From 1d51b3bed9cc5e11f384a7d34f99b39c04d9e22b Mon Sep 17 00:00:00 2001
From: L-Nafaryus <l.nafaryus@gmail.com>
Date: Sat, 24 Sep 2022 16:07:46 +0500
Subject: [PATCH] gpu base started

---
 source/hyporo/gpu/context.cpp        | 24 +++++++++++++++
 source/hyporo/gpu/context.hpp        | 38 +++++++++++++++++++++++
 source/hyporo/gpu/shader.cpp         | 23 ++++++++++++++
 source/hyporo/gpu/shader.hpp         | 45 ++++++++++++++++++++++++++++
 source/hyporo/gpu/shader_program.cpp | 21 +++++++++++++
 source/hyporo/gpu/shader_program.hpp | 35 ++++++++++++++++++++++
 6 files changed, 186 insertions(+)
 create mode 100644 source/hyporo/gpu/context.cpp
 create mode 100644 source/hyporo/gpu/context.hpp
 create mode 100644 source/hyporo/gpu/shader.cpp
 create mode 100644 source/hyporo/gpu/shader.hpp
 create mode 100644 source/hyporo/gpu/shader_program.cpp
 create mode 100644 source/hyporo/gpu/shader_program.hpp

diff --git a/source/hyporo/gpu/context.cpp b/source/hyporo/gpu/context.cpp
new file mode 100644
index 0000000..d831153
--- /dev/null
+++ b/source/hyporo/gpu/context.cpp
@@ -0,0 +1,24 @@
+
+#include "context.hpp"
+
+
+namespace hpr::gpu
+{
+
+Context::Context() :
+    p_api {DeviceAPI::Unknown}
+{}
+
+Context::Context(DeviceAPI api) :
+    p_api {api}
+{}
+
+Context::~Context() 
+{}
+
+bool Context::checkCompability(const Context* ctx) const
+{
+    return (ctx != nullptr) ? ctx->p_api == p_api : true;
+}
+
+}
\ No newline at end of file
diff --git a/source/hyporo/gpu/context.hpp b/source/hyporo/gpu/context.hpp
new file mode 100644
index 0000000..821ed64
--- /dev/null
+++ b/source/hyporo/gpu/context.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+
+namespace hpr::gpu
+{
+
+class Context
+{
+
+public:
+
+    enum class DeviceAPI
+    {
+        Unknown,
+        OpenGL,
+        DeviceAPICount
+    };
+
+private:
+
+    DeviceAPI p_api;
+
+public:
+
+    // Constructors
+
+    Context();
+
+    Context(DeviceAPI api);
+
+    virtual ~Context();
+
+    // Member functions
+
+    bool checkCompability(const Context* ctx) const;
+};
+
+}
\ No newline at end of file
diff --git a/source/hyporo/gpu/shader.cpp b/source/hyporo/gpu/shader.cpp
new file mode 100644
index 0000000..9bcf7ad
--- /dev/null
+++ b/source/hyporo/gpu/shader.cpp
@@ -0,0 +1,23 @@
+
+#include "shader.hpp"
+
+
+namespace hpr::gpu
+{
+
+Shader::Shader() :
+    Context {DeviceAPI::Unknown},
+    p_filename {},
+    p_label {}
+{}
+
+Shader::Shader(DeviceAPI api) :
+    Context {api},
+    p_filename {},
+    p_label {}
+{}
+
+Shader::~Shader() 
+{}
+
+}
\ No newline at end of file
diff --git a/source/hyporo/gpu/shader.hpp b/source/hyporo/gpu/shader.hpp
new file mode 100644
index 0000000..8b4e314
--- /dev/null
+++ b/source/hyporo/gpu/shader.hpp
@@ -0,0 +1,45 @@
+#pragma once
+
+#include "context.hpp"
+
+#include <string>
+
+
+namespace hpr::gpu
+{
+
+class Shader : public Context
+{
+protected:
+
+    std::string p_filename;
+    std::string p_label;
+
+public:
+
+    enum class ShaderType
+    {
+        Vertex,
+        Geometry,
+        Fragment,
+        ShaderTypeCount
+    };
+
+    // Constructors
+
+    Shader();
+
+    Shader(DeviceAPI api);
+
+    virtual ~Shader();
+
+    // Member functions
+
+    const std::string filename() const;
+
+    const std::string label() const;
+
+    const ShaderType shaderType() const;
+};
+
+} // end namespace hpr::gpu
\ No newline at end of file
diff --git a/source/hyporo/gpu/shader_program.cpp b/source/hyporo/gpu/shader_program.cpp
new file mode 100644
index 0000000..a3da829
--- /dev/null
+++ b/source/hyporo/gpu/shader_program.cpp
@@ -0,0 +1,21 @@
+
+#include "shader_program.hpp"
+
+
+namespace hpr::gpu
+{
+
+ShaderProgram::ShaderProgram() : 
+    Context {DeviceAPI::Unknown},
+    p_isLinked {false}
+{}
+
+ShaderProgram::ShaderProgram(DeviceAPI api) : 
+    Context {api},
+    p_isLinked {false}
+{}
+
+ShaderProgram::~ShaderProgram()
+{}
+
+}
\ No newline at end of file
diff --git a/source/hyporo/gpu/shader_program.hpp b/source/hyporo/gpu/shader_program.hpp
new file mode 100644
index 0000000..bf1dfe6
--- /dev/null
+++ b/source/hyporo/gpu/shader_program.hpp
@@ -0,0 +1,35 @@
+#pragma once
+
+#include "context.hpp"
+#include "shader.hpp"
+
+#include <array>
+
+
+namespace hpr::gpu
+{
+
+class ShaderProgram : Context
+{
+
+protected:
+
+    std::array<Shader*, (size_t)Shader::ShaderType::ShaderTypeCount> p_slots;
+    bool p_isLinked;
+
+public:
+
+    // Constructors
+
+    ShaderProgram();
+
+    ShaderProgram(DeviceAPI api);
+
+    virtual ~ShaderProgram();
+
+    // Member functions
+
+    const Shader* getShader(Shader::ShaderType type) const;
+};
+
+}
\ No newline at end of file