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Date: Tue, 12 Aug 2003 14:26:19 +0200 (MEST) From: "Mattias Engdeg?rd" Subject: bug in SDL_GetRGB/GetRGBA There's an embarrassing bug in GetRGB/GetRGBA which apparently has been there for years. It incorrectly converts colours with < 8 bits/channel. It came to my attention today in #sdl. What it does now is (for each channel): rv = (pixel & fmt->Rmask) >> fmt->Rshift; *r = (rv << fmt->Rloss) + (rv >> (8 - fmt->Rloss)); which is wrong; the last line should be *r = (rv << fmt->Rloss) + (rv >> (8 - (fmt->Rloss << 1)));
author Sam Lantinga <slouken@libsdl.org>
date Tue, 12 Aug 2003 15:17:20 +0000
parents e4af2c852c09
children 4ab6d1fd028f
line wrap: on
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## Makefile.am for SDL using the QNX Photon video driver

noinst_LTLIBRARIES = libvideo_photon.la
libvideo_photon_la_SOURCES = $(PH_SRCS)

# The SDL QNX Photon video driver sources
PH_SRCS = 			\
	SDL_ph_events.c		\
	SDL_ph_events_c.h	\
	SDL_ph_image.c		\
	SDL_ph_image_c.h	\
	SDL_ph_modes.c		\
	SDL_ph_modes_c.h	\
	SDL_ph_mouse.c		\
	SDL_ph_mouse_c.h	\
	SDL_ph_video.c		\
	SDL_ph_video.h		\
	SDL_ph_wm.c		\
	SDL_ph_wm_c.h		\
	SDL_phyuv.c		\
	SDL_phyuv_c.h