#ifndef WEBGL_H_ #define WEBGL_H_ #include #include #include #include #include #include "nan.h" #include #include #include #include enum GLObjectType { GLOBJECT_TYPE_BUFFER, GLOBJECT_TYPE_FRAMEBUFFER, GLOBJECT_TYPE_PROGRAM, GLOBJECT_TYPE_RENDERBUFFER, GLOBJECT_TYPE_SHADER, GLOBJECT_TYPE_TEXTURE, }; enum GLContextState { GLCONTEXT_STATE_INIT, GLCONTEXT_STATE_OK, GLCONTEXT_STATE_DESTROY, GLCONTEXT_STATE_ERROR }; typedef std::pair GLObjectReference; struct WebGLRenderingContext : public node::ObjectWrap { //The underlying OpenGL context static bool HAS_DISPLAY; static EGLDisplay DISPLAY; EGLContext context; EGLConfig config; EGLSurface surface; GLContextState state; //Pixel storage flags bool unpack_flip_y; bool unpack_premultiply_alpha; GLint unpack_colorspace_conversion; GLint unpack_alignment; //A list of object references, need do destroy them at program exit std::map< std::pair, bool > objects; void registerGLObj(GLObjectType type, GLuint obj) { objects[std::make_pair(obj, type)] = true; } void unregisterGLObj(GLObjectType type, GLuint obj) { objects.erase(std::make_pair(obj, type)); } //Context list WebGLRenderingContext *next, *prev; static WebGLRenderingContext* CONTEXT_LIST_HEAD; void registerContext() { if(CONTEXT_LIST_HEAD) { CONTEXT_LIST_HEAD->prev = this; } next = CONTEXT_LIST_HEAD; prev = NULL; CONTEXT_LIST_HEAD = this; } void unregisterContext() { if(next) { next->prev = this->prev; } if(prev) { prev->next = this->next; } if(CONTEXT_LIST_HEAD == this) { CONTEXT_LIST_HEAD = this->next; } next = prev = NULL; } //Constructor WebGLRenderingContext( int width, int height, bool alpha, bool depth, bool stencil, bool antialias, bool premultipliedAlpha, bool preserveDrawingBuffer, bool preferLowPowerToHighPerformance, bool failIfMajorPerformanceCaveat); virtual ~WebGLRenderingContext(); //Context validation static WebGLRenderingContext* ACTIVE; bool setActive(); //Unpacks a buffer full of pixels into memory unsigned char* unpackPixels( GLenum type, GLenum format, GLint width, GLint height, unsigned char* pixels); //Error handling GLenum lastError; void setError(GLenum error); GLenum getError(); static NAN_METHOD(SetError); static NAN_METHOD(GetError); //Preferred depth format GLenum preferredDepth; //Destructors void dispose(); static NAN_METHOD(DisposeAll); static NAN_METHOD(New); static NAN_METHOD(Destroy); static NAN_METHOD(VertexAttribDivisor); static NAN_METHOD(DrawArraysInstanced); static NAN_METHOD(DrawElementsInstanced); static NAN_METHOD(Uniform1f); static NAN_METHOD(Uniform2f); static NAN_METHOD(Uniform3f); static NAN_METHOD(Uniform4f); static NAN_METHOD(Uniform1i); static NAN_METHOD(Uniform2i); static NAN_METHOD(Uniform3i); static NAN_METHOD(Uniform4i); static NAN_METHOD(PixelStorei); static NAN_METHOD(BindAttribLocation); static NAN_METHOD(DrawArrays); static NAN_METHOD(UniformMatrix2fv); static NAN_METHOD(UniformMatrix3fv); static NAN_METHOD(UniformMatrix4fv); static NAN_METHOD(GenerateMipmap); static NAN_METHOD(GetAttribLocation); static NAN_METHOD(DepthFunc); static NAN_METHOD(Viewport); static NAN_METHOD(CreateShader); static NAN_METHOD(ShaderSource); static NAN_METHOD(CompileShader); static NAN_METHOD(GetShaderParameter); static NAN_METHOD(GetShaderInfoLog); static NAN_METHOD(CreateProgram); static NAN_METHOD(AttachShader); static NAN_METHOD(LinkProgram); static NAN_METHOD(GetProgramParameter); static NAN_METHOD(GetUniformLocation); static NAN_METHOD(ClearColor); static NAN_METHOD(ClearDepth); static NAN_METHOD(Disable); static NAN_METHOD(Enable); static NAN_METHOD(CreateTexture); static NAN_METHOD(BindTexture); static NAN_METHOD(TexImage2D); static NAN_METHOD(TexParameteri); static NAN_METHOD(TexParameterf); static NAN_METHOD(Clear); static NAN_METHOD(UseProgram); static NAN_METHOD(CreateBuffer); static NAN_METHOD(BindBuffer); static NAN_METHOD(CreateFramebuffer); static NAN_METHOD(BindFramebuffer); static NAN_METHOD(FramebufferTexture2D); static NAN_METHOD(BufferData); static NAN_METHOD(BufferSubData); static NAN_METHOD(BlendEquation); static NAN_METHOD(BlendFunc); static NAN_METHOD(EnableVertexAttribArray); static NAN_METHOD(VertexAttribPointer); static NAN_METHOD(ActiveTexture); static NAN_METHOD(DrawElements); static NAN_METHOD(Flush); static NAN_METHOD(Finish); static NAN_METHOD(VertexAttrib1f); static NAN_METHOD(VertexAttrib2f); static NAN_METHOD(VertexAttrib3f); static NAN_METHOD(VertexAttrib4f); static NAN_METHOD(BlendColor); static NAN_METHOD(BlendEquationSeparate); static NAN_METHOD(BlendFuncSeparate); static NAN_METHOD(ClearStencil); static NAN_METHOD(ColorMask); static NAN_METHOD(CopyTexImage2D); static NAN_METHOD(CopyTexSubImage2D); static NAN_METHOD(CullFace); static NAN_METHOD(DepthMask); static NAN_METHOD(DepthRange); static NAN_METHOD(Hint); static NAN_METHOD(IsEnabled); static NAN_METHOD(LineWidth); static NAN_METHOD(PolygonOffset); static NAN_METHOD(GetShaderPrecisionFormat); static NAN_METHOD(StencilFunc); static NAN_METHOD(StencilFuncSeparate); static NAN_METHOD(StencilMask); static NAN_METHOD(StencilMaskSeparate); static NAN_METHOD(StencilOp); static NAN_METHOD(StencilOpSeparate); static NAN_METHOD(Scissor); static NAN_METHOD(BindRenderbuffer); static NAN_METHOD(CreateRenderbuffer); static NAN_METHOD(FramebufferRenderbuffer); static NAN_METHOD(DeleteBuffer); static NAN_METHOD(DeleteFramebuffer); static NAN_METHOD(DeleteProgram); static NAN_METHOD(DeleteRenderbuffer); static NAN_METHOD(DeleteShader); static NAN_METHOD(DeleteTexture); static NAN_METHOD(DetachShader); static NAN_METHOD(GetVertexAttribOffset); static NAN_METHOD(DisableVertexAttribArray); static NAN_METHOD(IsBuffer); static NAN_METHOD(IsFramebuffer); static NAN_METHOD(IsProgram); static NAN_METHOD(IsRenderbuffer); static NAN_METHOD(IsShader); static NAN_METHOD(IsTexture); static NAN_METHOD(RenderbufferStorage); static NAN_METHOD(GetShaderSource); static NAN_METHOD(ValidateProgram); static NAN_METHOD(TexSubImage2D); static NAN_METHOD(ReadPixels); static NAN_METHOD(GetTexParameter); static NAN_METHOD(GetActiveAttrib); static NAN_METHOD(GetActiveUniform); static NAN_METHOD(GetAttachedShaders); static NAN_METHOD(GetParameter); static NAN_METHOD(GetBufferParameter); static NAN_METHOD(GetFramebufferAttachmentParameter); static NAN_METHOD(GetProgramInfoLog); static NAN_METHOD(GetRenderbufferParameter); static NAN_METHOD(GetVertexAttrib); static NAN_METHOD(GetSupportedExtensions); static NAN_METHOD(GetExtension); static NAN_METHOD(CheckFramebufferStatus); static NAN_METHOD(FrontFace); static NAN_METHOD(SampleCoverage); static NAN_METHOD(GetUniform); void initPointers(); #include "procs.h" }; #endif