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/*
* Copyright 2011 Maarten Lankhorst
*
* 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS 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 "nvc0_video.h"
#include "util/u_sampler.h"
#include "util/u_format.h"
#include <sys/mman.h>
#include <fcntl.h>
int
nvc0_screen_get_video_param(struct pipe_screen *pscreen,
enum pipe_video_profile profile,
enum pipe_video_cap param)
{
switch (param) {
case PIPE_VIDEO_CAP_SUPPORTED:
return profile >= PIPE_VIDEO_PROFILE_MPEG1;
case PIPE_VIDEO_CAP_NPOT_TEXTURES:
return 1;
case PIPE_VIDEO_CAP_MAX_WIDTH:
case PIPE_VIDEO_CAP_MAX_HEIGHT:
return nouveau_screen(pscreen)->device->chipset < 0xd0 ? 2048 : 4096;
case PIPE_VIDEO_CAP_PREFERED_FORMAT:
return PIPE_FORMAT_NV12;
case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
return true;
case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
return false;
default:
debug_printf("unknown video param: %d\n", param);
return 0;
}
}
struct pipe_video_decoder *
nvc0_create_decoder(struct pipe_context *context,
enum pipe_video_profile profile,
enum pipe_video_entrypoint entrypoint,
enum pipe_video_chroma_format chroma_format,
unsigned width, unsigned height, unsigned max_references,
bool chunked_decode)
{
if (getenv("XVMC_VL"))
return vl_create_decoder(context, profile, entrypoint,
chroma_format, width, height,
max_references, chunked_decode);
if (entrypoint != PIPE_VIDEO_ENTRYPOINT_BITSTREAM) {
debug_printf("%x\n", entrypoint);
return NULL;
}
return NULL;
}
static struct pipe_sampler_view **
nvc0_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
{
struct nvc0_video_buffer *buf = (struct nvc0_video_buffer *)buffer;
return buf->sampler_view_planes;
}
static struct pipe_sampler_view **
nvc0_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
{
struct nvc0_video_buffer *buf = (struct nvc0_video_buffer *)buffer;
return buf->sampler_view_components;
}
static struct pipe_surface **
nvc0_video_buffer_surfaces(struct pipe_video_buffer *buffer)
{
struct nvc0_video_buffer *buf = (struct nvc0_video_buffer *)buffer;
return buf->surfaces;
}
static void
nvc0_video_buffer_destroy(struct pipe_video_buffer *buffer)
{
struct nvc0_video_buffer *buf = (struct nvc0_video_buffer *)buffer;
unsigned i;
assert(buf);
for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
pipe_resource_reference(&buf->resources[i], NULL);
pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
pipe_surface_reference(&buf->surfaces[i * 2], NULL);
pipe_surface_reference(&buf->surfaces[i * 2 + 1], NULL);
}
FREE(buffer);
}
struct pipe_video_buffer *
nvc0_video_buffer_create(struct pipe_context *pipe,
const struct pipe_video_buffer *templat)
{
struct nvc0_video_buffer *buffer;
struct pipe_resource templ;
unsigned i, j, component;
struct pipe_sampler_view sv_templ;
struct pipe_surface surf_templ;
assert(templat->interlaced);
if (getenv("XVMC_VL") || templat->buffer_format != PIPE_FORMAT_NV12)
return vl_video_buffer_create(pipe, templat);
assert(templat->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420);
buffer = CALLOC_STRUCT(nvc0_video_buffer);
if (!buffer)
return NULL;
assert(!(templat->height % 4));
assert(!(templat->width % 2));
buffer->base.buffer_format = templat->buffer_format;
buffer->base.context = pipe;
buffer->base.destroy = nvc0_video_buffer_destroy;
buffer->base.chroma_format = templat->chroma_format;
buffer->base.width = templat->width;
buffer->base.height = templat->height;
buffer->base.get_sampler_view_planes = nvc0_video_buffer_sampler_view_planes;
buffer->base.get_sampler_view_components = nvc0_video_buffer_sampler_view_components;
buffer->base.get_surfaces = nvc0_video_buffer_surfaces;
buffer->base.interlaced = true;
memset(&templ, 0, sizeof(templ));
templ.target = PIPE_TEXTURE_3D;
templ.depth0 = 2;
templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
templ.format = PIPE_FORMAT_R8_UNORM;
templ.width0 = buffer->base.width;
templ.height0 = buffer->base.height/2;
templ.flags = NVC0_RESOURCE_FLAG_VIDEO;
templ.last_level = 0;
templ.array_size = 1;
buffer->resources[0] = pipe->screen->resource_create(pipe->screen, &templ);
if (!buffer->resources[0])
goto error;
templ.format = PIPE_FORMAT_R8G8_UNORM;
buffer->num_planes = 2;
templ.width0 /= 2;
templ.height0 /= 2;
for (i = 1; i < buffer->num_planes; ++i) {
buffer->resources[i] = pipe->screen->resource_create(pipe->screen, &templ);
if (!buffer->resources[i])
goto error;
}
memset(&sv_templ, 0, sizeof(sv_templ));
for (component = 0, i = 0; i < buffer->num_planes; ++i ) {
struct pipe_resource *res = buffer->resources[i];
unsigned nr_components = util_format_get_nr_components(res->format);
u_sampler_view_default_template(&sv_templ, res, res->format);
buffer->sampler_view_planes[i] = pipe->create_sampler_view(pipe, res, &sv_templ);
if (!buffer->sampler_view_planes[i])
goto error;
for (j = 0; j < nr_components; ++j, ++component) {
sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j;
sv_templ.swizzle_a = PIPE_SWIZZLE_ONE;
buffer->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
if (!buffer->sampler_view_components[component])
goto error;
}
}
memset(&surf_templ, 0, sizeof(surf_templ));
for (j = 0; j < buffer->num_planes; ++j) {
surf_templ.format = buffer->resources[j]->format;
surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = 0;
buffer->surfaces[j * 2] = pipe->create_surface(pipe, buffer->resources[j], &surf_templ);
if (!buffer->surfaces[j * 2])
goto error;
surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = 1;
buffer->surfaces[j * 2 + 1] = pipe->create_surface(pipe, buffer->resources[j], &surf_templ);
if (!buffer->surfaces[j * 2 + 1])
goto error;
}
return &buffer->base;
error:
nvc0_video_buffer_destroy(&buffer->base);
return NULL;
}
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