I dislike shaders now

README.md

@@ -13,9 +13,8 @@ To compile Hibis, you will need:
 - Meson-compatible compiler (recommended: Ninja or ccache + G++)
 - A few minutes of your time
 <!-- -->
-Each non-core library also has specific dependencies, including:
-- (RSDL) SDL2
-- (RSDL) SDL2_ttf
+Each module also has specific dependencies, which include:
+- (RGLCore) OpenGL drivers
 <!-- -->
 Linux users should be able to get all of these (except time) from their package manager.<br>
 Windows users will need to use vcpkg or similar to easily get these dependencies.
@@ -25,4 +24,4 @@ Run `compile.sh` in the folder you cloned Hibis into.
 #### Customising
 In the folder you cloned Hibis into, run `meson build` to create a folder where the magic happens.<br>
 Move into the build directory using CD and you can now use `meson configure` to adjust compile options.<br>
-Once you have configured everything, run `meson compile` in the build directory and it should finish successfully.
+Once you have configured everything, run `ninja` or `meson compile` in the build directory and it should finish successfully.

core/resources/texture.hpp

@@ -6,8 +6,8 @@
 #include "../pragmautil.hpp"
 
 namespace hibis {
-	TODO("Make this function")
-	class Texture : Resource {
+	TODO("Make this function fully")
+	class Texture : public Resource {
 	public:
 		Texture(const char* path);
 		~Texture();

renderer/rglcore/rglcore.cpp

@@ -12,8 +12,8 @@ namespace hibis::rglcore {
 		}
 
 		mLogger(Information, "Creating GLFWwindow...");
-		glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
-		glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 6);
+		glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+		glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
 		glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 		mWindow = glfwCreateWindow(size.x, size.y, title.c_str(), NULL, NULL);
 		if (!mWindow) {
@@ -75,24 +75,11 @@ namespace hibis::rglcore {
 	}
 
 	void RGLCore::useShader(Shader* shader, Point2D points[3]) {
-		float vertices[] = {
-			points[0].x, points[0].y, 0.0f,
-			points[1].x, points[1].y, 0.0f,
-			points[2].x, points[2].y, 0.0f
-		};
-		if (shader->mShaderVAO == 0) {
-			glGenVertexArrays(1, &shader->mShaderVAO);
-			glBindVertexArray(shader->mShaderVAO);
-			glBindBuffer(GL_ARRAY_BUFFER, shader->mShaderVBO);
-			glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
-
-			glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0);
-			glEnableVertexAttribArray(0);
-		}
-
 		glUseProgram(shader->mShaderProgram);
 		glBindVertexArray(shader->mShaderVAO);
 		glDrawArrays(GL_TRIANGLES, 0, 3);
+
+		glBindVertexArray(0);
 	}
 
 	void RGLCore::stopUsingShaders() {
@@ -116,8 +103,7 @@ namespace hibis::rglcore {
 		unsigned int shaderIDs[2] = {0, 0};
 
 		mLogger(Information, fmt::format("Compiling shader {}", shader->mShaderPaths[0]));
-		glGenBuffers(1, &shader->mShaderVBO);
-		glBindBuffer(GL_ARRAY_BUFFER, shader->mShaderVBO);
+
 		shaderIDs[0] = glCreateShader(GL_VERTEX_SHADER);
 		const std::string vertShaderStr = loadFile(shader->mShaderPaths[1]);
 		const char* vertShader = vertShaderStr.c_str();
@@ -164,6 +150,28 @@ namespace hibis::rglcore {
 		glDeleteShader(shaderIDs[0]);
 		glDeleteShader(shaderIDs[1]);
 
+		GLfloat vertices[] = {
+			-0.5f, -0.5f * float(sqrt(3)) / 3, 0.0f, // Lower left corner
+			0.5f, -0.5f * float(sqrt(3)) / 3, 0.0f, // Lower right corner
+			0.0f, 0.5f * float(sqrt(3)) * 2 / 3, 0.0f // Upper corner
+		};
+
+		glGenVertexArrays(1, &shader->mShaderVAO);
+		glGenBuffers(1, &shader->mShaderVBO);
+
+		glBindVertexArray(shader->mShaderVAO);
+
+		glBindBuffer(GL_ARRAY_BUFFER, shader->mShaderVBO);
+
+		glBindBuffer(GL_ARRAY_BUFFER, shader->mShaderVBO);
+		glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
+
+		glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0);
+		glEnableVertexAttribArray(0);
+
+		glBindBuffer(GL_ARRAY_BUFFER, 0);
+		glBindVertexArray(0);
+
 		mLogger(Information, "Cleaned up leftover shader objects.");
 	}
 

test/app.cpp

@@ -55,7 +55,9 @@ int main() {
 #endif
 
 	Texture image = Texture((char*)"test.png");
-	Shader shader = Shader("../test/test.vert", "../test/test.frag");
+
+	system("cp ../test/test.vert ./ && cp ../test/test.frag ./");
+	Shader shader = Shader("test.vert", "test.frag");
 	renderer.compileShader(&shader);
 
 	uint8_t red = 0;
@@ -90,12 +92,10 @@ int main() {
 
 		// Clear screen then sleep for ~16ms
 		renderer.clearScreen(Color {red, 0, 0, 255});
-		renderer.useShader(&shader, points);
-		renderer.stopUsingShaders();
+		//renderer.useShader(&shader, points);
 		//renderer.drawText(&font, "Testing Text", IntVec2 {0, 0}, Color {255, 255, 255, 255});
 		//renderer.drawTexture(&image, 1.0f, IntVec2 {10, 10});
 
-		engine.drawNodes();
 		renderer.renderCurrent();
 		renderer.update();
 		std::this_thread::sleep_for(std::chrono::milliseconds(16));

test/test.frag

@@ -2,5 +2,5 @@
 out vec4 FragColor;
 
 void main() {
-	FragColor = vec4(1.0f, 0.0f, 0.0f, 1.0f);
-} 
+	FragColor = vec4(0.8f, 0.3f, 0.02f, 1.0f);
+}