Henri Verbeet : wined3d: Introduce wined3d_mask_from_size().
Alexandre Julliard
julliard at winehq.org
Mon Jun 7 16:30:36 CDT 2021
Module: wine
Branch: master
Commit: cc31ca8885a9a6977db35ba8e0f65408c3b063cd
URL: https://source.winehq.org/git/wine.git/?a=commit;h=cc31ca8885a9a6977db35ba8e0f65408c3b063cd
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date: Mon Jun 7 16:55:08 2021 +0200
wined3d: Introduce wined3d_mask_from_size().
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/wined3d/surface.c | 8 ++++----
dlls/wined3d/utils.c | 10 +++++-----
dlls/wined3d/wined3d_private.h | 5 +++++
3 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index c5d7a7d9d55..8a4ca4f5781 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -36,11 +36,11 @@ WINE_DECLARE_DEBUG_CHANNEL(d3d_perf);
static const DWORD surface_simple_locations = WINED3D_LOCATION_SYSMEM | WINED3D_LOCATION_BUFFER;
/* Works correctly only for <= 4 bpp formats. */
-static void get_color_masks(const struct wined3d_format *format, DWORD *masks)
+static void get_color_masks(const struct wined3d_format *format, uint32_t *masks)
{
- masks[0] = ((1u << format->red_size) - 1) << format->red_offset;
- masks[1] = ((1u << format->green_size) - 1) << format->green_offset;
- masks[2] = ((1u << format->blue_size) - 1) << format->blue_offset;
+ masks[0] = wined3d_mask_from_size(format->red_size) << format->red_offset;
+ masks[1] = wined3d_mask_from_size(format->green_size) << format->green_offset;
+ masks[2] = wined3d_mask_from_size(format->blue_size) << format->blue_offset;
}
/* See also float_16_to_32() in wined3d_private.h */
diff --git a/dlls/wined3d/utils.c b/dlls/wined3d/utils.c
index b39fb46cadc..8eacc52ee2c 100644
--- a/dlls/wined3d/utils.c
+++ b/dlls/wined3d/utils.c
@@ -5902,7 +5902,7 @@ DWORD wined3d_format_convert_from_float(const struct wined3d_format *format, con
static float color_to_float(DWORD color, DWORD size, DWORD offset)
{
- DWORD mask = size < 32 ? (1u << size) - 1 : ~0u;
+ uint32_t mask = wined3d_mask_from_size(size);
if (!size)
return 1.0f;
@@ -5938,10 +5938,10 @@ void wined3d_format_get_float_color_key(const struct wined3d_format *format,
case WINED3DFMT_R8G8B8X8_UNORM:
case WINED3DFMT_R16G16_UNORM:
case WINED3DFMT_B10G10R10A2_UNORM:
- slop.r = 0.5f / ((1u << format->red_size) - 1);
- slop.g = 0.5f / ((1u << format->green_size) - 1);
- slop.b = 0.5f / ((1u << format->blue_size) - 1);
- slop.a = 0.5f / ((1u << format->alpha_size) - 1);
+ slop.r = 0.5f / wined3d_mask_from_size(format->red_size);
+ slop.g = 0.5f / wined3d_mask_from_size(format->green_size);
+ slop.b = 0.5f / wined3d_mask_from_size(format->blue_size);
+ slop.a = 0.5f / wined3d_mask_from_size(format->alpha_size);
float_colors[0].r = color_to_float(key->color_space_low_value, format->red_size, format->red_offset)
- slop.r;
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index b0f8ea1bf93..6d41f02e842 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -5959,6 +5959,11 @@ static inline BOOL is_rasterization_disabled(const struct wined3d_shader *geomet
&& geometry_shader->u.gs.so_desc->rasterizer_stream_idx == WINED3D_NO_RASTERIZER_STREAM;
}
+static inline uint32_t wined3d_mask_from_size(unsigned int size)
+{
+ return size < 32 ? (1u << size) - 1 : ~0u;
+}
+
static inline DWORD wined3d_extract_bits(const DWORD *bitstream,
unsigned int offset, unsigned int count)
{
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