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Use eglGetPlatformDisplayEXT on DRM platform for Mali compatibility (#5446)

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This commit is contained in:
Alvin De Cruz
2025-12-31 17:33:17 +08:00
committed by GitHub
parent e534f14419
commit 4af95a3a84
1 changed files with 47 additions and 3 deletions
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50
src/platforms/rcore_drm.c
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@ -89,6 +89,10 @@
#define EGL_OPENGL_ES3_BIT 0x40
#endif
#ifndef EGL_PLATFORM_GBM_KHR
#define EGL_PLATFORM_GBM_KHR 0x31D7
#endif
//----------------------------------------------------------------------------------
// Defines and Macros
//----------------------------------------------------------------------------------
@ -1416,7 +1420,30 @@ int InitPlatform(void)
EGLint numConfigs = 0;
// Get an EGL device connection
platform.device = eglGetDisplay((EGLNativeDisplayType)platform.gbmDevice);
// Try eglGetPlatformDisplayEXT for better compatibility with some drivers (e.g. Mali Midgard)
// REF: https://github.com/raysan5/raylib/issues/5378
platform.device = EGL_NO_DISPLAY;
const char *eglClientExtensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
if (eglClientExtensions != NULL)
{
if (strstr(eglClientExtensions, "EGL_EXT_platform_base") != NULL)
{
PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT =
(PFNEGLGETPLATFORMDISPLAYEXTPROC)eglGetProcAddress("eglGetPlatformDisplayEXT");
if (eglGetPlatformDisplayEXT != NULL)
{
platform.device = eglGetPlatformDisplayEXT(EGL_PLATFORM_GBM_KHR, platform.gbmDevice, NULL);
}
}
}
if (platform.device == EGL_NO_DISPLAY)
{
platform.device = eglGetDisplay((EGLNativeDisplayType)platform.gbmDevice);
}
if (platform.device == EGL_NO_DISPLAY)
{
TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device");
@ -1496,8 +1523,25 @@ int InitPlatform(void)
}
// Create an EGL window surface
platform.surface = eglCreateWindowSurface(platform.device, platform.config, (EGLNativeWindowType)platform.gbmSurface, NULL);
if (EGL_NO_SURFACE == platform.surface)
platform.surface = EGL_NO_SURFACE;
if ((eglClientExtensions != NULL) && (strstr(eglClientExtensions, "EGL_EXT_platform_base") != NULL))
{
PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC eglCreatePlatformWindowSurfaceEXT =
(PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC)eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT");
if (eglCreatePlatformWindowSurfaceEXT != NULL)
{
platform.surface = eglCreatePlatformWindowSurfaceEXT(platform.device, platform.config, platform.gbmSurface, NULL);
}
}
if (platform.surface == EGL_NO_SURFACE)
{
platform.surface = eglCreateWindowSurface(platform.device, platform.config, (EGLNativeWindowType)platform.gbmSurface, NULL);
}
if (platform.surface == EGL_NO_SURFACE)
{
TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL window surface: 0x%04x", eglGetError());
return -1;