivisor)
                );
                glDrawElementsInstanced = (DrawElementsInstanced) Marshal.GetDelegateForFunctionPointer(
                    SDL.SDL_GL_GetProcAddress("glDrawElementsInstanced"),
                    typeof(DrawElementsInstanced)
                );
            }
            catch
            {
                SupportsHardwareInstancing = 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)
                );
                glDebugMessageCallbackARB(DebugCall, IntPtr.Zero);
                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
                );
            }

            /* 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
        }
예제 #3
0
        /* 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
        }
예제 #4
0
파일: OpenGLExt.cs 프로젝트: r-bel/glorg2
 public static void InitGL_1_5(OpenGLContext ctx)
 {
     glDeleteQueries = ctx.GetProc<DeleteQueries>("glDeleteQueries");
     glIsQuery = ctx.GetProc<IsQuery>("glIsQuery");
     glBeginQuery = ctx.GetProc<BeginQuery>("glBeginQuery");
     glEndQuery = ctx.GetProc<EndQuery>("glEndQuery");
     glGetQueryiv = ctx.GetProc<GetQueryiv>("glGetQueryiv");
     glGetQueryObjectiv = ctx.GetProc<GetQueryObjectiv>("glGetQueryObjectiv");
     glGetQueryObjectuiv = ctx.GetProc<GetQueryObjectuiv>("glGetQueryObjectuiv");
     glBindBuffer = ctx.GetProc<BindBuffer>("glBindBuffer");
     glDeleteBuffers = ctx.GetProc<DeleteBuffers>("glDeleteBuffers");
     glGenBuffers = ctx.GetProc<GenBuffers>("glGenBuffers");
     glIsBuffer = ctx.GetProc<IsBuffer>("glIsBuffer");
     glBufferData = ctx.GetProc<BufferData>("glBufferData");
     glBufferSubData = ctx.GetProc<BufferSubData>("glBufferSubData");
     glGetBufferSubData = ctx.GetProc<GetBufferSubData>("glGetBufferSubData");
     glMapBuffer = ctx.GetProc<MapBuffer>("glMapBuffer");
     glUnmapBuffer = ctx.GetProc<UnmapBuffer>("glUnmapBuffer");
     glGetBufferParameteriv = ctx.GetProc<GetBufferParameteriv>("glGetBufferParameteriv");
     glGetBufferPointerv = ctx.GetProc<GetBufferPointerv>("glGetBufferPointerv");
 }