55b58a3f30
test_fps can also now report reasonable numbers: ~62 fps for both 1/1 and 1/4 updates (was 300-400 previously). git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28728 a1c6a512-1295-4272-9138-f99709370657
378 lines
11 KiB
C
378 lines
11 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (c) 2010 Thomas Martitz
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <jni.h>
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#include "config.h"
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#include "system.h"
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#include "kernel.h"
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#include "lcd.h"
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extern JNIEnv *env_ptr;
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extern jclass RockboxService_class;
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extern jobject RockboxService_instance;
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static jclass RockboxFramebuffer_class;
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static jobject RockboxFramebuffer_instance;
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static jmethodID postInvalidate1;
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static jmethodID postInvalidate2;
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static bool display_on;
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static int dpi;
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static int scroll_threshold;
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static struct wakeup lcd_wakeup;
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void lcd_init_device(void)
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{
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JNIEnv e = *env_ptr;
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wakeup_init(&lcd_wakeup);
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RockboxFramebuffer_class = e->FindClass(env_ptr,
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"org/rockbox/RockboxFramebuffer");
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/* instantiate a RockboxFramebuffer instance
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*
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* Pass lcd width and height and our framebuffer so the java layer
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* can create a Bitmap which directly maps to it
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**/
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/* map the framebuffer to a ByteBuffer, this way lcd updates will
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* be directly feched from the framebuffer */
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jobject buf = e->NewDirectByteBuffer(env_ptr,
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lcd_framebuffer,
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(jlong)sizeof(lcd_framebuffer));
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jmethodID constructor = e->GetMethodID(env_ptr,
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RockboxFramebuffer_class,
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"<init>",
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"(Landroid/content/Context;" /* Service */
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"II" /* lcd width/height */
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"Ljava/nio/ByteBuffer;)V"); /* ByteBuffer */
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RockboxFramebuffer_instance = e->NewObject(env_ptr,
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RockboxFramebuffer_class,
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constructor,
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RockboxService_instance,
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(jint)LCD_WIDTH,
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(jint)LCD_HEIGHT,
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buf);
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/* cache update functions */
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postInvalidate1 = (*env_ptr)->GetMethodID(env_ptr,
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RockboxFramebuffer_class,
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"postInvalidate",
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"()V");
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postInvalidate2 = (*env_ptr)->GetMethodID(env_ptr,
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RockboxFramebuffer_class,
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"postInvalidate",
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"(IIII)V");
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jmethodID get_dpi = e->GetMethodID(env_ptr,
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RockboxFramebuffer_class,
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"getDpi", "()I");
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jmethodID get_scroll_threshold
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= e->GetMethodID(env_ptr,
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RockboxFramebuffer_class,
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"getScrollThreshold", "()I");
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dpi = e->CallIntMethod(env_ptr, RockboxFramebuffer_instance,
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get_dpi);
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scroll_threshold = e->CallIntMethod(env_ptr, RockboxFramebuffer_instance,
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get_scroll_threshold);
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display_on = true;
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}
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/* the update mechanism is asynchronous since
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* onDraw() must be called from the UI thread
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*
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* The Rockbox thread calling lcd_update() has to wait
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* for the update to complete, so that it's synchronous,
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* and we need to notify it (we could wait in the java layer, but
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* that'd block the other Rockbox threads too)
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*
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* That should give more smoonth animations
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*/
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void lcd_update(void)
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{
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/* tell the system we're ready for drawing */
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if (display_on)
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{
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(*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance, postInvalidate1);
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wakeup_wait(&lcd_wakeup, TIMEOUT_BLOCK);
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}
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}
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void lcd_update_rect(int x, int y, int width, int height)
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{
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if (display_on)
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{
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(*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance, postInvalidate2,
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(jint)x, (jint)y, (jint)x+width, (jint)y+height);
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wakeup_wait(&lcd_wakeup, TIMEOUT_BLOCK);
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}
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}
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JNIEXPORT void JNICALL
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Java_org_rockbox_RockboxFramebuffer_post_1update_1done(JNIEnv *e, jobject this)
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{
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(void)e;
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(void)this;
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wakeup_signal(&lcd_wakeup);
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}
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bool lcd_active(void)
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{
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return display_on;
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}
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int lcd_get_dpi(void)
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{
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return dpi;
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}
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int touchscreen_get_scroll_threshold(void)
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{
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return scroll_threshold;
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}
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/*
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* (un)block lcd updates.
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*
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* Notice: This is called from the activity thread, so take it
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* as interrupt context and take care what the event callback does
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* (it shouldn't block in particular
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*
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* the 1s are needed due to strange naming conventions...
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**/
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JNIEXPORT void JNICALL
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Java_org_rockbox_RockboxFramebuffer_set_1lcd_1active(JNIEnv *e,
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jobject this,
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jint active)
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{
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(void)e;
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(void)this;
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display_on = active != 0;
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if (active)
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send_event(LCD_EVENT_ACTIVATION, NULL);
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}
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/* below is a plain copy from lcd-sdl.c */
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/**
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* |R| |1.000000 -0.000001 1.402000| |Y'|
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* |G| = |1.000000 -0.334136 -0.714136| |Pb|
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* |B| |1.000000 1.772000 0.000000| |Pr|
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* Scaled, normalized, rounded and tweaked to yield RGB 565:
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* |R| |74 0 101| |Y' - 16| >> 9
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* |G| = |74 -24 -51| |Cb - 128| >> 8
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* |B| |74 128 0| |Cr - 128| >> 9
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*/
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#define YFAC (74)
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#define RVFAC (101)
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#define GUFAC (-24)
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#define GVFAC (-51)
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#define BUFAC (128)
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static inline int clamp(int val, int min, int max)
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{
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if (val < min)
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val = min;
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else if (val > max)
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val = max;
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return val;
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}
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void lcd_yuv_set_options(unsigned options)
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{
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(void)options;
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}
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/* Draw a partial YUV colour bitmap - similiar behavior to lcd_blit_yuv
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in the core */
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void lcd_blit_yuv(unsigned char * const src[3],
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int src_x, int src_y, int stride,
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int x, int y, int width, int height)
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{
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const unsigned char *ysrc, *usrc, *vsrc;
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int linecounter;
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fb_data *dst, *row_end;
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long z;
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/* width and height must be >= 2 and an even number */
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width &= ~1;
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linecounter = height >> 1;
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#if LCD_WIDTH >= LCD_HEIGHT
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dst = &lcd_framebuffer[y][x];
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row_end = dst + width;
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#else
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dst = &lcd_framebuffer[x][LCD_WIDTH - y - 1];
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row_end = dst + LCD_WIDTH * width;
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#endif
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z = stride * src_y;
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ysrc = src[0] + z + src_x;
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usrc = src[1] + (z >> 2) + (src_x >> 1);
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vsrc = src[2] + (usrc - src[1]);
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/* stride => amount to jump from end of last row to start of next */
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stride -= width;
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/* upsampling, YUV->RGB conversion and reduction to RGB565 in one go */
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do
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{
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do
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{
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int y, cb, cr, rv, guv, bu, r, g, b;
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y = YFAC*(*ysrc++ - 16);
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cb = *usrc++ - 128;
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cr = *vsrc++ - 128;
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rv = RVFAC*cr;
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guv = GUFAC*cb + GVFAC*cr;
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bu = BUFAC*cb;
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r = y + rv;
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g = y + guv;
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b = y + bu;
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if ((unsigned)(r | g | b) > 64*256-1)
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{
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r = clamp(r, 0, 64*256-1);
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g = clamp(g, 0, 64*256-1);
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b = clamp(b, 0, 64*256-1);
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}
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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#if LCD_WIDTH >= LCD_HEIGHT
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dst++;
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#else
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dst += LCD_WIDTH;
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#endif
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y = YFAC*(*ysrc++ - 16);
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r = y + rv;
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g = y + guv;
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b = y + bu;
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if ((unsigned)(r | g | b) > 64*256-1)
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{
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r = clamp(r, 0, 64*256-1);
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g = clamp(g, 0, 64*256-1);
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b = clamp(b, 0, 64*256-1);
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}
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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#if LCD_WIDTH >= LCD_HEIGHT
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dst++;
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#else
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dst += LCD_WIDTH;
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#endif
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}
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while (dst < row_end);
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ysrc += stride;
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usrc -= width >> 1;
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vsrc -= width >> 1;
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#if LCD_WIDTH >= LCD_HEIGHT
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row_end += LCD_WIDTH;
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dst += LCD_WIDTH - width;
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#else
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row_end -= 1;
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dst -= LCD_WIDTH*width + 1;
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#endif
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do
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{
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int y, cb, cr, rv, guv, bu, r, g, b;
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y = YFAC*(*ysrc++ - 16);
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cb = *usrc++ - 128;
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cr = *vsrc++ - 128;
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rv = RVFAC*cr;
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guv = GUFAC*cb + GVFAC*cr;
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bu = BUFAC*cb;
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r = y + rv;
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g = y + guv;
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b = y + bu;
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if ((unsigned)(r | g | b) > 64*256-1)
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{
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r = clamp(r, 0, 64*256-1);
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g = clamp(g, 0, 64*256-1);
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b = clamp(b, 0, 64*256-1);
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}
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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#if LCD_WIDTH >= LCD_HEIGHT
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dst++;
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#else
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dst += LCD_WIDTH;
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#endif
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y = YFAC*(*ysrc++ - 16);
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r = y + rv;
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g = y + guv;
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b = y + bu;
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if ((unsigned)(r | g | b) > 64*256-1)
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{
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r = clamp(r, 0, 64*256-1);
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g = clamp(g, 0, 64*256-1);
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b = clamp(b, 0, 64*256-1);
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}
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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#if LCD_WIDTH >= LCD_HEIGHT
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dst++;
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#else
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dst += LCD_WIDTH;
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#endif
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}
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while (dst < row_end);
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ysrc += stride;
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usrc += stride >> 1;
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vsrc += stride >> 1;
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#if LCD_WIDTH >= LCD_HEIGHT
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row_end += LCD_WIDTH;
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dst += LCD_WIDTH - width;
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#else
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row_end -= 1;
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dst -= LCD_WIDTH*width + 1;
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#endif
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}
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while (--linecounter > 0);
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#if LCD_WIDTH >= LCD_HEIGHT
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lcd_update_rect(x, y, width, height);
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#else
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lcd_update_rect(LCD_WIDTH - y - height, x, height, width);
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#endif
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}
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