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REVIEWED: rlsw module and related files

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This commit is contained in:
Ray
2025-09-29 18:05:07 +02:00
parent beabb1300d
commit 0e57a572b4
4 changed files with 1640 additions and 1944 deletions
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2
src/platforms/rcore_desktop_sdl.c
View File

@ -1233,7 +1233,7 @@ void SwapScreenBuffer(void)
{
#if defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
// NOTE: We use a preprocessor condition here because `rlCopyFramebuffer` is only declared for software rendering
SDL_Surface* surface = SDL_GetWindowSurface(platform.window);
SDL_Surface *surface = SDL_GetWindowSurface(platform.window);
rlCopyFramebuffer(0, 0, CORE.Window.render.width, CORE.Window.render.height, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8, surface->pixels);
SDL_UpdateWindowSurface(platform.window);
#else

46
src/platforms/rcore_drm.c
View File

@ -818,14 +818,14 @@ void SwapScreenBuffer(void)
platform.prevBO = bo;
#else
// Software rendering buffer swap
if ((-1 == platform.fd) || !platform.connector || (platform.modeIndex < 0))
if ((platform.fd == -1) || !platform.connector || (platform.modeIndex < 0))
{
TRACELOG(LOG_ERROR, "DISPLAY: DRM initialization failed to swap");
return;
}
// Get the software rendered color buffer
int bufferWidth, bufferHeight;
int bufferWidth = 0, bufferHeight = 0;
void *colorBuffer = swGetColorBuffer(&bufferWidth, &bufferHeight);
if (!colorBuffer)
{
@ -849,7 +849,7 @@ void SwapScreenBuffer(void)
#endif
// Create a dumb buffer for software rendering
struct drm_mode_create_dumb creq = {0};
struct drm_mode_create_dumb creq = { 0 };
creq.width = width;
creq.height = height;
creq.bpp = bpp;
@ -863,28 +863,25 @@ void SwapScreenBuffer(void)
// Create framebuffer with the correct format
uint32_t fb = 0;
result = drmModeAddFB(platform.fd,
width, height,
depth, bpp, creq.pitch,
creq.handle, &fb);
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};
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};
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};
struct drm_mode_destroy_dumb dreq = { 0 };
dreq.handle = creq.handle;
drmIoctl(platform.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &dreq);
return;
@ -896,7 +893,7 @@ void SwapScreenBuffer(void)
{
TRACELOG(LOG_ERROR, "DISPLAY: Failed to mmap dumb buffer: %s", strerror(errno));
drmModeRmFB(platform.fd, fb);
struct drm_mode_destroy_dumb dreq = {0};
struct drm_mode_destroy_dumb dreq = { 0 };
dreq.handle = creq.handle;
drmIoctl(platform.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &dreq);
return;
@ -919,10 +916,7 @@ void SwapScreenBuffer(void)
// Find a CRTC compatible with the connector
uint32_t crtcId = 0;
if (platform.crtc)
{
crtcId = platform.crtc->crtc_id;
}
if (platform.crtc) crtcId = platform.crtc->crtc_id;
else
{
// Find a CRTC that's compatible with this connector
@ -939,10 +933,7 @@ void SwapScreenBuffer(void)
// 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 (platform.connector->encoder_id) encoder = drmModeGetEncoder(platform.fd, platform.connector->encoder_id);
if (encoder && encoder->crtc_id)
{
@ -962,6 +953,7 @@ void SwapScreenBuffer(void)
platform.crtc = crtc;
break;
}
if (crtc) drmModeFreeCrtc(crtc);
}
}
@ -981,9 +973,7 @@ void SwapScreenBuffer(void)
}
// Set CRTC with better error handling
result = drmModeSetCrtc(platform.fd, crtcId, fb, 0, 0,
&platform.connector->connector_id, 1,
mode);
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));
@ -1001,10 +991,7 @@ void SwapScreenBuffer(void)
if (platform.prevFB)
{
result = drmModeRmFB(platform.fd, platform.prevFB);
if (result != 0)
{
TRACELOG(LOG_WARNING, "DISPLAY: drmModeRmFB() failed with result: %d", result);
}
if (result != 0) TRACELOG(LOG_WARNING, "DISPLAY: drmModeRmFB() failed with result: %d", result);
}
platform.prevFB = fb;
@ -1249,7 +1236,7 @@ int InitPlatform(void)
// 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
// 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))
if (((con->connection == DRM_MODE_CONNECTED) || (con->connection == DRM_MODE_UNKNOWNCONNECTION)) && (con->count_modes > 0))
{
#if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
// For hardware rendering, we need an encoder_id
@ -1259,10 +1246,7 @@ int InitPlatform(void)
platform.connector = con;
break;
}
else
{
TRACELOG(LOG_TRACE, "DISPLAY: DRM connector %i connected but no encoder", i);
}
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);