CI shader validation

ci_shadervalidator/main.cpp

@@ -0,0 +1,112 @@
+#include "stdafx.h"
+#include "../gl/shader.h"
+#include "../gl/glsl_common.h"
+#include "Globals.h"
+#include <iostream>
+#include <fstream>
+#include <cstdlib>
+#include <filesystem>
+
+_global Global;
+
+bool check_shader(std::string filename)
+{
+	gl::shader shader_processor;
+
+	gl::glsl_common_setup();
+	std::pair<GLuint, std::string> source = shader_processor.process_source(filename, "../shaders/");
+
+	std::string stage;
+	if (source.first == GL_VERTEX_SHADER)
+		stage = "vert";
+	else if (source.first == GL_FRAGMENT_SHADER)
+		stage = "frag";
+	else if (source.first == GL_GEOMETRY_SHADER)
+		stage = "geom";
+	else
+		return false;
+
+	std::ofstream file("/tmp/shader");
+	file << source.second;
+	file.close();
+
+	int ret = system(("glslangValidator -S " + stage + " /tmp/shader").c_str());
+
+	return ret == 0;
+}
+
+bool check_shader_allopts(std::string filename)
+{
+	bool suc = true;
+
+	std::cout << "features on..." << std::flush;
+	Global.gfx_shadowmap_enabled = true;	
+	Global.gfx_envmap_enabled = true;
+	Global.gfx_postfx_motionblur_enabled = true;
+	Global.gfx_skippipeline = false;
+	Global.gfx_extraeffects = true;
+	Global.gfx_shadergamma = true;
+	if (!check_shader(filename))
+		suc = false;
+
+	std::cout << "done, features off..." << std::flush;
+	Global.gfx_shadowmap_enabled = false;
+	Global.gfx_envmap_enabled = false;
+	Global.gfx_postfx_motionblur_enabled = false;
+	Global.gfx_skippipeline = true;
+	Global.gfx_extraeffects = false;
+	Global.gfx_shadergamma = false;
+	if (!check_shader(filename))
+		suc = false;
+
+	std::cout << "done" << std::flush;
+
+	return suc;
+}
+
+
+bool check_shader_confs(std::string filename)
+{
+	bool suc = true;
+
+	std::cout << "desktop GL: " << std::flush;
+	Global.gfx_usegles = false;
+	if (!check_shader_allopts(filename))
+		suc = false;
+
+	std::cout << "; GLES: " << std::flush;
+	GLAD_GL_ES_VERSION_3_1 = 1;
+	Global.gfx_usegles = true;
+	if (!check_shader_allopts(filename))
+		suc = false;
+
+	std::cout << std::endl;
+
+	return suc;
+}
+
+int main()
+{
+	bool suc = true;
+	for (auto &f : std::filesystem::recursive_directory_iterator("../shaders/")) {
+		if (!f.is_regular_file())
+			continue;
+
+		std::string relative = std::filesystem::relative(f.path(), "../shaders/").string();
+		if (f.path().extension() != ".frag" && f.path().extension() != ".geom" && f.path().extension() != ".vert")
+			continue;
+
+		std::cout << "== validating shader " << relative << ": " << std::flush;
+		if (!check_shader_confs(relative))
+			suc = false;
+	}
+
+	if (suc)
+		std::cout << "==== all checks ok" << std::endl;
+	else {
+		std::cout << "==== checks failed" << std::endl;
+		return 1;
+	}
+
+	return 0;
+}