=?UTF-8?Q?J=C3=B3zef=20Kucia=20?=: wined3d: Use wined3d_bit_scan() in find_draw_buffers_mask().
Alexandre Julliard
julliard at winehq.org
Wed Feb 28 15:39:33 CST 2018
Module: wine
Branch: master
Commit: e27141e01545d55c4b0b8584a859f506aaa7ae43
URL: https://source.winehq.org/git/wine.git/?a=commit;h=e27141e01545d55c4b0b8584a859f506aaa7ae43
Author: Józef Kucia <jkucia at codeweavers.com>
Date: Wed Feb 28 12:12:37 2018 +0100
wined3d: Use wined3d_bit_scan() in find_draw_buffers_mask().
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/wined3d/context.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/dlls/wined3d/context.c b/dlls/wined3d/context.c
index 4282cfb..975a79c 100644
--- a/dlls/wined3d/context.c
+++ b/dlls/wined3d/context.c
@@ -3128,7 +3128,7 @@ static DWORD find_draw_buffers_mask(const struct wined3d_context *context, const
{
struct wined3d_rendertarget_view * const *rts = state->fb->render_targets;
struct wined3d_shader *ps = state->shader[WINED3D_SHADER_TYPE_PIXEL];
- DWORD rt_mask, rt_mask_bits;
+ DWORD rt_mask, mask;
unsigned int i;
if (wined3d_settings.offscreen_rendering_mode != ORM_FBO)
@@ -3138,15 +3138,13 @@ static DWORD find_draw_buffers_mask(const struct wined3d_context *context, const
rt_mask = ps ? ps->reg_maps.rt_mask : 1;
rt_mask &= context->d3d_info->valid_rt_mask;
- rt_mask_bits = rt_mask;
- i = 0;
- while (rt_mask_bits)
+
+ mask = rt_mask;
+ while (mask)
{
- rt_mask_bits &= ~(1u << i);
+ i = wined3d_bit_scan(&mask);
if (!rts[i] || rts[i]->format->id == WINED3DFMT_NULL)
rt_mask &= ~(1u << i);
-
- i++;
}
return rt_mask;
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