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- implementing Raylib coding convention

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This commit is contained in:
katonar
2025-07-07 17:55:32 +02:00
parent de62be0ec5
commit 5b182139ae
1 changed files with 23 additions and 22 deletions
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45
src/platforms/rcore_drm.c
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@ -79,10 +79,10 @@
typedef struct { typedef struct {
struct gbm_bo *bo; struct gbm_bo *bo;
uint32_t fb_id; // DRM framebuffer ID uint32_t fbId; // DRM framebuffer ID
} FramebufferCache; } FramebufferCache;
static FramebufferCache fbCache[MAX_CACHED_BOS]; static FramebufferCache fbCache[MAX_CACHED_BOS] = {0};
static volatile int fbCacheCount = 0; static volatile int fbCacheCount = 0;
static volatile bool pendingFlip = false; static volatile bool pendingFlip = false;
static bool crtcSet = false; static bool crtcSet = false;
@ -570,13 +570,14 @@ void DisableCursor(void)
} }
#if defined(SUPPORT_DRM_CACHE) #if defined(SUPPORT_DRM_CACHE)
static void drm_fb_destroy_callback(struct gbm_bo *bo, void *data) { //callback to destroy cached framebuffer, set by gbm_bo_set_user_data()
uint32_t fb_id = (uintptr_t)data; static void DestroyFrameBufferCallback(struct gbm_bo *bo, void *data) {
uint32_t fbId = (uintptr_t)data;
// Remove from cache // Remove from cache
for (int i = 0; i < fbCacheCount; i++) { for (int i = 0; i < fbCacheCount; i++) {
if (fbCache[i].bo == bo) { if (fbCache[i].bo == bo) {
TRACELOG(LOG_INFO, "DRM: fb removed %u", (uintptr_t)fb_id); TRACELOG(LOG_INFO, "DRM: fb removed %u", (uintptr_t)fbId);
drmModeRmFB(platform.fd, fbCache[i].fb_id); // Release DRM FB drmModeRmFB(platform.fd, fbCache[i].fbId); // Release DRM FB
// Shift remaining entries // Shift remaining entries
for (int j = i; j < fbCacheCount - 1; j++) { for (int j = i; j < fbCacheCount - 1; j++) {
fbCache[j] = fbCache[j + 1]; fbCache[j] = fbCache[j + 1];
@ -588,11 +589,11 @@ static void drm_fb_destroy_callback(struct gbm_bo *bo, void *data) {
} }
// Create or retrieve cached DRM FB for BO // Create or retrieve cached DRM FB for BO
static uint32_t get_or_create_fb_for_bo(struct gbm_bo *bo) { static uint32_t GetOrCreateFbForBo(struct gbm_bo *bo) {
// Try to find existing cache entry // Try to find existing cache entry
for (int i = 0; i < fbCacheCount; i++) { for (int i = 0; i < fbCacheCount; i++) {
if (fbCache[i].bo == bo) { if (fbCache[i].bo == bo) {
return fbCache[i].fb_id; return fbCache[i].fbId;
} }
} }
@ -607,21 +608,21 @@ static uint32_t get_or_create_fb_for_bo(struct gbm_bo *bo) {
uint32_t width = gbm_bo_get_width(bo); uint32_t width = gbm_bo_get_width(bo);
uint32_t height = gbm_bo_get_height(bo); uint32_t height = gbm_bo_get_height(bo);
uint32_t fb_id; uint32_t fbId;
if (drmModeAddFB(platform.fd, width, height, 24, 32, stride, handle, &fb_id)) { if (drmModeAddFB(platform.fd, width, height, 24, 32, stride, handle, &fbId)) {
//rmModeAddFB failed //rmModeAddFB failed
return 0; return 0;
} }
// Store in cache // Store in cache
fbCache[fbCacheCount] = (FramebufferCache){ .bo = bo, .fb_id = fb_id }; fbCache[fbCacheCount] = (FramebufferCache){ .bo = bo, .fbId = fbId };
fbCacheCount++; fbCacheCount++;
// Set destroy callback to auto-cleanup // Set destroy callback to auto-cleanup
gbm_bo_set_user_data(bo, (void*)(uintptr_t)fb_id, drm_fb_destroy_callback); gbm_bo_set_user_data(bo, (void*)(uintptr_t)fbId, DestroyFrameBufferCallback);
TRACELOG(LOG_INFO, "DRM: added new bo %u" , (uintptr_t)fb_id); TRACELOG(LOG_INFO, "DRM: added new bo %u" , (uintptr_t)fbId);
return fb_id; return fbId;
} }
// Renders a blank frame to allocate initial buffers // Renders a blank frame to allocate initial buffers
@ -652,14 +653,14 @@ int InitSwapScreenBuffer() {
} }
// Create FB for first buffer // Create FB for first buffer
uint32_t fb_id = get_or_create_fb_for_bo(bo); uint32_t fbId = GetOrCreateFbForBo(bo);
if (!fb_id) { if (!fbId) {
gbm_surface_release_buffer(platform.gbmSurface, bo); gbm_surface_release_buffer(platform.gbmSurface, bo);
return -1; return -1;
} }
// Initial CRTC setup // Initial CRTC setup
if (drmModeSetCrtc(platform.fd, platform.crtc->crtc_id, fb_id, if (drmModeSetCrtc(platform.fd, platform.crtc->crtc_id, fbId,
0, 0, &platform.connector->connector_id, 1, 0, 0, &platform.connector->connector_id, 1,
&platform.connector->modes[platform.modeIndex])) { &platform.connector->modes[platform.modeIndex])) {
TRACELOG(LOG_ERROR, "Initial CRTC setup failed: %s", strerror(errno)); TRACELOG(LOG_ERROR, "Initial CRTC setup failed: %s", strerror(errno));
@ -675,7 +676,7 @@ int InitSwapScreenBuffer() {
// Static page flip handler // Static page flip handler
// this will be called once the drmModePageFlip() finished from the drmHandleEvent(platform.fd, &evctx); context // this will be called once the drmModePageFlip() finished from the drmHandleEvent(platform.fd, &evctx); context
static void page_flip_handler(int fd, unsigned int frame, static void PageFlipHandler(int fd, unsigned int frame,
unsigned int sec, unsigned int usec, unsigned int sec, unsigned int usec,
void *data) { void *data) {
(void)fd; (void)frame; (void)sec; (void)usec; // Unused (void)fd; (void)frame; (void)sec; (void)usec; // Unused
@ -701,7 +702,7 @@ void SwapScreenBuffer() {
// Process pending events non-blocking // Process pending events non-blocking
drmEventContext evctx = { drmEventContext evctx = {
.version = DRM_EVENT_CONTEXT_VERSION, .version = DRM_EVENT_CONTEXT_VERSION,
.page_flip_handler = page_flip_handler .page_flip_handler = PageFlipHandler
}; };
struct pollfd pfd = { .fd = platform.fd, .events = POLLIN }; struct pollfd pfd = { .fd = platform.fd, .events = POLLIN };
@ -726,8 +727,8 @@ void SwapScreenBuffer() {
} }
// Get FB ID (creates new one if needed) // Get FB ID (creates new one if needed)
uint32_t fb_id = get_or_create_fb_for_bo(next_bo); uint32_t fbId = GetOrCreateFbForBo(next_bo);
if (!fb_id) { if (!fbId) {
gbm_surface_release_buffer(platform.gbmSurface, next_bo); gbm_surface_release_buffer(platform.gbmSurface, next_bo);
errCnt[2]++; errCnt[2]++;
return; return;
@ -744,7 +745,7 @@ void SwapScreenBuffer() {
* is rendered.. * is rendered..
* returns immediately. * returns immediately.
*/ */
if (drmModePageFlip(platform.fd, platform.crtc->crtc_id, fb_id, if (drmModePageFlip(platform.fd, platform.crtc->crtc_id, fbId,
DRM_MODE_PAGE_FLIP_EVENT, platform.prevBO)) { DRM_MODE_PAGE_FLIP_EVENT, platform.prevBO)) {
if (errno == EBUSY) { if (errno == EBUSY) {
//Display busy - skip flip //Display busy - skip flip