From be4b1c2639aefabac29089e6b9a2657147c67cea Mon Sep 17 00:00:00 2001
From: Max R <max8rr8@gmail.com>
Date: Mon, 29 Jan 2024 12:49:17 +0300
Subject: [PATCH] winsys/gdi: Handle R8G8B8 formats

R8G8B8 is often used by d3d11 applications.

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Feng Jiang <jiangfeng@kylinos.cn>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27333>
---
 src/gallium/winsys/sw/gdi/gdi_sw_winsys.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gallium/winsys/sw/gdi/gdi_sw_winsys.c b/src/gallium/winsys/sw/gdi/gdi_sw_winsys.c
index 723dd68f996..1f0d0086f81 100644
--- a/src/gallium/winsys/sw/gdi/gdi_sw_winsys.c
+++ b/src/gallium/winsys/sw/gdi/gdi_sw_winsys.c
@@ -82,6 +82,8 @@ gdi_sw_is_displaytarget_format_supported( struct sw_winsys *ws,
    case PIPE_FORMAT_B5G5R5A1_UNORM:
    case PIPE_FORMAT_B4G4R4A4_UNORM:
    case PIPE_FORMAT_R10G10B10A2_UNORM:
+   case PIPE_FORMAT_R8G8B8X8_UNORM:
+   case PIPE_FORMAT_R8G8B8A8_UNORM:
       return true;
 
    /* TODO: Support other formats possible with BMPs, as described in 
@@ -181,6 +183,11 @@ gdi_sw_displaytarget_create(struct sw_winsys *winsys,
       gdt->bmi.bV5RedMask = 0x000003FF;
       gdt->bmi.bV5GreenMask = 0x000FFC00;
       gdt->bmi.bV5BlueMask = 0x3FF00000;
+   } else if (format == PIPE_FORMAT_R8G8B8X8_UNORM || format == PIPE_FORMAT_R8G8B8A8_UNORM) {
+      gdt->bmi.bV5Compression = BI_BITFIELDS;
+      gdt->bmi.bV5RedMask = 0x0000ff;
+      gdt->bmi.bV5GreenMask = 0x00ff00;
+      gdt->bmi.bV5BlueMask = 0xff0000;
    }
 
    *stride = gdt->stride;