// StgShqrpGraphic.cpp : 定义 DLL 的导出函数。
//

#include "framework.h"
#include "glad/gl.h"
#include <stdio.h>
#include "StgSharpGraphic.h"

extern char* infolog[512] = { 0 };
GladGLContext* currentContext;
glfwContext* glfw;

void printShaderCode(char* const* code)
{
    printf(*code);
}



SSGC_API glfwContext* _cdecl initGL(int majorVersion, int minorVersion, glfwContext* ptr)
{
    glfwInit();
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, majorVersion);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, minorVersion);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

#ifdef  __APPLE__
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#endif 

    glfw = ptr;

#pragma region loadapi

    glfw->Init = glfwInit;
    glfw->Terminate = glfwTerminate;
    glfw->InitHint = glfwInitHint;
    glfw->GetVersion = glfwGetVersion;
    glfw->GetVersionString = glfwGetVersionString;
    glfw->GetError = glfwGetError;
    glfw->SetErrorCallback = glfwSetErrorCallback;
    glfw->GetMonitors = glfwGetMonitors;
    glfw->GetPrimaryMonitor = glfwGetPrimaryMonitor;
    glfw->GetMonitorPos = glfwGetMonitorPos;
    glfw->GetMonitorWorkarea = glfwGetMonitorWorkarea;
    glfw->GetMonitorPhysicalSize = glfwGetMonitorPhysicalSize;
    glfw->GetMonitorContentScale = glfwGetMonitorContentScale;
    glfw->GetMonitorName = glfwGetMonitorName;
    glfw->SetMonitorUserPointer = glfwSetMonitorUserPointer;
    glfw->GetMonitorUserPointer = glfwGetMonitorUserPointer;
    glfw->SetMonitorCallback = glfwSetMonitorCallback;
    glfw->GetVideoModes = glfwGetVideoModes;
    glfw->GetVideoMode = glfwGetVideoMode;
    glfw->SetGamma = glfwSetGamma;
    glfw->GetGammaRamp = glfwGetGammaRamp;
    glfw->SetGammaRamp = glfwSetGammaRamp;
    glfw->DefaultWindowHints = glfwDefaultWindowHints;
    glfw->WindowHint = glfwWindowHint;
    glfw->WindowHintString = glfwWindowHintString;
    glfw->CreateWindowProc = glfwCreateWindow;
    glfw->DestroyWindow = glfwDestroyWindow;
    glfw->WindowShouldClose = glfwWindowShouldClose;
    glfw->SetWindowShouldClose = glfwSetWindowShouldClose;
    glfw->SetWindowTitle = glfwSetWindowTitle;
    glfw->SetWindowIcon = glfwSetWindowIcon;
    glfw->GetWindowPos = glfwGetWindowPos;
    glfw->SetWindowPos = glfwSetWindowPos;
    glfw->GetWindowSize = glfwGetWindowSize;
    glfw->SetWindowSizeLimits = glfwSetWindowSizeLimits;
    glfw->SetWindowAspectRatio = glfwSetWindowAspectRatio;
    glfw->SetWindowSize = glfwSetWindowSize;
    glfw->GetFramebufferSize = glfwGetFramebufferSize;
    glfw->GetWindowFrameSize = glfwGetWindowFrameSize;
    glfw->GetWindowContentScale = glfwGetWindowContentScale;
    glfw->GetWindowOpacity = glfwGetWindowOpacity;
    glfw->SetWindowOpacity = glfwSetWindowOpacity;
    glfw->IconifyWindow = glfwIconifyWindow;
    glfw->RestoreWindow = glfwRestoreWindow;
    glfw->MaximizeWindow = glfwMaximizeWindow;
    glfw->ShowWindow = glfwShowWindow;
    glfw->HideWindow = glfwHideWindow;
    glfw->FocusWindow = glfwFocusWindow;
    glfw->RequestWindowAttention = glfwRequestWindowAttention;
    glfw->GetWindowMonitor = glfwGetWindowMonitor;
    glfw->SetWindowMonitor = glfwSetWindowMonitor;
    glfw->GetWindowAttrib = glfwGetWindowAttrib;
    glfw->SetWindowAttrib = glfwSetWindowAttrib;
    glfw->SetWindowUserPointer = glfwSetWindowUserPointer;
    glfw->GetWindowUserPointer = glfwGetWindowUserPointer;
    glfw->SetWindowPosCallback = glfwSetWindowPosCallback;
    glfw->SetWindowSizeCallback = glfwSetWindowSizeCallback;
    glfw->SetWindowCloseCallback = glfwSetWindowCloseCallback;
    glfw->SetWindowRefreshCallback = glfwSetWindowRefreshCallback;
    glfw->SetWindowFocusCallback = glfwSetWindowFocusCallback;
    glfw->SetWindowIconifyCallback = glfwSetWindowIconifyCallback;
    glfw->SetWindowMaximizeCallback = glfwSetWindowMaximizeCallback;
    glfw->SetFramebufferSizeCallback = glfwSetFramebufferSizeCallback;
    glfw->SetWindowContentScaleCallback = glfwSetWindowContentScaleCallback;
    glfw->PollEvents = glfwPollEvents;
    glfw->WaitEvents = glfwWaitEvents;
    glfw->WaitEventsTimeout = glfwWaitEventsTimeout;
    glfw->PostEmptyEvent = glfwPostEmptyEvent;
    glfw->GetInputMode = glfwGetInputMode;
    glfw->SetInputMode = glfwSetInputMode;
    glfw->RawMouseMotionSupported = glfwRawMouseMotionSupported;
    glfw->GetKeyName = glfwGetKeyName;
    glfw->GetKeyScancode = glfwGetKeyScancode;
    glfw->GetKey = glfwGetKey;
    glfw->GetMouseButton = glfwGetMouseButton;
    glfw->GetCursorPos = glfwGetCursorPos;
    glfw->SetCursorPos = glfwSetCursorPos;
    glfw->CreateCursor = glfwCreateCursor;
    glfw->CreateStandardCursor = glfwCreateStandardCursor;
    glfw->DestroyCursor = glfwDestroyCursor;
    glfw->SetCursor = glfwSetCursor;
    glfw->SetKeyCallback = glfwSetKeyCallback;
    glfw->SetCharCallback = glfwSetCharCallback;
    glfw->SetCharModsCallback = glfwSetCharModsCallback;
    glfw->SetMouseButtonCallback = glfwSetMouseButtonCallback;
    glfw->SetCursorPosCallback = glfwSetCursorPosCallback;
    glfw->SetCursorEnterCallback = glfwSetCursorEnterCallback;
    glfw->SetScrollCallback = glfwSetScrollCallback;
    glfw->SetDropCallback = glfwSetDropCallback;
    glfw->JoystickPresent = glfwJoystickPresent;
    glfw->GetJoystickAxes = glfwGetJoystickAxes;
    glfw->GetJoystickButtons = glfwGetJoystickButtons;
    glfw->GetJoystickHats = glfwGetJoystickHats;
    glfw->GetJoystickName = glfwGetJoystickName;
    glfw->GetJoystickGUID = glfwGetJoystickGUID;
    glfw->SetJoystickUserPointer = glfwSetJoystickUserPointer;
    glfw->GetJoystickUserPointer = glfwGetJoystickUserPointer;
    glfw->JoystickIsGamepad = glfwJoystickIsGamepad;
    glfw->SetJoystickCallback = glfwSetJoystickCallback;
    glfw->UpdateGamepadMappings = glfwUpdateGamepadMappings;
    glfw->GetGamepadName = glfwGetGamepadName;
    glfw->GetGamepadState = glfwGetGamepadState;
    glfw->SetClipboardString = glfwSetClipboardString;
    glfw->GetClipboardString = glfwGetClipboardString;
    glfw->GetTime = glfwGetTime;
    glfw->SetTime = glfwSetTime;
    glfw->GetTimerValue = glfwGetTimerValue;
    glfw->GetTimerFrequency = glfwGetTimerFrequency;
    glfw->MakeContextCurrent = glfwMakeContextCurrent;
    glfw->GetCurrentContext = glfwGetCurrentContext;
    glfw->SwapBuffers = glfwSwapBuffers;
    glfw->SwapInterval = glfwSwapInterval;
    glfw->ExtensionSupported = glfwExtensionSupported;
    glfw->GetProcAddress = glfwGetProcAddress;
    glfw->VulkanSupported = glfwVulkanSupported;
    glfw->GetRequiredInstanceExtensions = glfwGetRequiredInstanceExtensions;
#if defined(VK_VERSION_1_0)
    glfw->GetInstanceProcAddress = glfwGetInstanceProcAddress;
    glfw->GetPhysicalDevicePresentationSupport = glfwGetPhysicalDevicePresentationSupport;
    glfw->CreateWindowSurface = glfwCreateWindowSurface;
#endif
#pragma endregion

    return glfw;
}



SSGC_API unsigned int loadShaderCode(char* const shaderCode, GLint shadertype)
{

    unsigned int shader = currentContext->CreateShader(shadertype);
    currentContext->ShaderSource(shader, 1, &shaderCode, NULL);
    currentContext->CompileShader(shader);
    int success;
    currentContext->GetShaderiv(shader, GL_COMPILE_STATUS, &success);
    if (!success)
    {
        currentContext->GetShaderInfoLog(shader, 512, NULL, infolog);
        return 0;
    }
    else
    {
        return shader;
    }
}

SSGC_API unsigned int linkShaderProgram(GLuint shaderProgram)
{
    currentContext->LinkProgram(shaderProgram);

    int success;
    currentContext->GetProgramiv(shaderProgram, GL_LINK_STATUS, &success);
    if (!success)
    {
        currentContext->GetProgramInfoLog(shaderProgram, 512, NULL, infolog);
        return 0;
    }
    else
    {
        return shaderProgram;
    }

}

char* _cdecl readLog()
{
    infolog[511] = '\0';
    return &infolog;
}

void setCurrentGLContxt(GladGLContext* contextPtr)
{
    currentContext = contextPtr;
}