// DO NOT PUT ANY INCLUDE HERE. #ifndef GAMEAPI_LOW_H #define GAMEAPI_LOW_H typedef unsigned int Low_GLuint; typedef void Low_GLvoid; typedef unsigned int Low_GLenum; typedef float Low_GLfloat; typedef int Low_GLsizei; typedef int Low_GLint; // old typedef signed char Low_GLbyte; typedef short Low_GLshort; enum { Low_GL_ARRAY_BUFFER=555, // glBindBuffer 1st arg, glBufferData 1st arg, glBufferSubData 1st arg Low_GL_FLOAT, // glVertexAttribPointer 3rd arg Low_GL_INT, // glVertexAttribIPointer 3rd arg Low_GL_FALSE, // glVertexAttribPointer 4th arg Low_GL_TRIANGLES, // glDrawArrays / glDrawArraysInstanced 1st arg Low_GL_TRIANGLE_STRIP, // glDrawArrays 1st arg Low_GL_UNSIGNED_BYTE, // glVertexAttribPointer 3rd arg, glReadPixels 6tth param Low_GL_QUADS, // glDrawArrays Low_GL_DEPTH_TEST, // glEnable / glDisable Low_GL_STATIC_DRAW, // glBufferData 4th param Low_GL_DYNAMIC_DRAW, // glBufferData 4th param Low_GL_TEXTURE0, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE1, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE2, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE3, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE4, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE5, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE6, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE7, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE8, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE9, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE10, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE11, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE12, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE13, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE14, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE15, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE16, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE17, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE18, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE19, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE20, // glClientActiveTexture 1st param (+n) Low_GL_TEXTURE_2D, // glBindTexture, glTexImage2D Low_GL_TEXTURE_2D_ARRAY, Low_GL_TEXTURE_CUBE_MAP, Low_GL_LINEAR, // glTexParameteri 3th param Low_GL_TEXTURE_MIN_FILTER, // glTexParameteri 2nd param Low_GL_TEXTURE_MAG_FILTER, // glTexParameteri 2nd param Low_GL_TEXTURE_WRAP_S, // glTexParameteri 2nd param Low_GL_CLAMP_TO_EDGE, // glTexParameteri 3rd param Low_GL_TEXTURE_WRAP_T, // glTexParamteri 2nd param Low_GL_PERSPECTIVE_CORRECTION_HINT, // glHint 1st param Low_GL_NICEST, // hlHint 2nd param Low_GL_RED, // glTexImage2D 3rd param Low_GL_RENDERBUFFER, // glBindRenderBuffer, glRenderbufferStorage, glFramebufferRenderbuffer Low_GL_FRAMEBUFFER, // ..., glCheckFramebufferStatus Low_GL_TRUE, // glDepthMask Low_GL_TEXTURE_BINDING_2D, // glGetIntegerv Low_GL_RGBA, // glGetTexImage 3rd param, glReadPixels 5th param Low_GL_SCISSOR_TEST, // glEnable/glDisable Low_GL_FRAMEBUFFER_COMPLETE, // glCheckFramebufferStatus return value Low_GL_NEAREST, // glTexParameteri 3rd param Low_GL_DEPTH_COMPONENT16, // glRenderbufferStorage 2nd param Low_GL_DEPTH_ATTACHMENT, // glFramebufferRenderbuffer 2nd param Low_GL_COLOR_ATTACHMENT0, // glFramebufferTexture2D 2nd param Low_GL_VIEWPORT, // glGetIntegerv Low_GL_SRC_ALPHA, // glBlendFunc 1st param Low_GL_ONE_MINUS_SRC_ALPHA, // glBlendFunc 2nd param Low_GL_ZERO, Low_GL_ONE, Low_GL_SRC_COLOR, Low_GL_ONE_MINUS_SRC_COLOR, Low_GL_DST_COLOR, Low_GL_ONE_MINUS_DST_COLOR, //GL_ONE_MINUS_SRC_ALPHA, Low_GL_DST_ALPHA, Low_GL_ONE_MINUS_DST_ALPHA, Low_GL_CONSTANT_COLOR, Low_GL_ONE_MINUS_CONSTANT_COLOR, Low_GL_CONSTANT_ALPHA, // glBlendFunc 1st AND 2ND ARG Low_GL_LIGHTING, // glDisable/glEnable Low_GL_MODELVIEW, // glMatrixMode Low_GL_TEXTURE_ENV, // glTexEnvi Low_GL_BLEND, // glEnable Low_GL_ALWAYS, // glStencilFunc Low_GL_KEEP, // glStencilOp 1,2 Low_GL_REPLACE, // glStencilOp Low_GL_NOTEQUAL, // glStencilFunc Low_GL_FRONT_AND_BACK, // glPolygonMode 1st param Low_GL_LINE, // glPolygonMode 2nd param Low_GL_FILL, // glPolygonMode 2nd param Low_GL_STENCIL_TEST, // glDisable 1st Low_GL_LEQUAL, // glDepthFunc Low_GL_EQUAL, //GL_ALWAYS, Low_GL_LESS, Low_GL_GREATER, Low_GL_GEQUAL, Low_GL_TEXTURE_ENV_MOVE, Low_GL_LINE_SMOOTH, Low_GL_LINES, Low_GL_POINTS, Low_GL_TEXTURE_ENV_MODE, Low_GL_TEXTURE_WIDTH, Low_GL_TEXTURE_HEIGHT, Low_GL_TEXTURE_CUBE_MAP_POSITIVE_X, Low_GL_TEXTURE_CUBE_MAP_NEGATIVE_X, Low_GL_TEXTURE_CUBE_MAP_POSITIVE_Y, Low_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, Low_GL_TEXTURE_CUBE_MAP_POSITIVE_Z, Low_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, Low_GL_TEXTURE_WRAP_R, Low_GL_REPEAT, Low_GL_RGBA8, Low_GL_MULTISAMPLE, Low_GL_GEOMETRY_SHADER, // todo Low_GL_VERTEX_SHADER, Low_GL_FRAGMENT_SHADER, Low_GL_COMPILE_STATUS, Low_GL_LINES_ADJACENCY_EXT, Low_GL_TRIANGLES_ADJACENCY_EXT, Low_GL_LINE_STRIP, Low_GL_GEOMETRY_INPUT_TYPE_EXT, Low_GL_GEOMETRY_VERTICES_OUT_EXT, Low_GL_NO_ERROR, Low_GL_GEOMETRY_OUTPUT_TYPE_EXT, Low_GL_LINEAR_MIPMAP_LINEAR, // glTexParameteri 3th param Low_GL_DEPTH_COMPONENT, Low_GL_UNSIGNED_INT, Low_GL_ALPHA_TEST, Low_GL_FRONT, Low_GL_BACK, Low_GL_PIXEL_PACK_BUFFER, Low_GL_PIXEL_UNPACK_BUFFER, Low_GL_STREAM_DRAW, Low_GL_WRITE_ONLY, Low_GL_READ_ONLY, Low_GL_DEPTH_COMPONENT32F, // // OLD STUFF // Low_GL_VERTEX_ARRAY, Low_GL_NORMAL_ARRAY, Low_GL_COLOR_ARRAY, Low_GL_TEXTURE_COORD_ARRAY, Low_GL_POLYGON, Low_GL_SHORT, Low_GL_COMPILE, Low_GL_CULL_FACE, Low_GL_VENDOR, Low_GL_RENDERER, Low_GL_VERSION, Low_GL_CW, Low_GL_CCW, Low_GL_LINK_STATUS }; enum { Low_GL_COLOR_BUFFER_BIT=1, // glClear Low_GL_DEPTH_BUFFER_BIT=2, // glClear Low_GL_STENCIL_BUFFER_BIT=4, // glClear }; #undef glActiveTexture #undef glClientActiveTexture #undef glTexStorage3d #undef glTexSubImage3d #undef glGenBuffers #undef glDeleteBuffers #undef glBindBuffer #undef glBufferData #undef glBufferSubData #undef glVertexAttribPointer #undef glVertexAttribIPointer #undef glVertexAttribDivisor #undef glGenVertexArrays #undef glDeleteVertexArrays #undef glBindVertexArray #undef glEnableVertexAttribArray #undef glDisableVertexAttribArray #undef glTexStorate3d #undef glTexSubImage3d #undef glDrawArraysInstanced #undef glGenFramebuffers #undef glBindFramebuffer #undef glBindRenderbuffer #undef glFramebufferRenderbuffer #undef glCreateShader #undef glShaderSource #undef glCompileShader #undef glGetShaderInfoLog #undef glGetShaderiv #undef glDeleteShader #undef glCreaeProgram #undef glDeleteProgram #undef glAttachhader #undef glDetachShader #undef glLinkProgram #undef glUseProgram #undef glGetProgramInfoLog #undef glGetProgramiv #undef glBindFragDataLocation #undef glProgramParameteriEXT #undef glGetUniformLocation #undef glUniform1f #undef glUniform2f #undef glUniform3f #undef glUniform4f #undef glRenderbufferStorage #undef glShaderSource #undef glGetShaderInfoLog #undef glCreateProgram #undef glAttachShader #undef glGetProgramInfoLog #undef glUniform1iv #undef glUniform1fv #undef glUniformMatrix4fv #undef glUniform3fv #undef glTexStorage3D #undef glTexSubImage3D #undef glGetAttribLocation #undef glDepthFunc #undef glAlphaFunc #undef glDrawArrays #undef glTexImage2D #undef glTexSubImage2D #undef glMapBuffer #undef glUnmapBuffer #undef Mix_PlayChannel #undef Mix_HaltChannel #undef Mix_GetError #undef emscripten_set_touchend_callback #undef emscripten_set_click_callback #undef glGenerateMipmap #undef glFrontFace class OpenglLowApi { public: virtual void init()=0; virtual void cleanup()=0; virtual int glGetError()=0; virtual void glColor4ub(int r, int g, int b, int a)=0; virtual void glColor4f(float r, float g, float b, float a)=0; virtual void glClearColor(float r, float g, float b, float a)=0; virtual void glClear(int bits)=0; virtual void glDepthMask(int a)=0; virtual void glDepthFunc(int i)=0; virtual void glAlphaFunc(int i, float val)=0; virtual void glStencilMask(int a)=0; virtual void glStencilOp(int keep, int keep2, int repl)=0; virtual void glStencilFunc(int notequal, int, int)=0; virtual void glPolygonMode(int front_and_back, int gl_line)=0; virtual void glClearStencil(int val)=0; virtual void glTexEnvi(int a, int mode, int rep)=0; // attribs virtual void glEnable(int val)=0; virtual void glDisable(int val)=0; virtual void glGetFloatv(int val, float *params)=0; // viewports virtual void glViewport(int x, int y, unsigned int w, unsigned int h)=0; // textures virtual void glGenTextures(int val, unsigned int *tex)=0; virtual void glDeleteTextures(int val, const unsigned int *tex)=0; virtual void glBindTexture(int ID, int tex)=0; virtual void glTexImage2D(int ID, int, int,unsigned int,unsigned int, int, int, int, void *ptr)=0; virtual void glTexSubImage2D(int ID, int,int,int,unsigned int, unsigned int, int,int, void *ptr)=0; virtual void glCopyTexImage2D(int ID, int,int,int,int, int,int, int ptr)=0; virtual void glTexParameteri(int ID, int,int)=0; virtual void glHint(int hint, int value)=0; virtual void glActiveTexture(int a)=0; virtual void glClientActiveTexture(int a)=0; virtual void glTexStorage3D(int arr, int, int flag, int w, int h, int layer_count)=0; virtual void glTexSubImage3D(int arr, int,int,int,int,int,int, int, int rgba, int unsig_byte, void *buffer)=0; virtual void glGetTexLevelParameteriv(int a, int, int w, int *ptr)=0; virtual void glGetTexImage(int a, int, int rgba, int unsign_byte, void *ptr)=0; virtual void glReadBuffer(int a)=0; virtual void glDrawBuffers(int n, const unsigned int *bufs)=0; // blend virtual void glBlendFunc(int val, int val2)=0; // scissor virtual void glScissor(float x, float y, float w, float h)=0; // fbo //virtual void glGenRenderbuffers(int i, unsigned int *ptr)=0; virtual void glFramebufferTexture2D(int i, int atth, int tex2d, int tex, int ptr)=0; // vertex arrays virtual void glGenBuffers(int i, unsigned int *buffers)=0; virtual void glDeleteBuffers(int count, const unsigned int *buffers)=0; virtual void glBindBuffer(int a, unsigned int data)=0; virtual void glBufferData(int a, int size, const void *ptr, int static_draw)=0; virtual void glBufferSubData(int a, int, int, const void*)=0; virtual void glVertexAttribPointer(int, int, int gl_float, int boolean, unsigned int, const void *ptr)=0; virtual void glVertexAttribIPointer(int, int, int gl_float, int boolean, const void *ptr)=0; virtual void glVertexAttribDivisor(int, int)=0; virtual void glGenVertexArrays(int i, unsigned int *arr)=0; virtual void glDeleteVertexArrays(int count, unsigned int *vao)=0; virtual void glBindVertexArray(int vao)=0; virtual void glEnableVertexAttribArray(int a)=0; virtual void glDisableVertexAttribArray(int a)=0; virtual void glDrawArraysInstanced(int tri, int, unsigned int, unsigned int)=0; virtual void glDrawArrays(int tri, int, unsigned int)=0; // bitmaps virtual void glReadPixels(int x, int y, int w, int h, int rgba, int mode, void *ptr)=0; // fbo virtual void glGenFramebuffers(int i, unsigned int *fbo_id)=0; virtual void glGenRenderbuffers(int i, unsigned int *rbo_id)=0; virtual void glDeleteRenderBuffers(int i, unsigned int *rbo)=0; virtual void glDeleteFrameBuffers(int i, unsigned int *fbo)=0; virtual void glBindFramebuffer(int a, int fbo_id)=0; virtual void glBindRenderbuffer(int a, int fbo_id)=0; virtual void glRenderbufferStorage(int a, int d, int sx, int sy)=0; virtual void glFramebufferRenderbuffer(int a, int d, int r, unsigned int tex)=0; // shaders virtual unsigned int glCreateShader(int shader)=0; virtual void glShaderSource(int h, int c, const char **strings, int *lengths)=0; virtual void glCompileShader(int h)=0; virtual void glGetShaderInfoLog(unsigned int h, int val, int *length, char *buf)=0; virtual void glGetShaderiv(int handle, int gl_compile_status, int *ptr)=0; virtual void glDeleteShader(int h)=0; // programs virtual int glCreateProgram()=0; virtual void glDeleteProgram(int p)=0; virtual void glAttachShader(int p, int h)=0; virtual void glDetachShader(int p, int h)=0; virtual void glLinkProgram(int p)=0; virtual void glUseProgram(int p)=0; virtual void glGetProgramInfoLog(unsigned int p, int num, int *len, char *buf)=0; //virtual void glGetProgramiv(unsigned int p, int pname, int *params)=0; virtual void glBindFragDataLocation(int p, int num, const char *data)=0; virtual void glBindAttribLocation(int p, int num, const char *data)=0; virtual void glProgramParameteriEXT(int p, int geom, int inputtype)=0; // uniforms virtual int glGetUniformLocation(int p, const char *data)=0; virtual int glGetAttribLocation(int p, const char *data)=0; virtual void glUniform1f(int loc, float val)=0; virtual void glUniform1i(int loc, int val)=0; virtual void glUniform2f(int loc, float val, float val2)=0; virtual void glUniform3f(int loc, float val, float val2, float val3)=0; virtual void glUniform4f(int loc, float val, float val2, float val3, float val4)=0; virtual void glUniform1iv(int loc, int count, int *array)=0; virtual void glUniform1fv(int loc, int count, float *array)=0; virtual void glUniformMatrix4fv(int loc, unsigned int count, int boolean, const float *matrix)=0; virtual void glUniform3fv(int loc, int count, float *arr)=0; virtual void glGetUniformfv(int p, int loc, float *arr)=0; virtual void glGetIntegerv(int p, int *ptr)=0; virtual int glCheckFramebufferStatus(int id)=0; virtual void glFinish()=0; virtual const unsigned char *glGetString( int name )=0; virtual void glGenerateMipmap(int p)=0; virtual void glCullFace(int mode)=0; virtual void glFrontFace(int mode)=0; virtual void* glMapBuffer(int a, int b)=0; virtual void glUnmapBuffer(int a)=0; // Old virtual void glEnableClientState(int a)=0; virtual void glLineWidth(float i)=0; virtual void glPushMatrix()=0; virtual void glPopMatrix()=0; virtual void glMultMatrixf(float *mat)=0; virtual void glMatrixLoadIdentityEXT(int i)=0; virtual void glMatrixMode(int i)=0; virtual void glLoadIdentity()=0; virtual void glTranslatef(float, float, float)=0; virtual void glDisableClientState(int) { } virtual void glTexCoordPointer(int,int,int, void*) { } virtual void glColorPointer(int,int,int,void*) { } virtual void glVertexPointer(int,int,int,void*) { } virtual void glNormalPointer(int,int,void*) { } virtual void glRotatef(float,float,float,float) {} //virtual void glEnableClientState(int) { } //virtual void glDisableClientState(int) { } virtual void glColor3f(float,float,float) { } virtual void glCallList(int) { } virtual void glEndList() { } virtual void glEnd() { } virtual void glVertex3f(float,float,float) { } virtual void glNormal3f(float,float,float) { } virtual void glTexCoord2f(float,float) { } virtual void glVertexAttrib1s(int loc, short s) {} virtual void glVertexAttrib1f(int loc, float s) {} virtual void glBegin(int) { } virtual void glNewList(int i, int k) { } virtual int glGenLists(int) { return 0; } virtual void glDeleteLists(int,int) {} }; class FontLowApi { virtual void init()=0; virtual void cleanup()=0; }; class OpenVRLowApi { virtual void init()=0; virtual void cleanup()=0; }; class EmscriptenLowApi { public: virtual void init()=0; virtual void cleanup()=0; virtual void emscripten_set_main_loop_arg(void (*)(void*), void*, int, int)=0; virtual void emscripten_async_wget_data(void *buf2, void *data, void (*cb_sucess)(void*), void (*cb_fail)(void*))=0; virtual bool emscripten_has_threading_support()=0; virtual void emscripten_async_call(void (*)(void*), void *data, int val)=0; virtual void emscripten_set_click_callback(char *c, int a, bool true_, void (*)())=0; virtual void emscripten_set_touchend_callback(char *c, int a, bool true_, void (*)())=0; virtual void emscripten_webgl_init_context_attributes(void* attr)=0; virtual void *emscripten_webgl_create_context(int i, void *attr)=0; virtual void emscripten_webgl_make_context_current(void *ctx)=0; }; class EmscriptenVRLowApi { virtual void init()=0; virtual void cleanup()=0; virtual void emscripten_vr_init(void (*)(void*), void*)=0; virtual void emscripten_vr_submit_frame(int disp)=0; virtual void emscripten_vr_get_frame_data(int disp, void *data)=0; virtual bool emscripten_vr_display_presenting(int disp)=0; virtual void emscripten_vr_set_display_render_loop_arg(int disp, void (*)(void*), void* data)=0; virtual void emscripten_vr_exit_present(int disp)=0; virtual void emscripten_vr_cancel_display_render_loop(int disp)=0; virtual void emscripten_vr_request_present(int disp, void *init, int, void (*cb)(void*), void *data)=0; virtual bool emscripten_vr_ready()=0; virtual int emscripten_vr_count_displays()=0; virtual int emscripten_vr_get_display_handle(int i)=0; virtual char *emscripten_vr_get_display_name( int d ) =0; virtual int emscripten_vr_get_display_capabilities( int d, void *caps )=0; virtual int emscripten_vr_display_connected( int d) =0; virtual void emscripten_vr_get_eye_parameters(int d, int left, void *ptr)=0; }; class FileSystemLowApi { virtual void init()=0; virtual void cleanup()=0; virtual void popen(char *name, char *flags); }; class ImageLoadLowApi { virtual void init()=0; virtual void cleanup()=0; }; enum { Low_SDL_NONE = 0x5500, Low_SDL_WINDOWPOS_CENTERED, Low_SDL_WINDOW_SHOWN, Low_SDL_WINDOW_OPENGL_SHOWN_RESIZEABLE, Low_SDL_WINDOW_OPENGL_SHOWN, Low_SDL_GL_CONTEXT_PROFILE_MASK, Low_SDL_GL_CONTEXT_PROFILE_CORE, Low_SDL_GL_CONTEXT_MINOR_VERSION, Low_SDL_GL_CONTEXT_MAJOR_VERSION, Low_SDL_GL_STENCIL_SIZE, Low_SDL_GL_DOUBLEBUFFER, Low_SDL_GL_DEPTH_SIZE, Low_SDL_GL_ALPHA_SIZE, Low_SDL_GL_BLUE_SIZE, Low_SDL_GL_GREEN_SIZE, Low_SDL_GL_RED_SIZE, Low_SDL_INIT_VIDEO_NOPARACHUTE_JOYSTICK, Low_SDL_GL_MULTISAMPLEBUFFERS, Low_SDL_ENABLE, Low_SDL_GL_CONTEXT_PROFILE_ES, Low_SDL_WINDOWPOS_CENTERED_DISPLAY, Low_SDL_GL_SHARE_WITH_CURRENT_CONTEXT, Low_SDL_GL_MULTISAMPLESAMPLES, Low_SDL_GL_CONTEXT_FLAGS, Low_SDL_GL_CONTEXT_DEBUG_FLAG, Low_SAMPLE_FREQ, Low_AUDIO_F32LSB, Low_SAMPLE_BUF_SIZE }; #define Low_SDL_FINGERDOWN 0x700 #define Low_SDL_FINGERUP 0x701 #define Low_SDL_FINGERMOTION 0x702 #define Low_SDL_MOUSEWHEEL 0x403 #define Low_SDL_DROPFILE 0x1000 #define Low_SDL_WINDOWEVENT 0x200 #define Low_SDL_JOYAXISMOTION 0x600 #define Low_SDL_JOYBALLMOTION 0x601 #define Low_SDL_JOYBUTTONDOWN 0x603 #define Low_SDL_JOYBUTTONUP 0x604 #define Low_SDL_MOUSEBUTTONDOWN 0x401 #define Low_SDL_MOUSEBUTTONUP 0x402 #define Low_SDL_KEYUP 0x301 #define Low_SDL_KEYDOWN 0x300 #define Low_SDL_WINDOWEVENT_EXPOSED 3 #define Low_SDL_BUTTON(x) (1 << ((x)-1)) #define Low_KMOD_CTRL (0x40|0x80) struct wl_display; struct wl_surface; struct wl_shell_surface; struct Low_SDL_SysWMinfo { wl_display *display=0; wl_surface *surface=0; wl_shell_surface *shell_surface=0; }; struct Low_SDL_DisplayMode { int w=0,h=0; }; struct Low_SDL_Event_KeySym { int sym=-1; }; struct Low_SDL_Event_Key { Low_SDL_Event_KeySym keysym; }; struct Low_SDL_MouseWheelEvent { int y=0; }; struct Low_SDL_MouseButtonEvent { int button=-1; }; struct Low_SDL_DropEvent { const char *file=0; }; struct Low_SDL_TouchFingerEvent { float x = 0.0f; float y = 0.0f; }; struct Low_SDL_WindowEvent { int event=-1; int data1=-1, data2=-1; }; struct Low_SDL_JoyBall { int ball=-1; int xrel=-1; int yrel=-1; }; struct Low_SDL_JoyAxis { int value=-1; int axis=-1; }; struct Low_SDL_JoyButton { int button=-1; }; struct Low_SDL_Event { int type=-1; Low_SDL_Event_Key key; Low_SDL_MouseWheelEvent wheel; Low_SDL_TouchFingerEvent tfinger; Low_SDL_DropEvent drop; Low_SDL_WindowEvent window; Low_SDL_JoyBall jball; Low_SDL_JoyAxis jaxis; Low_SDL_JoyButton jbutton; Low_SDL_MouseButtonEvent button; }; struct Low_SDL_Surface { void *ptr; int w; int h; void* pixels; int pitch; }; struct Low_SDL_Window { void *ptr; }; typedef void* Low_SDL_GLContext; typedef unsigned int Low_SDL_Keymod; struct Low_SDL_Joystick { void *data=0; }; //typedef void* Low_SDL_RWops; struct Low_SDL_RWops { void *ptr=0; }; typedef void (*Low_SDL_AudioCallback)(void*, unsigned char*, int); struct Low_SDL_AudioSpec { int freq=0; int format=0; unsigned char channels=0; unsigned char silence=0; unsigned short samples=0; unsigned int size=0; Low_SDL_AudioCallback callback; void *userdata=0; }; class SDLLowApi { public: virtual ~SDLLowApi(); virtual void init()=0; virtual void cleanup()=0; virtual void SDL_Init(int flags)=0; virtual void SDL_GetCurrentDisplayMode(int index, Low_SDL_DisplayMode *mode)=0; virtual bool SDL_GetWindowWMInfo(Low_SDL_Window *window, Low_SDL_SysWMinfo *info)=0; virtual void SDL_GL_SetAttribute(int flag, int val)=0; virtual void SDL_SetHint(const char *flag, const char *str)=0; virtual void* SDL_GL_GetProcAddress(char *name)=0; virtual void SDL_Quit()=0; virtual void SDL_ConvertSurface(Low_SDL_Surface *surf, void *format, int val)=0; virtual void SDL_FreeSurface(Low_SDL_Surface *surf)=0; virtual void SDL_LockSurface(Low_SDL_Surface *surf)=0; virtual void SDL_UnlockSurface(Low_SDL_Surface *surf)=0; virtual void SDL_ShowCursor(bool b)=0; virtual int SDL_PollEvent(Low_SDL_Event *event)=0; virtual unsigned int SDL_GetTicks()=0; virtual unsigned long long SDL_GetPerformanceCounter()=0; virtual unsigned long long SDL_GetPerformanceFrequency()=0; virtual void SDL_Delay(int ms)=0; virtual Low_SDL_Surface* SDL_GetWindowSurface(Low_SDL_Window *win)=0; virtual Low_SDL_Window* SDL_CreateWindow(const char *title, int x, int y, int width, int height, unsigned int flags2)=0; virtual Low_SDL_GLContext SDL_GL_CreateContext(Low_SDL_Window *window)=0; virtual int SDL_GL_MakeCurrent(Low_SDL_Window *window, Low_SDL_GLContext context)=0; //virtual void SDL_GL_SwapBuffers()=0; virtual void SDL_GL_SwapWindow(Low_SDL_Window *window)=0; virtual void SDL_UpdateWindowSurface(Low_SDL_Window *window)=0; virtual void SDL_DestroyWindow(Low_SDL_Window *window)=0; virtual void SDL_SetWindowTitle(Low_SDL_Window *window, const char *title)=0; virtual unsigned int SDL_GetMouseState(int *x, int *y)=0; virtual unsigned int SDL_GetModState()=0; virtual int SDL_NumJoysticks()=0; virtual Low_SDL_Joystick* SDL_JoystickOpen(int i)=0; virtual void SDL_JoystickEventState(int i)=0; virtual unsigned int SDL_JoystickGetButton(Low_SDL_Joystick *joy, int i)=0; virtual Low_SDL_RWops* SDL_RWFromFile(const char *file, const char *mode)=0; virtual Low_SDL_RWops* SDL_RWFromMem(void *buffer, int size)=0; virtual void SDL_GL_DeleteContext(Low_SDL_GLContext ctx)=0; virtual const char *SDL_GetError()=0; virtual void SDL_SetWindowSize(Low_SDL_Window *window, int w, int h)=0; virtual void SDL_SetWindowPosition(Low_SDL_Window *window, int x, int y)=0; virtual void SDL_GetWindowPosition(Low_SDL_Window *window, int *x, int *y)=0; virtual char *SDL_GetClipboardText()=0; virtual int SDL_SetClipboardText(const char *text)=0; virtual int SDL_OpenAudio(Low_SDL_AudioSpec *desired, Low_SDL_AudioSpec *obtained)=0; virtual void SDL_PauseAudio(int pause_on)=0; }; struct Low_Mix_Chunk { void *ptr=0; }; struct Low_Mix_Music { void *ptr=0; }; enum { Low_MIX_NONE=0x5600, Low_MIX_INIT_MP3, Low_MIX_INIT_OGG, Low_MIX_DEFAULT_FORMAT, Low_AUDIO_U8 }; class SDLMixerLowApi { public: virtual void init()=0; virtual void cleanup()=0; virtual Low_Mix_Chunk* Mix_LoadWAV_RW(Low_SDL_RWops *buf, int s)=0; virtual int Mix_OpenAudio(int rate, int flags, int val, int hup)=0; virtual int Mix_PlayChannel(int channel, Low_Mix_Chunk *mix_chunk, int val)=0; virtual Low_Mix_Chunk *Mix_QuickLoad_RAW(unsigned char *mem, int len)=0; virtual void Mix_Init(int flags)=0; virtual Low_Mix_Music *Mix_LoadMUS(const char *filename)=0; virtual void Mix_PlayMusic(Low_Mix_Music *mus, int val)=0; virtual int Mix_GetNumMusicDecoders()=0; virtual void Mix_GetMusicDecoder(int i)=0; virtual void Mix_AllocateChannels(int i)=0; virtual void Mix_HaltChannel(int channel)=0; }; class SDLImageLowApi { virtual void init()=0; virtual void cleanup()=0; }; struct LowApi { LowApi() : ogl(0), fnt(0), ems(0), fs(0), img(0), sdl(0), sdl_image(0), ovr(0), ems_vr(0) { } OpenglLowApi *ogl; FontLowApi *fnt; EmscriptenLowApi *ems; FileSystemLowApi *fs; ImageLoadLowApi *img; SDLLowApi *sdl; SDLImageLowApi *sdl_image; SDLMixerLowApi *sdl_mixer; OpenVRLowApi *ovr; EmscriptenVRLowApi *ems_vr; }; extern LowApi *g_low; enum { EStandard, EWeb }; void initialize_low(int flags); #endif