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IABSD.fr/xenocara/dist/libepoxy/src/dispatch_common.h
matthieu
- dist/libepoxy/src/dispatch_common.h
-
/* * Copyright © 2013 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include "config.h" #ifdef _WIN32 #define PLATFORM_HAS_EGL ENABLE_EGL #define PLATFORM_HAS_GLX ENABLE_GLX #define PLATFORM_HAS_WGL 1 #elif defined(__APPLE__) #define PLATFORM_HAS_EGL 0 #define PLATFORM_HAS_GLX ENABLE_GLX #define PLATFORM_HAS_WGL 0 #elif defined(ANDROID) #define PLATFORM_HAS_EGL ENABLE_EGL #define PLATFORM_HAS_GLX 0 #define PLATFORM_HAS_WGL 0 #else #define PLATFORM_HAS_EGL ENABLE_EGL #define PLATFORM_HAS_GLX ENABLE_GLX #define PLATFORM_HAS_WGL 0 #endif #include "epoxy/gl.h" #if PLATFORM_HAS_GLX #include "epoxy/glx.h" #endif #if PLATFORM_HAS_EGL # if !ENABLE_X11 /* Disable including X11 headers if the X11 support was disabled at * configuration time */ # define EGL_NO_X11 1 /* Older versions of Mesa use this symbol to achieve the same result * as EGL_NO_X11 */ # define MESA_EGL_NO_X11_HEADERS 1 # endif #include "epoxy/egl.h" #endif #if PLATFORM_HAS_WGL #include "epoxy/wgl.h" #endif #if defined(__GNUC__) #define PACKED __attribute__((__packed__)) #define ENDPACKED #elif defined (_MSC_VER) #define PACKED __pragma(pack(push,1)) #define ENDPACKED __pragma(pack(pop)) #else #define PACKED #define ENDPACKED #endif /* On win32, we're going to need to keep a per-thread dispatch table, * since the function pointers depend on the device and pixel format * of the current context. */ #if defined(_WIN32) #define USING_DISPATCH_TABLE 1 #else #define USING_DISPATCH_TABLE 0 #endif #define UNWRAPPED_PROTO(x) (GLAPIENTRY *x) #define WRAPPER_VISIBILITY(type) static type GLAPIENTRY #define WRAPPER(x) x ## _wrapped #define GEN_GLOBAL_REWRITE_PTR(name, args, passthrough) \ static void EPOXY_CALLSPEC \ name##_global_rewrite_ptr args \ { \ if (name == (void *)name##_global_rewrite_ptr) \ name = (void *)name##_resolver(); \ name passthrough; \ } #define GEN_GLOBAL_REWRITE_PTR_RET(ret, name, args, passthrough) \ static ret EPOXY_CALLSPEC \ name##_global_rewrite_ptr args \ { \ if (name == (void *)name##_global_rewrite_ptr) \ name = (void *)name##_resolver(); \ return name passthrough; \ } #if USING_DISPATCH_TABLE #define GEN_DISPATCH_TABLE_REWRITE_PTR(name, args, passthrough) \ static void EPOXY_CALLSPEC \ name##_dispatch_table_rewrite_ptr args \ { \ struct dispatch_table *dispatch_table = get_dispatch_table(); \ \ dispatch_table->name = (void *)name##_resolver(); \ dispatch_table->name passthrough; \ } #define GEN_DISPATCH_TABLE_REWRITE_PTR_RET(ret, name, args, passthrough) \ static ret EPOXY_CALLSPEC \ name##_dispatch_table_rewrite_ptr args \ { \ struct dispatch_table *dispatch_table = get_dispatch_table(); \ \ dispatch_table->name = (void *)name##_resolver(); \ return dispatch_table->name passthrough; \ } #define GEN_DISPATCH_TABLE_THUNK(name, args, passthrough) \ static void EPOXY_CALLSPEC \ name##_dispatch_table_thunk args \ { \ get_dispatch_table()->name passthrough; \ } #define GEN_DISPATCH_TABLE_THUNK_RET(ret, name, args, passthrough) \ static ret EPOXY_CALLSPEC \ name##_dispatch_table_thunk args \ { \ return get_dispatch_table()->name passthrough; \ } #else #define GEN_DISPATCH_TABLE_REWRITE_PTR(name, args, passthrough) #define GEN_DISPATCH_TABLE_REWRITE_PTR_RET(ret, name, args, passthrough) #define GEN_DISPATCH_TABLE_THUNK(name, args, passthrough) #define GEN_DISPATCH_TABLE_THUNK_RET(ret, name, args, passthrough) #endif #define GEN_THUNKS(name, args, passthrough) \ GEN_GLOBAL_REWRITE_PTR(name, args, passthrough) \ GEN_DISPATCH_TABLE_REWRITE_PTR(name, args, passthrough) \ GEN_DISPATCH_TABLE_THUNK(name, args, passthrough) #define GEN_THUNKS_RET(ret, name, args, passthrough) \ GEN_GLOBAL_REWRITE_PTR_RET(ret, name, args, passthrough) \ GEN_DISPATCH_TABLE_REWRITE_PTR_RET(ret, name, args, passthrough) \ GEN_DISPATCH_TABLE_THUNK_RET(ret, name, args, passthrough) void *epoxy_egl_dlsym(const char *name); void *epoxy_glx_dlsym(const char *name); void *epoxy_gl_dlsym(const char *name); void *epoxy_gles1_dlsym(const char *name); void *epoxy_gles2_dlsym(const char *name); void *epoxy_gles3_dlsym(const char *name); void *epoxy_get_proc_address(const char *name); void *epoxy_get_core_proc_address(const char *name, int core_version); void *epoxy_get_bootstrap_proc_address(const char *name); int epoxy_conservative_gl_version(void); bool epoxy_conservative_has_gl_extension(const char *name); int epoxy_conservative_glx_version(void); bool epoxy_conservative_has_glx_extension(const char *name); int epoxy_conservative_egl_version(void); bool epoxy_conservative_has_egl_extension(const char *name); bool epoxy_conservative_has_wgl_extension(const char *name); void *epoxy_conservative_egl_dlsym(const char *name, bool exit_if_fails); void *epoxy_conservative_glx_dlsym(const char *name, bool exit_if_fails); bool epoxy_load_glx(bool exit_if_fails, bool load); bool epoxy_load_egl(bool exit_if_fails, bool load); #define glBegin_unwrapped epoxy_glBegin_unwrapped #define glEnd_unwrapped epoxy_glEnd_unwrapped extern void UNWRAPPED_PROTO(glBegin_unwrapped)(GLenum primtype); extern void UNWRAPPED_PROTO(glEnd_unwrapped)(void); extern epoxy_resolver_failure_handler_t epoxy_resolver_failure_handler; #if USING_DISPATCH_TABLE void gl_init_dispatch_table(void); void gl_switch_to_dispatch_table(void); void wgl_init_dispatch_table(void); void wgl_switch_to_dispatch_table(void); extern uint32_t gl_tls_index, gl_tls_size; extern uint32_t wgl_tls_index, wgl_tls_size; #define wglMakeCurrent_unwrapped epoxy_wglMakeCurrent_unwrapped #define wglMakeContextCurrentARB_unwrapped epoxy_wglMakeContextCurrentARB_unwrapped #define wglMakeContextCurrentEXT_unwrapped epoxy_wglMakeContextCurrentEXT_unwrapped #define wglMakeAssociatedContextCurrentAMD_unwrapped epoxy_wglMakeAssociatedContextCurrentAMD_unwrapped extern BOOL UNWRAPPED_PROTO(wglMakeCurrent_unwrapped)(HDC hdc, HGLRC hglrc); extern BOOL UNWRAPPED_PROTO(wglMakeContextCurrentARB_unwrapped)(HDC hDrawDC, HDC hReadDC, HGLRC hglrc); extern BOOL UNWRAPPED_PROTO(wglMakeContextCurrentEXT_unwrapped)(HDC hDrawDC, HDC hReadDC, HGLRC hglrc); extern BOOL UNWRAPPED_PROTO(wglMakeAssociatedContextCurrentAMD_unwrapped)(HGLRC hglrc); #endif /* _WIN32_ */