Attachment 142551 Details for Bug 108805 – Fix swizzling for sRGB_R8

[patch] Fix swizzling for sRGB_R8

0001-i965-only-set-swizzle-to-zero-for-unsigned-byte-data.patch (text/plain), 1.22 KB, created by Gert Wollny on 2018-11-21 18:42:58 UTC

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Creator: Gert Wollny

Created: 2018-11-21 18:42:58 UTC

Size: 1.22 KB

patch

obsolete

>From 879e374c0042cb68b26cc7350d31cec62c2cc342 Mon Sep 17 00:00:00 2001
>From: Gert Wollny <gert.wollny@collabora.com>
>Date: Tue, 20 Nov 2018 22:34:31 +0100
>Subject: [PATCH 1/2] i965: only set swizzle to zero for unsigned byte data
> type
>
>---
> src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
>diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
>index 018bae98e8..4daa0e2add 100644
>--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
>+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
>@@ -420,11 +420,15 @@ brw_get_texture_swizzle(const struct gl_context *ctx,
>       }
>       break;
>    case GL_RED:
>-      swizzles[1] = SWIZZLE_ZERO;
>+      if (img->TexFormat == MESA_FORMAT_R_SRGB8) {
>+         swizzles[0] = SWIZZLE_X;
>+         swizzles[1] = SWIZZLE_ZERO;
>+         swizzles[2] = SWIZZLE_ZERO;
>+         swizzles[3] = SWIZZLE_ONE;
>+         break;
>+      }
>       /* fallthrough */
>    case GL_RG:
>-      swizzles[2] = SWIZZLE_ZERO;
>-      /* fallthrough */
>    case GL_RGB:
>       if (_mesa_get_format_bits(img->TexFormat, GL_ALPHA_BITS) > 0 ||
>           img->TexFormat == MESA_FORMAT_RGB_DXT1 ||
>-- 
>2.19.1
>

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Attachments on bug 108805: 142534 | 142551 | 142555

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