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Diffstat (limited to 'apps/plugins/sdl/src/video/ps3/SDL_ps3yuv.c')
-rw-r--r--apps/plugins/sdl/src/video/ps3/SDL_ps3yuv.c340
1 files changed, 340 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/ps3/SDL_ps3yuv.c b/apps/plugins/sdl/src/video/ps3/SDL_ps3yuv.c
new file mode 100644
index 0000000000..b1e17dae6d
--- /dev/null
+++ b/apps/plugins/sdl/src/video/ps3/SDL_ps3yuv.c
@@ -0,0 +1,340 @@
+/*
+ * 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;
+}
+