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/**************************************************************************

 *

 * Copyright 2010 Thomas Balling Sørensen.

 * Copyright 2011 Christian König.

 * 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 VMWARE 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 

#include "util/u_debug.h"

#include "util/u_memory.h"

#include "util/u_sampler.h"

#include "util/u_format.h"

#include "util/u_surface.h"

#include "vl/vl_csc.h"

#include "vdpau_private.h"

/**

 * Create a VdpOutputSurface.

 */

VdpStatus

vlVdpOutputSurfaceCreate(VdpDevice device,

                         VdpRGBAFormat rgba_format,

                         uint32_t width, uint32_t height,

                         VdpOutputSurface  *surface)

{

   struct pipe_context *pipe;

   struct pipe_resource res_tmpl, *res;

   struct pipe_sampler_view sv_templ;

   struct pipe_surface surf_templ;

   vlVdpOutputSurface *vlsurface = NULL;

   if (!(width && height))

      return VDP_STATUS_INVALID_SIZE;

   vlVdpDevice *dev = vlGetDataHTAB(device);

   if (!dev)

      return VDP_STATUS_INVALID_HANDLE;

   pipe = dev->context;

   if (!pipe)

      return VDP_STATUS_INVALID_HANDLE;

   vlsurface = CALLOC(1, sizeof(vlVdpOutputSurface));

   if (!vlsurface)

      return VDP_STATUS_RESOURCES;

   DeviceReference(&vlsurface->device, dev);

   memset(&res_tmpl, 0, sizeof(res_tmpl));

   res_tmpl.target = PIPE_TEXTURE_2D;

   res_tmpl.format = FormatRGBAToPipe(rgba_format);

   res_tmpl.width0 = width;

   res_tmpl.height0 = height;

   res_tmpl.depth0 = 1;

   res_tmpl.array_size = 1;

   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;

   res_tmpl.usage = PIPE_USAGE_DEFAULT;

   pipe_mutex_lock(dev->mutex);

   if (!CheckSurfaceParams(pipe->screen, &res_tmpl))

      goto err_unlock;

   res = pipe->screen->resource_create(pipe->screen, &res_tmpl);

   if (!res)

      goto err_unlock;

   vlVdpDefaultSamplerViewTemplate(&sv_templ, res);

   vlsurface->sampler_view = pipe->create_sampler_view(pipe, res, &sv_templ);

   if (!vlsurface->sampler_view)

      goto err_resource;

   memset(&surf_templ, 0, sizeof(surf_templ));

   surf_templ.format = res->format;

   vlsurface->surface = pipe->create_surface(pipe, res, &surf_templ);

   if (!vlsurface->surface)

      goto err_resource;

   *surface = vlAddDataHTAB(vlsurface);

   if (*surface == 0)

      goto err_resource;

   pipe_resource_reference(&res, NULL);

   vl_compositor_init_state(&vlsurface->cstate, pipe);

   vl_compositor_reset_dirty_area(&vlsurface->dirty_area);

   pipe_mutex_unlock(dev->mutex);

   return VDP_STATUS_OK;

err_resource:

   pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);

   pipe_surface_reference(&vlsurface->surface, NULL);

   pipe_resource_reference(&res, NULL);

err_unlock:

   pipe_mutex_unlock(dev->mutex);

   DeviceReference(&vlsurface->device, NULL);

   FREE(vlsurface);

   return VDP_STATUS_ERROR;

}

/**

 * Destroy a VdpOutputSurface.

 */

VdpStatus

vlVdpOutputSurfaceDestroy(VdpOutputSurface surface)

{

   vlVdpOutputSurface *vlsurface;

   struct pipe_context *pipe;

   vlsurface = vlGetDataHTAB(surface);

   if (!vlsurface)

      return VDP_STATUS_INVALID_HANDLE;

   pipe = vlsurface->device->context;

   pipe_mutex_lock(vlsurface->device->mutex);

   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);

   pipe_surface_reference(&vlsurface->surface, NULL);

   pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);

   pipe->screen->fence_reference(pipe->screen, &vlsurface->fence, NULL);

   vl_compositor_cleanup_state(&vlsurface->cstate);

   pipe_mutex_unlock(vlsurface->device->mutex);

   vlRemoveDataHTAB(surface);

   DeviceReference(&vlsurface->device, NULL);

   FREE(vlsurface);

   return VDP_STATUS_OK;

}

/**

 * Retrieve the parameters used to create a VdpOutputSurface.

 */

VdpStatus

vlVdpOutputSurfaceGetParameters(VdpOutputSurface surface,

                                VdpRGBAFormat *rgba_format,

                                uint32_t *width, uint32_t *height)

{

   vlVdpOutputSurface *vlsurface;

   vlsurface = vlGetDataHTAB(surface);

   if (!vlsurface)

      return VDP_STATUS_INVALID_HANDLE;

   *rgba_format = PipeToFormatRGBA(vlsurface->sampler_view->texture->format);

   *width = vlsurface->sampler_view->texture->width0;

   *height = vlsurface->sampler_view->texture->height0;

   return VDP_STATUS_OK;

}

/**

 * Copy image data from a VdpOutputSurface to application memory in the

 * surface's native format.

 */

VdpStatus

vlVdpOutputSurfaceGetBitsNative(VdpOutputSurface surface,

                                VdpRect const *source_rect,

                                void *const *destination_data,

                                uint32_t const *destination_pitches)

{

   vlVdpOutputSurface *vlsurface;

   struct pipe_context *pipe;

   struct pipe_resource *res;

   struct pipe_box box;

   struct pipe_transfer *transfer;

   uint8_t *map;

   vlsurface = vlGetDataHTAB(surface);

   if (!vlsurface)

      return VDP_STATUS_INVALID_HANDLE;

   pipe = vlsurface->device->context;

   if (!pipe)

      return VDP_STATUS_INVALID_HANDLE;

   pipe_mutex_lock(vlsurface->device->mutex);

   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);

   res = vlsurface->sampler_view->texture;

   box = RectToPipeBox(source_rect, res);

   map = pipe->transfer_map(pipe, res, 0, PIPE_TRANSFER_READ, &box, &transfer);

   if (!map) {

      pipe_mutex_unlock(vlsurface->device->mutex);

      return VDP_STATUS_RESOURCES;

   }

   util_copy_rect(*destination_data, res->format, *destination_pitches, 0, 0,

                  box.width, box.height, map, transfer->stride, 0, 0);

   pipe_transfer_unmap(pipe, transfer);

   pipe_mutex_unlock(vlsurface->device->mutex);

   return VDP_STATUS_OK;

}

/**

 * Copy image data from application memory in the surface's native format to

 * a VdpOutputSurface.

 */

VdpStatus

vlVdpOutputSurfacePutBitsNative(VdpOutputSurface surface,

                                void const *const *source_data,

                                uint32_t const *source_pitches,

                                VdpRect const *destination_rect)

{

   vlVdpOutputSurface *vlsurface;

   struct pipe_box dst_box;

   struct pipe_context *pipe;

   vlsurface = vlGetDataHTAB(surface);

   if (!vlsurface)

      return VDP_STATUS_INVALID_HANDLE;

   pipe = vlsurface->device->context;

   if (!pipe)

      return VDP_STATUS_INVALID_HANDLE;

   pipe_mutex_lock(vlsurface->device->mutex);

   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);

   dst_box = RectToPipeBox(destination_rect, vlsurface->sampler_view->texture);

   pipe->transfer_inline_write(pipe, vlsurface->sampler_view->texture, 0,

                               PIPE_TRANSFER_WRITE, &dst_box, *source_data,

                               *source_pitches, 0);

   pipe_mutex_unlock(vlsurface->device->mutex);

   return VDP_STATUS_OK;

}

/**

 * Copy image data from application memory in a specific indexed format to

 * a VdpOutputSurface.

 */

VdpStatus

vlVdpOutputSurfacePutBitsIndexed(VdpOutputSurface surface,

                                 VdpIndexedFormat source_indexed_format,

                                 void const *const *source_data,

                                 uint32_t const *source_pitch,

                                 VdpRect const *destination_rect,

                                 VdpColorTableFormat color_table_format,

                                 void const *color_table)

{

   vlVdpOutputSurface *vlsurface;

   struct pipe_context *context;

   struct vl_compositor *compositor;

   struct vl_compositor_state *cstate;

   enum pipe_format index_format;

   enum pipe_format colortbl_format;

   struct pipe_resource *res, res_tmpl;

   struct pipe_sampler_view sv_tmpl;

   struct pipe_sampler_view *sv_idx = NULL, *sv_tbl = NULL;

   struct pipe_box box;

   struct u_rect dst_rect;

   vlsurface = vlGetDataHTAB(surface);

   if (!vlsurface)

      return VDP_STATUS_INVALID_HANDLE;

   context = vlsurface->device->context;

   compositor = &vlsurface->device->compositor;

   cstate = &vlsurface->cstate;

   index_format = FormatIndexedToPipe(source_indexed_format);

   if (index_format == PIPE_FORMAT_NONE)

       return VDP_STATUS_INVALID_INDEXED_FORMAT;

   if (!source_data || !source_pitch)

       return VDP_STATUS_INVALID_POINTER;

   colortbl_format = FormatColorTableToPipe(color_table_format);

   if (colortbl_format == PIPE_FORMAT_NONE)

       return VDP_STATUS_INVALID_COLOR_TABLE_FORMAT;

   if (!color_table)

       return VDP_STATUS_INVALID_POINTER;

   memset(&res_tmpl, 0, sizeof(res_tmpl));

   res_tmpl.target = PIPE_TEXTURE_2D;

   res_tmpl.format = index_format;

   if (destination_rect) {

      res_tmpl.width0 = abs(destination_rect->x0-destination_rect->x1);

      res_tmpl.height0 = abs(destination_rect->y0-destination_rect->y1);

   } else {

      res_tmpl.width0 = vlsurface->surface->texture->width0;

      res_tmpl.height0 = vlsurface->surface->texture->height0;

   }

   res_tmpl.depth0 = 1;

   res_tmpl.array_size = 1;

   res_tmpl.usage = PIPE_USAGE_STAGING;

   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;

   pipe_mutex_lock(vlsurface->device->mutex);

   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);

   if (!CheckSurfaceParams(context->screen, &res_tmpl))

      goto error_resource;

   res = context->screen->resource_create(context->screen, &res_tmpl);

   if (!res)

      goto error_resource;

   box.x = box.y = box.z = 0;

   box.width = res->width0;

   box.height = res->height0;

   box.depth = res->depth0;

   context->transfer_inline_write(context, res, 0, PIPE_TRANSFER_WRITE, &box,

                                  source_data[0], source_pitch[0],

                                  source_pitch[0] * res->height0);

   memset(&sv_tmpl, 0, sizeof(sv_tmpl));

   u_sampler_view_default_template(&sv_tmpl, res, res->format);

   sv_idx = context->create_sampler_view(context, res, &sv_tmpl);

   pipe_resource_reference(&res, NULL);

   if (!sv_idx)

      goto error_resource;

   memset(&res_tmpl, 0, sizeof(res_tmpl));

   res_tmpl.target = PIPE_TEXTURE_1D;

   res_tmpl.format = colortbl_format;

   res_tmpl.width0 = 1 << util_format_get_component_bits(

      index_format, UTIL_FORMAT_COLORSPACE_RGB, 0);

   res_tmpl.height0 = 1;

   res_tmpl.depth0 = 1;

   res_tmpl.array_size = 1;

   res_tmpl.usage = PIPE_USAGE_STAGING;

   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;

   res = context->screen->resource_create(context->screen, &res_tmpl);

   if (!res)

      goto error_resource;

   box.x = box.y = box.z = 0;

   box.width = res->width0;

   box.height = res->height0;

   box.depth = res->depth0;

   context->transfer_inline_write(context, res, 0, PIPE_TRANSFER_WRITE, &box, color_table,

                                  util_format_get_stride(colortbl_format, res->width0), 0);

   memset(&sv_tmpl, 0, sizeof(sv_tmpl));

   u_sampler_view_default_template(&sv_tmpl, res, res->format);

   sv_tbl = context->create_sampler_view(context, res, &sv_tmpl);

   pipe_resource_reference(&res, NULL);

   if (!sv_tbl)

      goto error_resource;

   vl_compositor_clear_layers(cstate);

   vl_compositor_set_palette_layer(cstate, compositor, 0, sv_idx, sv_tbl, NULL, NULL, false);

   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));

   vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);

   pipe_sampler_view_reference(&sv_idx, NULL);

   pipe_sampler_view_reference(&sv_tbl, NULL);

   pipe_mutex_unlock(vlsurface->device->mutex);

   return VDP_STATUS_OK;

error_resource:

   pipe_sampler_view_reference(&sv_idx, NULL);

   pipe_sampler_view_reference(&sv_tbl, NULL);

   pipe_mutex_unlock(vlsurface->device->mutex);

   return VDP_STATUS_RESOURCES;

}

/**

 * Copy image data from application memory in a specific YCbCr format to

 * a VdpOutputSurface.

 */

VdpStatus

vlVdpOutputSurfacePutBitsYCbCr(VdpOutputSurface surface,

                               VdpYCbCrFormat source_ycbcr_format,

                               void const *const *source_data,

                               uint32_t const *source_pitches,

                               VdpRect const *destination_rect,

                               VdpCSCMatrix const *csc_matrix)

{

   vlVdpOutputSurface *vlsurface;

   struct vl_compositor *compositor;

   struct vl_compositor_state *cstate;

   struct pipe_context *pipe;

   enum pipe_format format;

   struct pipe_video_buffer vtmpl, *vbuffer;

   struct u_rect dst_rect;

   struct pipe_sampler_view **sampler_views;

   unsigned i;

   vlsurface = vlGetDataHTAB(surface);

   if (!vlsurface)

      return VDP_STATUS_INVALID_HANDLE;

   pipe = vlsurface->device->context;

   compositor = &vlsurface->device->compositor;

   cstate = &vlsurface->cstate;

   format = FormatYCBCRToPipe(source_ycbcr_format);

   if (format == PIPE_FORMAT_NONE)

       return VDP_STATUS_INVALID_Y_CB_CR_FORMAT;

   if (!source_data || !source_pitches)

       return VDP_STATUS_INVALID_POINTER;

   pipe_mutex_lock(vlsurface->device->mutex);

   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);

   memset(&vtmpl, 0, sizeof(vtmpl));

   vtmpl.buffer_format = format;

   vtmpl.chroma_format = FormatYCBCRToPipeChroma(source_ycbcr_format);

   if (destination_rect) {

      vtmpl.width = abs(destination_rect->x0-destination_rect->x1);

      vtmpl.height = abs(destination_rect->y0-destination_rect->y1);

   } else {

      vtmpl.width = vlsurface->surface->texture->width0;

      vtmpl.height = vlsurface->surface->texture->height0;

   }

   vbuffer = pipe->create_video_buffer(pipe, &vtmpl);

   if (!vbuffer) {

      pipe_mutex_unlock(vlsurface->device->mutex);

      return VDP_STATUS_RESOURCES;

   }

   sampler_views = vbuffer->get_sampler_view_planes(vbuffer);

   if (!sampler_views) {

      vbuffer->destroy(vbuffer);

      pipe_mutex_unlock(vlsurface->device->mutex);

      return VDP_STATUS_RESOURCES;

   }

   for (i = 0; i < 3; ++i) {

      struct pipe_sampler_view *sv = sampler_views[i];

      if (!sv) continue;

      struct pipe_box dst_box = {

         0, 0, 0,

         sv->texture->width0, sv->texture->height0, 1

      };

      pipe->transfer_inline_write(pipe, sv->texture, 0, PIPE_TRANSFER_WRITE, &dst_box,

                                  source_data[i], source_pitches[i], 0);

   }

   if (!csc_matrix) {

      vl_csc_matrix csc;

      vl_csc_get_matrix(VL_CSC_COLOR_STANDARD_BT_601, NULL, 1, &csc);

      vl_compositor_set_csc_matrix(cstate, (const vl_csc_matrix*)&csc);

   } else {

      vl_compositor_set_csc_matrix(cstate, csc_matrix);

   }

   vl_compositor_clear_layers(cstate);

   vl_compositor_set_buffer_layer(cstate, compositor, 0, vbuffer, NULL, NULL, VL_COMPOSITOR_WEAVE);

   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));

   vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);

   vbuffer->destroy(vbuffer);

   pipe_mutex_unlock(vlsurface->device->mutex);

   return VDP_STATUS_OK;

}

static unsigned

BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)

{

   switch (factor) {

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ZERO:

      return PIPE_BLENDFACTOR_ZERO;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE:

      return PIPE_BLENDFACTOR_ONE;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_COLOR:

      return PIPE_BLENDFACTOR_SRC_COLOR;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_COLOR:

      return PIPE_BLENDFACTOR_INV_SRC_COLOR;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA:

      return PIPE_BLENDFACTOR_SRC_ALPHA;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA:

      return PIPE_BLENDFACTOR_INV_SRC_ALPHA;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_ALPHA:

      return PIPE_BLENDFACTOR_DST_ALPHA;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_ALPHA:

      return PIPE_BLENDFACTOR_INV_DST_ALPHA;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_COLOR:

      return PIPE_BLENDFACTOR_DST_COLOR;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_COLOR:

      return PIPE_BLENDFACTOR_INV_DST_COLOR;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA_SATURATE:

      return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_COLOR:

      return PIPE_BLENDFACTOR_CONST_COLOR;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR:

      return PIPE_BLENDFACTOR_INV_CONST_COLOR;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_ALPHA:

      return PIPE_BLENDFACTOR_CONST_ALPHA;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA:

      return PIPE_BLENDFACTOR_INV_CONST_ALPHA;

   default:

      assert(0);

      return PIPE_BLENDFACTOR_ONE;

   }

}

static unsigned

BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)

{

   switch (equation) {

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_SUBTRACT:

      return PIPE_BLEND_SUBTRACT;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_REVERSE_SUBTRACT:

      return PIPE_BLEND_REVERSE_SUBTRACT;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_ADD:

      return PIPE_BLEND_ADD;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MIN:

      return PIPE_BLEND_MIN;

   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MAX:

      return PIPE_BLEND_MAX;

   default:

      assert(0);

      return PIPE_BLEND_ADD;

   }

}

static void *

BlenderToPipe(struct pipe_context *context,

              VdpOutputSurfaceRenderBlendState const *blend_state)

{

   struct pipe_blend_state blend;

   memset(&blend, 0, sizeof blend);

   blend.independent_blend_enable = 0;

   if (blend_state) {

      blend.rt[0].blend_enable = 1;

      blend.rt[0].rgb_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_color);

      blend.rt[0].rgb_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_color);

      blend.rt[0].alpha_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_alpha);

      blend.rt[0].alpha_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_alpha);

      blend.rt[0].rgb_func = BlendEquationToPipe(blend_state->blend_equation_color);

      blend.rt[0].alpha_func = BlendEquationToPipe(blend_state->blend_equation_alpha);

   } else {

      blend.rt[0].blend_enable = 0;

   }

   blend.logicop_enable = 0;

   blend.logicop_func = PIPE_LOGICOP_CLEAR;

   blend.rt[0].colormask = PIPE_MASK_RGBA;

   blend.dither = 0;

   return context->create_blend_state(context, &blend);

}

static struct vertex4f *

ColorsToPipe(VdpColor const *colors, uint32_t flags, struct vertex4f result[4])

{

   unsigned i;

   struct vertex4f *dst = result;

   if (!colors)

      return NULL;

   for (i = 0; i < 4; ++i) {

      dst->x = colors->red;

      dst->y = colors->green;

      dst->z = colors->blue;

      dst->w = colors->alpha;

      ++dst;

      if (flags & VDP_OUTPUT_SURFACE_RENDER_COLOR_PER_VERTEX)

         ++colors;

   }

   return result;

}

/**

 * Composite a sub-rectangle of a VdpOutputSurface into a sub-rectangle of

 * another VdpOutputSurface; Output Surface object VdpOutputSurface.

 */

VdpStatus

vlVdpOutputSurfaceRenderOutputSurface(VdpOutputSurface destination_surface,

                                      VdpRect const *destination_rect,

                                      VdpOutputSurface source_surface,

                                      VdpRect const *source_rect,

                                      VdpColor const *colors,

                                      VdpOutputSurfaceRenderBlendState const *blend_state,

                                      uint32_t flags)

{

   vlVdpOutputSurface *dst_vlsurface;

   struct pipe_context *context;

   struct pipe_sampler_view *src_sv;

   struct vl_compositor *compositor;

   struct vl_compositor_state *cstate;

   struct u_rect src_rect, dst_rect;

   struct vertex4f vlcolors[4];

   void *blend;

   dst_vlsurface = vlGetDataHTAB(destination_surface);

   if (!dst_vlsurface)

      return VDP_STATUS_INVALID_HANDLE;

   if (source_surface == VDP_INVALID_HANDLE) {

      src_sv = dst_vlsurface->device->dummy_sv;

   } else {

      vlVdpOutputSurface *src_vlsurface = vlGetDataHTAB(source_surface);

      if (!src_vlsurface)

         return VDP_STATUS_INVALID_HANDLE;

      if (dst_vlsurface->device != src_vlsurface->device)

         return VDP_STATUS_HANDLE_DEVICE_MISMATCH;

      src_sv = src_vlsurface->sampler_view;

   }

   pipe_mutex_lock(dst_vlsurface->device->mutex);

   vlVdpResolveDelayedRendering(dst_vlsurface->device, NULL, NULL);

   context = dst_vlsurface->device->context;

   compositor = &dst_vlsurface->device->compositor;

   cstate = &dst_vlsurface->cstate;

   blend = BlenderToPipe(context, blend_state);

   vl_compositor_clear_layers(cstate);

   vl_compositor_set_layer_blend(cstate, 0, blend, false);

   vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,

                                RectToPipe(source_rect, &src_rect), NULL,

                                ColorsToPipe(colors, flags, vlcolors));

   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_0 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_0);

   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_90 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_90);

   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_180 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_180);

   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_270 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_270);

   vl_compositor_set_layer_rotation(cstate, 0, flags & 3);

   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));

   vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);

   context->delete_blend_state(context, blend);

   pipe_mutex_unlock(dst_vlsurface->device->mutex);

   return VDP_STATUS_OK;

}

/**

 * Composite a sub-rectangle of a VdpBitmapSurface into a sub-rectangle of

 * a VdpOutputSurface; Output Surface object VdpOutputSurface.

 */

VdpStatus

vlVdpOutputSurfaceRenderBitmapSurface(VdpOutputSurface destination_surface,

                                      VdpRect const *destination_rect,

                                      VdpBitmapSurface source_surface,

                                      VdpRect const *source_rect,

                                      VdpColor const *colors,

                                      VdpOutputSurfaceRenderBlendState const *blend_state,

                                      uint32_t flags)

{

   vlVdpOutputSurface *dst_vlsurface;

   struct pipe_context *context;

   struct pipe_sampler_view *src_sv;

   struct vl_compositor *compositor;

   struct vl_compositor_state *cstate;

   struct u_rect src_rect, dst_rect;

   struct vertex4f vlcolors[4];

   void *blend;

   dst_vlsurface = vlGetDataHTAB(destination_surface);

   if (!dst_vlsurface)

      return VDP_STATUS_INVALID_HANDLE;

   if (source_surface == VDP_INVALID_HANDLE) {

      src_sv = dst_vlsurface->device->dummy_sv;

   } else {

      vlVdpBitmapSurface *src_vlsurface = vlGetDataHTAB(source_surface);

      if (!src_vlsurface)

         return VDP_STATUS_INVALID_HANDLE;

      if (dst_vlsurface->device != src_vlsurface->device)

         return VDP_STATUS_HANDLE_DEVICE_MISMATCH;

      src_sv = src_vlsurface->sampler_view;

   }

   context = dst_vlsurface->device->context;

   compositor = &dst_vlsurface->device->compositor;

   cstate = &dst_vlsurface->cstate;

   pipe_mutex_lock(dst_vlsurface->device->mutex);

   vlVdpResolveDelayedRendering(dst_vlsurface->device, NULL, NULL);

   blend = BlenderToPipe(context, blend_state);

   vl_compositor_clear_layers(cstate);

   vl_compositor_set_layer_blend(cstate, 0, blend, false);

   vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,

                                RectToPipe(source_rect, &src_rect), NULL,

                                ColorsToPipe(colors, flags, vlcolors));

   vl_compositor_set_layer_rotation(cstate, 0, flags & 3);

   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));

   vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);

   context->delete_blend_state(context, blend);

   pipe_mutex_unlock(dst_vlsurface->device->mutex);

   return VDP_STATUS_OK;

}

struct pipe_resource *vlVdpOutputSurfaceGallium(VdpOutputSurface surface)

{

   vlVdpOutputSurface *vlsurface;

   vlsurface = vlGetDataHTAB(surface);

   if (!vlsurface || !vlsurface->surface)

      return NULL;

   pipe_mutex_lock(vlsurface->device->mutex);

   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);

   vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);

   pipe_mutex_unlock(vlsurface->device->mutex);

   return vlsurface->surface->texture;

}