379 lines
8.2 KiB
C
379 lines
8.2 KiB
C
#include <stdint.h>
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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#include <libswscale/swscale.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include "../winlib/winlib.h"
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#include "fplay.h"
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#define DISPLAY_VERSION 0x0200 /* 2.00 */
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#define SRV_GETVERSION 0
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#define SRV_GET_CAPS 3
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#define SRV_CREATE_SURFACE 10
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#define SRV_LOCK_SURFACE 12
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#define SRV_BLIT_VIDEO 20
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#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
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#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
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//void InitPixlib(uint32_t flags);
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static uint32_t service;
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static uint32_t blit_caps;
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typedef struct
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{
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uint32_t idx;
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union
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{
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uint32_t opt[2];
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struct {
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uint32_t max_tex_width;
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uint32_t max_tex_height;
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}cap1;
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};
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}hwcaps_t;
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static uint32_t get_service(char *name)
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{
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uint32_t retval = 0;
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asm volatile ("int $0x40"
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:"=a"(retval)
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:"a"(68),"b"(16),"c"(name)
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:"memory");
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return retval;
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};
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static int call_service(ioctl_t *io)
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{
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int retval;
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asm volatile("int $0x40"
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:"=a"(retval)
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:"a"(68),"b"(17),"c"(io)
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:"memory","cc");
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return retval;
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};
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#define BUFFER_SIZE(n) ((n)*sizeof(uint32_t))
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uint32_t InitPixlib(uint32_t caps)
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{
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uint32_t api_version;
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hwcaps_t hwcaps;
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ioctl_t io;
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// __asm__ __volatile__("int3");
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service = get_service("DISPLAY");
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if(service == 0)
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goto fail;
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io.handle = service;
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io.io_code = SRV_GETVERSION;
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io.input = NULL;
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io.inp_size = 0;
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io.output = &api_version;
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io.out_size = BUFFER_SIZE(1);
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if (call_service(&io)!=0)
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goto fail;
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if( (DISPLAY_VERSION > (api_version & 0xFFFF)) ||
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(DISPLAY_VERSION < (api_version >> 16)))
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goto fail;
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/*
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* Let's see what this service can do
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*/
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hwcaps.idx = 0;
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io.handle = service;
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io.io_code = SRV_GET_CAPS;
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io.input = &hwcaps;
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io.inp_size = sizeof(hwcaps);
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io.output = NULL;
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io.out_size = 0;
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if (call_service(&io)!=0)
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goto fail;
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blit_caps = hwcaps.opt[0];
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printf("\nDISPLAY service handle %x\n", service);
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if( blit_caps )
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printf("service caps %s%s%s\n",
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(blit_caps & HW_BIT_BLIT) != 0 ?"HW_BIT_BLIT ":"",
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(blit_caps & HW_TEX_BLIT) != 0 ?"HW_TEX_BLIT ":"",
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(blit_caps & HW_VID_BLIT) != 0 ?"HW_VID_BLIT ":"");
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blit_caps&= caps;
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return blit_caps;
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fail:
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service = 0;
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return 0;
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};
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int create_bitmap(bitmap_t *bitmap)
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{
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// __asm__ __volatile__("int3");
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if( blit_caps & HW_BIT_BLIT )
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{
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struct __attribute__((packed)) /* SRV_CREATE_SURFACE */
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{
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uint32_t handle; // ignored
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void *data; // ignored
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uint32_t width;
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uint32_t height;
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uint32_t pitch; // ignored
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uint32_t max_width;
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uint32_t max_height;
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uint32_t format; // reserved mbz
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}io_10;
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ioctl_t io;
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int err;
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// printf("create bitmap %d x %d\n",
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// bitmap->width, bitmap->height);
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io_10.width = bitmap->width;
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io_10.height = bitmap->height;
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io_10.max_width = 0;
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io_10.max_height = 0;
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io_10.format = 0;
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io.handle = service;
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io.io_code = SRV_CREATE_SURFACE;
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io.input = &io_10;
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io.inp_size = BUFFER_SIZE(8);
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io.output = NULL;
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io.out_size = 0;
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err = call_service(&io);
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if(err==0)
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{
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bitmap->handle = io_10.handle;
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bitmap->pitch = io_10.pitch;
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bitmap->data = io_10.data;
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// printf("Create hardware surface %x pitch %d, buffer %x\n",
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// bitmap->handle, bitmap->pitch, bitmap->data);
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return 0;
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};
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return err;
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};
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uint32_t size;
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uint32_t pitch;
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uint8_t *buffer;
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pitch = ALIGN(bitmap->width*4, 16);
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size = pitch * bitmap->height;
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buffer = (uint8_t*)user_alloc(size);
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if( buffer )
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{
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bitmap->handle = 0;
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bitmap->pitch = pitch;
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bitmap->data = buffer;
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return 0;
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};
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printf("Cannot alloc frame buffer\n\r");
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return -1;
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};
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int lock_bitmap(bitmap_t *bitmap)
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{
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// __asm__ __volatile__("int3");
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if( blit_caps & HW_BIT_BLIT )
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{
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struct __attribute__((packed)) /* SRV_CREATE_SURFACE */
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{
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uint32_t handle; // ignored
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void *data; // ignored
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uint32_t width;
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uint32_t height;
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uint32_t pitch; // ignored
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}io_12;
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ioctl_t io;
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int err;
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io_12.handle = bitmap->handle;
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io_12.pitch = 0;
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io_12.data = 0;
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io.handle = service;
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io.io_code = SRV_LOCK_SURFACE;
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io.input = &io_12;
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io.inp_size = BUFFER_SIZE(5);
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io.output = NULL;
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io.out_size = 0;
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err = call_service(&io);
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if(err==0)
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{
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bitmap->pitch = io_12.pitch;
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bitmap->data = io_12.data;
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// printf("Lock hardware surface %x pitch %d, buffer %x\n",
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// bitmap->handle, bitmap->pitch, bitmap->data);
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return 0;
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};
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return err;
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};
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return 0;
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};
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struct blit_call
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{
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int dstx;
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int dsty;
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int w;
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int h;
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int srcx;
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int srcy;
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int srcw;
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int srch;
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unsigned char *bitmap;
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int stride;
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};
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int blit_bitmap(bitmap_t *bitmap, int dst_x, int dst_y,
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int w, int h)
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{
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if( blit_caps & HW_BIT_BLIT )
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{
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/*
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* Now you will experience the full power of the dark side...
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*/
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struct __attribute__((packed))
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{
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uint32_t handle;
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int dst_x;
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int dst_y;
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int src_x;
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int src_y;
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uint32_t w;
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uint32_t h;
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}io_20;
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ioctl_t io;
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int err;
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io_20.handle = bitmap->handle;
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io_20.dst_x = dst_x;
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io_20.dst_y = dst_y;
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io_20.src_x = 0;
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io_20.src_y = 0;
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io_20.w = w;
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io_20.h = h;
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io.handle = service;
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io.io_code = SRV_BLIT_VIDEO;
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io.input = &io_20;
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io.inp_size = BUFFER_SIZE(7);
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io.output = NULL;
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io.out_size = 0;
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// printf("do blit %x pitch %d\n",bitmap->handle,
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// bitmap->pitch);
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err = call_service(&io);
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if (call_service(&io)==0)
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{
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//bitmap->data = NULL; Not now, Serge
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// printf("blit done\n");
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delay(1);
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return 0;
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};
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return err;
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};
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volatile struct blit_call bc;
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bc.dstx = dst_x;
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bc.dsty = dst_y;
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bc.w = w;
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bc.h = h;
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bc.srcx = 0;
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bc.srcy = 0;
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bc.srcw = w;
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bc.srch = h;
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bc.stride = bitmap->pitch;
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bc.bitmap = bitmap->data;
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__asm__ __volatile__(
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"int $0x40"
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::"a"(73),"b"(0),"c"(&bc));
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return 0;
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};
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static inline void* user_realloc(void *mem, size_t size)
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{
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void *val;
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__asm__ __volatile__(
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"int $0x40"
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:"=a"(val)
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:"a"(68),"b"(12),"c"(size),"d"(mem)
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:"memory");
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return val;
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}
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int resize_bitmap(bitmap_t *bitmap)
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{
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// __asm__ __volatile__("int3");
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if( blit_caps & HW_BIT_BLIT )
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{
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/* work in progress */
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};
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uint32_t size;
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uint32_t pitch;
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uint8_t *buffer;
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pitch = ALIGN(bitmap->width*4, 16);
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size = pitch * bitmap->height;
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buffer = (uint8_t*)user_realloc(bitmap->data, size);
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if( buffer )
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{
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bitmap->handle = 0;
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bitmap->pitch = pitch;
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bitmap->data = buffer;
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return 0;
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};
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printf("Cannot realloc frame buffer\n\r");
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return -1;
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};
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