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体验新版 GitCode,发现更多精彩内容 >>
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dd453469
编写于
2月 01, 2017
作者:
C
Chinmay Garde
提交者:
GitHub
2月 01, 2017
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差异文件
[Vulkan] Try a desired list of surface formats before picking one at random. (#3384)
上级
01afda49
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
47 addition
and
3 deletion
+47
-3
vulkan/vulkan_device.cc
vulkan/vulkan_device.cc
+29
-2
vulkan/vulkan_swapchain.cc
vulkan/vulkan_swapchain.cc
+18
-1
未找到文件。
vulkan/vulkan_device.cc
浏览文件 @
dd453469
...
...
@@ -5,6 +5,7 @@
#include "flutter/vulkan/vulkan_device.h"
#include <limits>
#include <map>
#include <vector>
#include "flutter/vulkan/vulkan_proc_table.h"
...
...
@@ -273,14 +274,40 @@ bool VulkanDevice::ChooseSurfaceFormat(const VulkanSurface& surface,
return
false
;
}
std
::
map
<
VkFormat
,
VkSurfaceFormatKHR
>
supported_formats
;
for
(
uint32_t
i
=
0
;
i
<
format_count
;
i
++
)
{
if
(
GrVkFormatToPixelConfig
(
formats
[
i
].
format
,
nullptr
/* dont care */
))
{
*
format
=
formats
[
i
];
supported_formats
[
formats
[
i
].
format
]
=
formats
[
i
];
}
}
if
(
supported_formats
.
size
()
==
0
)
{
return
false
;
}
const
std
::
vector
<
VkFormat
>
desired_formats
=
{
VK_FORMAT_R8G8B8A8_SRGB
,
// kSRGBA_8888_GrPixelConfig
VK_FORMAT_B8G8R8A8_SRGB
,
// kSBGRA_8888_GrPixelConfig
VK_FORMAT_R16G16B16A16_SFLOAT
// kRGBA_half_GrPixelConfig
VK_FORMAT_R8G8B8A8_UNORM
,
// kRGBA_8888_GrPixelConfig
VK_FORMAT_B8G8R8A8_UNORM
,
// kBGRA_8888_GrPixelConfig
};
// Try to find the first supported format in the list of desired formats.
for
(
VkFormat
current_format
:
desired_formats
)
{
auto
found
=
supported_formats
.
find
(
current_format
);
if
(
found
!=
supported_formats
.
end
())
{
*
format
=
found
->
second
;
return
true
;
}
}
return
false
;
// None of the desired formats were supported. Return the first supported
// format even if we don't like it all that much (it has already returned true
// for GrVkFormatToPixelConfig).
*
format
=
supported_formats
.
begin
()
->
second
;
return
true
;
}
bool
VulkanDevice
::
ChoosePresentMode
(
const
VulkanSurface
&
surface
,
...
...
vulkan/vulkan_swapchain.cc
浏览文件 @
dd453469
...
...
@@ -170,6 +170,18 @@ SkISize VulkanSwapchain::GetSize() const {
return
SkISize
::
Make
(
extents
.
width
,
extents
.
height
);
}
static
sk_sp
<
SkColorSpace
>
SkColorSpaceFromVkFormat
(
VkFormat
format
)
{
if
(
GrVkFormatIsSRGB
(
format
,
nullptr
/* dont care */
))
{
return
SkColorSpace
::
MakeNamed
(
SkColorSpace
::
Named
::
kSRGB_Named
);
}
if
(
format
==
VK_FORMAT_R16G16B16A16_SFLOAT
)
{
return
SkColorSpace
::
MakeNamed
(
SkColorSpace
::
Named
::
kSRGBLinear_Named
);
}
return
nullptr
;
}
sk_sp
<
SkSurface
>
VulkanSwapchain
::
CreateSkiaSurface
(
GrContext
*
gr_context
,
VkImage
image
,
const
SkISize
&
size
)
const
{
...
...
@@ -207,7 +219,12 @@ sk_sp<SkSurface> VulkanSwapchain::CreateSkiaSurface(GrContext* gr_context,
SkSurfaceProps
props
(
SkSurfaceProps
::
InitType
::
kLegacyFontHost_InitType
);
return
SkSurface
::
MakeFromBackendRenderTarget
(
gr_context
,
desc
,
&
props
);
return
SkSurface
::
MakeFromBackendRenderTarget
(
gr_context
,
// context
desc
,
// backend render target description
SkColorSpaceFromVkFormat
(
surface_format_
.
format
),
// colorspace
&
props
// surface properties
);
}
bool
VulkanSwapchain
::
CreateSwapchainImages
(
GrContext
*
skia_context
)
{
...
...
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