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https://github.com/mpv-player/mpv
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fde20d10bc
ANGLE is _really_ annoying to build. (Requires special toolchain and a recent MSVC version.) This results in various issues with people having trouble to build mpv against ANGLE (apparently linking it against a prebuilt binary doesn't count, or using binaries from potentially untrusted sources is not wanted). Dynamically loading ANGLE is going to be a huge convenience. This commit implements this, with special focus on keeping it source compatible to a normal build with ANGLE linked at build-time.
83 lines
3.8 KiB
C
83 lines
3.8 KiB
C
// Based on Khronos headers, thus MIT licensed.
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#ifndef MP_ANGLE_DYNAMIC_H
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#define MP_ANGLE_DYNAMIC_H
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#include <stdbool.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#define ANGLE_FNS(FN) \
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FN(eglBindAPI, EGLBoolean (*EGLAPIENTRY PFN_eglBindAPI)(EGLenum)) \
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FN(eglBindTexImage, EGLBoolean (*EGLAPIENTRY PFN_eglBindTexImage) \
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(EGLDisplay, EGLSurface, EGLint)) \
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FN(eglChooseConfig, EGLBoolean (*EGLAPIENTRY PFN_eglChooseConfig) \
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(EGLDisplay, const EGLint *, EGLConfig *, EGLint, EGLint *)) \
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FN(eglCreateContext, EGLContext (*EGLAPIENTRY PFN_eglCreateContext) \
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(EGLDisplay, EGLConfig, EGLContext, const EGLint *)) \
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FN(eglCreatePbufferFromClientBuffer, EGLSurface (*EGLAPIENTRY \
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PFN_eglCreatePbufferFromClientBuffer)(EGLDisplay, EGLenum, \
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EGLClientBuffer, EGLConfig, const EGLint *)) \
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FN(eglCreateWindowSurface, EGLSurface (*EGLAPIENTRY \
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PFN_eglCreateWindowSurface)(EGLDisplay, EGLConfig, \
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EGLNativeWindowType, const EGLint *)) \
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FN(eglDestroyContext, EGLBoolean (*EGLAPIENTRY PFN_eglDestroyContext) \
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(EGLDisplay, EGLContext)) \
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FN(eglDestroySurface, EGLBoolean (*EGLAPIENTRY PFN_eglDestroySurface) \
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(EGLDisplay, EGLSurface)) \
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FN(eglGetConfigAttrib, EGLBoolean (*EGLAPIENTRY PFN_eglGetConfigAttrib) \
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(EGLDisplay, EGLConfig, EGLint, EGLint *)) \
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FN(eglGetCurrentContext, EGLContext (*EGLAPIENTRY \
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PFN_eglGetCurrentContext)(void)) \
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FN(eglGetCurrentDisplay, EGLDisplay (*EGLAPIENTRY \
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PFN_eglGetCurrentDisplay)(void)) \
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FN(eglGetDisplay, EGLDisplay (*EGLAPIENTRY PFN_eglGetDisplay) \
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(EGLNativeDisplayType)) \
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FN(eglGetError, EGLint (*EGLAPIENTRY PFN_eglGetError)(void)) \
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FN(eglGetProcAddress, void *(*EGLAPIENTRY \
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PFN_eglGetProcAddress)(const char *)) \
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FN(eglInitialize, EGLBoolean (*EGLAPIENTRY PFN_eglInitialize) \
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(EGLDisplay, EGLint *, EGLint *)) \
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FN(eglMakeCurrent, EGLBoolean (*EGLAPIENTRY PFN_eglMakeCurrent) \
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(EGLDisplay, EGLSurface, EGLSurface, EGLContext)) \
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FN(eglQueryString, const char *(*EGLAPIENTRY PFN_eglQueryString) \
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(EGLDisplay, EGLint)) \
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FN(eglSwapBuffers, EGLBoolean (*EGLAPIENTRY PFN_eglSwapBuffers) \
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(EGLDisplay, EGLSurface)) \
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FN(eglReleaseTexImage, EGLBoolean (*EGLAPIENTRY PFN_eglReleaseTexImage) \
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(EGLDisplay, EGLSurface, EGLint)) \
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FN(eglTerminate, EGLBoolean (*EGLAPIENTRY PFN_eglTerminate)(EGLDisplay))
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#define ANGLE_EXT_DECL(NAME, VAR) \
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extern VAR;
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ANGLE_FNS(ANGLE_EXT_DECL)
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bool angle_load(void);
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// Source compatibility to statically linked ANGLE.
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#ifndef ANGLE_NO_ALIASES
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#define eglBindAPI PFN_eglBindAPI
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#define eglBindTexImage PFN_eglBindTexImage
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#define eglChooseConfig PFN_eglChooseConfig
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#define eglCreateContext PFN_eglCreateContext
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#define eglCreatePbufferFromClientBuffer PFN_eglCreatePbufferFromClientBuffer
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#define eglCreateWindowSurface PFN_eglCreateWindowSurface
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#define eglDestroyContext PFN_eglDestroyContext
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#define eglDestroySurface PFN_eglDestroySurface
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#define eglGetConfigAttrib PFN_eglGetConfigAttrib
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#define eglGetCurrentContext PFN_eglGetCurrentContext
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#define eglGetCurrentDisplay PFN_eglGetCurrentDisplay
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#define eglGetDisplay PFN_eglGetDisplay
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#define eglGetError PFN_eglGetError
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#define eglGetProcAddress PFN_eglGetProcAddress
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#define eglInitialize PFN_eglInitialize
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#define eglMakeCurrent PFN_eglMakeCurrent
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#define eglQueryString PFN_eglQueryString
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#define eglReleaseTexImage PFN_eglReleaseTexImage
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#define eglSwapBuffers PFN_eglSwapBuffers
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#define eglTerminate PFN_eglTerminate
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#endif
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#endif
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