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Diffstat (limited to 'distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsyuv.c')
-rw-r--r--distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsyuv.c461
1 files changed, 0 insertions, 461 deletions
diff --git a/distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsyuv.c b/distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsyuv.c
deleted file mode 100644
index 849633c..0000000
--- a/distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsyuv.c
+++ /dev/null
@@ -1,461 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-/* This is the Playstation 2 implementation of YUV video overlays */
-
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <asm/page.h> /* For definition of PAGE_SIZE */
-
-#include "SDL_video.h"
-#include "SDL_gsyuv_c.h"
-#include "../SDL_yuvfuncs.h"
-
-/* The maximum number of 16x16 pixel block converted at once */
-#define MAX_MACROBLOCKS 1024 /* 2^10 macroblocks at once */
-
-/* The functions used to manipulate video overlays */
-static struct private_yuvhwfuncs gs_yuvfuncs = {
- GS_LockYUVOverlay,
- GS_UnlockYUVOverlay,
- GS_DisplayYUVOverlay,
- GS_FreeYUVOverlay
-};
-
-struct private_yuvhwdata {
- int ipu_fd;
- Uint8 *pixels;
- int macroblocks;
- int dma_len;
- caddr_t dma_mem;
- caddr_t ipu_imem;
- caddr_t ipu_omem;
- caddr_t dma_tags;
- unsigned long long *stretch_x1y1;
- unsigned long long *stretch_x2y2;
- struct ps2_plist plist;
-
- /* These are just so we don't have to allocate them separately */
- Uint16 pitches[3];
- Uint8 *planes[3];
-};
-
-static int power_of_2(int value)
-{
- int shift;
-
- for ( shift = 0; (1<<shift) < value; ++shift ) {
- /* Keep looking */ ;
- }
- return(shift);
-}
-
-SDL_Overlay *GS_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display)
-{
- SDL_Overlay *overlay;
- struct private_yuvhwdata *hwdata;
- int map_offset;
- unsigned long long *tags;
- caddr_t base;
- int bpp;
- int fbp, fbw, psm;
- int x, y, w, h;
- int pnum;
- struct ps2_packet *packet;
- struct ps2_packet tex_packet;
-
- /* We can only decode blocks of 16x16 pixels */
- if ( (width & 15) || (height & 15) ) {
- SDL_SetError("Overlay width/height must be multiples of 16");
- return(NULL);
- }
- /* Make sure the image isn't too large for a single DMA transfer */
- if ( ((width/16) * (height/16)) > MAX_MACROBLOCKS ) {
- SDL_SetError("Overlay too large (maximum size: %d pixels)",
- MAX_MACROBLOCKS * 16 * 16);
- return(NULL);
- }
-
- /* Double-check the requested format. For simplicity, we'll only
- support planar YUV formats.
- */
- switch (format) {
- case SDL_YV12_OVERLAY:
- case SDL_IYUV_OVERLAY:
- /* Supported planar YUV format */
- break;
- default:
- SDL_SetError("Unsupported YUV format");
- return(NULL);
- }
-
- /* Create the overlay structure */
- overlay = (SDL_Overlay *)SDL_malloc(sizeof *overlay);
- if ( overlay == NULL ) {
- SDL_OutOfMemory();
- return(NULL);
- }
- SDL_memset(overlay, 0, (sizeof *overlay));
-
- /* Fill in the basic members */
- overlay->format = format;
- overlay->w = width;
- overlay->h = height;
-
- /* Set up the YUV surface function structure */
- overlay->hwfuncs = &gs_yuvfuncs;
- overlay->hw_overlay = 1;
-
- /* Create the pixel data */
- hwdata = (struct private_yuvhwdata *)SDL_malloc(sizeof *hwdata);
- overlay->hwdata = hwdata;
- if ( hwdata == NULL ) {
- SDL_FreeYUVOverlay(overlay);
- SDL_OutOfMemory();
- return(NULL);
- }
- hwdata->ipu_fd = -1;
- hwdata->pixels = (Uint8 *)SDL_malloc(width*height*2);
- if ( hwdata->pixels == NULL ) {
- SDL_FreeYUVOverlay(overlay);
- SDL_OutOfMemory();
- return(NULL);
- }
- hwdata->macroblocks = (width/16) * (height/16);
-
- /* Find the pitch and offset values for the overlay */
- overlay->pitches = hwdata->pitches;
- overlay->pixels = hwdata->planes;
- switch (format) {
- case SDL_YV12_OVERLAY:
- case SDL_IYUV_OVERLAY:
- overlay->pitches[0] = overlay->w;
- overlay->pitches[1] = overlay->pitches[0] / 2;
- overlay->pitches[2] = overlay->pitches[0] / 2;
- overlay->pixels[0] = hwdata->pixels;
- overlay->pixels[1] = overlay->pixels[0] +
- overlay->pitches[0] * overlay->h;
- overlay->pixels[2] = overlay->pixels[1] +
- overlay->pitches[1] * overlay->h / 2;
- overlay->planes = 3;
- break;
- default:
- /* We should never get here (caught above) */
- break;
- }
-
- /* Theoretically we could support several concurrent decode
- streams queueing up on the same file descriptor, but for
- simplicity we'll support only one. Opening the IPU more
- than once will fail with EBUSY.
- */
- hwdata->ipu_fd = open("/dev/ps2ipu", O_RDWR);
- if ( hwdata->ipu_fd < 0 ) {
- SDL_FreeYUVOverlay(overlay);
- SDL_SetError("Playstation 2 IPU busy");
- return(NULL);
- }
-
- /* Allocate a DMA area for pixel conversion */
- bpp = this->screen->format->BytesPerPixel;
- map_offset = (mapped_len + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
- hwdata->dma_len = hwdata->macroblocks * (16 * 16 + 8 * 8 + 8 * 8) +
- width * height * bpp +
- hwdata->macroblocks * (16 * sizeof(long long)) +
- 12 * sizeof(long long);
- hwdata->dma_mem = mmap(0, hwdata->dma_len, PROT_READ|PROT_WRITE,
- MAP_SHARED, memory_fd, map_offset);
- if ( hwdata->dma_mem == MAP_FAILED ) {
- hwdata->ipu_imem = (caddr_t)0;
- SDL_FreeYUVOverlay(overlay);
- SDL_SetError("Unable to map %d bytes for DMA", hwdata->dma_len);
- return(NULL);
- }
- hwdata->ipu_imem = hwdata->dma_mem;
- hwdata->ipu_omem = hwdata->ipu_imem +
- hwdata->macroblocks * (16 * 16 + 8 * 8 + 8 * 8);
- hwdata->dma_tags = hwdata->ipu_omem + width * height * bpp;
-
- /* Allocate memory for the DMA packets */
- hwdata->plist.num = hwdata->macroblocks * 4 + 1;
- hwdata->plist.packet = (struct ps2_packet *)SDL_malloc(
- hwdata->plist.num*sizeof(struct ps2_packet));
- if ( ! hwdata->plist.packet ) {
- SDL_FreeYUVOverlay(overlay);
- SDL_OutOfMemory();
- return(NULL);
- }
- pnum = 0;
- packet = hwdata->plist.packet;
-
- /* Set up the tags to send the image to the screen */
- tags = (unsigned long long *)hwdata->dma_tags;
- base = hwdata->ipu_omem;
- fbp = screen_image.fbp;
- fbw = screen_image.fbw;
- psm = screen_image.psm;
- y = screen_image.y + screen_image.h; /* Offscreen video memory */
- for ( h=height/16; h; --h ) {
- x = 0; /* Visible video memory */
- for ( w=width/16; w; --w ) {
- /* The head tag */
- packet[pnum].ptr = &tags[0];
- packet[pnum].len = 10 * sizeof(*tags);
- ++pnum;
- tags[0] = 4 | (1LL << 60); /* GIFtag */
- tags[1] = 0x0e; /* A+D */
- tags[2] = ((unsigned long long)fbp << 32) |
- ((unsigned long long)fbw << 48) |
- ((unsigned long long)psm << 56);
- tags[3] = PS2_GS_BITBLTBUF;
- tags[4] = ((unsigned long long)x << 32) |
- ((unsigned long long)y << 48);
- tags[5] = PS2_GS_TRXPOS;
- tags[6] = (unsigned long long)16 |
- ((unsigned long long)16 << 32);
- tags[7] = PS2_GS_TRXREG;
- tags[8] = 0;
- tags[9] = PS2_GS_TRXDIR;
- /* Now the actual image data */
- packet[pnum].ptr = &tags[10];
- packet[pnum].len = 2 * sizeof(*tags);
- ++pnum;
- tags[10] = ((16*16*bpp) >> 4) | (2LL << 58);
- tags[11] = 0;
- packet[pnum].ptr = (void *)base;
- packet[pnum].len = 16 * 16 * bpp;
- ++pnum;
- packet[pnum].ptr = &tags[12];
- packet[pnum].len = 2 * sizeof(*tags);
- ++pnum;
- tags[12] = (0 >> 4) | (1 << 15) | (2LL << 58);
- tags[13] = 0;
-
- tags += 16;
- base += 16 * 16 * bpp;
-
- x += 16;
- }
- y += 16;
- }
-
- /* Set up the texture memory area for the video */
- tex_packet.ptr = tags;
- tex_packet.len = 8 * sizeof(*tags);
- tags[0] = 3 | (1LL << 60); /* GIFtag */
- tags[1] = 0x0e; /* A+D */
- tags[2] = ((screen_image.y + screen_image.h) * screen_image.w) / 64 +
- ((unsigned long long)fbw << 14) +
- ((unsigned long long)psm << 20) +
- ((unsigned long long)power_of_2(width) << 26) +
- ((unsigned long long)power_of_2(height) << 30) +
- ((unsigned long long)1 << 34) +
- ((unsigned long long)1 << 35);
- tags[3] = PS2_GS_TEX0_1;
- tags[4] = (1 << 5) + (1 << 6);
- tags[5] = PS2_GS_TEX1_1;
- tags[6] = 0;
- tags[7] = PS2_GS_TEXFLUSH;
- ioctl(console_fd, PS2IOC_SEND, &tex_packet);
-
- /* Set up the tags for scaling the image */
- packet[pnum].ptr = tags;
- packet[pnum].len = 12 * sizeof(*tags);
- ++pnum;
- tags[0] = 5 | (1LL << 60); /* GIFtag */
- tags[1] = 0x0e; /* A+D */
- tags[2] = 6 + (1 << 4) + (1 << 8);
- tags[3] = PS2_GS_PRIM;
- tags[4] = ((unsigned long long)0 * 16) +
- (((unsigned long long)0 * 16) << 16);
- tags[5] = PS2_GS_UV;
- tags[6] = 0; /* X1, Y1 */
- tags[7] = PS2_GS_XYZ2;
- hwdata->stretch_x1y1 = &tags[6];
- tags[8] = ((unsigned long long)overlay->w * 16) +
- (((unsigned long long)overlay->h * 16) << 16);
- tags[9] = PS2_GS_UV;
- tags[10] = 0; /* X2, Y2 */
- tags[11] = PS2_GS_XYZ2;
- hwdata->stretch_x2y2 = &tags[10];
-
- /* We're all done.. */
- return(overlay);
-}
-
-int GS_LockYUVOverlay(_THIS, SDL_Overlay *overlay)
-{
- return(0);
-}
-
-void GS_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay)
-{
- return;
-}
-
-int GS_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *src, SDL_Rect *dst)
-{
- struct private_yuvhwdata *hwdata;
- __u32 cmd;
- struct ps2_packet packet;
- int h, w, i;
- Uint32 *lum, *Cr, *Cb;
- int lum_pitch;
- int crb_pitch;
- Uint32 *lum_src, *Cr_src, *Cb_src;
- Uint32 *srcp, *dstp;
- unsigned int x, y;
- SDL_Surface *screen;
-
- /* Find out where the various portions of the image are */
- hwdata = overlay->hwdata;
- switch (overlay->format) {
- case SDL_YV12_OVERLAY:
- lum = (Uint32 *)overlay->pixels[0];
- Cr = (Uint32 *)overlay->pixels[1];
- Cb = (Uint32 *)overlay->pixels[2];
- break;
- case SDL_IYUV_OVERLAY:
- lum = (Uint32 *)overlay->pixels[0];
- Cr = (Uint32 *)overlay->pixels[2];
- Cb = (Uint32 *)overlay->pixels[1];
- default:
- SDL_SetError("Unsupported YUV format in blit (?)");
- return(-1);
- }
- dstp = (Uint32 *)hwdata->ipu_imem;
- lum_pitch = overlay->w/4;
- crb_pitch = (overlay->w/2)/4;
-
- /* Copy blocks of 16x16 pixels to the DMA area */
- for ( h=overlay->h/16; h; --h ) {
- lum_src = lum;
- Cr_src = Cr;
- Cb_src = Cb;
- for ( w=overlay->w/16; w; --w ) {
- srcp = lum_src;
- for ( i=0; i<16; ++i ) {
- dstp[0] = srcp[0];
- dstp[1] = srcp[1];
- dstp[2] = srcp[2];
- dstp[3] = srcp[3];
- srcp += lum_pitch;
- dstp += 4;
- }
- srcp = Cb_src;
- for ( i=0; i<8; ++i ) {
- dstp[0] = srcp[0];
- dstp[1] = srcp[1];
- srcp += crb_pitch;
- dstp += 2;
- }
- srcp = Cr_src;
- for ( i=0; i<8; ++i ) {
- dstp[0] = srcp[0];
- dstp[1] = srcp[1];
- srcp += crb_pitch;
- dstp += 2;
- }
- lum_src += 16 / 4;
- Cb_src += 8 / 4;
- Cr_src += 8 / 4;
- }
- lum += lum_pitch * 16;
- Cr += crb_pitch * 8;
- Cb += crb_pitch * 8;
- }
-
- /* Send the macroblock data to the IPU */
-#ifdef DEBUG_YUV
- fprintf(stderr, "Sending data to IPU..\n");
-#endif
- packet.ptr = hwdata->ipu_imem;
- packet.len = hwdata->macroblocks * (16 * 16 + 8 * 8 + 8 * 8);
- ioctl(hwdata->ipu_fd, PS2IOC_SENDA, &packet);
-
- /* Trigger the DMA to the IPU for conversion */
-#ifdef DEBUG_YUV
- fprintf(stderr, "Trigging conversion command\n");
-#endif
- cmd = (7 << 28) + hwdata->macroblocks;
- if ( screen_image.psm == PS2_GS_PSMCT16 ) {
- cmd += (1 << 27) + /* Output RGB 555 */
- (1 << 26); /* Dither output */
- }
- ioctl(hwdata->ipu_fd, PS2IOC_SIPUCMD, &cmd);
-
- /* Retrieve the converted image from the IPU */
-#ifdef DEBUG_YUV
- fprintf(stderr, "Retrieving data from IPU..\n");
-#endif
- packet.ptr = hwdata->ipu_omem;
- packet.len = overlay->w * overlay->h *
- this->screen->format->BytesPerPixel;
- ioctl(hwdata->ipu_fd, PS2IOC_RECV, &packet);
-
-#ifdef DEBUG_YUV
- fprintf(stderr, "Copying image to screen..\n");
-#endif
- /* Wait for previous DMA to complete */
- ioctl(console_fd, PS2IOC_SENDQCT, 1);
-
- /* Send the current image to the screen and scale it */
- screen = this->screen;
- x = (unsigned int)dst->x;
- y = (unsigned int)dst->y;
- if ( screen->offset ) {
- x += (screen->offset % screen->pitch) /
- screen->format->BytesPerPixel;
- y += (screen->offset / screen->pitch);
- }
- y += screen_image.y;
- *hwdata->stretch_x1y1 = (x * 16) + ((y * 16) << 16);
- x += (unsigned int)dst->w;
- y += (unsigned int)dst->h;
- *hwdata->stretch_x2y2 = (x * 16) + ((y * 16) << 16);
- return ioctl(console_fd, PS2IOC_SENDL, &hwdata->plist);
-}
-
-void GS_FreeYUVOverlay(_THIS, SDL_Overlay *overlay)
-{
- struct private_yuvhwdata *hwdata;
-
- hwdata = overlay->hwdata;
- if ( hwdata ) {
- if ( hwdata->ipu_fd >= 0 ) {
- close(hwdata->ipu_fd);
- }
- if ( hwdata->dma_mem ) {
- munmap(hwdata->dma_mem, hwdata->dma_len);
- }
- if ( hwdata->plist.packet ) {
- SDL_free(hwdata->plist.packet);
- }
- if ( hwdata->pixels ) {
- SDL_free(hwdata->pixels);
- }
- SDL_free(hwdata);
- }
-}
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