wined3d: Add a setting to workaround 0 * inf problem in shader models 1-3.

Adds 'multiply_special' config option which works around https://bugs.winehq.org/show_bug.cgi?id=34266. Signed-off-by: Paul Gofman <gofmanp@gmail.com>

wined3d: Add a setting to workaround 0 * inf problem in shader models 1-3.
5323f956 · Paul Gofman · Vitaly Lipatov · 83a929de · 5323f956 · 5323f956
Commit 5323f956 authored Sep 09, 2019 by Paul Gofman Committed by Vitaly Lipatov Jul 30, 2022
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glsl_shader.c dlls/wined3d/glsl_shader.c +0 -0

wined3d_main.c dlls/wined3d/wined3d_main.c +2 -0

wined3d_private.h dlls/wined3d/wined3d_private.h +1 -0

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--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
--- a/dlls/wined3d/wined3d_main.c
+++ b/dlls/wined3d/wined3d_main.c
@@ -433,6 +433,8 @@ static BOOL wined3d_dll_init(HINSTANCE hInstDLL)
            ERR_(winediag)("Setting strict shader math to %#x.\n", wined3d_settings.strict_shader_math);
        if (!get_config_key_dword(hkey, appkey, env, "MaxShaderModelVS", &wined3d_settings.max_sm_vs))
            TRACE("Limiting VS shader model to %u.\n", wined3d_settings.max_sm_vs);
+        if (!get_config_key_dword(hkey, appkey, env, "multiply_special", &wined3d_settings.multiply_special))
+            ERR_(winediag)("Setting multiply special to %#x.\n", wined3d_settings.multiply_special);
        if (!get_config_key_dword(hkey, appkey, env, "MaxShaderModelHS", &wined3d_settings.max_sm_hs))
            TRACE("Limiting HS shader model to %u.\n", wined3d_settings.max_sm_hs);
        if (!get_config_key_dword(hkey, appkey, env, "MaxShaderModelDS", &wined3d_settings.max_sm_ds))

--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -525,6 +525,7 @@ struct wined3d_settings
    unsigned int sample_count;
    BOOL check_float_constants;
    unsigned int strict_shader_math;
+    unsigned int multiply_special;
    unsigned int max_sm_vs;
    unsigned int max_sm_hs;
    unsigned int max_sm_ds;