SceneRenderer is a graphics component, not a UI one

3 files changed, 1 insertions, 196 deletions

diff --git a/ui/gameMainWindow.h b/ui/gameMainWindow.h
index fbba0cd..03364f2 100644
--- a/ui/gameMainWindow.h
+++ b/ui/gameMainWindow.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include "chronology.hpp"
-#include "sceneRenderer.h"
+#include "gfx/gl/sceneRenderer.h"
 #include "window.h"
 #include <cstddef>
 
diff --git a/ui/sceneRenderer.cpp b/ui/sceneRenderer.cpp
deleted file mode 100644
index a97387e..0000000
--- a/ui/sceneRenderer.cpp
+++ /dev/null
@@ -1,140 +0,0 @@
-#include "sceneRenderer.h"
-#include "maths.h"
-#include <gfx/gl/shaders/fs-directionalLight.h>
-#include <gfx/gl/shaders/fs-lightingShader.h>
-#include <gfx/gl/shaders/vs-lightingShader.h>
-#include <glm/gtc/type_ptr.hpp>
-
-static constexpr std::array<glm::vec4, 4> displayVAOdata {{
-		// positions(x,y) texture coords(z,w)
-		{-1.0f, 1.0f, 0.0f, 1.0f},
-		{-1.0f, -1.0f, 0.0f, 0.0f},
-		{1.0f, 1.0f, 1.0f, 1.0f},
-		{1.0f, -1.0f, 1.0f, 0.0f},
-}};
-SceneRenderer::SceneRenderer(glm::ivec2 s, GLuint o) :
-	camera {{-1250.0F, -1250.0F, 35.0F}, quarter_pi, ratio(s), 0.1F, 10000.0F}, size {s}, output {o},
-	lighting {lightingShader_vs, lightingShader_fs}
-{
-	shader.setViewPort({0, 0, size.x, size.y});
-	glBindVertexArray(displayVAO);
-	glBindBuffer(GL_ARRAY_BUFFER, displayVBO);
-	glBufferData(GL_ARRAY_BUFFER, sizeof(displayVAOdata), nullptr, GL_STATIC_DRAW);
-	glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(displayVAOdata), glm::value_ptr(displayVAOdata.front()));
-	glEnableVertexAttribArray(0);
-	glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, sizeof(glm::vec4), nullptr);
-
-	glBindFramebuffer(GL_FRAMEBUFFER, gBuffer);
-	const auto configuregdata
-			= [this](const GLuint data, const GLint format, const GLenum type, const GLenum attachment) {
-				  glBindTexture(GL_TEXTURE_2D, data);
-				  glTexImage2D(GL_TEXTURE_2D, 0, format, size.x, size.y, 0, GL_RGBA, type, NULL);
-				  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-				  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-				  glFramebufferTexture2D(GL_FRAMEBUFFER, attachment, GL_TEXTURE_2D, data, 0);
-			  };
-	configuregdata(gPosition, GL_RGBA16F, GL_FLOAT, GL_COLOR_ATTACHMENT0);
-	configuregdata(gNormal, GL_RGBA16F, GL_FLOAT, GL_COLOR_ATTACHMENT1);
-	configuregdata(gAlbedoSpec, GL_RGBA, GL_UNSIGNED_BYTE, GL_COLOR_ATTACHMENT2);
-	configuregdata(gIllumination, GL_RGBA16F, GL_FLOAT, GL_COLOR_ATTACHMENT3);
-
-	glBindRenderbuffer(GL_RENDERBUFFER, depth);
-	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, size.x, size.y);
-	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depth);
-
-	// finally check if framebuffer is complete
-	if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
-		throw std::runtime_error("Framebuffer not complete!");
-	}
-	glBindFramebuffer(GL_FRAMEBUFFER, output);
-}
-
-void
-SceneRenderer::render(const SceneProvider & scene) const
-{
-	shader.setViewProjection(camera.GetViewProjection());
-	glViewport(0, 0, size.x, size.y);
-
-	// Geometry pass
-	glBindFramebuffer(GL_FRAMEBUFFER, gBuffer);
-	static constexpr std::array<unsigned int, 3> attachments {
-			GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2};
-	glDrawBuffers(attachments.size(), attachments.data());
-	glEnable(GL_BLEND);
-	glEnable(GL_CULL_FACE);
-	glCullFace(GL_BACK);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	glEnable(GL_DEPTH_TEST);
-	glClearColor(0, 0, 0, 1);
-	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-	scene.content(shader);
-
-	// Illumination pass
-	glDrawBuffer(GL_COLOR_ATTACHMENT3);
-	glDisable(GL_DEPTH_TEST);
-	glEnable(GL_BLEND);
-	glBlendFunc(GL_ONE, GL_ONE);
-	glActiveTexture(GL_TEXTURE0);
-	glBindTexture(GL_TEXTURE_2D, gPosition);
-	glActiveTexture(GL_TEXTURE1);
-	glBindTexture(GL_TEXTURE_2D, gNormal);
-	scene.environment(shader, *this);
-	scene.lights(shader);
-
-	// Lighting pass
-	glBindFramebuffer(GL_FRAMEBUFFER, output);
-	glDisable(GL_BLEND);
-	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-	glActiveTexture(GL_TEXTURE0);
-	glBindTexture(GL_TEXTURE_2D, gPosition);
-	glActiveTexture(GL_TEXTURE1);
-	glBindTexture(GL_TEXTURE_2D, gNormal);
-	glActiveTexture(GL_TEXTURE2);
-	glBindTexture(GL_TEXTURE_2D, gAlbedoSpec);
-	glActiveTexture(GL_TEXTURE3);
-	glBindTexture(GL_TEXTURE_2D, gIllumination);
-	lighting.use();
-	glBindVertexArray(displayVAO);
-	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
-	glBindVertexArray(0);
-}
-
-void
-SceneRenderer::setAmbientLight(const glm::vec3 & colour) const
-{
-	glClearColor(colour.r, colour.g, colour.b, 1.0F);
-	glClear(GL_COLOR_BUFFER_BIT);
-}
-
-void
-SceneRenderer::setDirectionalLight(const glm::vec3 & colour, const glm::vec3 & direction) const
-{
-	if (colour.r > 0 || colour.g > 0 || colour.b > 0) {
-		dirLight.use();
-		dirLight.setDirectionalLight(colour, direction);
-		glBindVertexArray(displayVAO);
-		glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
-		glBindVertexArray(0);
-	}
-}
-
-SceneRenderer::DirectionalLightProgram::DirectionalLightProgram() :
-	Program {lightingShader_vs, directionalLight_fs}, directionLoc {*this, "lightDirection"}, colourLoc {*this,
-																									  "lightColour"}
-{
-}
-
-void
-SceneRenderer::DirectionalLightProgram::setDirectionalLight(const glm::vec3 & c, const glm::vec3 & d) const
-{
-	glUniform3fv(colourLoc, 1, glm::value_ptr(c));
-	const auto nd = glm::normalize(d);
-	glUniform3fv(directionLoc, 1, glm::value_ptr(nd));
-}
-
-void
-SceneRenderer::SceneProvider::environment(const SceneShader &, const SceneRenderer & renderer) const
-{
-	renderer.setAmbientLight({0.5F, 0.5F, 0.5F});
-	renderer.setDirectionalLight({0.6F, 0.6F, 0.6F}, {1, 0, -1});
-}
diff --git a/ui/sceneRenderer.h b/ui/sceneRenderer.h
deleted file mode 100644
index f40b894..0000000
--- a/ui/sceneRenderer.h
+++ /dev/null
@@ -1,55 +0,0 @@
-#pragma once
-
-#include "gfx/gl/camera.h"
-#include "gfx/gl/program.h"
-#include "gfx/gl/sceneShader.h"
-#include "lib/glArrays.h"
-#include <functional>
-#include <glm/fwd.hpp>
-
-class SceneRenderer {
-public:
-	class SceneProvider {
-	public:
-		virtual ~SceneProvider() = default;
-		virtual void content(const SceneShader &) const = 0;
-		virtual void environment(const SceneShader &, const SceneRenderer &) const;
-		virtual void lights(const SceneShader &) const = 0;
-	};
-
-	explicit SceneRenderer(glm::ivec2 size, GLuint output);
-
-	void render(const SceneProvider &) const;
-	void setAmbientLight(const glm::vec3 & colour) const;
-	void setDirectionalLight(const glm::vec3 & colour, const glm::vec3 & direction) const;
-
-	Camera camera;
-
-private:
-	glm::ivec2 size;
-	GLuint output;
-	glFrameBuffer gBuffer;
-	glTexture gPosition, gNormal, gAlbedoSpec, gIllumination;
-	glRenderBuffer depth;
-	class DeferredLightProgram : public Program {
-	public:
-		using Program::Program;
-		using Program::use;
-	};
-	class DirectionalLightProgram : public Program {
-	public:
-		DirectionalLightProgram();
-		using Program::use;
-
-		void setDirectionalLight(const glm::vec3 &, const glm::vec3 &) const;
-
-	private:
-		RequiredUniformLocation directionLoc, colourLoc;
-	};
-
-	DeferredLightProgram lighting;
-	DirectionalLightProgram dirLight;
-	glVertexArray displayVAO;
-	glBuffer displayVBO;
-	SceneShader shader;
-};