From c4503779bb82a03016cb05c815390b378f314fd9 Mon Sep 17 00:00:00 2001
From: Henri Verbeet <hverbeet@codeweavers.com>
Date: Wed, 29 Jul 2015 11:36:21 +0200
Subject: [PATCH] d2d1: Take the bitmap's alpha mode into account in bitmap
 brushes.

---
 dlls/d2d1/brush.c         | 24 +++++++++++++-----------
 dlls/d2d1/render_target.c | 17 +++++++++++------
 2 files changed, 24 insertions(+), 17 deletions(-)

diff --git a/dlls/d2d1/brush.c b/dlls/d2d1/brush.c
index fb40f3dec33..b968a65c7b0 100644
--- a/dlls/d2d1/brush.c
+++ b/dlls/d2d1/brush.c
@@ -728,8 +728,9 @@ HRESULT d2d_brush_get_ps_cb(struct d2d_brush *brush, struct d2d_d3d_render_targe
     struct
     {
         float _11, _21, _31, pad0;
-        float _12, _22, _32, pad1;
-    } transform;
+        float _12, _22, _32, opacity;
+        BOOL ignore_alpha;
+    } bitmap_brush_cb;
     D2D1_COLOR_F color;
     HRESULT hr;
 
@@ -783,17 +784,18 @@ HRESULT d2d_brush_get_ps_cb(struct d2d_brush *brush, struct d2d_d3d_render_targe
         d = b._11 * b._22 - b._21 * b._12;
         if (d != 0.0f)
         {
-            transform._11 = b._22 / d;
-            transform._21 = -b._21 / d;
-            transform._31 = (b._21 * b._32 - b._31 * b._22) / d;
-            transform._12 = -b._12 / d;
-            transform._22 = b._11 / d;
-            transform._32 = -(b._11 * b._32 - b._31 * b._12) / d;
+            bitmap_brush_cb._11 = b._22 / d;
+            bitmap_brush_cb._21 = -b._21 / d;
+            bitmap_brush_cb._31 = (b._21 * b._32 - b._31 * b._22) / d;
+            bitmap_brush_cb._12 = -b._12 / d;
+            bitmap_brush_cb._22 = b._11 / d;
+            bitmap_brush_cb._32 = -(b._11 * b._32 - b._31 * b._12) / d;
         }
-        transform.pad1 = brush->opacity;
+        bitmap_brush_cb.opacity = brush->opacity;
+        bitmap_brush_cb.ignore_alpha = bitmap->format.alphaMode == D2D1_ALPHA_MODE_IGNORE;
 
-        buffer_desc.ByteWidth = sizeof(transform);
-        buffer_data.pSysMem = &transform;
+        buffer_desc.ByteWidth = sizeof(bitmap_brush_cb);
+        buffer_data.pSysMem = &bitmap_brush_cb;
     }
     else
     {
diff --git a/dlls/d2d1/render_target.c b/dlls/d2d1/render_target.c
index 1c641e7b9ca..ead6b292d1e 100644
--- a/dlls/d2d1/render_target.c
+++ b/dlls/d2d1/render_target.c
@@ -1564,6 +1564,7 @@ HRESULT d2d_d3d_render_target_init(struct d2d_d3d_render_target *render_target,
 #if 0
         float3x2 transform;
         float opacity;
+        bool ignore_alpha;
 
         SamplerState s;
         Texture2D t;
@@ -1576,26 +1577,30 @@ HRESULT d2d_d3d_render_target_init(struct d2d_d3d_render_target *render_target,
             texcoord.x = position.x * transform._11 + position.y * transform._21 + transform._31;
             texcoord.y = position.x * transform._12 + position.y * transform._22 + transform._32;
             ret = t.Sample(s, texcoord);
-            ret.a *= opacity;
+            if (ignore_alpha)
+                ret.a = opacity;
+            else
+                ret.a *= opacity;
 
             return ret;
         }
 #endif
-        0x43425844, 0x9a5f9280, 0xa5351c23, 0x15d6e760, 0xce35bcc3, 0x00000001, 0x000001d0, 0x00000003,
+        0x43425844, 0xf2e9967c, 0xad1d1ac2, 0x865274b8, 0x6ab4c5ca, 0x00000001, 0x000001fc, 0x00000003,
         0x0000002c, 0x00000060, 0x00000094, 0x4e475349, 0x0000002c, 0x00000001, 0x00000008, 0x00000020,
         0x00000000, 0x00000001, 0x00000003, 0x00000000, 0x0000030f, 0x505f5653, 0x5449534f, 0x004e4f49,
         0x4e47534f, 0x0000002c, 0x00000001, 0x00000008, 0x00000020, 0x00000000, 0x00000000, 0x00000003,
-        0x00000000, 0x0000000f, 0x545f5653, 0x65677261, 0xabab0074, 0x52444853, 0x00000134, 0x00000040,
-        0x0000004d, 0x04000059, 0x00208e46, 0x00000000, 0x00000002, 0x0300005a, 0x00106000, 0x00000000,
+        0x00000000, 0x0000000f, 0x545f5653, 0x65677261, 0xabab0074, 0x52444853, 0x00000160, 0x00000040,
+        0x00000058, 0x04000059, 0x00208e46, 0x00000000, 0x00000003, 0x0300005a, 0x00106000, 0x00000000,
         0x04001858, 0x00107000, 0x00000000, 0x00005555, 0x04002064, 0x00101032, 0x00000000, 0x00000001,
         0x03000065, 0x001020f2, 0x00000000, 0x02000068, 0x00000001, 0x0800000f, 0x00100012, 0x00000000,
         0x00101046, 0x00000000, 0x00208046, 0x00000000, 0x00000000, 0x08000000, 0x00100012, 0x00000000,
         0x0010000a, 0x00000000, 0x0020802a, 0x00000000, 0x00000000, 0x0800000f, 0x00100042, 0x00000000,
         0x00101046, 0x00000000, 0x00208046, 0x00000000, 0x00000001, 0x08000000, 0x00100022, 0x00000000,
         0x0010002a, 0x00000000, 0x0020802a, 0x00000000, 0x00000001, 0x09000045, 0x001000f2, 0x00000000,
-        0x00100046, 0x00000000, 0x00107e46, 0x00000000, 0x00106000, 0x00000000, 0x08000038, 0x00102082,
+        0x00100046, 0x00000000, 0x00107e46, 0x00000000, 0x00106000, 0x00000000, 0x08000038, 0x00100082,
         0x00000000, 0x0010003a, 0x00000000, 0x0020803a, 0x00000000, 0x00000001, 0x05000036, 0x00102072,
-        0x00000000, 0x00100246, 0x00000000, 0x0100003e,
+        0x00000000, 0x00100246, 0x00000000, 0x0b000037, 0x00102082, 0x00000000, 0x0020800a, 0x00000000,
+        0x00000002, 0x0020803a, 0x00000000, 0x00000001, 0x0010003a, 0x00000000, 0x0100003e,
     };
     /* The basic idea here is to evaluate the implicit form of the curve in
      * texture space. "t.z" determines which side of the curve is shaded. */
-- 
2.11.4.GIT