[PATCH 1/5] wined3d: Bump ps_1x_max_value.
hverbeet at codeweavers.com
Fri May 2 05:50:15 CDT 2014
Shader model 4 hardware should generally have real floats for everything, and
FLT_MAX matches the value from the Windows drivers for that kind of hardware.
OpenGL requires at least 2^10 for colors, and 2^32 for other floats.
dlls/wined3d/glsl_shader.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index c86d400..cece6c1 100644
@@ -34,6 +34,9 @@
+# include <float.h>
@@ -6590,7 +6593,10 @@ static void shader_glsl_get_caps(const struct wined3d_gl_info *gl_info, struct s
* the shader will generate incorrect results too. Unfortunately, GL deliberately doesn't
* offer a way to query this.
- caps->ps_1x_max_value = 8.0;
+ if (shader_model >= 4)
+ caps->ps_1x_max_value = FLT_MAX;
+ caps->ps_1x_max_value = 1024.0f;
/* Ideally we'd only set caps like sRGB writes here if supported by both
* the shader backend and the fragment pipe, but we can get called before
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