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WARNING: Exposed `SUPPORT_CUSTOM_FRAME_CONTROL` #1729

pull/1835/head
Ray 3 years ago
parent
ab032919df
commit
19b71f5f13
3 changed files with 81 additions and 72 deletions
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  1. +4
    -0
      src/config.h
  2. +68
    -72
      src/core.c
  3. +9
    -0
      src/raylib.h

+ 4
- 0
src/config.h View File

@ -57,6 +57,10 @@
#define SUPPORT_DATA_STORAGE 1
// Support automatic generated events, loading and recording of those events when required
#define SUPPORT_EVENTS_AUTOMATION 1
// Support custom frame control, only for advance users
// By default EndDrawing() does this job: draws everything + SwapBuffers() + manage frame timming + PollInputEvents()
// Enabling this flag allows manual control of the frame processes, use at your own risk
//#define SUPPORT_CUSTOM_FRAME_CONTROL 1
// core: Configuration values
//------------------------------------------------------------------------------------

+ 68
- 72
src/core.c View File

@ -602,12 +602,6 @@ extern void UnloadFontDefault(void); // [Module: text] Unloads default fo
static bool InitGraphicsDevice(int width, int height); // Initialize graphics device
static void SetupFramebuffer(int width, int height); // Setup main framebuffer
static void SetupViewport(int width, int height); // Set viewport for a provided width and height
static void SwapBuffers(void); // Copy back buffer to front buffer
static void InitTimer(void); // Initialize timer
static void WaitTime(float ms); // Wait for some milliseconds (stop program execution)
static void PollInputEvents(void); // Register user events
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB)
static void ErrorCallback(int error, const char *description); // GLFW3 Error Callback, runs on GLFW3 error
@ -2019,6 +2013,7 @@ void EndDrawing(void)
}
#endif
#if !defined(SUPPORT_CUSTOM_FRAME_CONTROL)
SwapBuffers(); // Copy back buffer to front buffer (screen)
// Frame time control system
@ -2041,6 +2036,7 @@ void EndDrawing(void)
}
PollInputEvents(); // Poll user events
#endif
#if defined(SUPPORT_EVENTS_AUTOMATION)
// Events recording and playing logic
@ -4660,7 +4656,7 @@ static void SetupFramebuffer(int width, int height)
}
// Initialize hi-resolution timer
static void InitTimer(void)
void InitTimer(void)
{
srand((unsigned int)time(NULL)); // Initialize random seed
@ -4690,7 +4686,7 @@ static void InitTimer(void)
// take longer than expected... for that reason we use the busy wait loop
// Ref: http://stackoverflow.com/questions/43057578/c-programming-win32-games-sleep-taking-longer-than-expected
// Ref: http://www.geisswerks.com/ryan/FAQS/timing.html --> All about timming on Win32!
static void WaitTime(float ms)
void WaitTime(float ms)
{
#if defined(PLATFORM_UWP)
UWPGetSleepFunc()(ms/1000);
@ -4738,8 +4734,70 @@ static void WaitTime(float ms)
#endif
}
// Poll (store) all input events
static void PollInputEvents(void)
// Swap back buffer with front buffer (screen drawing)
void SwapBuffers(void)
{
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB)
glfwSwapBuffers(CORE.Window.handle);
#endif
#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP)
eglSwapBuffers(CORE.Window.device, CORE.Window.surface);
#if defined(PLATFORM_DRM)
if (!CORE.Window.gbmSurface || (-1 == CORE.Window.fd) || !CORE.Window.connector || !CORE.Window.crtc)
{
TRACELOG(LOG_ERROR, "DISPLAY: DRM initialization failed to swap");
abort();
}
struct gbm_bo *bo = gbm_surface_lock_front_buffer(CORE.Window.gbmSurface);
if (!bo)
{
TRACELOG(LOG_ERROR, "DISPLAY: Failed GBM to lock front buffer");
abort();
}
uint32_t fb = 0;
int result = drmModeAddFB(CORE.Window.fd, CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay,
CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay, 24, 32, gbm_bo_get_stride(bo), gbm_bo_get_handle(bo).u32, &fb);
if (0 != result)
{
TRACELOG(LOG_ERROR, "DISPLAY: drmModeAddFB() failed with result: %d", result);
abort();
}
result = drmModeSetCrtc(CORE.Window.fd, CORE.Window.crtc->crtc_id, fb, 0, 0,
&CORE.Window.connector->connector_id, 1, &CORE.Window.connector->modes[CORE.Window.modeIndex]);
if (0 != result)
{
TRACELOG(LOG_ERROR, "DISPLAY: drmModeSetCrtc() failed with result: %d", result);
abort();
}
if (CORE.Window.prevFB)
{
result = drmModeRmFB(CORE.Window.fd, CORE.Window.prevFB);
if (0 != result)
{
TRACELOG(LOG_ERROR, "DISPLAY: drmModeRmFB() failed with result: %d", result);
abort();
}
}
CORE.Window.prevFB = fb;
if (CORE.Window.prevBO)
{
gbm_surface_release_buffer(CORE.Window.gbmSurface, CORE.Window.prevBO);
}
CORE.Window.prevBO = bo;
#endif // PLATFORM_DRM
#endif // PLATFORM_ANDROID || PLATFORM_RPI || PLATFORM_DRM || PLATFORM_UWP
}
// Register all input events
void PollInputEvents(void)
{
#if defined(SUPPORT_GESTURES_SYSTEM)
// NOTE: Gestures update must be called every frame to reset gestures correctly
@ -5015,68 +5073,6 @@ static void PollInputEvents(void)
#endif
}
// Copy back buffer to front buffers
static void SwapBuffers(void)
{
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB)
glfwSwapBuffers(CORE.Window.handle);
#endif
#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP)
eglSwapBuffers(CORE.Window.device, CORE.Window.surface);
#if defined(PLATFORM_DRM)
if (!CORE.Window.gbmSurface || (-1 == CORE.Window.fd) || !CORE.Window.connector || !CORE.Window.crtc)
{
TRACELOG(LOG_ERROR, "DISPLAY: DRM initialization failed to swap");
abort();
}
struct gbm_bo *bo = gbm_surface_lock_front_buffer(CORE.Window.gbmSurface);
if (!bo)
{
TRACELOG(LOG_ERROR, "DISPLAY: Failed GBM to lock front buffer");
abort();
}
uint32_t fb = 0;
int result = drmModeAddFB(CORE.Window.fd, CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay,
CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay, 24, 32, gbm_bo_get_stride(bo), gbm_bo_get_handle(bo).u32, &fb);
if (0 != result)
{
TRACELOG(LOG_ERROR, "DISPLAY: drmModeAddFB() failed with result: %d", result);
abort();
}
result = drmModeSetCrtc(CORE.Window.fd, CORE.Window.crtc->crtc_id, fb, 0, 0,
&CORE.Window.connector->connector_id, 1, &CORE.Window.connector->modes[CORE.Window.modeIndex]);
if (0 != result)
{
TRACELOG(LOG_ERROR, "DISPLAY: drmModeSetCrtc() failed with result: %d", result);
abort();
}
if (CORE.Window.prevFB)
{
result = drmModeRmFB(CORE.Window.fd, CORE.Window.prevFB);
if (0 != result)
{
TRACELOG(LOG_ERROR, "DISPLAY: drmModeRmFB() failed with result: %d", result);
abort();
}
}
CORE.Window.prevFB = fb;
if (CORE.Window.prevBO)
{
gbm_surface_release_buffer(CORE.Window.gbmSurface, CORE.Window.prevBO);
}
CORE.Window.prevBO = bo;
#endif // PLATFORM_DRM
#endif // PLATFORM_ANDROID || PLATFORM_RPI || PLATFORM_DRM || PLATFORM_UWP
}
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB)
// GLFW3 Error Callback, runs on GLFW3 error
static void ErrorCallback(int error, const char *description)

+ 9
- 0
src/raylib.h View File

@ -960,6 +960,15 @@ RLAPI const char *GetMonitorName(int monitor); // Get the hum
RLAPI void SetClipboardText(const char *text); // Set clipboard text content
RLAPI const char *GetClipboardText(void); // Get clipboard text content
// Custom frame control functions
// NOTE: Those functions are intended for advance users that want full control over the frame processing
// By default EndDrawing() does this job: draws everything + SwapBuffers() + manage frame timming + PollInputEvents()
// To avoid that behaviour and control frame processes manually, enable in config.h: SUPPORT_CUSTOM_FRAME_CONTROL
RLAPI void InitTimer(void); // Initialize timer (hi-resolution if available)
RLAPI void WaitTime(float ms); // Wait for some milliseconds (halt program execution)
RLAPI void SwapBuffers(void); // Swap back buffer with front buffer (screen drawing)
RLAPI void PollInputEvents(void); // Register all input events
// Cursor-related functions
RLAPI void ShowCursor(void); // Shows cursor
RLAPI void HideCursor(void); // Hides cursor

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