[PATCH] wined3d: Implement WINED3DFMT_B8G8R8X8_UNORM to WINED3DFMT_L8_UNORM conversion.

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[PATCH] wined3d: Implement WINED3DFMT_B8G8R8X8_UNORM to WINED3DFMT_L8_UNORM conversion.

Vijay Kiran Kamuju
From: Stanislav Zhukov <[hidden email]>

This is similar to bug 21629

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=44888
Signed-off-by: Stanislav Zhukov <[hidden email]>
Signed-off-by: Vijay Kiran Kamuju <[hidden email]>
---
 dlls/wined3d/surface.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index 48ca35bb3b3..7ef187ca966 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -574,6 +574,25 @@ static void convert_yuy2_r5g6b5(const BYTE *src, BYTE *dst,
     }
 }
 
+static void convert_x8r8g8b8_l8(const BYTE *src, BYTE *dst,
+        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
+{
+    unsigned int x, y;
+
+    TRACE("Converting %ux%u pixels, pitches %u %u.\n", w, h, pitch_in, pitch_out);
+
+    for (y = 0; y < h; ++y)
+    {
+        const DWORD *src_line = (const DWORD *)(src + y * pitch_in);
+        BYTE *dst_line = (BYTE *)(dst + y * pitch_out);
+
+        for (x = 0; x < w; ++x)
+        {
+            dst_line[x] = src_line[x] & 0x000000ff;
+        }
+    }
+}
+
 struct d3dfmt_converter_desc
 {
     enum wined3d_format_id from, to;
@@ -588,6 +607,7 @@ static const struct d3dfmt_converter_desc converters[] =
     {WINED3DFMT_B8G8R8X8_UNORM, WINED3DFMT_B8G8R8A8_UNORM,  convert_a8r8g8b8_x8r8g8b8},
     {WINED3DFMT_YUY2,           WINED3DFMT_B8G8R8X8_UNORM,  convert_yuy2_x8r8g8b8},
     {WINED3DFMT_YUY2,           WINED3DFMT_B5G6R5_UNORM,    convert_yuy2_r5g6b5},
+    {WINED3DFMT_B8G8R8X8_UNORM, WINED3DFMT_L8_UNORM,        convert_x8r8g8b8_l8},
 };
 
 static inline const struct d3dfmt_converter_desc *find_converter(enum wined3d_format_id from,
--
2.17.0



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Re: [PATCH] wined3d: Implement WINED3DFMT_B8G8R8X8_UNORM to WINED3DFMT_L8_UNORM conversion.

Józef Kucia
On Sat, Apr 20, 2019 at 10:55 PM Vijay Kiran Kamuju <[hidden email]> wrote:

>
> From: Stanislav Zhukov <[hidden email]>
>
> This is similar to bug 21629
>
> Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=44888
> Signed-off-by: Stanislav Zhukov <[hidden email]>
> Signed-off-by: Vijay Kiran Kamuju <[hidden email]>
> ---
>  dlls/wined3d/surface.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)

Please add a test case.