diff options
Diffstat (limited to 'include/egl.h')
| -rw-r--r-- | include/egl.h | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/include/egl.h b/include/egl.h new file mode 100644 index 0000000..b10fa06 --- /dev/null +++ b/include/egl.h @@ -0,0 +1,321 @@ +#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_OPENGL_ES2_BIT 0x0004 +#define EGL_OPENGL_ES3_BIT 0x00000040 +#define EGL_NONE 0x3038 +#define EGL_CONTEXT_CLIENT_VERSION 0x3098 +#define EGL_CONTEXT_OPENGL_DEBUG 0x31B0 +#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_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_RGB8 0x8051 +#define GL_RGBA8 0x8058 +#define GL_RGBA16 0x805B +#define GL_R8 0x8229 +#define GL_RG8 0x822B +#define GL_R16 0x822A +#define GL_RG16 0x822C +#define GL_RGB16 0x8054 +#define GL_RGBA32F 0x8814 +#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_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_SYNCHRONOUS 0x8242 +#define GL_SCISSOR_TEST 0x0C11 +#define GL_PACK_ALIGNMENT 0x0D05 +#define GL_UNPACK_ALIGNMENT 0x0CF5 +#define GL_TEXTURE0 0x84C0 +#define GL_TEXTURE1 0x84C1 +#define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020 +#define GL_ALL_BARRIER_BITS 0xFFFFFFFF +#define GL_PIXEL_UNPACK_BUFFER 0x88EC +#define GL_MAP_WRITE_BIT 0x0002 + +#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 void (*FUNC_glCreateMemoryObjectsEXT)(int n, unsigned int *memoryObjects); +typedef void (*FUNC_glImportMemoryFdEXT)(unsigned int memory, uint64_t size, unsigned int handleType, int fd); +typedef unsigned char (*FUNC_glIsMemoryObjectEXT)(unsigned int memoryObject); +typedef void (*FUNC_glTexStorageMem2DEXT)(unsigned int target, int levels, unsigned int internalFormat, int width, int height, unsigned int memory, uint64_t offset); +typedef void (*FUNC_glBufferStorageMemEXT)(unsigned int target, ssize_t size, unsigned int memory, uint64_t offset); +typedef void (*FUNC_glNamedBufferStorageMemEXT)(unsigned int buffer, ssize_t size, unsigned int memory, uint64_t offset); +typedef void (*FUNC_glMemoryObjectParameterivEXT)(unsigned int memoryObject, unsigned int pname, const int *params); + +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; + FUNC_glCreateMemoryObjectsEXT glCreateMemoryObjectsEXT; + FUNC_glImportMemoryFdEXT glImportMemoryFdEXT; + FUNC_glIsMemoryObjectEXT glIsMemoryObjectEXT; + FUNC_glTexStorageMem2DEXT glTexStorageMem2DEXT; + FUNC_glBufferStorageMemEXT glBufferStorageMemEXT; + FUNC_glNamedBufferStorageMemEXT glNamedBufferStorageMemEXT; + FUNC_glMemoryObjectParameterivEXT glMemoryObjectParameterivEXT; + + __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 (*glActiveTexture)(unsigned int texture); + void (*glBindTexture)(unsigned int target, unsigned int texture); + void (*glBindImageTexture)(unsigned int unit, unsigned int texture, int level, unsigned char layered, int layer, unsigned int access, unsigned int format); + void (*glTexParameteri)(unsigned int target, unsigned int pname, int param); + void (*glTexParameteriv)(unsigned int target, unsigned int pname, const int *params); + void (*glTexParameterfv)(unsigned int target, unsigned int pname, const float *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 (*glTexSubImage2D)(unsigned int target, int level, int xoffset, int yoffset, int width, int height, unsigned format, unsigned type, const void *pixels); + void (*glTexStorage2D)(unsigned int target, int levels, unsigned int internalformat, int width, int height); + 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); + /* TODO: Note: this is only available since OpenGL ES 3.1 */ + void (*glMemoryBarrier)(unsigned int barriers); + 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); + void (*glPixelStorei)(unsigned int pname, int param); + int (*glGetUniformLocation)(unsigned int program, const char *name); + void (*glUniform1f)(int location, float v0); + void (*glUniform2f)(int location, float v0, float v1); + void (*glUniform1i)(int location, int v0); + void (*glUniform2i)(int location, int v0, int v1); + void (*glUniformMatrix2fv)(int location, int count, unsigned char transpose, const float *value); + void (*glDebugMessageCallback)(GLDEBUGPROC callback, const void *userParam); + void (*glScissor)(int x, int y, int width, int height); + void (*glCreateBuffers)(int n, unsigned int *buffers); + void (*glReadPixels)(int x, int y, int width, int height, unsigned int format, unsigned int type, void *pixels); + void* (*glMapBufferRange)(unsigned int target, intptr_t offset, ssize_t length, unsigned int access); + unsigned char (*glUnmapBuffer)(unsigned int target); + void (*glGetIntegerv)(unsigned int pname, int *params); +}; + +bool gsr_egl_load(gsr_egl *self, gsr_window *window, bool is_monitor_capture, bool enable_debug); +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 */ |