From a47df897d30a8fdacc28235ab708ac4b28748eae Mon Sep 17 00:00:00 2001
From: Egor Yusov <egor.yusov@gmail.com>
Date: Sat, 14 Apr 2018 21:08:00 -0700
Subject: Added GLSL to SPIRV shader compilation

---
 Graphics/GraphicsEngineVulkan/CMakeLists.txt                 |  1 +
 Graphics/GraphicsEngineVulkan/include/ShaderVkImpl.h         |  2 +-
 Graphics/GraphicsEngineVulkan/src/ShaderVkImpl.cpp           | 12 ++++++++++--
 .../src/VulkanUtilities/VulkanInstance.cpp                   |  5 +++++
 4 files changed, 17 insertions(+), 3 deletions(-)

(limited to 'Graphics/GraphicsEngineVulkan')

diff --git a/Graphics/GraphicsEngineVulkan/CMakeLists.txt b/Graphics/GraphicsEngineVulkan/CMakeLists.txt
index bf8a78ea..5d417d8a 100644
--- a/Graphics/GraphicsEngineVulkan/CMakeLists.txt
+++ b/Graphics/GraphicsEngineVulkan/CMakeLists.txt
@@ -158,6 +158,7 @@ set(PRIVATE_DEPENDENCIES
     Common 
     TargetPlatform
     GraphicsEngine
+    GLSLTools
 )
 
 if(PLATFORM_WIN32)
diff --git a/Graphics/GraphicsEngineVulkan/include/ShaderVkImpl.h b/Graphics/GraphicsEngineVulkan/include/ShaderVkImpl.h
index 904ae379..4bd9d43d 100644
--- a/Graphics/GraphicsEngineVulkan/include/ShaderVkImpl.h
+++ b/Graphics/GraphicsEngineVulkan/include/ShaderVkImpl.h
@@ -47,7 +47,7 @@ class ShaderVkImpl : public ShaderBase<IShaderVk, IRenderDeviceVk>
 public:
     typedef ShaderBase<IShaderVk, IRenderDeviceVk> TShaderBase;
 
-    ShaderVkImpl(IReferenceCounters *pRefCounters, class RenderDeviceVkImpl *pRenderDeviceVk, const ShaderCreationAttribs &ShaderCreationAttribs);
+    ShaderVkImpl(IReferenceCounters *pRefCounters, class RenderDeviceVkImpl *pRenderDeviceVk, const ShaderCreationAttribs &CreationAttribs);
     ~ShaderVkImpl();
     
     //virtual void QueryInterface( const Diligent::INTERFACE_ID &IID, IObject **ppInterface )override;
diff --git a/Graphics/GraphicsEngineVulkan/src/ShaderVkImpl.cpp b/Graphics/GraphicsEngineVulkan/src/ShaderVkImpl.cpp
index 0b96448c..d012b1bc 100644
--- a/Graphics/GraphicsEngineVulkan/src/ShaderVkImpl.cpp
+++ b/Graphics/GraphicsEngineVulkan/src/ShaderVkImpl.cpp
@@ -26,6 +26,8 @@
 #include "ShaderVkImpl.h"
 #include "RenderDeviceVkImpl.h"
 #include "DataBlobImpl.h"
+#include "GLSLSourceBuilder.h"
+#include "GLSL2SPIRV.h"
 //#include "D3DShaderResourceLoader.h"
 
 using namespace Diligent;
@@ -34,13 +36,19 @@ namespace Diligent
 {
 
 
-ShaderVkImpl::ShaderVkImpl(IReferenceCounters *pRefCounters, RenderDeviceVkImpl *pRenderDeviceVk, const ShaderCreationAttribs &ShaderCreationAttribs) : 
-    TShaderBase(pRefCounters, pRenderDeviceVk, ShaderCreationAttribs.Desc)/*,
+ShaderVkImpl::ShaderVkImpl(IReferenceCounters *pRefCounters, RenderDeviceVkImpl *pRenderDeviceVk, const ShaderCreationAttribs &CreationAttribs) : 
+    TShaderBase(pRefCounters, pRenderDeviceVk, CreationAttribs.Desc)/*,
     ShaderD3DBase(ShaderCreationAttribs),
     m_StaticResLayout(*this, GetRawAllocator()),
     m_DummyShaderVar(*this),
     m_ConstResCache(ShaderResourceCacheVk::DbgCacheContentType::StaticShaderResources)*/
 {
+    auto GLSLSource = BuildGLSLSourceString(CreationAttribs);
+    auto SPIRV = GLSLtoSPIRV(m_Desc.ShaderType, GLSLSource.c_str());
+    if(SPIRV.empty())
+    {
+        LOG_ERROR_AND_THROW("Failed to compile shader");
+    }
 /*
     // Load shader resources
     auto &Allocator = GetRawAllocator();
diff --git a/Graphics/GraphicsEngineVulkan/src/VulkanUtilities/VulkanInstance.cpp b/Graphics/GraphicsEngineVulkan/src/VulkanUtilities/VulkanInstance.cpp
index a47c0ec0..a8e34a82 100644
--- a/Graphics/GraphicsEngineVulkan/src/VulkanUtilities/VulkanInstance.cpp
+++ b/Graphics/GraphicsEngineVulkan/src/VulkanUtilities/VulkanInstance.cpp
@@ -26,6 +26,7 @@
 #include "VulkanErrors.h"
 #include "VulkanUtilities/VulkanInstance.h"
 #include "VulkanUtilities/VulkanDebug.h"
+#include "GLSL2SPIRV.h"
 
 namespace VulkanUtilities
 {
@@ -186,6 +187,8 @@ namespace VulkanUtilities
             CHECK_VK_ERROR(err, "Failed to enumerate physical devices");
             VERIFY_EXPR(m_PhysicalDevices.size() == PhysicalDeviceCount);
         }
+
+        Diligent::InitializeGlslang();
     }
 
     VulkanInstance::~VulkanInstance()
@@ -195,6 +198,8 @@ namespace VulkanUtilities
             VulkanUtilities::FreeDebugCallback(m_VkInstance);
         }
         vkDestroyInstance(m_VkInstance, m_pVkAllocator);
+
+        Diligent::FinalizeGlslang();
     }
 
     VkPhysicalDevice VulkanInstance::SelectPhysicalDevice()
-- 
cgit v1.2.3