fb_accel: add accelerated framebuffer for Apollo graphic chips

src/driver/Makefile.am

@@ -46,10 +46,16 @@ libneutrino_driver_a_SOURCES = \
 	volume.cpp
 
 if BOXTYPE_COOL
+if BOXMODEL_APOLLO
+libneutrino_driver_a_SOURCES += \
+	fb_accel_cs_apollo.cpp \
+	vfd.cpp
+else
 libneutrino_driver_a_SOURCES += \
 	fb_accel_cs_nevis.cpp \
 	vfd.cpp
 endif
+endif
 
 if BOXTYPE_TRIPLE
 libneutrino_driver_a_SOURCES += \

src/driver/fb_accel.h

@@ -34,9 +34,11 @@
 #endif
 
 #if HAVE_COOL_HARDWARE
+#ifndef BOXMODEL_APOLLO
 /* not needed -- if you don't want acceleration, don't call CFbAccel ;) */
 #define USE_NEVIS_GXA 1
 #endif
+#endif
 
 class CFbAccel
 	: public CFrameBuffer
@@ -113,4 +115,23 @@ class CFbAccelCSNevis
 		void setupGXA(void);
 };
 
+class CFbAccelCSApollo
+	: public CFbAccel
+{
+	private:
+		fb_pixel_t *backbuffer;
+
+	public:
+		CFbAccelCSApollo();
+//		~CFbAccelCSApollo();
+		int setMode(unsigned int xRes, unsigned int yRes, unsigned int bpp);
+
+		void paintHLineRelInternal(int x, int dx, int y, const fb_pixel_t col);
+		void paintBoxRel(const int x, const int y, const int dx, const int dy, const fb_pixel_t col, int radius = 0, int type = CORNER_ALL);
+		void blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff, uint32_t xp = 0, uint32_t yp = 0, bool transp = false);
+		void blitBox2FB(const fb_pixel_t* boxBuf, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff);
+		void setBlendMode(uint8_t);
+		void setBlendLevel(int);
+};
+
 #endif

src/driver/fb_accel_cs_apollo.cpp

@@ -0,0 +1,245 @@
+/*
+	Framebuffer acceleration hardware abstraction functions.
+	The hardware dependent acceleration functions for coolstream apollo graphic chips
+	are represented in this class.
+
+	(C) 2017 M. Liebmann
+	Derived from old neutrino-hd framebuffer code
+
+	License: GPL
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <driver/fb_generic.h>
+#include <driver/fb_accel.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <memory.h>
+#include <limits.h>
+#include <gui/color.h>
+#include <system/debug.h>
+
+#include <cs_api.h>
+#include <cnxtfb.h>
+
+#define LOGTAG "[fb_accel_apollo] "
+
+CFbAccelCSApollo::CFbAccelCSApollo()
+{
+	fb_name = "Coolstream APOLLO framebuffer";
+}
+
+/*
+CFbAccelCSApollo::~CFbAccelCSApollo()
+{
+}
+*/
+
+void CFbAccelCSApollo::paintHLineRelInternal(int x, int dx, int y, const fb_pixel_t col)
+{
+	if (dx >= 10) {
+		fb_fillrect fillrect;
+		fillrect.dx = x;
+		fillrect.dy = y;
+		fillrect.width = dx;
+		fillrect.height = 1;
+		fillrect.color = col;
+		fillrect.rop = ROP_COPY;
+		ioctl(fd, FBIO_FILL_RECT, &fillrect);
+		return;
+	}
+	uint8_t * pos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;
+	fb_pixel_t * dest = (fb_pixel_t *)pos;
+	for (int i = 0; i < dx; i++)
+		*(dest++) = col;
+}
+
+void CFbAccelCSApollo::paintBoxRel(const int x, const int y, const int dx, const int dy, const fb_pixel_t col, int radius, int type)
+{
+	/* draw a filled rectangle (with additional round corners) */
+
+	if (!getActive())
+		return;
+
+	if (dx == 0 || dy == 0) {
+		dprintf(DEBUG_DEBUG, "[CFbAccelCSApollo] [%s - %d]: radius %d, start x %d y %d end x %d y %d\n", __func__, __LINE__, radius, x, y, x+dx, y+dy);
+		return;
+	}
+	if (radius < 0)
+		dprintf(DEBUG_NORMAL, "[CFbAccelCSApollo] [%s - %d]: WARNING! radius < 0 [%d] FIXME\n", __func__, __LINE__, radius);
+
+	checkFbArea(x, y, dx, dy, true);
+
+	fb_fillrect fillrect;
+	fillrect.color	= col;
+	fillrect.rop	= ROP_COPY;
+
+	if (type && radius) {
+		setCornerFlags(type);
+		radius = limitRadius(dx, dy, radius);
+
+		int line = 0;
+		while (line < dy) {
+			int ofl, ofr;
+			if (calcCorners(NULL, &ofl, &ofr, dy, line, radius, type)) {
+				//printf("3: x %d y %d dx %d dy %d rad %d line %d\n", x, y, dx, dy, radius, line);
+				int rect_height_mult = ((type & CORNER_TOP) && (type & CORNER_BOTTOM)) ? 2 : 1;
+				fillrect.dx	= x;
+				fillrect.dy	= y + line;
+				fillrect.width	= dx;
+				fillrect.height	= dy - (radius * rect_height_mult);
+
+				ioctl(fd, FBIO_FILL_RECT, &fillrect);
+				line += dy - (radius * rect_height_mult);
+				continue;
+			}
+
+			if (dx-ofr-ofl < 1) {
+				if (dx-ofr-ofl == 0){
+					dprintf(DEBUG_INFO, "[CFbAccelCSApollo] [%s - %d]: radius %d, start x %d y %d end x %d y %d\n", __func__, __LINE__, radius, x, y, x+dx-ofr-ofl, y+line);
+				}else{
+					dprintf(DEBUG_INFO, "[CFbAccelCSApollo] [%s - %04d]: Calculated width: %d\n                      (radius %d, dx %d, offsetLeft %d, offsetRight %d).\n                      Width can not be less than 0, abort.\n",
+						__func__, __LINE__, dx-ofr-ofl, radius, dx, ofl, ofr);
+				}
+				line++;
+				continue;
+			}
+			paintHLineRelInternal(x+ofl, dx-ofl-ofr, y+line, col);
+			line++;
+		}
+	} else {
+		/* FIXME small size faster to do by software */
+		if (dx > 10 || dy > 10) {
+			fillrect.dx	= x;
+			fillrect.dy	= y;
+			fillrect.width	= dx;
+			fillrect.height	= dy;
+			ioctl(fd, FBIO_FILL_RECT, &fillrect);
+			checkFbArea(x, y, dx, dy, false);
+			return;
+		}
+		int swidth = stride / sizeof(fb_pixel_t);
+		fb_pixel_t *fbp = getFrameBufferPointer() + (swidth * y);
+		int line = 0;
+		while (line < dy) {
+			for (int pos = x; pos < x + dx; pos++)
+				*(fbp + pos) = col;
+			fbp += swidth;
+			line++;
+		}
+	}
+	checkFbArea(x, y, dx, dy, false);
+}
+
+void CFbAccelCSApollo::blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff, uint32_t xp, uint32_t yp, bool transp)
+{
+	int  xc, yc;
+	xc = (width > xRes) ? xRes : width;
+	yc = (height > yRes) ? yRes : height;
+
+	if(!(width%4)) {
+		fb_image image;
+		image.dx = xoff;
+		image.dy = yoff;
+		image.width = xc;
+		image.height = yc;
+		image.cmap.len = 0;
+		image.depth = 32;
+		image.data = (const char*)fbbuff;
+		ioctl(fd, FBIO_IMAGE_BLT, &image);
+//printf(">>>>>[%s:%d] Use HW accel\n", __func__, __LINE__);
+		return;
+	}
+	CFrameBuffer::blit2FB(fbbuff, width, height, xoff, yoff, xp, yp, transp);
+//printf(">>>>>[%s:%d] NO HW accel\n", __func__, __LINE__);
+}
+
+void CFbAccelCSApollo::blitBox2FB(const fb_pixel_t* boxBuf, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff)
+{
+	if(width <1 || height <1 || !boxBuf )
+		return;
+
+	uint32_t xc = (width > xRes) ? (uint32_t)xRes : width;
+	uint32_t yc = (height > yRes) ? (uint32_t)yRes : height;
+
+	if (!(width%4)) {
+		fb_image image;
+		image.dx = xoff;
+		image.dy = yoff;
+		image.width = xc;
+		image.height = yc;
+		image.cmap.len = 0;
+		image.depth = 32;
+		image.data = (const char*)boxBuf;
+		ioctl(fd, FBIO_IMAGE_BLT, &image);
+//printf("\033[33m>>>>\033[0m [%s:%s:%d] FB_HW_ACCELERATION x: %d, y: %d, w: %d, h: %d\n", __file__, __func__, __LINE__, xoff, yoff, xc, yc);
+		return;
+	}
+	CFrameBuffer::blitBox2FB(boxBuf, width, height, xoff, yoff);
+//printf("\033[31m>>>>\033[0m [%s:%s:%d] Not use FB_HW_ACCELERATION x: %d, y: %d, w: %d, h: %d\n", __file__, __func__, __LINE__, xoff, yoff, xc, yc);
+}
+
+int CFbAccelCSApollo::setMode(unsigned int, unsigned int, unsigned int)
+{
+	fb_fix_screeninfo _fix;
+
+	if (ioctl(fd, FBIOGET_FSCREENINFO, &_fix) < 0) {
+		perror("FBIOGET_FSCREENINFO");
+		return -1;
+	}
+	stride = _fix.line_length;
+	if (ioctl(fd, FBIOBLANK, FB_BLANK_UNBLANK) < 0)
+		printf("screen unblanking failed\n");
+	xRes = screeninfo.xres;
+	yRes = screeninfo.yres;
+	bpp  = screeninfo.bits_per_pixel;
+	printf(LOGTAG "%dx%dx%d line length %d. using apollo graphics accelerator.\n", xRes, yRes, bpp, stride);
+	int needmem = stride * yRes * 2;
+	if (available >= needmem)
+	{
+		backbuffer = lfb + stride / sizeof(fb_pixel_t) * yRes;
+		return 0;
+	}
+	fprintf(stderr, LOGTAG "not enough FB memory (have %d, need %d)\n", available, needmem);
+	backbuffer = lfb; /* will not work well, but avoid crashes */
+	return 0; /* dont fail because of this */
+}
+
+void CFbAccelCSApollo::setBlendMode(uint8_t mode)
+{
+	if (ioctl(fd, FBIO_SETBLENDMODE, mode))
+		printf("FBIO_SETBLENDMODE failed.\n");
+}
+
+void CFbAccelCSApollo::setBlendLevel(int level)
+{
+	unsigned char value = 0xFF;
+	if (level >= 0 && level <= 100)
+		value = convertSetupAlpha2Alpha(level);
+
+	if (ioctl(fd, FBIO_SETOPACITY, value))
+		printf("FBIO_SETOPACITY failed.\n");
+	if (level == 100) // TODO: sucks.
+		usleep(20000);
+}

src/driver/fb_generic.cpp

@@ -124,7 +124,11 @@ CFrameBuffer* CFrameBuffer::getInstance()
 		frameBuffer = new CFbAccelSTi();
 #endif
 #if HAVE_COOL_HARDWARE
+#ifdef BOXMODEL_APOLLO
+		frameBuffer = new CFbAccelCSApollo();
+#else
 		frameBuffer = new CFbAccelCSNevis();
+#endif
 #endif
 		if (!frameBuffer)
 			frameBuffer = new CFrameBuffer();