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77305d47c2
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Sam Lantinga 77305d47c2 Fixed bug 3345 - SDL_RenderClear inconsistency with ClipRect 
Simon Hug

The description of the SDL_RenderClear function in the SDL_render.h header says the following:

"This function clears the entire rendering target, ignoring the viewport."

The word "entire" implies that the clipping rectangle set with SDL_RenderSetClipRect also gets ignored. This is left somewhat ambiguous if only the viewport is mentioned. Minor thing, but let's see what the implementations actually do.

The software renderer ignores the clipping rectangle when clearing. It even has a comment on this: /* By definition the clear ignores the clip rect */

Most other render drivers (opengl, opengles, opengles2, direct3d, and psp [I assume. Can't test it.]) use the scissor test for the ClipRect and don't disable it when clearing. Clearing will only happen within the clipping rectangle for these drivers.

An exception is direct3d11 which uses a clear function that ignores the scissor test.
2016-10-01 11:46:32 -07:00
..
begin_code.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
close_code.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_assert.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_atomic.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_audio.h audio: Implemented buffer queueing for capture devices (SDL_DequeueAudio()). 2016-08-06 02:47:27 -04:00
SDL_bits.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_blendmode.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_clipboard.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config_android.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config_iphoneos.h Enable SDL_LoadObject on iOS 8+ and tvOS. 2016-09-25 15:02:06 -03:00
SDL_config_macosx.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config_minimal.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config_pandora.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config_psp.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config_windows.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config_winrt.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config_wiz.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config.h.cmake Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_config.h.in Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_copying.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_cpuinfo.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_egl.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_endian.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_error.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_events.h Added SDL_DROPBEGIN and SDL_DROPCOMPLETE events, plus window IDs for drops. 2016-01-05 01:42:00 -05:00
SDL_filesystem.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_gamecontroller.h Added brackets to function names in header comments so that doxygen links them. 2016-08-03 22:30:31 +02:00
SDL_gesture.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_haptic.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_hints.h Fixed bug 3352 - Adding alpha mask support to SDL_SaveBMP_RW 2016-10-01 11:29:13 -07:00
SDL_joystick.h Added brackets to function names in header comments so that doxygen links them. 2016-08-03 22:30:31 +02:00
SDL_keyboard.h Fixed two old identifiers in header comments. 2016-08-03 22:39:44 +02:00
SDL_keycode.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_loadso.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_log.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_main.h Android: Updated name of README file. 2016-04-25 22:17:38 +02:00
SDL_messagebox.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_mouse.h Added brackets to function names in header comments so that doxygen links them. 2016-08-03 22:30:31 +02:00
SDL_mutex.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_name.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_opengl_glext.h Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
SDL_opengl.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_opengles2_gl2.h Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
SDL_opengles2_gl2ext.h Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
SDL_opengles2_gl2platform.h Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
SDL_opengles2_khrplatform.h Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
SDL_opengles2.h Fixed including OpenGL ES on iOS without any other SDL headers 2016-09-14 08:20:24 -07:00
SDL_opengles.h Fixed including OpenGL ES on iOS without any other SDL headers 2016-09-14 08:20:24 -07:00
SDL_pixels.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_platform.h Initial Apple TV / tvOS support. 2016-09-13 22:18:06 -03:00
SDL_power.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_quit.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_rect.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_render.h Fixed bug 3345 - SDL_RenderClear inconsistency with ClipRect 2016-10-01 11:46:32 -07:00
SDL_revision.h Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
SDL_rwops.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_scancode.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_shape.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_stdinc.h Fixed bug 3336 - Failure to build with MinGW-w64 2016-10-01 10:28:00 -07:00
SDL_surface.h Fixed bug 3352 - Adding alpha mask support to SDL_SaveBMP_RW 2016-10-01 11:29:13 -07:00
SDL_system.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_syswm.h Expose the EGL display and window for Vivante SDL windows 2016-01-16 21:58:49 -08:00
SDL_test_assert.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_common.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_compare.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_crc32.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_font.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_fuzzer.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_harness.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_images.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_log.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_md5.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test_random.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_test.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_thread.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_timer.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_touch.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_types.h Updated copyright to 2016 2016-01-02 10:10:34 -08:00
SDL_version.h Updated version to 2.0.5 in preparation for release 2016-09-28 22:24:01 -07:00
SDL_video.h Added SDL_SetWindowResizable(). (thanks, Ethan!) 2016-09-29 22:52:41 -04:00
SDL.h Added brackets to function names in header comments so that doxygen links them. 2016-08-03 22:30:31 +02:00