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refactor(adb): simplify reading sync responses

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This commit is contained in:
Simon Chan 2022-10-07 20:33:11 +08:00
parent c9000c5beb
commit 1486eed3cf
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18 changed files with 164 additions and 183 deletions
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30
libraries/adb/src/commands/framebuffer.ts
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@ -7,19 +7,6 @@ const Version =
new Struct({ littleEndian: true })
.uint32('version');
/*
* ADB uses 8 int32 fields to describe bit depths
* The only combination I have seen is RGBA8888, which is
* red_offset: 0
* red_length: 8
* blue_offset: 16
* blue_length: 8
* green_offset: 8
* green_length: 8
* alpha_offset: 24
* alpha_length: 8
*/
export const AdbFrameBufferV1 =
new Struct({ littleEndian: true })
.uint32('bpp')
@ -57,6 +44,22 @@ export const AdbFrameBufferV2 =
export type AdbFrameBufferV2 = typeof AdbFrameBufferV2['TDeserializeResult'];
/**
* ADB uses 8 int32 fields to describe bit depths
*
* The only combination I have seen is RGBA8888, which is
*
* red_offset: 0
* red_length: 8
* blue_offset: 16
* blue_length: 8
* green_offset: 8
* green_length: 8
* alpha_offset: 24
* alpha_length: 8
*
* But it doesn't mean that other combinations are not possible.
*/
export type AdbFrameBuffer = AdbFrameBufferV1 | AdbFrameBufferV2;
export async function framebuffer(adb: Adb): Promise<AdbFrameBuffer> {
@ -65,6 +68,7 @@ export async function framebuffer(adb: Adb): Promise<AdbFrameBuffer> {
const { version } = await Version.deserialize(stream);
switch (version) {
case 1:
// TODO: AdbFrameBuffer: does all v1 responses uses the same color space? Add it so the command returns same format for all versions.
return AdbFrameBufferV1.deserialize(stream);
case 2:
return AdbFrameBufferV2.deserialize(stream);