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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 glx_display
/// @{
/// @file
#include "glx_display.h"
#include <stdlib.h>
#include <GL/glx.h>
#include <waffle/native.h>
#include <waffle/waffle_enum.h>
#include <waffle/waffle_gl_misc.h>
#include <waffle/core/wcore_error.h>
#include <waffle/linux/linux_platform.h>
#include <waffle/x11/x11.h>
#include "glx_priv_types.h"
static bool
glx_display_set_extensions(struct glx_display *self)
{
const char *s = glXQueryExtensionsString(self->xlib_display,
self->screen);
if (!s) {
wcore_errorf(WAFFLE_UNKNOWN_ERROR,
"glXQueryExtensionsString failed");
return false;
}
self->extensions.ARB_create_context = waffle_is_extension_in_string(s, "GLX_ARB_create_context");
self->extensions.ARB_create_context_profile = waffle_is_extension_in_string(s, "GLX_ARB_create_context_profile");
self->extensions.EXT_create_context_es2_profile = waffle_is_extension_in_string(s, "GLX_EXT_create_context_es2_profile");
return true;
}
union native_display*
glx_display_connect(
union native_platform *platform,
const char *name)
{
bool ok = true;
union native_display *self;
NATIVE_ALLOC(self, glx);
if (!self) {
wcore_error(WAFFLE_OUT_OF_MEMORY);
return NULL;
}
self->glx->platform = platform;
ok &= x11_display_connect(name,
&self->glx->xlib_display,
&self->glx->xcb_connection);
if (!ok)
goto error;
ok = glx_display_set_extensions(self->glx);
if (!ok)
goto error;
return self;
error:
glx_display_disconnect(self);
return NULL;
}
bool
glx_display_disconnect(union native_display *self)
{
bool ok = true;
if (!self)
return true;
if (self->glx->xlib_display)
ok &= x11_display_disconnect(self->glx->xlib_display);
free(self);
return ok;
}
bool
glx_display_supports_context_api(
union native_display *self,
int32_t context_api)
{
struct linux_platform *linux_plat = self->glx->platform->glx->linux_;
switch (context_api) {
case WAFFLE_CONTEXT_OPENGL:
return true;
case WAFFLE_CONTEXT_OPENGL_ES1:
return false;
case WAFFLE_CONTEXT_OPENGL_ES2:
return self->glx->extensions.EXT_create_context_es2_profile
&& linux_platform_dl_can_open(linux_plat,
WAFFLE_DL_OPENGL_ES2);
default:
wcore_error_internal("waffle_context_api has bad value %#x",
context_api);
return false;
}
}
/// @}
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