Set the alpha mask fixing software rendering in OpenGL

--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403256

Set the alpha mask fixing software rendering in OpenGL
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403256
8ae88d79 · Sam Lantinga · ad090cd0 · 8ae88d79
Commit 8ae88d79 authored Nov 27, 2008 by Sam Lantinga
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SDL_yuv_sw.c src/video/SDL_yuv_sw.c +3 -0

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--- a/src/video/SDL_yuv_sw.c
+++ b/src/video/SDL_yuv_sw.c
@@ -939,10 +939,13 @@ SDL_SW_SetupYUVDisplay(SDL_SW_YUVTexture * swdata, Uint32 target_format)
    for (i = 0; i < 256; ++i) {
        r_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(Rmask));
        r_2_pix_alloc[i + 256] <<= free_bits_at_bottom(Rmask);
+        r_2_pix_alloc[i + 256] |= Amask;
        g_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(Gmask));
        g_2_pix_alloc[i + 256] <<= free_bits_at_bottom(Gmask);
+        g_2_pix_alloc[i + 256] |= Amask;
        b_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(Bmask));
        b_2_pix_alloc[i + 256] <<= free_bits_at_bottom(Bmask);
+        b_2_pix_alloc[i + 256] |= Amask;
    }

    /*