Added renderQueue for water and created buffers for the water to use.

include/Core/Engine.h

@@ -440,6 +440,15 @@ public:
 
 	}
 
+	void EnqueueWaterParticles(glm::vec3 position, glm::vec4 color)
+	{
+		WaterParticleJob job;
+		job.Position = position;
+		job.Color = color;
+
+		m_RendererQueue.Deferred.Add(job);
+	}
+
 private:
 	std::shared_ptr<ResourceManager> m_ResourceManager;
 	std::shared_ptr<EventBroker> m_EventBroker;

include/Core/RenderQueue.h

@@ -115,6 +115,12 @@ struct PointLightJob : RenderJob
 	}
 };
 
+struct WaterParticleJob : RenderJob
+{
+	glm::vec3 Position;
+	glm::vec4 Color;
+};
+
 class RenderQueue
 {
 public:
@@ -153,12 +159,14 @@ struct RenderQueueCollection
 	RenderQueue Deferred;
 	RenderQueue Forward;
 	RenderQueue Lights;
+	RenderQueue Water;
 
 	void Clear()
 	{
 		Deferred.Clear();
 		Forward.Clear();
 		Lights.Clear();
+		Water.Clear();
 	}
 
 	void Sort()
@@ -166,6 +174,8 @@ struct RenderQueueCollection
 		Deferred.Sort();
 		Forward.Sort();
 		Lights.Sort();
+		//TODO: Is water sort needed?
+		Water.Sort();
 	}
 };
 

include/Core/Renderer.h

@@ -72,6 +72,7 @@ private:
 	ShaderProgram* m_spDeferred3;
 	ShaderProgram* m_spForward;
 	ShaderProgram* m_spScreen;
+	ShaderProgram* t_m_spWater;
 
 	GLuint m_ScreenQuad = 0;
 	Model* m_UnitSphere = nullptr;
@@ -89,6 +90,12 @@ private:
 	GLuint m_tLighting = 0;
 	GLuint m_fbDeferred3 = 0;
 	GLuint m_tFinal = 0;
+	//Water "Diffuse" texture
+	GLuint t_m_GWater = 0;
+	//Water blur texture
+	GLuint t_m_tWater;
+	//WAterpass Framebuffer
+	GLuint t_m_fbWater;
 
 	GLuint m_CurrentScreenBuffer = 0;
 	void LoadShaders();
@@ -101,6 +108,7 @@ private:
 	void DrawForward(RenderQueue &objects, RenderQueue &lights);
 	void DrawScene(RenderQueue &objects, ShaderProgram &program);
 	void DrawLightSpheres(RenderQueue &lights);
+	void DrawWater(RenderQueue &objects);
 	void DebugKeys();
 };
 

src/game/Core/Renderer.cpp

@@ -149,6 +149,15 @@ void dd::Renderer::CreateBuffers()
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+	//WaterTest
+	glGenTextures(1, &t_m_GWater);
+	glBindTexture(GL_TEXTURE_2D, t_m_GWater);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, m_Resolution.Width, m_Resolution.Height, 0, GL_RGBA, GL_FLOAT, NULL);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
 
 	// Create first pass framebuffer
 	glGenFramebuffers(1, &m_fbDeferred1);
@@ -158,8 +167,10 @@ void dd::Renderer::CreateBuffers()
 	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_TEXTURE_2D, m_GPosition, 0);
 	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2, GL_TEXTURE_2D, m_GNormal, 0);
 	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT3, GL_TEXTURE_2D, m_GSpecular, 0);
-	GLenum firstPassDrawBuffers[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2, GL_COLOR_ATTACHMENT3 };
+	//WaterTest
-	glDrawBuffers(4, firstPassDrawBuffers);
+	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT4, GL_TEXTURE_2D, t_m_GWater, 0);
+	GLenum firstPassDrawBuffers[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2, GL_COLOR_ATTACHMENT3, GL_COLOR_ATTACHMENT4 };
+	glDrawBuffers(5, firstPassDrawBuffers);
 	if (GLenum fbStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
 		LOG_ERROR("m_fbDeferred1 incomplete: 0x%x\n", fbStatus);
 		exit(EXIT_FAILURE);
@@ -185,6 +196,26 @@ void dd::Renderer::CreateBuffers()
 		exit(EXIT_FAILURE);
 	}
 
+	//Blur the water
+	glGenTextures(1, &t_m_tWater);
+	glBindTexture(GL_TEXTURE_2D, t_m_tWater);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, m_Resolution.Width, m_Resolution.Height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+	//Blur water pass
+	glGenFramebuffers(1, &t_m_fbWater);
+	glBindFramebuffer(GL_FRAMEBUFFER, t_m_fbWater);
+	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, t_m_tWater, 0);
+	GLenum waterPassDrawBuffers[] = { GL_COLOR_ATTACHMENT0 };
+	glDrawBuffers(1, secondPassDrawBuffers);
+	if (GLenum fbStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+		LOG_ERROR("m_fbDeferred2 incomplete: 0x%x\n", fbStatus);
+		exit(EXIT_FAILURE);
+	}
+
 	// Generate final deferred texture
 	glGenTextures(1, &m_tFinal);
 	glBindTexture(GL_TEXTURE_2D, m_tFinal);