From 4f671873c1019f137aeed6f7d41b2dd29f0ef6a4 Mon Sep 17 00:00:00 2001
From: Lynix <lynix680@gmail.com>
Date: Thu, 18 Jun 2020 20:05:22 +0200
Subject: [PATCH] Renderer: Add NazaraBinary shader "language" and handle it in
 OpenGLRenderer

---
 examples/VulkanTest/main.cpp                  |   4 +--
 examples/bin/shader.shader                    | Bin 0 -> 510 bytes
 include/Nazara/Renderer/Enums.hpp             |   1 +
 .../OpenGLRenderer/OpenGLShaderStage.cpp      |  32 ++++++++++++++++++
 4 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 examples/bin/shader.shader

diff --git a/examples/VulkanTest/main.cpp b/examples/VulkanTest/main.cpp
index bfda1e2b2..e42aa41ac 100644
--- a/examples/VulkanTest/main.cpp
+++ b/examples/VulkanTest/main.cpp
@@ -3,7 +3,7 @@
 #include <array>
 #include <iostream>
 
-#define SPIRV 1
+#define SPIRV 0
 
 int main()
 {
@@ -44,7 +44,7 @@ int main()
 		return __LINE__;
 	}
 #else
-	auto fragmentShader = device->InstantiateShaderStage(Nz::ShaderStageType::Fragment, Nz::ShaderLanguage::GLSL, "resources/shaders/triangle.frag");
+	auto fragmentShader = device->InstantiateShaderStage(Nz::ShaderStageType::Fragment, Nz::ShaderLanguage::NazaraBinary, "shader.shader");
 	if (!fragmentShader)
 	{
 		std::cout << "Failed to instantiate fragment shader" << std::endl;
diff --git a/examples/bin/shader.shader b/examples/bin/shader.shader
new file mode 100644
index 0000000000000000000000000000000000000000..7828e1b47f93c3a2edd5b8979ee976e5aac39742
GIT binary patch
literal 510
zcmah_%L>9U5KJGo)%J6|_n;I{J@~o@ZEK)yptj)AKl7)&itdCgXcb%-Cd^J|lg&4)
zwGhG~xP(Zxx$YWS)7gWF@>RRr6T1)?i5~i_lhs1kx`T<`;BZ@9`k^c681MzK-$>P>
zPe3IEpAZnt_*zw`eyI@X*&bNj=8t<ypd))@<IUuuH}ercC4fy7^C&X1o{yiB#<Ag1
zmE~~8(=mA*_hV{otutbzPYCY|u(J6-Z;~_=r}I9bAp(=X7HoCw3m$xO^jNf<^eV*D
H*1!G>rp8P$

literal 0
HcmV?d00001

diff --git a/include/Nazara/Renderer/Enums.hpp b/include/Nazara/Renderer/Enums.hpp
index a9b33ba5f..05daee7a5 100644
--- a/include/Nazara/Renderer/Enums.hpp
+++ b/include/Nazara/Renderer/Enums.hpp
@@ -49,6 +49,7 @@ namespace Nz
 		GLSL,
 		HLSL,
 		MSL,
+		NazaraBinary,
 		SpirV
 	};
 
diff --git a/src/Nazara/OpenGLRenderer/OpenGLShaderStage.cpp b/src/Nazara/OpenGLRenderer/OpenGLShaderStage.cpp
index 3364e4f11..561a1d196 100644
--- a/src/Nazara/OpenGLRenderer/OpenGLShaderStage.cpp
+++ b/src/Nazara/OpenGLRenderer/OpenGLShaderStage.cpp
@@ -4,7 +4,11 @@
 
 #include <Nazara/OpenGLRenderer/OpenGLShaderStage.hpp>
 #include <Nazara/Core/Error.hpp>
+#include <Nazara/Core/MemoryView.hpp>
 #include <Nazara/OpenGLRenderer/Utils.hpp>
+#include <Nazara/Renderer/GlslWriter.hpp>
+#include <Nazara/Renderer/ShaderAst.hpp>
+#include <Nazara/Renderer/ShaderSerializer.hpp>
 #include <stdexcept>
 #include <Nazara/OpenGLRenderer/Debug.hpp>
 
@@ -22,6 +26,34 @@ namespace Nz
 				m_shader.Compile();
 				break;
 
+			case ShaderLanguage::NazaraBinary:
+			{
+				ByteStream byteStream(source, sourceSize);
+				auto shader = Nz::UnserializeShader(byteStream);
+
+				const auto& context = device.GetReferenceContext();
+				const auto& contextParams = context.GetParams();
+
+				GlslWriter::Environment env;
+				env.glES = false;
+				//env.glES = (contextParams.type == GL::ContextType::OpenGL_ES);
+				env.glMajorVersion = contextParams.glMajorVersion;
+				env.glMinorVersion = contextParams.glMinorVersion;
+				env.extCallback = [&](const std::string_view& ext)
+				{
+					return context.IsExtensionSupported(std::string(ext));
+				};
+
+				GlslWriter writer;
+				writer.SetEnv(env);
+
+				std::string code = writer.Generate(shader);
+
+				m_shader.SetSource(code.data(), code.size());
+				m_shader.Compile();
+				break;
+			}
+
 			case ShaderLanguage::SpirV:
 			{
 				if (!device.GetReferenceContext().IsExtensionSupported(GL::Extension::SpirV))