Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=8848 Signed-off-by: Paul Gofman gofmanp@gmail.com --- v2: no changes v3: - Split off w component handling for zero norm in a separate patch.
dlls/wined3d/glsl_shader.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c index c934528981..f2fa18dba8 100644 --- a/dlls/wined3d/glsl_shader.c +++ b/dlls/wined3d/glsl_shader.c @@ -4260,8 +4260,12 @@ static void shader_glsl_nrm(const struct wined3d_shader_instruction *ins) mask_size = shader_glsl_get_write_mask_size(write_mask); shader_glsl_add_src_param(ins, &ins->src[0], write_mask, &src_param);
- shader_addline(buffer, "tmp0.x = dot(%s, %s);\n", - src_param.param_str, src_param.param_str); + if (mask_size > 3) + shader_addline(buffer, "tmp0.x = dot(vec3(%s), vec3(%s));\n", + src_param.param_str, src_param.param_str); + else + shader_addline(buffer, "tmp0.x = dot(%s, %s);\n", + src_param.param_str, src_param.param_str); shader_glsl_append_dst(buffer, ins);
if (mask_size > 1)