@ -65,12 +65,17 @@
/ / so the enum KEY_F12 from raylib is used / / so the enum KEY_F12 from raylib is used
# undef KEY_F12 # undef KEY_F12
# include <gbm.h> // Generic Buffer Management (native platform for EGL on DRM)
# include <xf86drm.h> // Direct Rendering Manager user-level library interface # include <xf86drm.h> // Direct Rendering Manager user-level library interface
# include <xf86drmMode.h> // Direct Rendering Manager mode setting (KMS) interface # include <xf86drmMode.h> // Direct Rendering Manager mode setting (KMS) interface
# include "EGL/egl.h" // Native platform windowing system interface
# include "EGL/eglext.h" // EGL extensions
# if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
# include <gbm.h> // Generic Buffer Management (native platform for EGL on DRM)
# include "EGL/egl.h" // Native platform windowing system interface
# include "EGL/eglext.h" // EGL extensions
# else
# include <sys/mman.h> // For mmap when copying to the dumb buffer
# include <errno.h> // For the conversion of certain error messages
# endif
/ / NOTE : DRM cache enables triple buffered DRM caching / / NOTE : DRM cache enables triple buffered DRM caching
# if defined(SUPPORT_DRM_CACHE) # if defined(SUPPORT_DRM_CACHE)
@ -103,15 +108,19 @@ typedef struct {
drmModeConnector * connector ; / / Direct Rendering Manager ( DRM ) mode connector drmModeConnector * connector ; / / Direct Rendering Manager ( DRM ) mode connector
drmModeCrtc * crtc ; / / CRT Controller drmModeCrtc * crtc ; / / CRT Controller
int modeIndex ; / / Index of the used mode of connector - > modes int modeIndex ; / / Index of the used mode of connector - > modes
uint32_t prevFB ; / / Previous DRM framebufer ( during frame swapping )
# if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
struct gbm_device * gbmDevice ; / / GBM device struct gbm_device * gbmDevice ; / / GBM device
struct gbm_surface * gbmSurface ; / / GBM surface struct gbm_surface * gbmSurface ; / / GBM surface
struct gbm_bo * prevBO ; / / Previous GBM buffer object ( during frame swapping ) struct gbm_bo * prevBO ; / / Previous GBM buffer object ( during frame swapping )
uint32_t prevFB ; / / Previous GBM framebufer ( during frame swapping )
EGLDisplay device ; / / Native display device ( physical screen connection ) EGLDisplay device ; / / Native display device ( physical screen connection )
EGLSurface surface ; / / Surface to draw on , framebuffers ( connected to context ) EGLSurface surface ; / / Surface to draw on , framebuffers ( connected to context )
EGLContext context ; / / Graphic context , mode in which drawing can be done EGLContext context ; / / Graphic context , mode in which drawing can be done
EGLConfig config ; / / Graphic config EGLConfig config ; / / Graphic config
# else
uint32_t prevDumbHandle ; / / Handle to the previous dumb buffer ( during frame swapping )
# endif
/ / Keyboard data / / Keyboard data
int defaultKeyboardMode ; / / Default keyboard mode int defaultKeyboardMode ; / / Default keyboard mode
@ -780,6 +789,8 @@ void SwapScreenBuffer()
/ / Swap back buffer with front buffer ( screen drawing ) / / Swap back buffer with front buffer ( screen drawing )
void SwapScreenBuffer ( void ) void SwapScreenBuffer ( void )
{ {
# if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
/ / Hardware rendering buffer swap with EGL
eglSwapBuffers ( platform . device , platform . surface ) ; eglSwapBuffers ( platform . device , platform . surface ) ;
if ( ! platform . gbmSurface | | ( - 1 = = platform . fd ) | | ! platform . connector | | ! platform . crtc ) TRACELOG ( LOG_ERROR , " DISPLAY: DRM initialization failed to swap " ) ; if ( ! platform . gbmSurface | | ( - 1 = = platform . fd ) | | ! platform . connector | | ! platform . crtc ) TRACELOG ( LOG_ERROR , " DISPLAY: DRM initialization failed to swap " ) ;
@ -805,6 +816,209 @@ void SwapScreenBuffer(void)
if ( platform . prevBO ) gbm_surface_release_buffer ( platform . gbmSurface , platform . prevBO ) ; if ( platform . prevBO ) gbm_surface_release_buffer ( platform . gbmSurface , platform . prevBO ) ;
platform . prevBO = bo ; platform . prevBO = bo ;
# else
/ / Software rendering buffer swap
if ( ( - 1 = = platform . fd ) | | ! platform . connector | | ( platform . modeIndex < 0 ) )
{
TRACELOG ( LOG_ERROR , " DISPLAY: DRM initialization failed to swap " ) ;
return ;
}
/ / Get the software rendered color buffer
int bufferWidth , bufferHeight ;
void * colorBuffer = swGetColorBuffer ( & bufferWidth , & bufferHeight ) ;
if ( ! colorBuffer )
{
TRACELOG ( LOG_ERROR , " DISPLAY: Failed to get software color buffer " ) ;
return ;
}
/ / Retrieving the dimensions of the display mode used
drmModeModeInfo * mode = & platform . connector - > modes [ platform . modeIndex ] ;
uint32_t width = mode - > hdisplay ;
uint32_t height = mode - > vdisplay ;
/ / Dumb buffers use a fixed format based on bpp
# if SW_COLOR_BUFFER_BITS == 24
const uint32_t bpp = 32 ; / / 32 bits per pixel ( XRGB8888 format )
const uint32_t depth = 24 ; / / Color depth , here only 24 bits , alpha is not used
# else
/ / REVIEW : Not sure how it will be interpreted ( RGB or RGBA ? )
const uint32_t bpp = SW_COLOR_BUFFER_BITS ;
const uint32_t depth = SW_COLOR_BUFFER_BITS ;
# endif
/ / Create a dumb buffer for software rendering
struct drm_mode_create_dumb creq = { 0 } ;
creq . width = width ;
creq . height = height ;
creq . bpp = bpp ;
int result = drmIoctl ( platform . fd , DRM_IOCTL_MODE_CREATE_DUMB , & creq ) ;
if ( result < 0 )
{
TRACELOG ( LOG_ERROR , " DISPLAY: Failed to create dumb buffer: %s " , strerror ( errno ) ) ;
return ;
}
/ / Create framebuffer with the correct format
uint32_t fb = 0 ;
result = drmModeAddFB ( platform . fd ,
width , height ,
depth , bpp , creq . pitch ,
creq . handle , & fb ) ;
if ( result ! = 0 )
{
TRACELOG ( LOG_ERROR , " DISPLAY: drmModeAddFB() failed with result: %d (%s) " , result , strerror ( errno ) ) ;
struct drm_mode_destroy_dumb dreq = { 0 } ;
dreq . handle = creq . handle ;
drmIoctl ( platform . fd , DRM_IOCTL_MODE_DESTROY_DUMB , & dreq ) ;
return ;
}
/ / Map the dumb buffer to copy our software rendered buffer
struct drm_mode_map_dumb mreq = { 0 } ;
mreq . handle = creq . handle ;
result = drmIoctl ( platform . fd , DRM_IOCTL_MODE_MAP_DUMB , & mreq ) ;
if ( result ! = 0 )
{
TRACELOG ( LOG_ERROR , " DISPLAY: Failed to map dumb buffer: %s " , strerror ( errno ) ) ;
drmModeRmFB ( platform . fd , fb ) ;
struct drm_mode_destroy_dumb dreq = { 0 } ;
dreq . handle = creq . handle ;
drmIoctl ( platform . fd , DRM_IOCTL_MODE_DESTROY_DUMB , & dreq ) ;
return ;
}
/ / Map the buffer into userspace
void * dumbBuffer = mmap ( 0 , creq . size , PROT_READ | PROT_WRITE , MAP_SHARED , platform . fd , mreq . offset ) ;
if ( dumbBuffer = = MAP_FAILED )
{
TRACELOG ( LOG_ERROR , " DISPLAY: Failed to mmap dumb buffer: %s " , strerror ( errno ) ) ;
drmModeRmFB ( platform . fd , fb ) ;
struct drm_mode_destroy_dumb dreq = { 0 } ;
dreq . handle = creq . handle ;
drmIoctl ( platform . fd , DRM_IOCTL_MODE_DESTROY_DUMB , & dreq ) ;
return ;
}
/ / Copy the software rendered buffer to the dumb buffer with scaling if needed
if ( bufferWidth = = width & & bufferHeight = = height )
{
/ / Direct copy if sizes match
swCopyFramebuffer ( 0 , 0 , bufferWidth , bufferHeight , SW_RGBA , SW_UNSIGNED_BYTE , dumbBuffer ) ;
}
else
{
/ / Scale the software buffer to match the display mode
swBlitFramebuffer ( 0 , 0 , width , height , 0 , 0 , bufferWidth , bufferHeight , SW_RGBA , SW_UNSIGNED_BYTE , dumbBuffer ) ;
}
/ / Unmap the buffer
munmap ( dumbBuffer , creq . size ) ;
/ / Find a CRTC compatible with the connector
uint32_t crtcId = 0 ;
if ( platform . crtc )
{
crtcId = platform . crtc - > crtc_id ;
}
else
{
/ / Find a CRTC that ' s compatible with this connector
drmModeRes * res = drmModeGetResources ( platform . fd ) ;
if ( ! res )
{
TRACELOG ( LOG_ERROR , " DISPLAY: Failed to get DRM resources " ) ;
drmModeRmFB ( platform . fd , fb ) ;
struct drm_mode_destroy_dumb dreq = { 0 } ;
dreq . handle = creq . handle ;
drmIoctl ( platform . fd , DRM_IOCTL_MODE_DESTROY_DUMB , & dreq ) ;
return ;
}
/ / Check which CRTCs are compatible with this connector
drmModeEncoder * encoder = NULL ;
if ( platform . connector - > encoder_id )
{
encoder = drmModeGetEncoder ( platform . fd , platform . connector - > encoder_id ) ;
}
if ( encoder & & encoder - > crtc_id )
{
crtcId = encoder - > crtc_id ;
platform . crtc = drmModeGetCrtc ( platform . fd , crtcId ) ;
}
else
{
/ / Find a free CRTC
for ( int i = 0 ; i < res - > count_crtcs ; i + + )
{
drmModeCrtc * crtc = drmModeGetCrtc ( platform . fd , res - > crtcs [ i ] ) ;
if ( crtc & & ! crtc - > buffer_id ) / / CRTC is free
{
crtcId = res - > crtcs [ i ] ;
if ( platform . crtc ) drmModeFreeCrtc ( platform . crtc ) ;
platform . crtc = crtc ;
break ;
}
if ( crtc ) drmModeFreeCrtc ( crtc ) ;
}
}
if ( encoder ) drmModeFreeEncoder ( encoder ) ;
drmModeFreeResources ( res ) ;
if ( ! crtcId )
{
TRACELOG ( LOG_ERROR , " DISPLAY: No compatible CRTC found " ) ;
drmModeRmFB ( platform . fd , fb ) ;
struct drm_mode_destroy_dumb dreq = { 0 } ;
dreq . handle = creq . handle ;
drmIoctl ( platform . fd , DRM_IOCTL_MODE_DESTROY_DUMB , & dreq ) ;
return ;
}
}
/ / Set CRTC with better error handling
result = drmModeSetCrtc ( platform . fd , crtcId , fb , 0 , 0 ,
& platform . connector - > connector_id , 1 ,
mode ) ;
if ( result ! = 0 )
{
TRACELOG ( LOG_ERROR , " DISPLAY: drmModeSetCrtc() failed with result: %d (%s) " , result , strerror ( errno ) ) ;
TRACELOG ( LOG_ERROR , " DISPLAY: CRTC ID: %u, FB ID: %u, Connector ID: %u " , crtcId , fb , platform . connector - > connector_id ) ;
TRACELOG ( LOG_ERROR , " DISPLAY: Mode: %dx%d@%d " , mode - > hdisplay , mode - > vdisplay , mode - > vrefresh ) ;
drmModeRmFB ( platform . fd , fb ) ;
struct drm_mode_destroy_dumb dreq = { 0 } ;
dreq . handle = creq . handle ;
drmIoctl ( platform . fd , DRM_IOCTL_MODE_DESTROY_DUMB , & dreq ) ;
return ;
}
/ / Clean up previous framebuffer
if ( platform . prevFB )
{
result = drmModeRmFB ( platform . fd , platform . prevFB ) ;
if ( result ! = 0 )
{
TRACELOG ( LOG_WARNING , " DISPLAY: drmModeRmFB() failed with result: %d " , result ) ;
}
}
platform . prevFB = fb ;
/ / Clean up previous dumb buffer
if ( platform . prevDumbHandle )
{
struct drm_mode_destroy_dumb dreq = { 0 } ;
dreq . handle = platform . prevDumbHandle ;
drmIoctl ( platform . fd , DRM_IOCTL_MODE_DESTROY_DUMB , & dreq ) ;
}
platform . prevDumbHandle = creq . handle ;
# endif
} }
# endif / / SUPPORT_DRM_CACHE # endif / / SUPPORT_DRM_CACHE
@ -950,10 +1164,15 @@ int InitPlatform(void)
platform . connector = NULL ; platform . connector = NULL ;
platform . modeIndex = - 1 ; platform . modeIndex = - 1 ;
platform . crtc = NULL ; platform . crtc = NULL ;
platform . prevFB = 0 ;
# if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
platform . gbmDevice = NULL ; platform . gbmDevice = NULL ;
platform . gbmSurface = NULL ; platform . gbmSurface = NULL ;
platform . prevBO = NULL ; platform . prevBO = NULL ;
platform . prevFB = 0 ;
# else
platform . prevDumbHandle = 0 ;
# endif
/ / Initialize graphic device : display / window and graphic context / / Initialize graphic device : display / window and graphic context
/ / - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - / / - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -965,11 +1184,12 @@ int InitPlatform(void)
if ( platform . fd ! = - 1 ) TRACELOG ( LOG_INFO , " DISPLAY: Default graphic device DRM opened successfully " ) ; if ( platform . fd ! = - 1 ) TRACELOG ( LOG_INFO , " DISPLAY: Default graphic device DRM opened successfully " ) ;
# else # else
TRACELOG ( LOG_WARNING , " DISPLAY: No graphic card set, trying platform-gpu-card " ) ; TRACELOG ( LOG_WARNING , " DISPLAY: No graphic card set, trying platform-gpu-card " ) ;
platform . fd = open ( " /dev/dri/by-path/platform-gpu-card " , O_RDWR ) ; / / VideoCore VI ( Raspberry Pi 4 )
platform . fd = open ( " /dev/dri/by-path/platform-gpu-card " , O_RDWR ) ; / / VideoCore VI ( Raspberry Pi 4 )
if ( platform . fd ! = - 1 ) TRACELOG ( LOG_INFO , " DISPLAY: platform-gpu-card opened successfully " ) ; if ( platform . fd ! = - 1 ) TRACELOG ( LOG_INFO , " DISPLAY: platform-gpu-card opened successfully " ) ;
if ( ( platform . fd = = - 1 ) | | ( drmModeGetResources ( platform . fd ) = = NULL ) ) if ( ( platform . fd = = - 1 ) | | ( drmModeGetResources ( platform . fd ) = = NULL ) )
{ {
if ( platform . fd ! = - 1 ) close ( platform . fd ) ;
TRACELOG ( LOG_WARNING , " DISPLAY: Failed to open platform-gpu-card, trying card1 " ) ; TRACELOG ( LOG_WARNING , " DISPLAY: Failed to open platform-gpu-card, trying card1 " ) ;
platform . fd = open ( " /dev/dri/card1 " , O_RDWR ) ; / / Other Embedded platform . fd = open ( " /dev/dri/card1 " , O_RDWR ) ; / / Other Embedded
if ( platform . fd ! = - 1 ) TRACELOG ( LOG_INFO , " DISPLAY: card1 opened successfully " ) ; if ( platform . fd ! = - 1 ) TRACELOG ( LOG_INFO , " DISPLAY: card1 opened successfully " ) ;
@ -977,10 +1197,19 @@ int InitPlatform(void)
if ( ( platform . fd = = - 1 ) | | ( drmModeGetResources ( platform . fd ) = = NULL ) ) if ( ( platform . fd = = - 1 ) | | ( drmModeGetResources ( platform . fd ) = = NULL ) )
{ {
if ( platform . fd ! = - 1 ) close ( platform . fd ) ;
TRACELOG ( LOG_WARNING , " DISPLAY: Failed to open graphic card1, trying card0 " ) ; TRACELOG ( LOG_WARNING , " DISPLAY: Failed to open graphic card1, trying card0 " ) ;
platform . fd = open ( " /dev/dri/card0 " , O_RDWR ) ; / / VideoCore IV ( Raspberry Pi 1 - 3 ) platform . fd = open ( " /dev/dri/card0 " , O_RDWR ) ; / / VideoCore IV ( Raspberry Pi 1 - 3 )
if ( platform . fd ! = - 1 ) TRACELOG ( LOG_INFO , " DISPLAY: card0 opened successfully " ) ; if ( platform . fd ! = - 1 ) TRACELOG ( LOG_INFO , " DISPLAY: card0 opened successfully " ) ;
} }
if ( ( platform . fd = = - 1 ) | | ( drmModeGetResources ( platform . fd ) = = NULL ) )
{
if ( platform . fd ! = - 1 ) close ( platform . fd ) ;
TRACELOG ( LOG_WARNING , " DISPLAY: Failed to open graphic card0, trying card2 " ) ;
platform . fd = open ( " /dev/dri/card2 " , O_RDWR ) ;
if ( platform . fd ! = - 1 ) TRACELOG ( LOG_INFO , " DISPLAY: card2 opened successfully " ) ;
}
# endif # endif
if ( platform . fd = = - 1 ) if ( platform . fd = = - 1 )
@ -993,29 +1222,58 @@ int InitPlatform(void)
if ( ! res ) if ( ! res )
{ {
TRACELOG ( LOG_WARNING , " DISPLAY: Failed get DRM resources " ) ; TRACELOG ( LOG_WARNING , " DISPLAY: Failed get DRM resources " ) ;
close ( platform . fd ) ;
return - 1 ; return - 1 ;
} }
TRACELOG ( LOG_TRACE , " DISPLAY: Connectors found: %i " , res - > count_connectors ) ; TRACELOG ( LOG_TRACE , " DISPLAY: Connectors found: %i " , res - > count_connectors ) ;
/ / Connector detection
for ( size_t i = 0 ; i < res - > count_connectors ; i + + ) for ( size_t i = 0 ; i < res - > count_connectors ; i + + )
{ {
TRACELOG ( LOG_TRACE , " DISPLAY: Connector index %i " , i ) ; TRACELOG ( LOG_TRACE , " DISPLAY: Connector index %i " , i ) ;
drmModeConnector * con = drmModeGetConnector ( platform . fd , res - > connectors [ i ] ) ; drmModeConnector * con = drmModeGetConnector ( platform . fd , res - > connectors [ i ] ) ;
TRACELOG ( LOG_TRACE , " DISPLAY: Connector modes detected: %i " , con - > count_modes ) ;
if ( ! con )
{
TRACELOG ( LOG_WARNING , " DISPLAY: Failed to get connector %i " , i ) ;
continue ;
}
TRACELOG ( LOG_TRACE , " DISPLAY: Connector %i modes detected: %i " , i , con - > count_modes ) ;
TRACELOG ( LOG_TRACE , " DISPLAY: Connector %i status: %s " , i ,
( con - > connection = = DRM_MODE_CONNECTED ) ? " CONNECTED " :
( con - > connection = = DRM_MODE_DISCONNECTED ) ? " DISCONNECTED " :
( con - > connection = = DRM_MODE_UNKNOWNCONNECTION ) ? " UNKNOWN " : " OTHER " ) ;
/ / In certain cases the status of the conneciton is reported as UKNOWN , but it is still connected / / In certain cases the status of the conneciton is reported as UKNOWN , but it is still connected
/ / This might be a hardware or software limitation like on Raspberry Pi Zero with composite output / / This might be a hardware or software limitation like on Raspberry Pi Zero with composite output
if ( ( ( con - > connection = = DRM_MODE_CONNECTED ) | | ( con - > connection = = DRM_MODE_UNKNOWNCONNECTION ) ) & & ( con - > encoder_id ) )
/ / WARNING : Accept CONNECTED , UNKNOWN and even those without encoder_id connectors for software mode
if ( ( ( con - > connection = = DRM_MODE_CONNECTED ) | | ( con - > connection = = DRM_MODE_UNKNOWNCONNECTION ) ) & & ( con - > count_modes > 0 ) / / ( con - > encoder_id ) )
{ {
TRACELOG ( LOG_TRACE , " DISPLAY: DRM mode connected " ) ;
# if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
/ / For hardware rendering , we need an encoder_id
if ( con - > encoder_id )
{
TRACELOG ( LOG_TRACE , " DISPLAY: DRM connector %i connected with encoder " , i ) ;
platform . connector = con ;
break ;
}
else
{
TRACELOG ( LOG_TRACE , " DISPLAY: DRM connector %i connected but no encoder " , i ) ;
}
# else
/ / For software rendering , we can accept even without encoder_id
TRACELOG ( LOG_TRACE , " DISPLAY: DRM connector %i suitable for software rendering " , i ) ;
platform . connector = con ; platform . connector = con ;
break ; break ;
# endif
} }
else
if ( ! platform . connector )
{ {
TRACELOG ( LOG_TRACE , " DISPLAY: DRM mode NOT connected (deleting) " ) ;
TRACELOG ( LOG_TRACE , " DISPLAY: DRM connector %i NOT suitable (deleting) " , i ) ;
drmModeFreeConnector ( con ) ; drmModeFreeConnector ( con ) ;
} }
} }
@ -1024,14 +1282,18 @@ int InitPlatform(void)
{ {
TRACELOG ( LOG_WARNING , " DISPLAY: No suitable DRM connector found " ) ; TRACELOG ( LOG_WARNING , " DISPLAY: No suitable DRM connector found " ) ;
drmModeFreeResources ( res ) ; drmModeFreeResources ( res ) ;
close ( platform . fd ) ;
return - 1 ; return - 1 ;
} }
# if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
drmModeEncoder * enc = drmModeGetEncoder ( platform . fd , platform . connector - > encoder_id ) ; drmModeEncoder * enc = drmModeGetEncoder ( platform . fd , platform . connector - > encoder_id ) ;
if ( ! enc ) if ( ! enc )
{ {
TRACELOG ( LOG_WARNING , " DISPLAY: Failed to get DRM mode encoder " ) ; TRACELOG ( LOG_WARNING , " DISPLAY: Failed to get DRM mode encoder " ) ;
drmModeFreeConnector ( platform . connector ) ;
drmModeFreeResources ( res ) ; drmModeFreeResources ( res ) ;
close ( platform . fd ) ;
return - 1 ; return - 1 ;
} }
@ -1040,7 +1302,9 @@ int InitPlatform(void)
{ {
TRACELOG ( LOG_WARNING , " DISPLAY: Failed to get DRM mode crtc " ) ; TRACELOG ( LOG_WARNING , " DISPLAY: Failed to get DRM mode crtc " ) ;
drmModeFreeEncoder ( enc ) ; drmModeFreeEncoder ( enc ) ;
drmModeFreeConnector ( platform . connector ) ;
drmModeFreeResources ( res ) ; drmModeFreeResources ( res ) ;
close ( platform . fd ) ;
return - 1 ; return - 1 ;
} }
@ -1055,7 +1319,9 @@ int InitPlatform(void)
{ {
TRACELOG ( LOG_WARNING , " DISPLAY: No matching DRM connector mode found " ) ; TRACELOG ( LOG_WARNING , " DISPLAY: No matching DRM connector mode found " ) ;
drmModeFreeEncoder ( enc ) ; drmModeFreeEncoder ( enc ) ;
drmModeFreeConnector ( platform . connector ) ;
drmModeFreeResources ( res ) ; drmModeFreeResources ( res ) ;
close ( platform . fd ) ;
return - 1 ; return - 1 ;
} }
@ -1064,7 +1330,7 @@ int InitPlatform(void)
} }
const bool allowInterlaced = CORE . Window . flags & FLAG_INTERLACED_HINT ; const bool allowInterlaced = CORE . Window . flags & FLAG_INTERLACED_HINT ;
const int fps = ( CORE . Time . target > 0 ) ? ( 1.0 / CORE . Time . target ) : 60 ;
const int fps = ( CORE . Time . target > 0 ) ? ( 1.0 / CORE . Time . target ) : 60 ;
/ / Try to find an exact matching mode / / Try to find an exact matching mode
platform . modeIndex = FindExactConnectorMode ( platform . connector , CORE . Window . screen . width , CORE . Window . screen . height , fps , allowInterlaced ) ; platform . modeIndex = FindExactConnectorMode ( platform . connector , CORE . Window . screen . width , CORE . Window . screen . height , fps , allowInterlaced ) ;
@ -1083,7 +1349,9 @@ int InitPlatform(void)
{ {
TRACELOG ( LOG_WARNING , " DISPLAY: Failed to find a suitable DRM connector mode " ) ; TRACELOG ( LOG_WARNING , " DISPLAY: Failed to find a suitable DRM connector mode " ) ;
drmModeFreeEncoder ( enc ) ; drmModeFreeEncoder ( enc ) ;
drmModeFreeConnector ( platform . connector ) ;
drmModeFreeResources ( res ) ; drmModeFreeResources ( res ) ;
close ( platform . fd ) ;
return - 1 ; return - 1 ;
} }
@ -1092,19 +1360,45 @@ int InitPlatform(void)
TRACELOG ( LOG_INFO , " DISPLAY: Selected DRM connector mode %s (%ux%u%c@%u) " , platform . connector - > modes [ platform . modeIndex ] . name , TRACELOG ( LOG_INFO , " DISPLAY: Selected DRM connector mode %s (%ux%u%c@%u) " , platform . connector - > modes [ platform . modeIndex ] . name ,
platform . connector - > modes [ platform . modeIndex ] . hdisplay , platform . connector - > modes [ platform . modeIndex ] . vdisplay , platform . connector - > modes [ platform . modeIndex ] . hdisplay , platform . connector - > modes [ platform . modeIndex ] . vdisplay ,
( platform . connector - > modes [ platform . modeIndex ] . flags & DRM_MODE_FLAG_INTERLACE ) ? ' i ' : ' p ' ,
( platform . connector - > modes [ platform . modeIndex ] . flags & DRM_MODE_FLAG_INTERLACE ) ? ' i ' : ' p ' ,
platform . connector - > modes [ platform . modeIndex ] . vrefresh ) ; platform . connector - > modes [ platform . modeIndex ] . vrefresh ) ;
drmModeFreeEncoder ( enc ) ;
enc = NULL ;
# else
/ / For software rendering , the first available mode can be used
if ( platform . connector - > count_modes > 0 )
{
platform . modeIndex = 0 ;
CORE . Window . display . width = platform . connector - > modes [ 0 ] . hdisplay ;
CORE . Window . display . height = platform . connector - > modes [ 0 ] . vdisplay ;
TRACELOG ( LOG_INFO , " DISPLAY: Selected DRM connector mode %s (%ux%u%c@%u) for software rendering " ,
platform . connector - > modes [ 0 ] . name ,
platform . connector - > modes [ 0 ] . hdisplay ,
platform . connector - > modes [ 0 ] . vdisplay ,
( platform . connector - > modes [ 0 ] . flags & DRM_MODE_FLAG_INTERLACE ) ? ' i ' : ' p ' ,
platform . connector - > modes [ 0 ] . vrefresh ) ;
}
else
{
TRACELOG ( LOG_WARNING , " DISPLAY: No modes available for connector " ) ;
drmModeFreeConnector ( platform . connector ) ;
drmModeFreeResources ( res ) ;
close ( platform . fd ) ;
return - 1 ;
}
# endif
/ / Use the width and height of the surface for render / / Use the width and height of the surface for render
CORE . Window . render . width = CORE . Window . screen . width ; CORE . Window . render . width = CORE . Window . screen . width ;
CORE . Window . render . height = CORE . Window . screen . height ; CORE . Window . render . height = CORE . Window . screen . height ;
drmModeFreeEncoder ( enc ) ;
enc = NULL ;
drmModeFreeResources ( res ) ; drmModeFreeResources ( res ) ;
res = NULL ; res = NULL ;
# if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
/ / Hardware rendering initialization with EGL
platform . gbmDevice = gbm_create_device ( platform . fd ) ; platform . gbmDevice = gbm_create_device ( platform . fd ) ;
if ( ! platform . gbmDevice ) if ( ! platform . gbmDevice )
{ {
@ -1273,6 +1567,32 @@ int InitPlatform(void)
return - 1 ; return - 1 ;
} }
/ / Load OpenGL extensions
/ / NOTE : GL procedures address loader is required to load extensions
rlLoadExtensions ( eglGetProcAddress ) ;
# else
/ / At this point we need to manage render size vs screen size
/ / NOTE : This function use and modify global module variables :
/ / - > CORE . Window . screen . width / CORE . Window . screen . height
/ / - > CORE . Window . render . width / CORE . Window . render . height
/ / - > CORE . Window . screenScale
SetupFramebuffer ( CORE . Window . display . width , CORE . Window . display . height ) ;
/ / Setup window ready state for software rendering
CORE . Window . ready = true ;
CORE . Window . render . width = CORE . Window . screen . width ;
CORE . Window . render . height = CORE . Window . screen . height ;
CORE . Window . currentFbo . width = CORE . Window . render . width ;
CORE . Window . currentFbo . height = CORE . Window . render . height ;
TRACELOG ( LOG_INFO , " DISPLAY: Device initialized successfully (Software Rendering) " ) ;
TRACELOG ( LOG_INFO , " > Display size: %i x %i " , CORE . Window . display . width , CORE . Window . display . height ) ;
TRACELOG ( LOG_INFO , " > Screen size: %i x %i " , CORE . Window . screen . width , CORE . Window . screen . height ) ;
TRACELOG ( LOG_INFO , " > Render size: %i x %i " , CORE . Window . render . width , CORE . Window . render . height ) ;
TRACELOG ( LOG_INFO , " > Viewport offsets: %i, %i " , CORE . Window . renderOffset . x , CORE . Window . renderOffset . y ) ;
# endif
if ( ( CORE . Window . flags & FLAG_WINDOW_MINIMIZED ) > 0 ) MinimizeWindow ( ) ; if ( ( CORE . Window . flags & FLAG_WINDOW_MINIMIZED ) > 0 ) MinimizeWindow ( ) ;
/ / If graphic device is no properly initialized , we end program / / If graphic device is no properly initialized , we end program
@ -1285,12 +1605,8 @@ int InitPlatform(void)
CORE . Window . flags | = FLAG_WINDOW_MAXIMIZED ; / / true CORE . Window . flags | = FLAG_WINDOW_MAXIMIZED ; / / true
CORE . Window . flags & = ~ FLAG_WINDOW_UNFOCUSED ; / / false CORE . Window . flags & = ~ FLAG_WINDOW_UNFOCUSED ; / / false
/ / Load OpenGL extensions
/ / NOTE : GL procedures address loader is required to load extensions
rlLoadExtensions ( eglGetProcAddress ) ;
/ / - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - / / - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
/ / Initialize timming system
/ / Initialize timing system
/ / - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - / / - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
/ / NOTE : timming system must be initialized before the input events system / / NOTE : timming system must be initialized before the input events system
InitTimer ( ) ; InitTimer ( ) ;
@ -1336,6 +1652,7 @@ void ClosePlatform(void)
platform . prevFB = 0 ; platform . prevFB = 0 ;
} }
# if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
if ( platform . prevBO ) if ( platform . prevBO )
{ {
gbm_surface_release_buffer ( platform . gbmSurface , platform . prevBO ) ; gbm_surface_release_buffer ( platform . gbmSurface , platform . prevBO ) ;
@ -1353,6 +1670,7 @@ void ClosePlatform(void)
gbm_device_destroy ( platform . gbmDevice ) ; gbm_device_destroy ( platform . gbmDevice ) ;
platform . gbmDevice = NULL ; platform . gbmDevice = NULL ;
} }
# endif
if ( platform . crtc ) if ( platform . crtc )
{ {
@ -1374,6 +1692,7 @@ void ClosePlatform(void)
platform . fd = - 1 ; platform . fd = - 1 ;
} }
# if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
/ / Close surface , context and display / / Close surface , context and display
if ( platform . device ! = EGL_NO_DISPLAY ) if ( platform . device ! = EGL_NO_DISPLAY )
{ {
@ -1392,6 +1711,7 @@ void ClosePlatform(void)
eglTerminate ( platform . device ) ; eglTerminate ( platform . device ) ;
platform . device = EGL_NO_DISPLAY ; platform . device = EGL_NO_DISPLAY ;
} }
# endif
CORE . Window . shouldClose = true ; / / Added to force threads to exit when the close window is called CORE . Window . shouldClose = true ; / / Added to force threads to exit when the close window is called
Le Juez Victor
2 months ago
GitHub