Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=8848 Signed-off-by: Paul Gofman gofmanp@gmail.com --- dlls/wined3d/glsl_shader.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c index 81b237ecf5..cceef2b377 100644 --- a/dlls/wined3d/glsl_shader.c +++ b/dlls/wined3d/glsl_shader.c @@ -4256,11 +4256,24 @@ 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) + if (mask_size == 4) + { + static const float max_float = FLT_MAX; + + shader_addline(buffer, "tmp0.x == 0.0 ? vec4(vec3(0.0), sign(%s[3]) * ", + src_param.param_str); + shader_glsl_append_imm_vec(buffer, &max_float, 1, ins->ctx->gl_info); + shader_addline(buffer, ") : (%s * inversesqrt(tmp0.x)));\n", src_param.param_str); + } + else if (mask_size > 1) { shader_addline(buffer, "tmp0.x == 0.0 ? vec%u(0.0) : (%s * inversesqrt(tmp0.x)));\n", mask_size, src_param.param_str);