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-rw-r--r--src/gallium/state_trackers/va/va_surface.c167
1 files changed, 167 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/va/va_surface.c b/src/gallium/state_trackers/va/va_surface.c
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+++ b/src/gallium/state_trackers/va/va_surface.c
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+/**************************************************************************
+ *
+ * Copyright 2010 Thomas Balling Sørensen & Orasanu Lucian.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <va/va.h>
+#include <va/va_backend.h>
+#include <util/u_debug.h>
+#include <util/u_memory.h>
+#include "va_private.h"
+
+boolean vlCreateHTAB(void);
+void vlDestroyHTAB(void);
+vlHandle vlAddDataHTAB(void *data);
+void* vlGetDataHTAB(vlHandle handle);
+
+static enum pipe_video_chroma_format VaRTFormatToPipe(unsigned int va_type)
+{
+ switch (va_type) {
+ case VA_RT_FORMAT_YUV420:
+ return PIPE_VIDEO_CHROMA_FORMAT_420;
+ case VA_RT_FORMAT_YUV422:
+ return PIPE_VIDEO_CHROMA_FORMAT_422;
+ case VA_RT_FORMAT_YUV444:
+ return PIPE_VIDEO_CHROMA_FORMAT_444;
+ default:
+ assert(0);
+ }
+
+ return -1;
+}
+
+VAStatus vlVaCreateSurfaces( VADriverContextP ctx,
+ int width,
+ int height,
+ int format,
+ int num_surfaces,
+ VASurfaceID *surfaces)
+{
+ if (!ctx)
+ return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+ /* We only support one format */
+ if (VA_RT_FORMAT_YUV420 != format)
+ return VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT;
+
+ if (!(width && height))
+ return VA_STATUS_ERROR_INVALID_IMAGE_FORMAT;
+
+ if (!vlCreateHTAB())
+ return VA_STATUS_ERROR_UNKNOWN;
+
+ vlVaSurfacePriv *va_surface = (vlVaSurfacePriv *)CALLOC(num_surfaces,sizeof(vlVaSurfacePriv));
+ if (!va_surface)
+ return VA_STATUS_ERROR_ALLOCATION_FAILED;
+
+ int n = 0;
+ for (n = 0; n < num_surfaces; n++)
+ {
+ va_surface[n].width = width;
+ va_surface[n].height = height;
+ va_surface[n].format = VaRTFormatToPipe(format);
+ va_surface[n].ctx = ctx;
+ surfaces[n] = (VASurfaceID *)vlAddDataHTAB((void *)(va_surface + n));
+ }
+
+ return VA_STATUS_SUCCESS;
+}
+
+VAStatus vlVaDestroySurfaces( VADriverContextP ctx,
+ VASurfaceID *surface_list,
+ int num_surfaces)
+{
+ if (!ctx)
+ return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus vlVaSyncSurface( VADriverContextP ctx,
+ VASurfaceID render_target)
+{
+ if (!ctx)
+ return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus vlVaQuerySurfaceStatus( VADriverContextP ctx,
+ VASurfaceID render_target,
+ VASurfaceStatus *status)
+{
+ if (!ctx)
+ return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus vlVaPutSurface( VADriverContextP ctx,
+ VASurfaceID surface,
+ void* draw,
+ short srcx,
+ short srcy,
+ unsigned short srcw,
+ unsigned short srch,
+ short destx,
+ short desty,
+ unsigned short destw,
+ unsigned short desth,
+ VARectangle *cliprects,
+ unsigned int number_cliprects,
+ unsigned int flags)
+{
+ if (!ctx)
+ return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus vlVaLockSurface( VADriverContextP ctx,
+ VASurfaceID surface,
+ unsigned int *fourcc,
+ unsigned int *luma_stride,
+ unsigned int *chroma_u_stride,
+ unsigned int *chroma_v_stride,
+ unsigned int *luma_offset,
+ unsigned int *chroma_u_offset,
+ unsigned int *chroma_v_offset,
+ unsigned int *buffer_name,
+ void **buffer)
+{
+ if (!ctx)
+ return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus vlVaUnlockSurface( VADriverContextP ctx,
+ VASurfaceID surface)
+{
+ if (!ctx)
+ return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+}