Introduce PSEMEK_PLATFORM and PSEMEK_PLATFORM_XXX variables

CMakeLists.txt

@@ -8,6 +8,36 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
 
 string(TOUPPER "${CMAKE_BUILD_TYPE}" PSEMEK_BUILD_TYPE)
 
+set(_PSEMEK_ALL_PLATFORMS linux windows mac android web)
+
+if(WIN32)
+	set(_PSEMEK_PLATFORM windows)
+elseif(APPLE)
+	set(_PSEMEK_PLATFORM mac)
+elseif(ANDROID)
+	set(_PSEMEK_PLATFORM android)
+elseif(UNIX)
+	if (CMAKE_SYSTEM_NAME STREQUAL Emscripten)
+		set(_PSEMEK_PLATFORM web)
+	else()
+		set(_PSEMEK_PLATFORM linux)
+	endif()
+else()
+	message(WARNING "Failed to detect platform")
+	set(_PSEMEK_PLATFORM unknown)
+endif()
+
+set(PSEMEK_PLATFORM "${_PSEMEK_PLATFORM}" CACHE INTERNAL "Build platform (auto-detected)")
+
+foreach(_PLATFORM IN LISTS _PSEMEK_ALL_PLATFORMS)
+	string(TOUPPER "${_PLATFORM}" _PLATFORM_UPPER)
+	set(_PLATFORM_ON OFF)
+	if("${_PLATFORM}" STREQUAL "${_PSEMEK_PLATFORM}")
+		set(_PLATFORM_ON ON)
+	endif()
+	set(PSEMEK_PLATFORM_${_PLATFORM_UPPER} "${_PLATFORM_ON}" CACHE INTERNAL "Build platform is ${_PLATFORM}")
+endforeach()
+
 set(PSEMEK_DEFINITIONS)
 if(PSEMEK_BUILD_TYPE STREQUAL "DEBUG")
 	list(APPEND PSEMEK_DEFINITIONS "-DPSEMEK_DEBUG=1")

libs/gfx/api/gl33/include/psemek/gfx/gl.hpp

@@ -147,6 +147,10 @@ typedef unsigned short GLhalfNV;
 typedef GLintptr GLvdpauSurfaceNV;
 typedef void (GLVULKANPROCNV)(void);
 
+#include <unordered_set>
+#include <string>
+#include <string_view>
+
 namespace gl
 {
 
@@ -1865,14 +1869,13 @@ namespace gl
 		const char * api();
 		int major_version();
 		int minor_version();
+		std::unordered_set<std::string> const & extensions();
+		std::string_view shader_prelude();
 
-		bool has_extension(const char * name);
 		bool ext_ARB_compute_shader();
 		bool ext_ARB_shader_image_load_store();
 		bool ext_ARB_texture_filter_anisotropic();
 
-		const char * shader_prefix();
-
 	} // namespace sys
 
 } // namespace gl

libs/gfx/api/gl33/source/gl.cpp

@@ -11,6 +11,8 @@
 #include <stdio.h>
 #elif defined(_WIN32)
 #include <windows.h>
+#elif defined(__ANDROID__) || defined(__EMSCRIPTEN__)
+#include <EGL/egl.h>
 #else
 #include <GL/glx.h>
 #endif
@@ -77,6 +79,13 @@ namespace gl
 		
 			return reinterpret_cast<void*>(GetProcAddress(image, reinterpret_cast<LPCSTR>(name)));
 		}
+		
+		#elif defined(__ANDROID__) || defined(__EMSCRIPTEN__)
+		
+		static void * get_proc_address(const char *func)
+		{
+			return reinterpret_cast<void *>(eglGetProcAddress(func));
+		}
 			
 		#else // GLX
 		
@@ -1244,7 +1253,7 @@ namespace gl
 			return true;
 		}
 
-		static std::unordered_set<std::string> extensions;
+		static std::unordered_set<std::string> extensions_set;
 		bool initialize()
 		{
 			if (!load_core()) return false;
@@ -1252,13 +1261,13 @@ namespace gl
 			GLint num_extensions;
 			internal::glGetIntegerv(0x821D, &num_extensions);
 			for (GLint i = 0; i < num_extensions; ++i)
-				extensions.insert(reinterpret_cast<const char *>(internal::glGetStringi(0x1F03, i)));
+				extensions_set.insert(reinterpret_cast<const char *>(internal::glGetStringi(0x1F03, i)));
 
-			if (extensions.count("GL_ARB_compute_shader") > 0)
+			if (extensions_set.count("GL_ARB_compute_shader") > 0)
 				ext_GL_ARB_compute_shader_loaded = load_ext_GL_ARB_compute_shader();
-			if (extensions.count("GL_ARB_shader_image_load_store") > 0)
+			if (extensions_set.count("GL_ARB_shader_image_load_store") > 0)
 				ext_GL_ARB_shader_image_load_store_loaded = load_ext_GL_ARB_shader_image_load_store();
-			if (extensions.count("GL_ARB_texture_filter_anisotropic") > 0)
+			if (extensions_set.count("GL_ARB_texture_filter_anisotropic") > 0)
 				ext_GL_ARB_texture_filter_anisotropic_loaded = load_ext_GL_ARB_texture_filter_anisotropic();
 
 			return true;
@@ -1270,19 +1279,16 @@ namespace gl
 
 		int minor_version(){ return 3; }
 
-		bool has_extension(const char * name){ return extensions.contains(name); }
+		std::unordered_set<std::string> const & extensions(){ return extensions_set; }
+
+		std::string_view shader_prelude(){ return R"(#version 330 core
+)";
+		}
 
 		bool ext_ARB_compute_shader(){ return ext_GL_ARB_compute_shader_loaded; }
 		bool ext_ARB_shader_image_load_store(){ return ext_GL_ARB_shader_image_load_store_loaded; }
 		bool ext_ARB_texture_filter_anisotropic(){ return ext_GL_ARB_texture_filter_anisotropic_loaded; }
 
-		const char * shader_prefix()
-		{
-			return R"(#version 330 core
-
-)";
-		}
-
 	} // namespace sys
 
 } // namespace gl

libs/gfx/api/gles30-emscripten/include/psemek/gfx/gl.hpp

@@ -147,6 +147,10 @@ typedef unsigned short GLhalfNV;
 typedef GLintptr GLvdpauSurfaceNV;
 typedef void (GLVULKANPROCNV)(void);
 
+#include <unordered_set>
+#include <string>
+#include <string_view>
+
 namespace gl
 {
 
@@ -1288,9 +1292,13 @@ namespace gl
 
 	// GL_EXT_texture_filter_anisotropic
 
-	constexpr GLenum TEXTURE_MAX_ANISOTROPY = 0x84FE;
-	constexpr GLenum MAX_TEXTURE_MAX_ANISOTROPY = 0x84FF;
+	constexpr GLenum TEXTURE_MAX_ANISOTROPY_EXT = 0x84FE;
+	constexpr GLenum MAX_TEXTURE_MAX_ANISOTROPY_EXT = 0x84FF;
 
+	// Manually added compatibility constants
+
+	constexpr GLenum TEXTURE_MAX_ANISOTROPY = TEXTURE_MAX_ANISOTROPY_EXT;
+	constexpr GLenum MAX_TEXTURE_MAX_ANISOTROPY = MAX_TEXTURE_MAX_ANISOTROPY_EXT;
 
 	namespace sys
 	{
@@ -1299,12 +1307,11 @@ namespace gl
 		const char * api();
 		int major_version();
 		int minor_version();
+		std::unordered_set<std::string> const & extensions();
+		std::string_view shader_prelude();
 
-		bool has_extension(const char * name);
 		bool ext_EXT_texture_filter_anisotropic();
 
-		const char * shader_prefix();
-
 	} // namespace sys
 
 } // namespace gl

libs/gfx/api/gles30-emscripten/source/gl.cpp

@@ -11,9 +11,8 @@
 #include <stdio.h>
 #elif defined(_WIN32)
 #include <windows.h>
-#elif defined(__EMSCRIPTEN__)
+#elif defined(__ANDROID__) || defined(__EMSCRIPTEN__)
 #include <EGL/egl.h>
-#include <GLES3/gl3.h>
 #else
 #include <GL/glx.h>
 #endif
@@ -80,14 +79,14 @@ namespace gl
 		
 			return reinterpret_cast<void*>(GetProcAddress(image, reinterpret_cast<LPCSTR>(name)));
 		}
-
-		#elif defined(__EMSCRIPTEN__)
-
+		
+		#elif defined(__ANDROID__) || defined(__EMSCRIPTEN__)
+		
 		static void * get_proc_address(const char *func)
 		{
 			return reinterpret_cast<void *>(eglGetProcAddress(func));
 		}
-
+			
 		#else // GLX
 		
 		static void * get_proc_address(const char *func)
@@ -868,7 +867,7 @@ namespace gl
 			return true;
 		}
 
-		static std::unordered_set<std::string> extensions;
+		static std::unordered_set<std::string> extensions_set;
 		bool initialize()
 		{
 			if (!load_core()) return false;
@@ -876,9 +875,9 @@ namespace gl
 			GLint num_extensions;
 			internal::glGetIntegerv(0x821D, &num_extensions);
 			for (GLint i = 0; i < num_extensions; ++i)
-				extensions.insert(reinterpret_cast<const char *>(internal::glGetStringi(0x1F03, i)));
+				extensions_set.insert(reinterpret_cast<const char *>(internal::glGetStringi(0x1F03, i)));
 
-			if (extensions.count("GL_EXT_texture_filter_anisotropic") > 0)
+			if (extensions_set.count("GL_EXT_texture_filter_anisotropic") > 0)
 				ext_GL_EXT_texture_filter_anisotropic_loaded = load_ext_GL_EXT_texture_filter_anisotropic();
 
 			return true;
@@ -890,22 +889,19 @@ namespace gl
 
 		int minor_version(){ return 0; }
 
-		bool has_extension(const char * name){ return extensions.contains(name); }
+		std::unordered_set<std::string> const & extensions(){ return extensions_set; }
 
-		bool ext_EXT_texture_filter_anisotropic(){ return ext_GL_EXT_texture_filter_anisotropic_loaded; }
-
-		const char * shader_prefix()
-		{
-			return R"(#version 300 es
+		std::string_view shader_prelude(){ return R"(#version 300 es
 
 precision highp int;
 precision highp float;
 precision highp sampler2D;
 precision highp usampler2D;
-
 )";
 		}
 
+		bool ext_EXT_texture_filter_anisotropic(){ return ext_GL_EXT_texture_filter_anisotropic_loaded; }
+
 	} // namespace sys
 
 } // namespace gl

libs/gfx/api/gles32/include/psemek/gfx/gl.hpp

@@ -147,6 +147,10 @@ typedef unsigned short GLhalfNV;
 typedef GLintptr GLvdpauSurfaceNV;
 typedef void (GLVULKANPROCNV)(void);
 
+#include <unordered_set>
+#include <string>
+#include <string_view>
+
 namespace gl
 {
 
@@ -1949,17 +1953,14 @@ namespace gl
 		const char * api();
 		int major_version();
 		int minor_version();
+		std::unordered_set<std::string> const & extensions();
+		std::string_view shader_prelude();
 
-		bool has_extension(const char * name);
 		bool ext_ARB_compute_shader();
 		bool ext_ARB_shader_image_load_store();
 		bool ext_ARB_texture_filter_anisotropic();
 
-		const char * shader_prefix();
-
 	} // namespace sys
 
 } // namespace gl
 
-#define PSEMEK_GLES 1
-

libs/gfx/api/gles32/source/gl.cpp

@@ -1235,7 +1235,7 @@ namespace gl
 			return true;
 		}
 
-		static std::unordered_set<std::string> extensions;
+		static std::unordered_set<std::string> extensions_set;
 		bool initialize()
 		{
 			if (!load_core()) return false;
@@ -1243,13 +1243,13 @@ namespace gl
 			GLint num_extensions;
 			internal::glGetIntegerv(0x821D, &num_extensions);
 			for (GLint i = 0; i < num_extensions; ++i)
-				extensions.insert(reinterpret_cast<const char *>(internal::glGetStringi(0x1F03, i)));
+				extensions_set.insert(reinterpret_cast<const char *>(internal::glGetStringi(0x1F03, i)));
 
-			if (extensions.count("GL_ARB_compute_shader") > 0)
+			if (extensions_set.count("GL_ARB_compute_shader") > 0)
 				ext_GL_ARB_compute_shader_loaded = load_ext_GL_ARB_compute_shader();
-			if (extensions.count("GL_ARB_shader_image_load_store") > 0)
+			if (extensions_set.count("GL_ARB_shader_image_load_store") > 0)
 				ext_GL_ARB_shader_image_load_store_loaded = load_ext_GL_ARB_shader_image_load_store();
-			if (extensions.count("GL_ARB_texture_filter_anisotropic") > 0)
+			if (extensions_set.count("GL_ARB_texture_filter_anisotropic") > 0)
 				ext_GL_ARB_texture_filter_anisotropic_loaded = load_ext_GL_ARB_texture_filter_anisotropic();
 
 			return true;
@@ -1261,24 +1261,21 @@ namespace gl
 
 		int minor_version(){ return 2; }
 
-		bool has_extension(const char * name){ return extensions.contains(name); }
+		std::unordered_set<std::string> const & extensions(){ return extensions_set; }
 
-		bool ext_ARB_compute_shader(){ return ext_GL_ARB_compute_shader_loaded; }
-		bool ext_ARB_shader_image_load_store(){ return ext_GL_ARB_shader_image_load_store_loaded; }
-		bool ext_ARB_texture_filter_anisotropic(){ return ext_GL_ARB_texture_filter_anisotropic_loaded; }
-
-		const char * shader_prefix()
-		{
-			return R"(#version 320 es
+		std::string_view shader_prelude(){ return R"(#version 320 es
 
 precision highp int;
 precision highp float;
 precision highp sampler2D;
 precision highp usampler2D;
-
 )";
 		}
 
+		bool ext_ARB_compute_shader(){ return ext_GL_ARB_compute_shader_loaded; }
+		bool ext_ARB_shader_image_load_store(){ return ext_GL_ARB_shader_image_load_store_loaded; }
+		bool ext_ARB_texture_filter_anisotropic(){ return ext_GL_ARB_texture_filter_anisotropic_loaded; }
+
 	} // namespace sys
 
 } // namespace gl

libs/gfx/gl-loader-generator-config-gl33.json

@@ -13,9 +13,10 @@
 	"loader_namespace": "sys",
 	"internal_namespace": "internal",
 	"internal_prefix": "",
+	"shader_prelude": true,
 	"undef": 4,
 	"strip": true,
-	"out_header": "gl.hpp",
-	"out_source": "gl.cpp",
+	"out_header": "api/gl33/include/psemek/gfx/gl.hpp",
+	"out_source": "api/gl33/source/gl.cpp",
 	"include": "<psemek/gfx/gl.hpp>"
 }

libs/gfx/gl-loader-generator-config-gles30-emscripten.json

@@ -1,6 +1,6 @@
 {
 	"spec_file": "gl.xml",
-	"api": "gles2",
+	"api": "gles3",
 	"version": "3.0",
 	"profile": "core",
 	"extensions": [
@@ -11,9 +11,10 @@
 	"loader_namespace": "sys",
 	"internal_namespace": "internal",
 	"internal_prefix": "",
+	"shader_prelude": true,
 	"undef": 4,
 	"strip": true,
-	"out_header": "gl.hpp",
-	"out_source": "gl.cpp",
+	"out_header": "api/gles30-emscripten/include/psemek/gfx/gl.hpp",
+	"out_source": "api/gles30-emscripten/source/gl.cpp",
 	"include": "<psemek/gfx/gl.hpp>"
 }

libs/gfx/gl-loader-generator-config-gles32.json

@@ -1,6 +1,6 @@
 {
 	"spec_file": "gl.xml",
-	"api": "gles2",
+	"api": "gles3",
 	"version": "3.2",
 	"profile": "core",
 	"extensions": [
@@ -13,9 +13,10 @@
 	"loader_namespace": "sys",
 	"internal_namespace": "internal",
 	"internal_prefix": "",
+	"shader_prelude": true,
 	"undef": 4,
 	"strip": true,
-	"out_header": "gl.hpp",
-	"out_source": "gl.cpp",
+	"out_header": "api/gles32/include/psemek/gfx/gl.hpp",
+	"out_source": "api/gles32/source/gl.cpp",
 	"include": "<psemek/gfx/gl.hpp>"
 }

libs/gfx/include/psemek/gfx/texture_view.hpp

@@ -60,8 +60,11 @@ namespace psemek::gfx
 		, part(part)
 	{}
 
+#ifndef PSEMEK_GLES
 	using texture_view_1d       = basic_texture_view<1, gl::TEXTURE_1D>;
 	using texture_view_1d_array = basic_texture_view<2, gl::TEXTURE_1D_ARRAY>;
+#endif
+
 	using texture_view_2d       = basic_texture_view<2, gl::TEXTURE_2D>;
 	using texture_view_2d_array = basic_texture_view<3, gl::TEXTURE_2D_ARRAY>;
 	using texture_view_3d       = basic_texture_view<3, gl::TEXTURE_3D>;

libs/gfx/source/effect/blur.cpp

@@ -1,6 +1,7 @@
 #include <psemek/gfx/effect/blur.hpp>
 #include <psemek/gfx/program.hpp>
 #include <psemek/gfx/array.hpp>
+#include <psemek/gfx/gl.hpp>
 
 #include <psemek/util/to_string.hpp>
 
@@ -12,8 +13,7 @@ namespace psemek::gfx
 {
 
 	static char const blur_vs[] =
-R"(#version 330
-
+R"(
 const vec4 vertices[6] = vec4[6](
 	vec4(-1.0, -1.0, 0.0, 1.0),
 	vec4( 1.0, -1.0, 0.0, 1.0),
@@ -34,8 +34,7 @@ void main()
 )";
 
 	static char const blur_fs_template[] =
-R"(#version 330
-
+R"(
 #define BLUR_SIZE @BLUR_SIZE@
 #define BLUR_COEFFS_COUNT 2 * BLUR_SIZE + 1
 
@@ -118,7 +117,7 @@ void main()
 		gfx::array array;
 
 		blur_impl(int size, float sigma, float gamma, bool horizontal)
-			: program(blur_vs, generate_blur_fs_source(size, sigma, horizontal))
+			: program(std::string(gl::sys::shader_prelude()) + blur_vs, std::string(gl::sys::shader_prelude()) + generate_blur_fs_source(size, sigma, horizontal))
 		{
 			program.bind();
 			program["u_texture"] = 0;

libs/gfx/source/effect/fxaa.cpp

@@ -2,13 +2,13 @@
 #include <psemek/gfx/program.hpp>
 #include <psemek/gfx/array.hpp>
 #include <psemek/gfx/error.hpp>
+#include <psemek/gfx/gl.hpp>
 
 namespace psemek::gfx
 {
 
 	static char const fxaa_vs[] =
-R"(#version 330
-
+R"(
 const vec4 vertices[6] = vec4[6](
 	vec4(-1.0, -1.0, 0.0, 1.0),
 	vec4( 1.0, -1.0, 0.0, 1.0),
@@ -34,8 +34,7 @@ void main()
 // TODO: refactor
 
 	static char const fxaa_fs[] =
-R"(#version 330
-
+R"(
 uniform sampler2D u_input;
 uniform vec2 u_d;
 
@@ -207,7 +206,7 @@ void main()
 
 	struct fxaa::impl
 	{
-		gfx::program program{fxaa_vs, fxaa_fs};
+		gfx::program program{std::string(gl::sys::shader_prelude()) + fxaa_vs, std::string(gl::sys::shader_prelude()) + fxaa_fs};
 		gfx::array array;
 	};
 

libs/gfx/source/effect/gamma.cpp

@@ -2,13 +2,13 @@
 #include <psemek/gfx/program.hpp>
 #include <psemek/gfx/array.hpp>
 #include <psemek/gfx/error.hpp>
+#include <psemek/gfx/gl.hpp>
 
 namespace psemek::gfx
 {
 
 	static char const gamma_vs[] =
-R"(#version 330
-
+R"(
 const vec4 vertices[6] = vec4[6](
 	vec4(-1.0, -1.0, 0.0, 1.0),
 	vec4( 1.0, -1.0, 0.0, 1.0),
@@ -30,8 +30,7 @@ void main()
 )";
 
 	static char const gamma_fs[] =
-R"(#version 330
-
+R"(
 uniform float u_gamma;
 uniform sampler2D u_input;
 
@@ -49,7 +48,7 @@ void main()
 
 	struct gamma_correction::impl
 	{
-		gfx::program program{gamma_vs, gamma_fs};
+		gfx::program program{std::string(gl::sys::shader_prelude()) + gamma_vs, std::string(gl::sys::shader_prelude()) + gamma_fs};
 		gfx::array array;
 	};
 

libs/gfx/source/effect/overlay.cpp

@@ -1,6 +1,7 @@
 #include <psemek/gfx/effect/overlay.hpp>
 #include <psemek/gfx/program.hpp>
 #include <psemek/gfx/array.hpp>
+#include <psemek/gfx/gl.hpp>
 
 #include <psemek/util/pimpl.hpp>
 
@@ -8,8 +9,7 @@ namespace psemek::gfx
 {
 
 	static char const overlay_vs[] =
-R"(#version 330
-
+R"(
 const vec4 vertices[6] = vec4[6](
 	vec4(-1.0, -1.0, 0.0, 1.0),
 	vec4( 1.0, -1.0, 0.0, 1.0),
@@ -30,8 +30,7 @@ void main()
 )";
 
 	static char const overlay_fs[] =
-R"(#version 330
-
+R"(
 uniform sampler2D u_texture;
 
 in vec2 texcoord;
@@ -46,7 +45,7 @@ void main()
 
 	struct overlay::impl
 	{
-		gfx::program program{overlay_vs, overlay_fs};
+		gfx::program program{std::string(gl::sys::shader_prelude()) + overlay_vs, std::string(gl::sys::shader_prelude()) + overlay_fs};
 		gfx::array array;
 	};
 

libs/gfx/source/memory.cpp

@@ -6,8 +6,8 @@ namespace psemek::gfx
 
 	std::optional<std::size_t> available_memory()
 	{
-		static bool const nvx = gl::sys::has_extension("GL_NVX_gpu_memory_info");
-		static bool const ati = gl::sys::has_extension("GL_ATI_meminfo");
+		static bool const nvx = gl::sys::extensions().contains("GL_NVX_gpu_memory_info");
+		static bool const ati = gl::sys::extensions().contains("GL_ATI_meminfo");
 
 		if (nvx)
 		{

libs/gfx/source/painter.cpp

@@ -107,7 +107,7 @@ void main()
 namespace psemek::gfx
 {
 
-	static std::string shader_prefix = gl::sys::shader_prefix();
+	static std::string shader_prefix = std::string{gl::sys::shader_prelude()};
 
 	struct painter::impl
 	{

package/CMakeLists.txt

@@ -3,26 +3,11 @@ set(PSEMEK_PACKAGE_OUTPUT_PATH "" CACHE STRING "Packaging output path")
 set(PSEMEK_PACKAGE_VERSION_SUFFIX "" CACHE STRING "Packaging version suffix")
 
 if(PSEMEK_PACKAGE_MODE)
-	if(WIN32)
-		set(PSEMEK_PACKAGE_SUFFIX_RAW windows)
-	elseif(APPLE)
-		set(PSEMEK_PACKAGE_SUFFIX_RAW mac)
-	elseif(ANDROID)
-		set(PSEMEK_PACKAGE_SUFFIX_RAW android)
-	elseif(UNIX)
-		if (CMAKE_SYSTEM_NAME STREQUAL Emscripten)
-			set(PSEMEK_PACKAGE_SUFFIX_RAW web)
-		else()
-			set(PSEMEK_PACKAGE_SUFFIX_RAW linux)
-		endif()
-	else()
-		message(FATAL "Uknown system for packaging")
-	endif()
-	set(PSEMEK_PACKAGE_SUFFIX ${PSEMEK_PACKAGE_SUFFIX_RAW} CACHE INTERNAL "Packaging suffix" FORCE)
+	set(PSEMEK_PACKAGE_SUFFIX ${PSEMEK_PLATFORM} CACHE INTERNAL "Packaging suffix" FORCE)
 
 	set(PSEMEK_PACKAGE_LINK_FLAGS_RAW)
 
-	if(CMAKE_SYSTEM_NAME STREQUAL Emscripten)
+	if(PSEMEK_PLATFORM_WEB)
 		list(APPEND PSEMEK_PACKAGE_LINK_FLAGS_RAW "-sMIN_WEBGL_VERSION=2" "-sNO_DISABLE_EXCEPTION_CATCHING" "-sFULL_ES3")
 		list(APPEND PSEMEK_PACKAGE_LINK_FLAGS_RAW "-sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='$autoResumeAudioContext','$dynCall'")
 		if(CMAKE_BUILD_TYPE STREQUAL Debug)
@@ -41,7 +26,7 @@ function(psemek_package_output_path target outvar)
 		message(FATAL "psemek_package_output_path must only be called during packaging")
 	endif()
 
-	if(ANDROID)
+	if(PSEMEK_PLATFORM_ANDROID)
 		set(_PACKAGE_EXTENSION apk)
 	else()
 		set(_PACKAGE_EXTENSION zip)
@@ -60,7 +45,7 @@ function(psemek_add_executable_impl target is_application)
 
 		target_link_libraries(${target} PUBLIC psemek)
 		if(${is_application})
-			if(ANDROID)
+			if(PSEMEK_PLATFORM_ANDROID)
 				target_link_libraries(${target} PUBLIC
 					"-Wl,--whole-archive $<TARGET_FILE:${PSEMEK_BACKEND_LIBRARY}> -Wl,--no-whole-archive"
 					${PSEMEK_BACKEND_LIBRARY})
@@ -68,7 +53,7 @@ function(psemek_add_executable_impl target is_application)
 				target_link_libraries(${target} PUBLIC ${PSEMEK_BACKEND_LIBRARY})
 			endif()
 
-			if(CMAKE_SYSTEM_NAME STREQUAL Emscripten)
+			if(PSEMEK_PLATFORM_WEB)
 				target_link_options(${target} PRIVATE
 					"--shell-file=${CMAKE_CURRENT_FUNCTION_LIST_DIR}/web/template.html"
 				)
@@ -83,13 +68,13 @@ function(psemek_add_executable_impl target is_application)
 
 			target_compile_definitions(${target} PUBLIC "-DPSEMEK_PACKAGE_MODE")
 
-			if(UNIX AND (NOT APPLE))
+			if(PSEMEK_PLATFORM_LINUX)
 				set_target_properties(${target} PROPERTIES
 					BUILD_RPATH "."
 				)
 			endif()
 
-			if(UNIX AND (NOT APPLE) AND (NOT ANDROID) AND (NOT (CMAKE_SYSTEM_NAME STREQUAL Emscripten)))
+			if(PSEMEK_PLATFORM_LINUX)
 				add_custom_command(TARGET ${target} POST_BUILD
 					COMMAND chrpath -r . $<TARGET_FILE:${target}>
 				)
@@ -97,13 +82,13 @@ function(psemek_add_executable_impl target is_application)
 
 			psemek_package_output_path(${target} _OUTPUT_PATH)
 
-			if(NOT ANDROID)
+			if(NOT PSEMEK_PLATFORM_ANDROID)
 				get_filename_component(_OUTPUT_DIRECTORY "${_OUTPUT_PATH}" DIRECTORY)
 
 				set(_TARGET_FILE $<TARGET_FILE:${target}>)
 
 				set(_TARGET_RUNTIME)
-				if(CMAKE_SYSTEM_NAME STREQUAL Emscripten)
+				if(PSEMEK_PLATFORM_WEB)
 					set(_TARGET_PARENT $<PATH:GET_PARENT_PATH,${_TARGET_FILE}>)
 					set(_TARGET_STEM $<PATH:GET_STEM,${_TARGET_FILE}>)
 					set(_TARGET_NOEXT "${_TARGET_PARENT}/${_TARGET_STEM}")
@@ -126,6 +111,7 @@ function(psemek_add_executable_impl target is_application)
 				add_custom_command(TARGET ${target} POST_BUILD
 					COMMAND echo Packaging target ${target} into ${_OUTPUT_PATH}
 					COMMAND mkdir -pv "${_OUTPUT_DIRECTORY}"
+					COMMAND rm -f "${_OUTPUT_PATH}"
 					COMMAND zip -v "${_OUTPUT_PATH}" -j ${_COPY_FILES}
 					COMMAND echo Packaged target ${target} into ${_OUTPUT_PATH}
 				)
@@ -204,7 +190,7 @@ function(psemek_add_library target)
 endfunction()
 
 function(psemek_add_winrc target path)
-	if(WIN32 AND (TARGET ${target}))
+	if(PSEMEK_PLATFORM_WINDOWS AND (TARGET ${target}))
 		get_target_property(OUT_DIR ${target} BINARY_DIR)
 
 		set(_IN_FILE "${CMAKE_CURRENT_SOURCE_DIR}/${path}")
@@ -224,12 +210,12 @@ endfunction()
 function(psemek_package_files target)
 	if(PSEMEK_PACKAGE_MODE)
 		if(PSEMEK_PACKAGE_TARGET)
-			if(ANDROID)
+			if(PSEMEK_PLATFORM_ANDROID)
 				add_custom_command(TARGET ${target} POST_BUILD
 					WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
 					COMMAND ${PSEMEK_COPY_FILES} ${ARGN}
 				)
-			elseif(CMAKE_SYSTEM_NAME STREQUAL Emscripten)
+			elseif(PSEMEK_PLATFORM_WEB)
 				foreach(_FILE IN LISTS ARGN)
 					target_link_options(${target} PRIVATE
 						"--preload-file=${CMAKE_CURRENT_LIST_DIR}/${_FILE}@/${_FILE}"