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df9468565c
AHARDWAREBUFFER_FORMAT_R8G8B8X8_UNORM was false mapped to GL_RGB8, which will write back to the backing exteranl storage with 3 channel layout. Angle actually has ANGLE_rgbx_internal_format to fix the mapping with GL_RGBX8_ANGLE. However, the load function must align with GL_RGB8 if the actual storage is 4 channel. This change also fixes that to use LoadToNative3To4<GLubyte, 0xFF>. Bug: b/238460927 Test: CtsNativeHardwareTestCases#SingleLayer_ColorTest_*_R8G8B8X8_* Test: ImageTestES3.RGBXAHB* pass without VVL error Change-Id: Ic5db4cb4adba252949d64e560ff32e492a045912 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3846413 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Lingfeng Yang <lfy@google.com>
73 lines
1.3 KiB
Plaintext
73 lines
1.3 KiB
Plaintext
Name
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ANGLE_rgbx_internal_format
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Name Strings
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GL_ANGLE_rgbx_internal_format
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Contributors
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Tim Van Patten, Google
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Contacts
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Tim Van Patten, Google (timvp 'at' google 'dot' com)
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Notice
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Copyright (c) 2021 The Khronos Group Inc. Copyright terms at
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http://www.khronos.org/registry/speccopyright.html
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Status
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Draft.
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Version
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Version 1, November 22, 2021
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Number
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OpenGL ES Extension ###
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Dependencies
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OpenGL ES 2.0 is required.
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Overview
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This extension introduces a sized internal RGBX format. This is a 32-bit representation of the
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24-bit RGB format, with the Alpha channel ignored.
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glBlitFramebuffer() will treat RGBX8 as RGB8 when validating the formats for the READ and DRAW
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framebuffers match, since the X channel is ignored.
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glReadPixels() will accept the following format+type combinations:
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1. format = GL_RGBX8_ANGLE, type = GL_UNSIGNED_BYTE
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glTexSubImage* will accept the following format+type combinations:
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1. format = GL_RGB, type = GL_UNSIGNED_BYTE
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New Types
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None.
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New Procedures and Functions
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None.
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New Tokens
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// 32-bit RGBX format
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GL_RGBX8_ANGLE 0x96BA
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Issues
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None.
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Revision History
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#1 - (November 22, 2021) Tim Van Patten
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Original draft
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