add opengl code

Sandbox/CMakeLists.txt

@@ -2,7 +2,11 @@ project(Sandbox)
 
 file(GLOB_RECURSE SRC_SOURCE ./**.cpp)
 
+file(GLOB ASSETS assets)
+file(COPY ${ASSETS} DESTINATION ${CMAKE_BINARY_DIR}/bin)
+
 
 add_executable(${PROJECT_NAME} ${SRC_SOURCE})
 
-target_link_libraries(${PROJECT_NAME} PRIVATE Prism)
+target_link_libraries(${PROJECT_NAME} PRIVATE Prism)
+target_compile_definitions(${PROJECT_NAME} PRIVATE ENABLE_DOCKSPACE)

Sandbox/Sandbox/Layer/DemoLayer.cpp

@@ -5,6 +5,7 @@
 #include "DemoLayer.h"
 
 #include "Prism/Renderer/Renderer.h"
+#include "Prism/Renderer/Shader.h"
 
 static void ImGuiShowHelpMarker(const char* desc)
 {
@@ -29,6 +30,24 @@ DemoLayer::~DemoLayer()
 
 void DemoLayer::OnAttach()
 {
+    static float vertices[] = {
+        -0.5f, -0.5f, 0.0f,
+         0.5f, -0.5f, 0.0f,
+         0.0f,  0.5f, 0.0f
+    };
+
+    static unsigned int indices[] = {
+        0, 1, 2
+    };
+
+    m_VertexBuffer = std::unique_ptr<Prism::VertexBuffer>(Prism::VertexBuffer::Create());
+    m_VertexBuffer->SetData(vertices, sizeof(vertices));
+
+    m_IndexBuffer = std::unique_ptr<Prism::IndexBuffer>(Prism::IndexBuffer::Create());
+    m_IndexBuffer->SetData(indices, sizeof(indices));
+
+
+    m_Shader.reset(Prism::Shader::Create("assets/shaders/shader.glsl"));
 }
 
 void DemoLayer::OnDetach()
@@ -38,6 +57,10 @@ void DemoLayer::OnDetach()
 void DemoLayer::OnUpdate()
 {
     Prism::Renderer::Clear(m_ClearColor[0], m_ClearColor[1], m_ClearColor[2], m_ClearColor[3]);
+    m_Shader->Bind();
+    m_VertexBuffer->Bind();
+    m_IndexBuffer->Bind();
+    Prism::Renderer::DrawIndexed(3);
 }
 
 void DemoLayer::OnImGuiRender()
@@ -49,6 +72,7 @@ void DemoLayer::OnImGuiRender()
 		ImGui::Begin("GameLayer");
 		ImGui::ColorEdit4("Clear Color", m_ClearColor);
 		ImGui::End();
+
 #if ENABLE_DOCKSPACE
 
     static bool p_open = true;

Sandbox/Sandbox/Layer/DemoLayer.h

@@ -4,8 +4,8 @@
 
 #ifndef DEMOLAYER_H
 #define DEMOLAYER_H
-#include "Prism/Core/Layer.h"
 
+#include "Prism.h"
 
 class DemoLayer : public Prism::Layer
 {
@@ -21,6 +21,10 @@ public:
 
 private:
     float m_ClearColor[4] = { 0.2f, 0.2f, 0.2f, 1.0f };
+
+    std::unique_ptr<Prism::VertexBuffer> m_VertexBuffer;
+    std::unique_ptr<Prism::IndexBuffer> m_IndexBuffer;
+    std::unique_ptr<Prism::Shader> m_Shader;
 };
 
 

Sandbox/Sandbox/Sandbox.cpp

@@ -3,10 +3,10 @@
 //
 
 
-#include "Layer/DemoLayer.h"
-#include "Prism/Core/Application.h"
+#include "Prism.h"
 #include "Prism/Core/EntryPoint.h"
-#include "Prism/Core/ImGui/ImGuiLayer.h"
+
+#include "Layer/DemoLayer.h"
 
 class Sandbox : public Prism::Application
 {

Sandbox/assets/shaders/shader.glsl

@@ -0,0 +1,19 @@
+#type vertex
+#version 430 core
+
+layout(location = 0) in vec3 a_Position;
+
+void main()
+{
+	gl_Position = vec4(a_Position, 1.0);
+}
+
+#type fragment
+#version 430 core
+
+layout(location = 0) out vec4 o_Color;
+
+void main()
+{
+	o_Color = vec4(1.0, 0.0, 1.0, 1.0);
+}