snes9x/win32/COpenGL.h

94 lines
2.6 KiB
C++

/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
#ifndef COPENGL_H
#define COPENGL_H
#include <windows.h>
#include "gl_core_3_1.h"
#include "cgFunctions.h"
#include "CGLCG.h"
#include "../shaders/glsl.h"
#include "wglext.h"
#include "IS9xDisplayOutput.h"
#include <functional>
enum current_ogl_shader_type { OGL_SHADER_NONE, OGL_SHADER_GLSL, OGL_SHADER_CG, OGL_SHADER_GLSL_OLD};
class COpenGL : public IS9xDisplayOutput
{
private:
HDC hDC;
HGLRC hRC;
HWND hWnd;
GLuint drawTexture;
GLuint drawBuffer;
GLfloat vertices[8];
GLfloat texcoords[8];
unsigned char * noPboBuffer;
TCHAR currentShaderFile[MAX_PATH];
int frameCount;
bool initDone;
bool fullscreen;
unsigned int outTextureWidth;
unsigned int outTextureHeight;
unsigned int afterRenderWidth, afterRenderHeight;
bool shaderFunctionsLoaded;
bool pboFunctionsLoaded;
CGcontext cgContext;
CGprogram cgVertexProgram, cgFragmentProgram;
current_ogl_shader_type shader_type;
bool cgAvailable;
CGLCG *cgShader;
GLSLShader *glslShader;
GLuint shaderProgram;
GLuint vertexShader;
GLuint fragmentShader;
PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT;
bool SetShaders(const TCHAR *file);
void checkForCgError(const char *situation);
bool SetShadersCG(const TCHAR *file);
bool SetShadersGLSL(const TCHAR *glslFileName);
bool SetShadersGLSL_OLD(const TCHAR *glslFileName);
bool LoadShaderFunctions();
bool LoadPBOFunctions();
void CreateDrawSurface(unsigned int width, unsigned int height);
void DestroyDrawSurface(void);
bool ChangeDrawSurfaceSize(unsigned int width, unsigned int height);
void SetupVertices();
bool ShaderAvailable();
bool NPOTAvailable();
public:
COpenGL();
~COpenGL();
bool Initialize(HWND hWnd) override;
void DeInitialize() override;
void Render(SSurface Src) override;
bool ChangeRenderSize(unsigned int newWidth, unsigned int newHeight) override;
bool ApplyDisplayChanges(void) override;
bool SetFullscreen(bool fullscreen) override;
void SetSnes9xColorFormat(void) override;
void EnumModes(std::vector<dMode> *modeVector) override;
void SetSwapInterval(int frames);
std::vector<ShaderParam> *GetShaderParameters(void) override;
std::function<void(const char*)> GetShaderParametersSaveFunction() override;
};
#endif