199 lines
8.2 KiB
C
199 lines
8.2 KiB
C
/*
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* Copyright © 2013 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <stdbool.h>
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#ifdef _WIN32
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#define PLATFORM_HAS_EGL 0
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#define PLATFORM_HAS_GLX 0
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#define PLATFORM_HAS_WGL 1
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#define EPOXY_IMPORTEXPORT __declspec(dllexport)
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#elif defined(__APPLE__)
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#define PLATFORM_HAS_EGL 0
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#define PLATFORM_HAS_GLX 0
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#define PLATFORM_HAS_WGL 0
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#define EPOXY_IMPORTEXPORT
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#elif defined(ANDROID)
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#define PLATFORM_HAS_EGL 1
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#define PLATFORM_HAS_GLX 0
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#define PLATFORM_HAS_WGL 0
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#define EPOXY_IMPORTEXPORT
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#else
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#define PLATFORM_HAS_EGL 1
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#define PLATFORM_HAS_GLX 1
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#define PLATFORM_HAS_WGL 0
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#define EPOXY_IMPORTEXPORT
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#endif
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#include "epoxy/gl.h"
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#if PLATFORM_HAS_GLX
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#include "epoxy/glx.h"
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#endif
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#if PLATFORM_HAS_EGL
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#include "epoxy/egl.h"
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#endif
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#if PLATFORM_HAS_WGL
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#include "epoxy/wgl.h"
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#endif
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#ifndef PUBLIC
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# ifdef _WIN32
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# define PUBLIC __declspec(dllexport)
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# elif (defined(__GNUC__) && __GNUC__ >= 4) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
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# define PUBLIC __attribute__((visibility("default")))
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# else
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# define PUBLIC
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# endif
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#endif
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#if defined(__GNUC__)
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#define PACKED __attribute__((__packed__))
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#else
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#define PACKED
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#endif
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/* On win32, we're going to need to keep a per-thread dispatch table,
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* since the function pointers depend on the device and pixel format
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* of the current context.
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*/
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#if defined(_WIN32)
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#define USING_DISPATCH_TABLE 1
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#else
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#define USING_DISPATCH_TABLE 0
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#endif
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#define UNWRAPPED_PROTO(x) (GLAPIENTRY *x)
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#define WRAPPER_VISIBILITY(type) static type GLAPIENTRY
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#define WRAPPER(x) x ## _wrapped
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#define GEN_GLOBAL_REWRITE_PTR(name, args, passthrough) \
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static void EPOXY_CALLSPEC \
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name##_global_rewrite_ptr args \
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{ \
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name = (void *)name##_resolver(); \
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name passthrough; \
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}
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#define GEN_GLOBAL_REWRITE_PTR_RET(ret, name, args, passthrough) \
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static ret EPOXY_CALLSPEC \
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name##_global_rewrite_ptr args \
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{ \
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name = (void *)name##_resolver(); \
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return name passthrough; \
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}
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#if USING_DISPATCH_TABLE
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#define GEN_DISPATCH_TABLE_REWRITE_PTR(name, args, passthrough) \
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static void EPOXY_CALLSPEC \
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name##_dispatch_table_rewrite_ptr args \
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{ \
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struct dispatch_table *dispatch_table = get_dispatch_table(); \
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\
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dispatch_table->name = (void *)name##_resolver(); \
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dispatch_table->name passthrough; \
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}
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#define GEN_DISPATCH_TABLE_REWRITE_PTR_RET(ret, name, args, passthrough) \
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static ret EPOXY_CALLSPEC \
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name##_dispatch_table_rewrite_ptr args \
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{ \
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struct dispatch_table *dispatch_table = get_dispatch_table(); \
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\
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dispatch_table->name = (void *)name##_resolver(); \
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return dispatch_table->name passthrough; \
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}
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#define GEN_DISPATCH_TABLE_THUNK(name, args, passthrough) \
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static void EPOXY_CALLSPEC \
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name##_dispatch_table_thunk args \
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{ \
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get_dispatch_table()->name passthrough; \
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}
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#define GEN_DISPATCH_TABLE_THUNK_RET(ret, name, args, passthrough) \
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static ret EPOXY_CALLSPEC \
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name##_dispatch_table_thunk args \
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{ \
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return get_dispatch_table()->name passthrough; \
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}
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#else
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#define GEN_DISPATCH_TABLE_REWRITE_PTR(name, args, passthrough)
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#define GEN_DISPATCH_TABLE_REWRITE_PTR_RET(ret, name, args, passthrough)
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#define GEN_DISPATCH_TABLE_THUNK(name, args, passthrough)
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#define GEN_DISPATCH_TABLE_THUNK_RET(ret, name, args, passthrough)
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#endif
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#define GEN_THUNKS(name, args, passthrough) \
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GEN_GLOBAL_REWRITE_PTR(name, args, passthrough) \
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GEN_DISPATCH_TABLE_REWRITE_PTR(name, args, passthrough) \
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GEN_DISPATCH_TABLE_THUNK(name, args, passthrough)
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#define GEN_THUNKS_RET(ret, name, args, passthrough) \
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GEN_GLOBAL_REWRITE_PTR_RET(ret, name, args, passthrough) \
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GEN_DISPATCH_TABLE_REWRITE_PTR_RET(ret, name, args, passthrough) \
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GEN_DISPATCH_TABLE_THUNK_RET(ret, name, args, passthrough)
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void *epoxy_egl_dlsym(const char *name);
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void *epoxy_glx_dlsym(const char *name);
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void *epoxy_gl_dlsym(const char *name);
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void *epoxy_gles1_dlsym(const char *name);
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void *epoxy_gles2_dlsym(const char *name);
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void *epoxy_gles3_dlsym(const char *name);
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void *epoxy_get_proc_address(const char *name);
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void *epoxy_get_core_proc_address(const char *name, int core_version);
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void *epoxy_get_bootstrap_proc_address(const char *name);
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int epoxy_conservative_gl_version(void);
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bool epoxy_conservative_has_gl_extension(const char *name);
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int epoxy_conservative_glx_version(void);
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bool epoxy_conservative_has_glx_extension(const char *name);
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int epoxy_conservative_egl_version(void);
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bool epoxy_conservative_has_egl_extension(const char *name);
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bool epoxy_conservative_has_wgl_extension(const char *name);
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bool epoxy_extension_in_string(const char *extension_list, const char *ext);
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#define glBegin_unwrapped epoxy_glBegin_unwrapped
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#define glEnd_unwrapped epoxy_glEnd_unwrapped
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extern void UNWRAPPED_PROTO(glBegin_unwrapped)(GLenum primtype);
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extern void UNWRAPPED_PROTO(glEnd_unwrapped)(void);
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#if USING_DISPATCH_TABLE
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void gl_init_dispatch_table(void);
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void gl_switch_to_dispatch_table(void);
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void wgl_init_dispatch_table(void);
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void wgl_switch_to_dispatch_table(void);
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extern uint32_t gl_tls_index, gl_tls_size;
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extern uint32_t wgl_tls_index, wgl_tls_size;
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#define wglMakeCurrent_unwrapped epoxy_wglMakeCurrent_unwrapped
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#define wglMakeContextCurrentARB_unwrapped epoxy_wglMakeContextCurrentARB_unwrapped
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#define wglMakeContextCurrentEXT_unwrapped epoxy_wglMakeContextCurrentEXT_unwrapped
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#define wglMakeAssociatedContextCurrentAMD_unwrapped epoxy_wglMakeAssociatedContextCurrentAMD_unwrapped
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extern BOOL UNWRAPPED_PROTO(wglMakeCurrent_unwrapped)(HDC hdc, HGLRC hglrc);
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extern BOOL UNWRAPPED_PROTO(wglMakeContextCurrentARB_unwrapped)(HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
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extern BOOL UNWRAPPED_PROTO(wglMakeContextCurrentEXT_unwrapped)(HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
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extern BOOL UNWRAPPED_PROTO(wglMakeAssociatedContextCurrentAMD_unwrapped)(HGLRC hglrc);
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#endif /* _WIN32_ */
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