blob: 624c6f9483bd24d808dd3cbd64f95eb64973af7c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/x/x11_gl_egl_utility.h"
#include "ui/base/x/x11_util.h"
#include "ui/gl/gl_surface_egl.h"
#ifndef EGL_ANGLE_x11_visual
#define EGL_ANGLE_x11_visual 1
#define EGL_X11_VISUAL_ID_ANGLE 0x33A3
#endif /* EGL_ANGLE_x11_visual */
#ifndef EGL_ANGLE_platform_angle_null
#define EGL_ANGLE_platform_angle_null 1
#define EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE 0x33AE
#endif /* EGL_ANGLE_platform_angle_null */
#ifndef EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE
#define EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE 0x348F
#endif
#ifndef EGL_PLATFORM_ANGLE_DEVICE_TYPE_SWIFTSHADER_ANGLE
#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_SWIFTSHADER_ANGLE 0x3487
#endif
#ifndef EGL_ANGLE_platform_angle
#define EGL_ANGLE_platform_angle 1
#define EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE 0x348F
#endif /* EGL_ANGLE_platform_angle */
#ifndef EGL_EXT_platform_x11
#define EGL_EXT_platform_x11 1
#define EGL_PLATFORM_X11_EXT 0x31D5
#endif /* EGL_EXT_platform_x11 */
namespace ui {
void GetPlatformExtraDisplayAttribs(EGLenum platform_type,
std::vector<EGLAttrib>* attributes) {
attributes->push_back(EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE);
attributes->push_back(EGL_PLATFORM_X11_EXT);
}
void ChoosePlatformCustomAlphaAndBufferSize(EGLint* alpha_size,
EGLint* buffer_size) {
// If we're using ANGLE_NULL, we may not have a display, in which case we
// can't use XVisualManager.
if (gl::GLSurfaceEGL::GetNativeDisplay() != EGL_DEFAULT_DISPLAY) {
uint8_t depth;
XVisualManager::GetInstance()->ChooseVisualForWindow(true, nullptr, &depth,
nullptr, nullptr);
*buffer_size = depth;
*alpha_size = *buffer_size == 32 ? 8 : 0;
}
}
bool IsTransparentBackgroundSupported() {
return ui::XVisualManager::GetInstance()->ArgbVisualAvailable();
}
} // namespace ui
|
