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#ifndef GSR_EGL_H
#define GSR_EGL_H
/* OpenGL EGL library with a hidden window context (to allow using the opengl functions) */
#include <X11/X.h>
#include <X11/Xutil.h>
#include <stdbool.h>
#include <stdint.h>
#include "vec2.h"
#include "defs.h"
typedef struct gsr_window gsr_window;
#ifdef _WIN64
typedef signed long long int khronos_intptr_t;
typedef unsigned long long int khronos_uintptr_t;
typedef signed long long int khronos_ssize_t;
typedef unsigned long long int khronos_usize_t;
#else
typedef signed long int khronos_intptr_t;
typedef unsigned long int khronos_uintptr_t;
typedef signed long int khronos_ssize_t;
typedef unsigned long int khronos_usize_t;
#endif
typedef void* EGLDisplay;
typedef void* EGLNativeDisplayType;
typedef uintptr_t EGLNativeWindowType;
typedef uintptr_t EGLNativePixmapType;
typedef void* EGLConfig;
typedef void* EGLSurface;
typedef void* EGLContext;
typedef void* EGLClientBuffer;
typedef void* EGLImage;
typedef void* EGLImageKHR;
typedef void *GLeglImageOES;
typedef void (*__eglMustCastToProperFunctionPointerType)(void);
typedef struct __GLXFBConfigRec *GLXFBConfig;
typedef struct __GLXcontextRec *GLXContext;
typedef XID GLXDrawable;
typedef void(*__GLXextFuncPtr)(void);
#define EGL_SUCCESS 0x3000
#define EGL_BUFFER_SIZE 0x3020
#define EGL_RENDERABLE_TYPE 0x3040
#define EGL_OPENGL_API 0x30A2
#define EGL_OPENGL_ES_API 0x30A0
#define EGL_OPENGL_BIT 0x0008
#define EGL_OPENGL_ES_BIT 0x0001
#define EGL_NONE 0x3038
#define EGL_CONTEXT_CLIENT_VERSION 0x3098
#define EGL_BACK_BUFFER 0x3084
#define EGL_GL_TEXTURE_2D 0x30B1
#define EGL_TRUE 1
#define EGL_IMAGE_PRESERVED_KHR 0x30D2
#define EGL_NATIVE_PIXMAP_KHR 0x30B0
#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
#define EGL_WIDTH 0x3057
#define EGL_HEIGHT 0x3056
#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
#define EGL_DMA_BUF_PLANE1_FD_EXT 0x3275
#define EGL_DMA_BUF_PLANE1_OFFSET_EXT 0x3276
#define EGL_DMA_BUF_PLANE1_PITCH_EXT 0x3277
#define EGL_DMA_BUF_PLANE2_FD_EXT 0x3278
#define EGL_DMA_BUF_PLANE2_OFFSET_EXT 0x3279
#define EGL_DMA_BUF_PLANE2_PITCH_EXT 0x327A
#define EGL_DMA_BUF_PLANE3_FD_EXT 0x3440
#define EGL_DMA_BUF_PLANE3_OFFSET_EXT 0x3441
#define EGL_DMA_BUF_PLANE3_PITCH_EXT 0x3442
#define EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT 0x3443
#define EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT 0x3444
#define EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT 0x3445
#define EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT 0x3446
#define EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT 0x3447
#define EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT 0x3448
#define EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT 0x3449
#define EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT 0x344A
#define EGL_LINUX_DMA_BUF_EXT 0x3270
#define EGL_RED_SIZE 0x3024
#define EGL_ALPHA_SIZE 0x3021
#define EGL_BLUE_SIZE 0x3022
#define EGL_GREEN_SIZE 0x3023
#define EGL_CONTEXT_PRIORITY_LEVEL_IMG 0x3100
#define EGL_CONTEXT_PRIORITY_HIGH_IMG 0x3101
#define EGL_CONTEXT_PRIORITY_MEDIUM_IMG 0x3102
#define EGL_CONTEXT_PRIORITY_LOW_IMG 0x3103
#define EGL_DEVICE_EXT 0x322C
#define EGL_DRM_DEVICE_FILE_EXT 0x3233
#define GL_FLOAT 0x1406
#define GL_FALSE 0
#define GL_TRUE 1
#define GL_TRIANGLES 0x0004
#define GL_TEXTURE_2D 0x0DE1
#define GL_TEXTURE_EXTERNAL_OES 0x8D65
#define GL_RED 0x1903
#define GL_GREEN 0x1904
#define GL_BLUE 0x1905
#define GL_ALPHA 0x1906
#define GL_TEXTURE_SWIZZLE_RGBA 0x8E46
#define GL_RG 0x8227
#define GL_RGB 0x1907
#define GL_RGBA 0x1908
#define GL_RGBA8 0x8058
#define GL_R8 0x8229
#define GL_RG8 0x822B
#define GL_R16 0x822A
#define GL_RG16 0x822C
#define GL_UNSIGNED_BYTE 0x1401
#define GL_COLOR_BUFFER_BIT 0x00004000
#define GL_TEXTURE_WRAP_S 0x2802
#define GL_TEXTURE_WRAP_T 0x2803
#define GL_TEXTURE_MAG_FILTER 0x2800
#define GL_TEXTURE_MIN_FILTER 0x2801
#define GL_TEXTURE_WIDTH 0x1000
#define GL_TEXTURE_HEIGHT 0x1001
#define GL_NEAREST 0x2600
#define GL_CLAMP_TO_EDGE 0x812F
#define GL_LINEAR 0x2601
#define GL_FRAMEBUFFER 0x8D40
#define GL_COLOR_ATTACHMENT0 0x8CE0
#define GL_FRAMEBUFFER_COMPLETE 0x8CD5
#define GL_DYNAMIC_DRAW 0x88E8
#define GL_ARRAY_BUFFER 0x8892
#define GL_BLEND 0x0BE2
#define GL_SRC_ALPHA 0x0302
#define GL_ONE_MINUS_SRC_ALPHA 0x0303
#define GL_DEBUG_OUTPUT 0x92E0
#define GL_SCISSOR_TEST 0x0C11
#define GL_VENDOR 0x1F00
#define GL_RENDERER 0x1F01
#define GL_VERSION 0x1F02
#define GL_COMPILE_STATUS 0x8B81
#define GL_INFO_LOG_LENGTH 0x8B84
#define GL_FRAGMENT_SHADER 0x8B30
#define GL_VERTEX_SHADER 0x8B31
#define GL_COMPILE_STATUS 0x8B81
#define GL_LINK_STATUS 0x8B82
typedef unsigned int (*FUNC_eglExportDMABUFImageQueryMESA)(EGLDisplay dpy, EGLImageKHR image, int *fourcc, int *num_planes, uint64_t *modifiers);
typedef unsigned int (*FUNC_eglExportDMABUFImageMESA)(EGLDisplay dpy, EGLImageKHR image, int *fds, int32_t *strides, int32_t *offsets);
typedef void (*FUNC_glEGLImageTargetTexture2DOES)(unsigned int target, GLeglImageOES image);
typedef GLXContext (*FUNC_glXCreateContextAttribsARB)(Display *dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list);
typedef void (*FUNC_glXSwapIntervalEXT)(Display * dpy, GLXDrawable drawable, int interval);
typedef int (*FUNC_glXSwapIntervalMESA)(unsigned int interval);
typedef int (*FUNC_glXSwapIntervalSGI)(int interval);
typedef void (*GLDEBUGPROC)(unsigned int source, unsigned int type, unsigned int id, unsigned int severity, int length, const char *message, const void *userParam);
typedef int (*FUNC_eglQueryDisplayAttribEXT)(EGLDisplay dpy, int32_t attribute, intptr_t *value);
typedef const char* (*FUNC_eglQueryDeviceStringEXT)(void *device, int32_t name);
typedef int (*FUNC_eglQueryDmaBufModifiersEXT)(EGLDisplay dpy, int32_t format, int32_t max_modifiers, uint64_t *modifiers, int *external_only, int32_t *num_modifiers);
typedef enum {
GSR_GL_CONTEXT_TYPE_EGL,
GSR_GL_CONTEXT_TYPE_GLX
} gsr_gl_context_type;
typedef struct gsr_egl gsr_egl;
struct gsr_egl {
void *egl_library;
void *glx_library;
void *gl_library;
gsr_gl_context_type context_type;
gsr_window *window;
EGLDisplay egl_display;
EGLSurface egl_surface;
EGLContext egl_context;
const char *dri_card_path;
void *glx_context;
void *glx_fb_config;
gsr_gpu_info gpu_info;
char card_path[128];
int32_t (*eglGetError)(void);
EGLDisplay (*eglGetDisplay)(EGLNativeDisplayType display_id);
unsigned int (*eglInitialize)(EGLDisplay dpy, int32_t *major, int32_t *minor);
unsigned int (*eglTerminate)(EGLDisplay dpy);
unsigned int (*eglChooseConfig)(EGLDisplay dpy, const int32_t *attrib_list, EGLConfig *configs, int32_t config_size, int32_t *num_config);
EGLSurface (*eglCreateWindowSurface)(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const int32_t *attrib_list);
EGLContext (*eglCreateContext)(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const int32_t *attrib_list);
unsigned int (*eglMakeCurrent)(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
EGLImage (*eglCreateImage)(EGLDisplay dpy, EGLContext ctx, unsigned int target, EGLClientBuffer buffer, const intptr_t *attrib_list);
unsigned int (*eglDestroyContext)(EGLDisplay dpy, EGLContext ctx);
unsigned int (*eglDestroySurface)(EGLDisplay dpy, EGLSurface surface);
unsigned int (*eglDestroyImage)(EGLDisplay dpy, EGLImage image);
unsigned int (*eglSwapInterval)(EGLDisplay dpy, int32_t interval);
unsigned int (*eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface);
unsigned int (*eglBindAPI)(unsigned int api);
__eglMustCastToProperFunctionPointerType (*eglGetProcAddress)(const char *procname);
FUNC_eglExportDMABUFImageQueryMESA eglExportDMABUFImageQueryMESA;
FUNC_eglExportDMABUFImageMESA eglExportDMABUFImageMESA;
FUNC_glEGLImageTargetTexture2DOES glEGLImageTargetTexture2DOES;
FUNC_eglQueryDisplayAttribEXT eglQueryDisplayAttribEXT;
FUNC_eglQueryDeviceStringEXT eglQueryDeviceStringEXT;
FUNC_eglQueryDmaBufModifiersEXT eglQueryDmaBufModifiersEXT;
__GLXextFuncPtr (*glXGetProcAddress)(const unsigned char *procName);
GLXFBConfig* (*glXChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems);
Bool (*glXMakeContextCurrent)(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
// TODO: Remove
GLXContext (*glXCreateNewContext)(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct);
void (*glXDestroyContext)(Display *dpy, GLXContext ctx);
void (*glXSwapBuffers)(Display *dpy, GLXDrawable drawable);
FUNC_glXCreateContextAttribsARB glXCreateContextAttribsARB;
/* Optional */
FUNC_glXSwapIntervalEXT glXSwapIntervalEXT;
FUNC_glXSwapIntervalMESA glXSwapIntervalMESA;
FUNC_glXSwapIntervalSGI glXSwapIntervalSGI;
unsigned int (*glGetError)(void);
const unsigned char* (*glGetString)(unsigned int name);
void (*glFlush)(void);
void (*glFinish)(void);
void (*glClear)(unsigned int mask);
void (*glClearColor)(float red, float green, float blue, float alpha);
void (*glGenTextures)(int n, unsigned int *textures);
void (*glDeleteTextures)(int n, const unsigned int *texture);
void (*glBindTexture)(unsigned int target, unsigned int texture);
void (*glTexParameteri)(unsigned int target, unsigned int pname, int param);
void (*glTexParameteriv)(unsigned int target, unsigned int pname, const int *params);
void (*glGetTexLevelParameteriv)(unsigned int target, int level, unsigned int pname, int *params);
void (*glTexImage2D)(unsigned int target, int level, int internalFormat, int width, int height, int border, unsigned int format, unsigned int type, const void *pixels);
void (*glGetTexImage)(unsigned int target, int level, unsigned int format, unsigned int type, void *pixels);
void (*glGenFramebuffers)(int n, unsigned int *framebuffers);
void (*glBindFramebuffer)(unsigned int target, unsigned int framebuffer);
void (*glDeleteFramebuffers)(int n, const unsigned int *framebuffers);
void (*glViewport)(int x, int y, int width, int height);
void (*glFramebufferTexture2D)(unsigned int target, unsigned int attachment, unsigned int textarget, unsigned int texture, int level);
void (*glDrawBuffers)(int n, const unsigned int *bufs);
unsigned int (*glCheckFramebufferStatus)(unsigned int target);
void (*glBindBuffer)(unsigned int target, unsigned int buffer);
void (*glGenBuffers)(int n, unsigned int *buffers);
void (*glBufferData)(unsigned int target, khronos_ssize_t size, const void *data, unsigned int usage);
void (*glBufferSubData)(unsigned int target, khronos_intptr_t offset, khronos_ssize_t size, const void *data);
void (*glDeleteBuffers)(int n, const unsigned int *buffers);
void (*glGenVertexArrays)(int n, unsigned int *arrays);
void (*glBindVertexArray)(unsigned int array);
void (*glDeleteVertexArrays)(int n, const unsigned int *arrays);
unsigned int (*glCreateProgram)(void);
unsigned int (*glCreateShader)(unsigned int type);
void (*glAttachShader)(unsigned int program, unsigned int shader);
void (*glBindAttribLocation)(unsigned int program, unsigned int index, const char *name);
void (*glCompileShader)(unsigned int shader);
void (*glLinkProgram)(unsigned int program);
void (*glShaderSource)(unsigned int shader, int count, const char *const*string, const int *length);
void (*glUseProgram)(unsigned int program);
void (*glGetProgramInfoLog)(unsigned int program, int bufSize, int *length, char *infoLog);
void (*glGetShaderiv)(unsigned int shader, unsigned int pname, int *params);
void (*glGetShaderInfoLog)(unsigned int shader, int bufSize, int *length, char *infoLog);
void (*glDeleteProgram)(unsigned int program);
void (*glDeleteShader)(unsigned int shader);
void (*glGetProgramiv)(unsigned int program, unsigned int pname, int *params);
void (*glVertexAttribPointer)(unsigned int index, int size, unsigned int type, unsigned char normalized, int stride, const void *pointer);
void (*glEnableVertexAttribArray)(unsigned int index);
void (*glDrawArrays)(unsigned int mode, int first, int count);
void (*glEnable)(unsigned int cap);
void (*glDisable)(unsigned int cap);
void (*glBlendFunc)(unsigned int sfactor, unsigned int dfactor);
int (*glGetUniformLocation)(unsigned int program, const char *name);
void (*glUniform1f)(int location, float v0);
void (*glUniform2f)(int location, float v0, float v1);
void (*glDebugMessageCallback)(GLDEBUGPROC callback, const void *userParam);
void (*glScissor)(int x, int y, int width, int height);
void (*glReadPixels)(int x, int y, int width, int height, unsigned int format, unsigned int type, void *pixels);
void* (*glMapBuffer)(unsigned int target, unsigned int access);
unsigned char (*glUnmapBuffer)(unsigned int target);
};
bool gsr_egl_load(gsr_egl *self, gsr_window *window, bool is_monitor_capture);
void gsr_egl_unload(gsr_egl *self);
/* Does opengl swap with egl or glx, depending on which one is active */
void gsr_egl_swap_buffers(gsr_egl *self);
#endif /* GSR_EGL_H */
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