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// Copyright 2012 Intel Corporation
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/// @addtogroup waffle_init
/// @{
/// @file
#include "waffle_enum.h"
#include "waffle_init.h"
#include "api_priv.h"
#include "wcore_error.h"
#include "wcore_platform.h"
struct wcore_platform* cgl_platform_create(void);
struct wcore_platform* droid_platform_create(void);
struct wcore_platform* glx_platform_create(void);
struct wcore_platform* wayland_platform_create(void);
struct wcore_platform* xegl_platform_create(void);
struct wcore_platform* wgbm_platform_create(void);
static bool
waffle_init_parse_attrib_list(
const int32_t attrib_list[],
int *platform)
{
const int32_t *i;
bool found_platform = false;
for (i = attrib_list; *i != 0; i += 2) {
const int32_t attr = i[0];
const int32_t value = i[1];
switch (attr) {
case WAFFLE_PLATFORM:
switch (value) {
#define CASE_DEFINED_PLATFORM(name) \
case WAFFLE_PLATFORM_##name : \
found_platform = true; \
*platform = value; \
break;
#define CASE_UNDEFINED_PLATFORM(name) \
case WAFFLE_PLATFORM_##name : \
wcore_errorf(WAFFLE_ERROR_BUILT_WITHOUT_SUPPORT, \
"waffle was built without support for WAFFLE_PLATFORM_" #name); \
return false;
#ifdef WAFFLE_HAS_ANDROID
CASE_DEFINED_PLATFORM(ANDROID)
#else
CASE_UNDEFINED_PLATFORM(ANDROID)
#endif
#ifdef WAFFLE_HAS_CGL
CASE_DEFINED_PLATFORM(CGL)
#else
CASE_UNDEFINED_PLATFORM(CGL)
#endif
#ifdef WAFFLE_HAS_GLX
CASE_DEFINED_PLATFORM(GLX)
#else
CASE_UNDEFINED_PLATFORM(GLX)
#endif
#ifdef WAFFLE_HAS_WAYLAND
CASE_DEFINED_PLATFORM(WAYLAND)
#else
CASE_UNDEFINED_PLATFORM(WAYLAND)
#endif
#ifdef WAFFLE_HAS_X11_EGL
CASE_DEFINED_PLATFORM(X11_EGL)
#else
CASE_UNDEFINED_PLATFORM(X11_EGL)
#endif
#ifdef WAFFLE_HAS_GBM
CASE_DEFINED_PLATFORM(GBM)
#else
CASE_UNDEFINED_PLATFORM(GBM)
#endif
default:
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"WAFFLE_PLATFORM has bad value 0x%x",
value);
return false;
#undef CASE_DEFINED_PLATFORM
#undef CASE_UNDEFINED_PLATFORM
}
break;
default:
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"bad attribute name %#x", attr);
return false;
break;
}
}
if (!found_platform) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"attribute list is missing WAFFLE_PLATFORM");
return false;
}
return true;
}
static struct wcore_platform*
waffle_init_create_platform(int32_t waffle_platform)
{
switch (waffle_platform) {
#ifdef WAFFLE_HAS_ANDROID
case WAFFLE_PLATFORM_ANDROID:
return droid_platform_create();
#endif
#ifdef WAFFLE_HAS_CGL
case WAFFLE_PLATFORM_CGL:
return cgl_platform_create();
#endif
#ifdef WAFFLE_HAS_GLX
case WAFFLE_PLATFORM_GLX:
return glx_platform_create();
#endif
#ifdef WAFFLE_HAS_WAYLAND
case WAFFLE_PLATFORM_WAYLAND:
return wayland_platform_create();
#endif
#ifdef WAFFLE_HAS_X11_EGL
case WAFFLE_PLATFORM_X11_EGL:
return xegl_platform_create();
#endif
#ifdef WAFFLE_HAS_GBM
case WAFFLE_PLATFORM_GBM:
return wgbm_platform_create();
#endif
default:
assert(false);
return NULL;
}
}
bool
waffle_init(const int32_t *attrib_list)
{
bool ok = true;
int platform;
wcore_error_reset();
if (api_platform) {
wcore_error(WAFFLE_ERROR_ALREADY_INITIALIZED);
return false;
}
ok &= waffle_init_parse_attrib_list(attrib_list, &platform);
if (!ok)
return false;
api_platform = waffle_init_create_platform(platform);
if (!api_platform)
return false;
return true;
}
/// @}
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