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| author | bsalomon@google.com <bsalomon@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-10-18 11:20:04 +0000 |
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| committer | bsalomon@google.com <bsalomon@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-10-18 11:20:04 +0000 |
| commit | c01ab130e0a681458e0fee41d6261c7ea37e1743 (patch) | |
| tree | 823ee340378891a9902a252a3267931b753dacff /gpu/GLES2 | |
| parent | 8be161672d8d89525050cb678ecc4ea554f18c00 (diff) | |
| download | chromium_src-c01ab130e0a681458e0fee41d6261c7ea37e1743.zip chromium_src-c01ab130e0a681458e0fee41d6261c7ea37e1743.tar.gz chromium_src-c01ab130e0a681458e0fee41d6261c7ea37e1743.tar.bz2 | |
Add renderbuffer BGRA8 format extension and support in cmd buffer for desktop GL. This enables development of a canvas2d msaa flag on desktop systems that use BGRA for canvas2d.
BUG=308277
Review URL: https://codereview.chromium.org/27542003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229359 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'gpu/GLES2')
| -rw-r--r-- | gpu/GLES2/extensions/CHROMIUM/CHROMIUM_renderbuffer_format_BGRA8888.txt | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_renderbuffer_format_BGRA8888.txt b/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_renderbuffer_format_BGRA8888.txt new file mode 100644 index 0000000..75a1471 --- /dev/null +++ b/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_renderbuffer_format_BGRA8888.txt @@ -0,0 +1,58 @@ +Name + + CHROMIUM_renderbuffer_format_BGRA8888 + +Name Strings + + GL_CHROMIUM_renderbuffer_format_BGRA8888 + +Version + + Last Modifed Date: Oct 16, 2013 + +Dependencies + + OpenGL ES 2.0 is required. + GL_EXT_texture_format_BGRA8888 is required. + +Overview + + EXT_texture_format_BGRA8888 adds a BGRA8_EXT as a legal internal texture + format. This extension also allows BGRA8_EXT as a renderbuffer internal + format. It is particularly useful when ANGLE_framebuffer_multisample or + a similar extension is also present as it allows creating a multisampled + BGRA8 renderbuffer that can be downsampled into a BGRA8 texture. + +New Tokens + + None + +Additions to the OpenGL ES 2.0 Specification + + Modifications to Table 4.5 (Renderbuffer image formats) + + Add the following entry: + Sized Internal Format Renderable Type R bits G bits B bits A bits D bits S bits + ===================== =============== ====== ====== ====== ====== ====== ====== + BGRA8_EXT color-renderable 8 8 8 8 + +Interactions with GL_ANGLE_framebuffer_multisample + + If ANGLE_framebuffer_multisample is also present then BGRA8_EXT is a + legal parameter to RenderbufferStrorageMultisampleANGLE. + +New Procedures and Functions + + None + +Errors + + None + +New State + + None + +Revision History + + 10/16/2013 Initial version |