| /* |
| * SDL - Simple DirectMedia Layer |
| * CELL BE Support for PS3 Framebuffer |
| * Copyright (C) 2008, 2009 International Business Machines Corporation |
| * |
| * 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 |
| * |
| * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com> |
| * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com> |
| * SPE code based on research by: |
| * Rene Becker |
| * Thimo Emmerich |
| */ |
| |
| #include "SDL_config.h" |
| |
| #include "SDL_video.h" |
| #include "SDL_ps3video.h" |
| #include "SDL_ps3yuv_c.h" |
| #include "../SDL_yuvfuncs.h" |
| #include "spulibs/spu_common.h" |
| |
| /* Stores the executable name */ |
| extern spe_program_handle_t yuv2rgb_spu; |
| extern spe_program_handle_t bilin_scaler_spu; |
| |
| int SPE_Start(_THIS, spu_data_t * spe_data); |
| int SPE_Stop(_THIS, spu_data_t * spe_data); |
| int SPE_Boot(_THIS, spu_data_t * spe_data); |
| int SPE_Shutdown(_THIS, spu_data_t * spe_data); |
| int SPE_SendMsg(_THIS, spu_data_t * spe_data, unsigned int msg); |
| int SPE_WaitForMsg(_THIS, spu_data_t * spe_data, unsigned int msg); |
| void SPE_RunContext(void *thread_argp); |
| |
| |
| /* The functions used to manipulate software video overlays */ |
| static struct private_yuvhwfuncs ps3_yuvfuncs = { |
| PS3_LockYUVOverlay, |
| PS3_UnlockYUVOverlay, |
| PS3_DisplayYUVOverlay, |
| PS3_FreeYUVOverlay |
| }; |
| |
| |
| struct private_yuvhwdata { |
| SDL_Surface *display; |
| SDL_Surface *stretch; |
| volatile void * pixels __attribute__((aligned(128))); |
| |
| /* These are just so we don't have to allocate them separately */ |
| Uint16 pitches[3]; |
| Uint8 * planes[3]; |
| |
| unsigned int scale; |
| |
| /* Scaled YUV picture */ |
| Uint8 * scaler_out __attribute__((aligned(128))); |
| |
| /* YUV2RGB converter data */ |
| volatile struct yuv2rgb_parms_t * converter_parms __attribute__((aligned(128))); |
| |
| /* Scaler data */ |
| volatile struct scale_parms_t * scaler_parms __attribute__((aligned(128))); |
| |
| Uint8 locked; |
| }; |
| |
| |
| SDL_Overlay *PS3_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display) { |
| /* Only RGB packed pixel conversion supported */ |
| if ((display->format->BytesPerPixel != 2) && |
| (display->format->BytesPerPixel != 3) && |
| (display->format->BytesPerPixel != 4)) |
| { |
| SDL_SetError ("Can't use YUV data on non 16/24/32 bit surfaces"); |
| return NULL; |
| } |
| |
| /* Double-check the requested format. We'll only support YV12 */ |
| switch (format) { |
| case SDL_IYUV_OVERLAY: |
| case SDL_YV12_OVERLAY: |
| /* Supported YUV format */ |
| break; |
| default: |
| SDL_SetError("Unsupported YUV format"); |
| return NULL; |
| } |
| |
| SDL_Overlay* overlay; |
| struct private_yuvhwdata* hwdata; |
| |
| /* Create the overlay structure */ |
| overlay = (SDL_Overlay *) SDL_calloc(1, sizeof(SDL_Overlay)); |
| if (overlay == NULL) { |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| SDL_memset(overlay, 0, (sizeof *overlay)); |
| |
| /* Set the basic attributes */ |
| overlay->format = format; |
| overlay->w = width; |
| overlay->h = height; |
| overlay->hwdata = NULL; |
| |
| /* Set up the PS3 YUV surface function structure */ |
| overlay->hwfuncs = &ps3_yuvfuncs; |
| |
| /* Create the pixel data and lookup tables */ |
| hwdata = (struct private_yuvhwdata *) SDL_calloc(1, sizeof(struct private_yuvhwdata)); |
| if (hwdata == NULL) { |
| SDL_OutOfMemory(); |
| SDL_FreeYUVOverlay(overlay); |
| return NULL; |
| } |
| overlay->hwdata = hwdata; |
| |
| hwdata->stretch = NULL; |
| hwdata->display = display; |
| |
| /* Create SPU parms structure */ |
| hwdata->converter_parms = (struct yuv2rgb_parms_t *) memalign(16, sizeof(struct yuv2rgb_parms_t)); |
| hwdata->scaler_parms = (struct scale_parms_t *) memalign(16, sizeof(struct scale_parms_t)); |
| if (hwdata->converter_parms == NULL || hwdata->scaler_parms == NULL) { |
| SDL_FreeYUVOverlay(overlay); |
| SDL_OutOfMemory(); |
| return(NULL); |
| } |
| |
| /* Set up the SPEs */ |
| scaler_thread_data = (spu_data_t *) malloc(sizeof(spu_data_t)); |
| converter_thread_data = (spu_data_t *) malloc(sizeof(spu_data_t)); |
| if (converter_thread_data == NULL || scaler_thread_data == NULL) { |
| SDL_FreeYUVOverlay(overlay); |
| SDL_OutOfMemory(); |
| return(NULL); |
| } |
| |
| scaler_thread_data->program = bilin_scaler_spu; |
| scaler_thread_data->program_name = "bilin_scaler_spu"; |
| scaler_thread_data->keepalive = 0; |
| scaler_thread_data->booted = 0; |
| |
| converter_thread_data->program = yuv2rgb_spu; |
| converter_thread_data->program_name = "yuv2rgb_spu"; |
| converter_thread_data->keepalive = 1; |
| converter_thread_data->booted = 0; |
| |
| SPE_Start(this, converter_thread_data); |
| |
| hwdata->pixels = (Uint8 *) memalign(16, width * height + ((width * height) >> 1)); |
| if (hwdata->pixels == NULL) { |
| SDL_FreeYUVOverlay(overlay); |
| SDL_OutOfMemory(); |
| return(NULL); |
| } |
| |
| /* 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] = (Uint8 *)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; |
| } |
| |
| /* We're all done.. */ |
| return overlay; |
| } |
| |
| |
| int PS3_LockYUVOverlay(_THIS, SDL_Overlay *overlay) { |
| if (overlay == NULL) { |
| return -1; |
| } |
| overlay->hwdata->locked = 1; |
| |
| return 0; |
| } |
| |
| |
| void PS3_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay) { |
| if (overlay == NULL) { |
| return; |
| } |
| overlay->hwdata->locked = 0; |
| |
| return; |
| } |
| |
| |
| int PS3_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *src, SDL_Rect *dst) { |
| if ((overlay == NULL) || (overlay->hwdata == NULL)) { |
| return -1; |
| } |
| |
| Uint8 *lum, *Cr, *Cb; |
| struct private_yuvhwdata *hwdata; |
| SDL_Surface *display; |
| |
| hwdata = overlay->hwdata; |
| display = hwdata->display; |
| |
| /* Do we have to scale? */ |
| if ((src->w != dst->w) || (src->h != dst->h) ) { |
| hwdata->scale = 1; |
| deprintf(1, "[PS3] We need to scale\n"); |
| } else { |
| hwdata->scale = 0; |
| deprintf(1, "[PS3] No scaling\n"); |
| } |
| |
| /* Find out where the various portions of the image are */ |
| switch (overlay->format) { |
| case SDL_YV12_OVERLAY: |
| lum = (Uint8 *)overlay->pixels[0]; |
| Cr = (Uint8 *)overlay->pixels[1]; |
| Cb = (Uint8 *)overlay->pixels[2]; |
| break; |
| case SDL_IYUV_OVERLAY: |
| lum = (Uint8 *)overlay->pixels[0]; |
| Cr = (Uint8 *)overlay->pixels[2]; |
| Cb = (Uint8 *)overlay->pixels[1]; |
| break; |
| default: |
| SDL_SetError("Unsupported YUV format in blit"); |
| return -1; |
| } |
| |
| if (hwdata->scale) { |
| /* Alloc mem for scaled YUV picture */ |
| hwdata->scaler_out = (Uint8 *) memalign(16, dst->w * dst->h + ((dst->w * dst->h) >> 1)); |
| if (hwdata->scaler_out == NULL) { |
| SDL_FreeYUVOverlay(overlay); |
| SDL_OutOfMemory(); |
| return -1; |
| } |
| |
| /* Set parms for scaling */ |
| hwdata->scaler_parms->src_pixel_width = src->w; |
| hwdata->scaler_parms->src_pixel_height = src->h; |
| hwdata->scaler_parms->dst_pixel_width = dst->w; |
| hwdata->scaler_parms->dst_pixel_height = dst->h; |
| hwdata->scaler_parms->y_plane = lum; |
| hwdata->scaler_parms->v_plane = Cr; |
| hwdata->scaler_parms->u_plane = Cb; |
| hwdata->scaler_parms->dstBuffer = hwdata->scaler_out; |
| scaler_thread_data->argp = (void *)hwdata->scaler_parms; |
| |
| /* Scale the YUV overlay to given size */ |
| SPE_Start(this, scaler_thread_data); |
| SPE_Stop(this, scaler_thread_data); |
| |
| /* Set parms for converting after scaling */ |
| hwdata->converter_parms->y_plane = hwdata->scaler_out; |
| hwdata->converter_parms->v_plane = hwdata->scaler_out + dst->w * dst->h; |
| hwdata->converter_parms->u_plane = hwdata->scaler_out + dst->w * dst->h + ((dst->w * dst->h) >> 2); |
| } else { |
| /* Set parms for converting */ |
| hwdata->converter_parms->y_plane = lum; |
| hwdata->converter_parms->v_plane = Cr; |
| hwdata->converter_parms->u_plane = Cb; |
| } |
| |
| hwdata->converter_parms->src_pixel_width = dst->w; |
| hwdata->converter_parms->src_pixel_height = dst->h; |
| hwdata->converter_parms->dstBuffer = (Uint8 *) s_pixels; |
| converter_thread_data->argp = (void *)hwdata->converter_parms; |
| |
| /* Convert YUV overlay to RGB */ |
| SPE_SendMsg(this, converter_thread_data, SPU_START); |
| SPE_SendMsg(this, converter_thread_data, (unsigned int)converter_thread_data->argp); |
| |
| /* Centering */ |
| s_bounded_input_width = dst->w; |
| s_bounded_input_height = dst->h; |
| |
| /* UpdateRects() will do the rest.. */ |
| SDL_UpdateRects(display, 1, dst); |
| |
| if (hwdata->scale) |
| SDL_free((void *)hwdata->scaler_out); |
| |
| return 0; |
| } |
| |
| |
| void PS3_FreeYUVOverlay(_THIS, SDL_Overlay *overlay) { |
| if (overlay == NULL) { |
| return; |
| } |
| |
| if (overlay->hwdata == NULL) { |
| return; |
| } |
| |
| struct private_yuvhwdata * hwdata; |
| hwdata = overlay->hwdata; |
| |
| if (scaler_thread_data) |
| SDL_free(scaler_thread_data); |
| if (converter_thread_data) { |
| SPE_Shutdown(this, converter_thread_data); |
| SDL_free(converter_thread_data); |
| } |
| |
| if (hwdata) { |
| if (hwdata->pixels) |
| SDL_free((void *)hwdata->pixels); |
| SDL_free(hwdata); |
| } |
| return; |
| } |
| |