From 35a9934cded3a20283150a8d9bdfbefce08d375f Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Sat, 18 Jan 2020 03:10:33 +0000
Subject: [PATCH] [d3d9] Make unbound textures return (0, 0, 0, 1) (fixed func)

Fixes sky in Ferentus Herrcot Xiones

https://github.com/Joshua-Ashton/d9vk/issues/306
---
 src/d3d9/d3d9_fixed_function.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/d3d9/d3d9_fixed_function.cpp b/src/d3d9/d3d9_fixed_function.cpp
index 12ad53d4..f45577ae 100644
--- a/src/d3d9/d3d9_fixed_function.cpp
+++ b/src/d3d9/d3d9_fixed_function.cpp
@@ -1564,6 +1564,8 @@ namespace dxvk {
             texture = m_module.opImageSampleProjImplicitLod(m_vec4Type, imageVarId, texcoord, imageOperands);
           else
             texture = m_module.opImageSampleImplicitLod(m_vec4Type, imageVarId, texcoord, imageOperands);
+
+          texture = m_module.opSelect(m_vec4Type, m_ps.samplers[i].bound, texture, m_module.constvec4f32(0.0f, 0.0f, 0.0f, 1.0f));
         }
 
         processedTexture = true;
@@ -1992,6 +1994,11 @@ namespace dxvk {
       const uint32_t bindingId = computeResourceSlotId(DxsoProgramType::PixelShader,
         DxsoBindingType::ColorImage, i);
 
+      sampler.bound = m_module.specConstBool(true);
+      m_module.decorateSpecId(sampler.bound, bindingId);
+      m_module.setDebugName(sampler.bound,
+        str::format("s", i, "_bound").c_str());
+
       m_module.decorateDescriptorSet(sampler.varId, 0);
       m_module.decorateBinding(sampler.varId, bindingId);