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[rcore][win32] Adding native win32 backend (#4869)

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* win32 backend

* [rcore][win32] use SwapBuffers instead of wglSwapLayerBuffers

I don't understand OpenGL well enough to know the difference between
SwapBuffers and wglSwapLayerBuffers but the former seems to double
my FPS (from 2000 to about 4000 in core_vr_simulator).

* [rcore][win32] stop lying to the OS about when our window is updated

Instead of calling BeginPaint/EndPaint in WM_PAINT which signals to the
OS that our window content is updated, now when we encounter the WM_PAINT
message instead we return back to the raylib application which will
trigger it to render a new frame. We've replaced the call to BeginPaint
and EndPaint with a call to ValidateRect in SwapBuffers, which, means
we're now correctly telling the OS when our window content is actually
up-to-date.

Note that this doesn't fix the window content not being updated during
a window resize/move beacuse thos have their own message loop which
doesn't return early when it's time to paint.

* [rcore][win32] fallback to finding functions from opengl32.dll

* [rcore][win32] fixes from review/for gcc

* [rcore][win32] incorporate style conventions

* [rcore][win32] workaround unused function error SetupFramebuffer

* [rcore][win32] re-enable sanitize flags check for MSAA_4X

* [rcore][win32] more style changes and remove old DPI cases

Added some more missing spaces after conditional statements.  Also
made unsupported MSAA_4X an assert instead of an abort and also
removed dpi-aware cases for older OS's.  More changes would be needed
to support those OS versions, namely, removing the dependency
on shcore.

* [rcore][win32] fixes for compling with w64devkit without -DUNICODE

* Update build.zig

* Update build.zig

---------

Co-authored-by: Ray <raysan5@gmail.com>
This commit is contained in:
Jonathan Marler
2025-08-31 04:13:21 -06:00
committed by GitHub
parent ecf032fe4f
commit f61c2c504d
3 changed files with 2194 additions and 0 deletions
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7
src/Makefile
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@@ -342,6 +342,10 @@ ifeq ($(PLATFORM_OS), LINUX)
CFLAGS += -fPIC CFLAGS += -fPIC
endif endif
ifeq ($(PLATFORM_OS),WINDOWS)
CFLAGS += -DUNICODE
endif
ifeq ($(RAYLIB_BUILD_MODE),DEBUG) ifeq ($(RAYLIB_BUILD_MODE),DEBUG)
CFLAGS += -g -D_DEBUG CFLAGS += -g -D_DEBUG
endif endif
@@ -628,6 +632,9 @@ ifeq ($(TARGET_PLATFORM),PLATFORM_DRM)
LDLIBS += -latomic LDLIBS += -latomic
endif endif
endif endif
ifeq ($(TARGET_PLATFORM),PLATFORM_DESKTOP_WIN32)
LDLIBS = -lgdi32 -lwinmm -lopengl32 -lshcore
endif
ifeq ($(TARGET_PLATFORM),PLATFORM_ANDROID) ifeq ($(TARGET_PLATFORM),PLATFORM_ANDROID)
LDLIBS = -llog -landroid -lEGL -lGLESv2 -lOpenSLES -lc -lm LDLIBS = -llog -landroid -lEGL -lGLESv2 -lOpenSLES -lc -lm
endif endif

2183
src/platforms/rcore_desktop_win32.c Normal file
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File diff suppressed because it is too large Load Diff

4
src/rcore.c
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@@ -555,6 +555,8 @@ const char *TextFormat(const char *text, ...); // Formatting of text with variab
#include "platforms/rcore_desktop_sdl.c" #include "platforms/rcore_desktop_sdl.c"
#elif (defined(PLATFORM_DESKTOP_RGFW) || defined(PLATFORM_WEB_RGFW)) #elif (defined(PLATFORM_DESKTOP_RGFW) || defined(PLATFORM_WEB_RGFW))
#include "platforms/rcore_desktop_rgfw.c" #include "platforms/rcore_desktop_rgfw.c"
#elif defined(PLATFORM_DESKTOP_WIN32)
#include "platforms/rcore_desktop_win32.c"
#elif defined(PLATFORM_WEB) #elif defined(PLATFORM_WEB)
#include "platforms/rcore_web.c" #include "platforms/rcore_web.c"
#elif defined(PLATFORM_DRM) #elif defined(PLATFORM_DRM)
@@ -625,6 +627,8 @@ void InitWindow(int width, int height, const char *title)
TRACELOG(LOG_INFO, "Platform backend: DESKTOP (SDL)"); TRACELOG(LOG_INFO, "Platform backend: DESKTOP (SDL)");
#elif defined(PLATFORM_DESKTOP_RGFW) #elif defined(PLATFORM_DESKTOP_RGFW)
TRACELOG(LOG_INFO, "Platform backend: DESKTOP (RGFW)"); TRACELOG(LOG_INFO, "Platform backend: DESKTOP (RGFW)");
#elif defined(PLATFORM_DESKTOP_WIN32)
TRACELOG(LOG_INFO, "Platform backend: DESKTOP (WIN32)");
#elif defined(PLATFORM_WEB_RGFW) #elif defined(PLATFORM_WEB_RGFW)
TRACELOG(LOG_INFO, "Platform backend: WEB (RGFW) (HTML5)"); TRACELOG(LOG_INFO, "Platform backend: WEB (RGFW) (HTML5)");
#elif defined(PLATFORM_WEB) #elif defined(PLATFORM_WEB)