Add is_complete() to UniformInput and Implement Checks in Demos

copying.md

@@ -157,6 +157,7 @@ _the openage authors_ are:
 | Edvin Lindholm              | EdvinLndh                   | edvinlndh à gmail dawt com                        |
 | Jeremiah Morgan             | jere8184                    | jeremiahmorgan dawt bham à outlook dawt com       |
 | Tobias Alam                 | alamt22                     | tobiasal à umich dawt edu                         |
+| Alex Zhuohao He             | ZzzhHe                      | zhuohao dawt he à outlook dawt com                |
 
 If you're a first-time committer, add yourself to the above list. This is not
 just for legal reasons, but also to keep an overview of all those nicknames.

libopenage/renderer/demo/demo_0.cpp

@@ -2,6 +2,7 @@
 
 #include "demo_0.h"
 
+#include "renderer/demo/util.h"
 #include "renderer/gui/integration/public/gui_application_with_logger.h"
 #include "renderer/opengl/window.h"
 #include "renderer/render_pass.h"
@@ -50,6 +51,10 @@ void renderer_demo_0(const util::Path &path) {
 		false,
 	};
 
+	if (not check_uniform_completeness({display_stuff})) {
+		log::log(WARN << "Uniforms not complete.");
+	}
+
 	auto pass = renderer->add_render_pass({display_stuff}, renderer->get_display_target());
 
 	while (not window.should_close()) {

libopenage/renderer/demo/demo_1.cpp

@@ -6,6 +6,7 @@
 #include <epoxy/gl.h>
 #include <QMouseEvent>
 
+#include "renderer/demo/util.h"
 #include "renderer/gui/integration/public/gui_application_with_logger.h"
 #include "renderer/opengl/window.h"
 #include "renderer/render_pass.h"
@@ -172,6 +173,10 @@ void renderer_demo_1(const util::Path &path) {
 
 	auto pass2 = renderer->add_render_pass({display_obj}, renderer->get_display_target());
 
+	if (not check_uniform_completeness({obj1, obj2, obj3, proj_update, display_obj})) {
+		log::log(WARN << "Uniforms not complete.");
+	}
+
 	/* Data retrieved from the object index texture. */
 	resources::Texture2dData id_texture_data = id_texture->into_data();
 	bool texture_data_valid = false;
@@ -188,7 +193,7 @@ void renderer_demo_1(const util::Path &path) {
 			ssize_t y = qpos.y();
 
 			log::log(INFO << "Clicked at location (" << x << ", " << y << ")");
-			if (!texture_data_valid) {
+			if (not texture_data_valid) {
 				id_texture_data = id_texture->into_data();
 				texture_data_valid = true;
 			}

libopenage/renderer/demo/demo_2.cpp

@@ -6,6 +6,7 @@
 #include <epoxy/gl.h>
 #include <QMouseEvent>
 
+#include "renderer/demo/util.h"
 #include "renderer/gui/integration/public/gui_application_with_logger.h"
 #include "renderer/opengl/window.h"
 #include "renderer/render_pass.h"
@@ -224,6 +225,10 @@ void renderer_demo_2(const util::Path &path) {
 
 	auto pass2 = renderer->add_render_pass({display_obj}, renderer->get_display_target());
 
+	if (not check_uniform_completeness({proj_update, obj1, display_obj})) {
+		log::log(WARN << "Uniforms not complete.");
+	}
+
 	/* Data retrieved from the object index texture. */
 	resources::Texture2dData id_texture_data = id_texture->into_data();
 	bool texture_data_valid = false;
@@ -243,7 +248,7 @@ void renderer_demo_2(const util::Path &path) {
 			ssize_t y = qpos.y();
 
 			log::log(INFO << "Clicked at location (" << x << ", " << y << ")");
-			if (!texture_data_valid) {
+			if (not texture_data_valid) {
 				id_texture_data = id_texture->into_data();
 				texture_data_valid = true;
 			}

libopenage/renderer/demo/demo_4.cpp

@@ -5,6 +5,7 @@
 #include <eigen3/Eigen/Dense>
 #include <QKeyEvent>
 
+#include "renderer/demo/util.h"
 #include "renderer/gui/integration/public/gui_application_with_logger.h"
 #include "renderer/opengl/window.h"
 #include "renderer/render_pass.h"
@@ -165,6 +166,10 @@ void renderer_demo_4(const util::Path &path) {
 
 	auto pass2 = renderer->add_render_pass({display_obj}, renderer->get_display_target());
 
+	if (not check_uniform_completeness({proj_update, obj1, display_obj})) {
+		log::log(WARN << "Uniforms not complete.");
+	}
+
 	window.add_resize_callback([&](size_t w, size_t h, double /*scale*/) {
 		/* Calculate a projection matrix for the new screen size. */
 		float aspectRatio = float(w) / float(h);

libopenage/renderer/demo/demo_5.cpp

@@ -7,6 +7,7 @@
 #include <QMouseEvent>
 
 #include "renderer/camera/camera.h"
+#include "renderer/demo/util.h"
 #include "renderer/gui/integration/public/gui_application_with_logger.h"
 #include "renderer/opengl/window.h"
 #include "renderer/render_pass.h"
@@ -134,6 +135,10 @@ void renderer_demo_5(const util::Path &path) {
 		"tex",
 		gltex);
 
+	if (not check_uniform_completeness({terrain_obj})) {
+		log::log(WARN << "Uniforms not complete.");
+	}
+
 	// Move around the scene with WASD
 	window.add_key_callback([&](const QKeyEvent &ev) {
 		bool cam_update = false;

libopenage/renderer/demo/demo_6.cpp

@@ -9,6 +9,7 @@
 #include "renderer/camera/camera.h"
 #include "renderer/camera/frustum_2d.h"
 #include "renderer/camera/frustum_3d.h"
+#include "renderer/demo/util.h"
 #include "renderer/gui/integration/public/gui_application_with_logger.h"
 #include "renderer/opengl/window.h"
 #include "renderer/render_pass.h"
@@ -198,6 +199,7 @@ const renderer::Renderable RenderManagerDemo6::create_3d_obj() {
 	auto terrain_unifs = this->obj_3d_shader->new_uniform_input(
 		"tex",
 		this->obj_3d_texture);
+
 	std::vector<coord::scene3> terrain_pos{};
 	terrain_pos.push_back({-25, -25, 0});
 	terrain_pos.push_back({25, -25, 0});
@@ -487,6 +489,10 @@ void RenderManagerDemo6::create_render_passes() {
 	this->display_pass = renderer->add_render_pass(
 		{display_obj_3d, display_obj_2d, display_obj_frame},
 		renderer->get_display_target());
+
+	if (not check_uniform_completeness({display_obj_3d, display_obj_2d, display_obj_frame})) {
+		log::log(WARN << "Uniforms not complete.");
+	}
 }
 
 } // namespace openage::renderer::tests

libopenage/renderer/demo/util.cpp

@@ -1,8 +1,21 @@
-// Copyright 2015-2023 the openage authors. See copying.md for legal info.
+// Copyright 2015-2024 the openage authors. See copying.md for legal info.
 
 #include "util.h"
 
+#include "renderer/uniform_input.h"
+
 
 namespace openage::renderer::tests {
 
+bool check_uniform_completeness(const std::vector<Renderable> &renderables) {
+	// Iterate over each renderable object
+	for (const auto &renderable : renderables) {
+		if (renderable.uniform and not renderable.uniform->is_complete()) {
+			return false;
+		}
+	}
+
+	return true;
+}
+
 } // namespace openage::renderer::tests

libopenage/renderer/demo/util.h

@@ -1,7 +1,10 @@
-// Copyright 2023-2023 the openage authors. See copying.md for legal info.
+// Copyright 2023-2024 the openage authors. See copying.md for legal info.
 
 #pragma once
 
+#include <vector>
+
+#include "renderer/renderable.h"
 
 namespace openage::renderer::tests {
 
@@ -11,4 +14,12 @@ namespace openage::renderer::tests {
 	opengl::GlContext::check_error(); \
 	printf("after %s\n", txt);
 
+/**
+ * Check if all uniform values for the given renderables have been set.
+ *
+ * @param renderables The list of renderable objects to check.
+ * @return true if all uniforms have been set, false otherwise.
+ */
+bool check_uniform_completeness(const std::vector<Renderable> &renderables);
+
 } // namespace openage::renderer::tests

libopenage/renderer/opengl/uniform_input.cpp

@@ -50,4 +50,13 @@ GlUniformBufferInput::GlUniformBufferInput(const std::shared_ptr<UniformBuffer>
 	this->update_data.resize(offset);
 }
 
+bool GlUniformInput::is_complete() const {
+	for (const auto &uniform : this->update_offs) {
+		if (not uniform.used) {
+			return false;
+		}
+	}
+	return true;
+}
+
 } // namespace openage::renderer::opengl

libopenage/renderer/opengl/uniform_input.h

@@ -35,6 +35,11 @@ class GlUniformInput final : public UniformInput {
 public:
 	GlUniformInput(const std::shared_ptr<ShaderProgram> &prog);
 
+	/**
+	 * Check if all uniforms have been set.
+	 */
+	bool is_complete() const override;
+
 	/**
 	 * Store the IDs of the uniforms from the shader set by this uniform input.
 	 */

libopenage/renderer/uniform_input.h

@@ -66,6 +66,8 @@ class UniformInput : public DataInput {
 public:
 	virtual ~UniformInput() = default;
 
+	virtual bool is_complete() const = 0;
+
 	void update() override;
 	void update(const char *unif, int32_t val) override;
 	void update(const char *unif, uint32_t val) override;