Day 10 Complete

2025-11-03 15:26:12 -08:00 · 2023-09-14 00:43:35 -04:00
parent 3a0d1124c9
commit 97c2a46805
6 changed files with 87 additions and 89 deletions
--- a/project/handmade_win32.cpp
+++ b/project/handmade_win32.cpp
@@ -512,6 +512,7 @@ WinMain(

 	JSL_DeviceHandle device_handles[4] {};
 	u32 jsl_getconnected_found = JslGetConnectedDeviceHandles( device_handles, jsl_num_devices );
+	{
 		if ( jsl_getconnected_found != jsl_num_devices )
 		{
 			OutputDebugStringA( "Error: JSLGetConnectedDeviceHandles didn't find as many as were stated with JslConnectDevices\n");
@@ -525,6 +526,8 @@ WinMain(
 				JslSetLightColour( device_handles[ jsl_device_index ], (255 << 8) );
 			}
 		}
+	}
+

 	// MessageBox( 0, L"First message!", L"Handmade Hero", MB_Ok_Btn | MB_Icon_Information );

@@ -611,12 +614,19 @@ WinMain(
 	u16 stick_right_x = 0;
 	u16 stick_right_y = 0;

-
 	// TODO : Add sine wave test

 	// Windows
 	MSG window_msg_info;

+	u64 perf_counter_frequency;
+	QueryPerformanceFrequency( rcast(LARGE_INTEGER*, & perf_counter_frequency) );
+
+	u64 last_frame_time;
+	QueryPerformanceCounter( rcast(LARGE_INTEGER*, & last_frame_time) );
+
+	u64 last_cycle_time = __rdtsc();
+
 	while( Running )
 	{
 		// Window Management
@@ -820,6 +830,28 @@ WinMain(
 		#endif
 			DS_SecondaryBuffer->Play( 0, 0, DSBPLAY_LOOPING );
 		} while(0);
+
+		u64 end_cycle_count = __rdtsc();
+
+		u64 frame_cycle_time_end;
+		QueryPerformanceCounter( rcast( LARGE_INTEGER*, & frame_cycle_time_end) );
+
+		// TODO : Display value here
+
+		#define MS_PER_SECOND 1000
+		#define MegaCycles_Per_Second (1000 * 1000)
+		u64 cycles_elapsed      = end_cycle_count - last_cycle_time;
+		s32 mega_cycles_elapsed = cycles_elapsed / MegaCycles_Per_Second;
+		u64 frame_time_elapsed  = frame_cycle_time_end - last_frame_time;
+		u32 ms_per_frame        = MS_PER_SECOND * frame_time_elapsed / perf_counter_frequency;
+		u32 fps                 = perf_counter_frequency / frame_time_elapsed;
+
+		char ms_timing_debug[256] {};
+		wsprintfA( ms_timing_debug, "%d ms\n" "FPS: %d\n" "mega cycles: %d\n", ms_per_frame, fps, mega_cycles_elapsed );
+		OutputDebugStringA( ms_timing_debug );
+
+		last_cycle_time = end_cycle_count;
+		last_frame_time = frame_cycle_time_end;
 	}

 	if ( jsl_num_devices > 0 )
--- a/project/platform/grime.h
+++ b/project/platform/grime.h
@@ -5,64 +5,46 @@
 /* Platform architecture */

 #if defined( _WIN64 ) || defined( __x86_64__ ) || defined( _M_X64 ) || defined( __64BIT__ ) || defined( __powerpc64__ ) || defined( __ppc64__ ) || defined( __aarch64__ )
-#	ifndef GEN_ARCH_64_BIT
-#		define GEN_ARCH_64_BIT 1
+#	ifndef ARCH_64_BIT
+#		define ARCH_64_BIT 1
 #	endif
 #else
-#	ifndef GEN_ARCH_32_BItxt_StrCaT
-#		define GEN_ARCH_32_BIT 1
-#	endif
+#	error A 32-bit architecture is not supported
 #endif

 /* Platform OS */

 #if defined( _WIN32 ) || defined( _WIN64 )
-#	ifndef GEN_SYSTEM_WINDOWS
-#		define GEN_SYSTEM_WINDOWS 1
+#	ifndef SYSTEM_WINDOWS
+#		define SYSTEM_WINDOWS 1
 #	endif
 #elif defined( __APPLE__ ) && defined( __MACH__ )
-#	ifndef GEN_SYSTEM_OSX
-#		define GEN_SYSTEM_OSX 1
+#	ifndef SYSTEM_OSX
+#		define SYSTEM_OSX 1
 #	endif
-#	ifndef GEN_SYSTEM_MACOS
-#		define GEN_SYSTEM_MACOS 1
+#	ifndef SYSTEM_MACOS
+#		define SYSTEM_MACOS 1
 #	endif
 #	include <TargetConditionals.h>
 #	if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
-#		ifndef GEN_SYSTEM_IOS
-#			define GEN_SYSTEM_IOS 1
+#		ifndef SYSTEM_IOS
+#			define SYSTEM_IOS 1
 #		endif
 #	endif
 #elif defined( __unix__ )
-#	ifndef GEN_SYSTEM_UNIX
+#	ifndef SYSTEM_UNIX
 #		define GEN_SYSTEM_UNIX 1
 #	endif
 #	if defined( ANDROID ) || defined( __ANDROID__ )
-#		ifndef GEN_SYSTEM_ANDROID
-#			define GEN_SYSTEM_ANDROID 1
+#		ifndef SYSTEM_ANDROID
+#			define SYSTEM_ANDROID 1
 #		endif
-#		ifndef GEN_SYSTEM_LINUX
-#			define GEN_SYSTEM_LINUX 1
+#		ifndef SYSTEM_LINUX
+#			define SYSTEM_LINUX 1
 #		endif
 #	elif defined( __linux__ )
-#		ifndef GEN_SYSTEM_LINUX
-#			define GEN_SYSTEM_LINUX 1
-#		endif
-#	elif defined( __FreeBSD__ ) || defined( __FreeBSD_kernel__ )
-#		ifndef GEN_SYSTEM_FREEBSD
-#			define GEN_SYSTEM_FREEBSD 1
-#		endif
-#	elif defined( __OpenBSD__ )
-#		ifndef GEN_SYSTEM_OPENBSD
-#			define GEN_SYSTEM_OPENBSD 1
-#		endif
-#	elif defined( __EMSCRIPTEN__ )
-#		ifndef GEN_SYSTEM_EMSCRIPTEN
-#			define GEN_SYSTEM_EMSCRIPTEN 1
-#		endif
-#	elif defined( __CYGWIN__ )
-#		ifndef GEN_SYSTEM_CYGWIN
-#			define GEN_SYSTEM_CYGWIN 1
+#		ifndef SYSTEM_LINUX
+#			define SYSTEM_LINUX 1
 #		endif
 #	else
 #		error This UNIX operating system is not supported
@@ -74,29 +56,17 @@
 /* Platform compiler */

 #if defined( _MSC_VER )
-#	define GEN_COMPILER_MSVC 1
-#elif defined( __GNUC__ )
-#	define GEN_COMPILER_GCC 1
+#	define COMPILER_MSVC 1
 #elif defined( __clang__ )
-#	define GEN_COMPILER_CLANG 1
-#elif defined( __MINGW32__ )
-#	define GEN_COMPILER_MINGW 1
+#	define COMPILER_CLANG 1
+#else
 #	error Unknown compiler
 #endif

 #if defined( __has_attribute )
-#	define GEN_HAS_ATTRIBUTE( attribute ) __has_attribute( attribute )
+#	define HAS_ATTRIBUTE( attribute ) __has_attribute( attribute )
 #else
-#	define GEN_HAS_ATTRIBUTE( attribute ) ( 0 )
-#endif
-
-#if defined(GEN_GCC_VERSION_CHECK)
-#  undef GEN_GCC_VERSION_CHECK
-#endif
-#if defined(GEN_GCC_VERSION)
-#  define GEN_GCC_VERSION_CHECK(major,minor,patch) (GEN_GCC_VERSION >= GEN_VERSION_ENCODE(major, minor, patch))
-#else
-#  define GEN_GCC_VERSION_CHECK(major,minor,patch) (0)
+#	define HAS_ATTRIBUTE( attribute ) ( 0 )
 #endif

 #pragma endregion Platform Detection
@@ -106,7 +76,7 @@
 #	include <stdarg.h>
 #	include <stddef.h>

-#	if defined( GEN_SYSTEM_WINDOWS )
+#	if defined( SYSTEM_WINDOWS )
 #		include <intrin.h>
 #	endif

--- a/project/platform/math_constants.h
+++ b/project/platform/math_constants.h
@@ -1,4 +1,5 @@
-#	define CONSTANTS
+#pragma once
+
 #	define EPSILON    1.19209290e-7f
 #	define ZERO       0.0f
 #	define ONE        1.0f
--- a/project/platform/types.h
+++ b/project/platform/types.h
@@ -22,18 +22,13 @@
 #define I64_MIN ( -0x7fffffffffffffffll - 1 )
 #define I64_MAX 0x7fffffffffffffffll

-#if defined( GEN_ARCH_32_BIT )
-#	define USIZE_MIN GEN_U32_MIN
-#	define USIZE_MAX GEN_U32_MAX
-#	define ISIZE_MIN GEN_S32_MIN
-#	define ISIZE_MAX GEN_S32_MAX
-#elif defined( GEN_ARCH_64_BIT )
+#if defined( ARCH_64_BIT )
 #	define USIZE_MIN GEN_U64_MIN
 #	define USIZE_MAX GEN_U64_MAX
 #	define ISIZE_MIN GEN_I64_MIN
 #	define ISIZE_MAX GEN_I64_MAX
 #else
-#	error Unknown architecture size. This library only supports 32 bit and 64 bit architectures.
+#	error Unknown architecture size. This library only supports 64 bit architectures.
 #endif

 #define F32_MIN 1.17549435e-38f
@@ -41,7 +36,7 @@
 #define F64_MIN 2.2250738585072014e-308
 #define F64_MAX 1.7976931348623157e+308

-#if defined( GEN_COMPILER_MSVC )
+#if defined( COMPILER_MSVC )
 #	if _MSC_VER < 1300
 typedef unsigned char  u8;
 typedef signed   char  s8;
@@ -87,21 +82,9 @@ typedef ptrdiff_t sw;

 static_assert( sizeof( uw ) == sizeof( sw ), "sizeof(uw) != sizeof(sw)" );

-// NOTE: (u)zpl_intptr is only here for semantic reasons really as this library will only support 32/64 bit OSes.
 #if defined( _WIN64 )
 typedef signed   __int64 sptr;
 typedef unsigned __int64 uptr;
-#elif defined( _WIN32 )
-// NOTE; To mark types changing their size, e.g. zpl_intptr
-#	ifndef _W64
-#		if ! defined( __midl ) && ( defined( _X86_ ) || defined( _M_IX86 ) ) && _MSC_VER >= 1300
-#			define _W64 __w64
-#		else
-#			define _W64
-#		endif
-#	endif
-typedef _W64 signed int   sptr;
-typedef _W64 unsigned int uptr;
 #else
 typedef uintptr_t uptr;
 typedef intptr_t  sptr;
--- a/project/platform/win32.h
+++ b/project/platform/win32.h
@@ -1,6 +1,7 @@
 /*
 Alternative header for windows.h
 */
+#pragma once

 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
@@ -112,21 +113,25 @@ WIN_LIB_API DWORD WINAPI XInputGetState
 (
 	DWORD         dwUserIndex,  // Index of the gamer associated with the device
 	XINPUT_STATE* pState        // Receives the current state
-) WIN_NOEXCEPT;
+);

 WIN_LIB_API DWORD WINAPI XInputSetState
 (
 	DWORD             dwUserIndex,  // Index of the gamer associated with the device
 	XINPUT_VIBRATION* pVibration    // The vibration information to send to the controller
-) WIN_NOEXCEPT;
+);

 DWORD WINAPI xinput_get_state_stub( DWORD dwUserIndex, XINPUT_STATE* pVibration ) {
+	do_once_start
 		OutputDebugStringA( "xinput_get_state stubbed!\n");
+	do_once_end
 	return ERROR_DEVICE_NOT_CONNECTED;
 }

 DWORD WINAPI xinput_set_state_stub( DWORD dwUserIndex, XINPUT_VIBRATION* pVibration ) {
+	do_once_start
 		OutputDebugStringA( "xinput_set_state stubbed!\n");
+	do_once_end
 	return ERROR_DEVICE_NOT_CONNECTED;
 }

--- a/scripts/build.ps1
+++ b/scripts/build.ps1
@@ -115,6 +115,7 @@ if ( $vendor -match "clang" )
 	$flag_debug                      = '-g'
 	$flag_debug_codeview             = '-gcodeview'
 	$flag_define                     = '-D'
+	$flag_exceptions_disabled		= '-fno-exceptions'
 	$flag_preprocess 			     = '-E'
 	$flag_include                    = '-I'
 	$flag_library					 = '-l'
@@ -162,6 +163,7 @@ if ( $vendor -match "clang" )

 		$compiler_args += @(
 			$flag_no_color_diagnostics,
+			$flag_exceptions_disabled,
 			$flag_target_arch, $target_arch,
 			$flag_wall,
 			$flag_preprocess_non_intergrated,
@@ -210,6 +212,8 @@ if ( $vendor -match "msvc" )
 	$flag_compile			         = '/c'
 	$flag_debug                      = '/Zi'
 	$flag_define		             = '/D'
+	$flag_exceptions_disabled		= '/EHs-c-'
+	$flag_RTTI_disabled				= '/GR-'
 	$flag_include                    = '/I'
 	$flag_full_src_path              = '/FC'
 	$flag_nologo                     = '/nologo'
@@ -245,6 +249,9 @@ if ( $vendor -match "msvc" )

 		$compiler_args += @(
 			$flag_nologo,
+			$flag_exceptions_disabled,
+			( $flag_define + '_HAS_EXCEPTIONS=0' ),
+			$flag_RTTI_disabled,
 			$flag_preprocess_conform,
 			$flag_full_src_path,
 			( $flag_path_interm + $path_build + '\' ),