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d2d1: Take the bitmap's alpha mode into account in bitmap brushes.

This commit is contained in:
Henri Verbeet 2015-07-29 11:36:21 +02:00 committed by Alexandre Julliard
parent d742887b7f
commit c4503779bb
2 changed files with 24 additions and 17 deletions
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24
dlls/d2d1/brush.c
View File

@ -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
{

15
dlls/d2d1/render_target.c
View File

@ -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);
if (ignore_alpha)
ret.a = opacity;
else
ret.a *= opacity;
return ret;
}
#endif
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};
/* 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. */