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/*
* 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_ */
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