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From c76f5d2c0a0dda534888025d7236465202884665 Mon Sep 17 00:00:00 2001
From: Xianzhong <xianzhong.li@nxp.com>
Date: Thu, 5 Aug 2021 16:57:43 +0800
Subject: [PATCH] glamor: Fix fbo pixmap format with GL_BGRA_EXT
Red and Blue channels are swizzled in GLES path,
Fix color inverse problem with ximagesink command:
gst-launch-1.0 videotestsrc pattern=6 num-buffers=1 ! video/x-raw,format=BGRx ! videoconvert ! ximagesink display=:0 -v
This fix requires GL_EXT_texture_format_BGRA8888 extention, not applicable for upstream.
Upstream-Status: Inappropriate
Signed-off-by: Xianzhong <xianzhong.li@nxp.com>
---
glamor/glamor.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/glamor/glamor.c
+++ b/glamor/glamor.c
@@ -586,10 +586,17 @@ glamor_setup_formats(ScreenPtr screen)
if (glamor_priv->is_gles) {
assert(X_BYTE_ORDER == X_LITTLE_ENDIAN);
+#if GL_EXT_texture_format_BGRA8888
+ glamor_add_format(screen, 24, PICT_x8r8g8b8,
+ GL_BGRA_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE, TRUE);
+ glamor_add_format(screen, 32, PICT_a8r8g8b8,
+ GL_BGRA_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE, TRUE);
+#else
glamor_add_format(screen, 24, PICT_x8b8g8r8,
GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, TRUE);
glamor_add_format(screen, 32, PICT_a8b8g8r8,
GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, TRUE);
+#endif
} else {
glamor_add_format(screen, 24, PICT_x8r8g8b8,
GL_RGBA, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, TRUE);
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