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07df6201eb
The explicit blit() calls should not be needed, let the autoblit thread handle it instead.
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/*
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Copyright (C) 2007-2013 Stefan Seyfried
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License: GPL
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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private functions for the fbaccel class (only used in CFrameBuffer)
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*/
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#ifndef __fbaccel__
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#define __fbaccel__
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#include <config.h>
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#include <stdint.h>
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#include <linux/fb.h>
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#include <linux/vt.h>
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#include <string>
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#include <map>
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#include <vector>
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#include <OpenThreads/Mutex>
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#include <OpenThreads/ScopedLock>
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#include <OpenThreads/Thread>
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#include <OpenThreads/Condition>
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#if HAVE_SPARK_HARDWARE
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#define PARTIAL_BLIT 1
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#endif
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class CFrameBuffer;
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class CFbAccel
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: public OpenThreads::Thread
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{
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private:
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CFrameBuffer *fb;
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fb_pixel_t lastcol;
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OpenThreads::Mutex mutex;
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#ifdef USE_NEVIS_GXA
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int devmem_fd; /* to access the GXA register we use /dev/mem */
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unsigned int smem_start; /* as aquired from the fbdev, the framebuffers physical start address */
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volatile uint8_t *gxa_base; /* base address for the GXA's register access */
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void add_gxa_sync_marker(void);
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#endif /* USE_NEVIS_GXA */
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void setColor(fb_pixel_t col);
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void run(void);
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void blit(void);
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void _blit(void);
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bool blit_thread;
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bool blit_pending;
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OpenThreads::Condition blit_cond;
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OpenThreads::Mutex blit_mutex;
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#ifdef PARTIAL_BLIT
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OpenThreads::Mutex to_blit_mutex;
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struct {
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int xs;
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int ys;
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int xe;
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int ye;
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} to_blit;
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uint32_t last_xres;
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#endif
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public:
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fb_pixel_t *backbuffer;
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fb_pixel_t *lbb;
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CFbAccel(CFrameBuffer *fb);
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~CFbAccel();
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bool init(void);
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int setMode(void);
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void paintPixel(int x, int y, const fb_pixel_t col);
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void paintRect(const int x, const int y, const int dx, const int dy, const fb_pixel_t col);
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void paintLine(int xa, int ya, int xb, int yb, const fb_pixel_t col);
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void blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff, uint32_t xp, uint32_t yp, bool transp);
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void waitForIdle(void);
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void mark(int x, int y, int dx, int dy);
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void update();
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#ifdef USE_NEVIS_GXA
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void setupGXA(void);
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#endif
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};
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#endif
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