/**************************************************************************
*
* 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 <assert.h>
#include "pipe/p_screen.h"
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/u_format.h"
#include "util/u_inlines.h"
#include "util/u_sampler.h"
#include "util/u_memory.h"
#include "vl_video_buffer.h"
const enum pipe_format const_resource_formats_YV12[3] = {
PIPE_FORMAT_R8_UNORM,
PIPE_FORMAT_R8_UNORM,
PIPE_FORMAT_R8_UNORM
};
const enum pipe_format const_resource_formats_NV12[3] = {
PIPE_FORMAT_R8_UNORM,
PIPE_FORMAT_R8G8_UNORM,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_YUVA[3] = {
PIPE_FORMAT_R8G8B8A8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_VUYA[3] = {
PIPE_FORMAT_B8G8R8A8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_YUYV[3] = {
PIPE_FORMAT_R8G8_R8B8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_UYVY[3] = {
PIPE_FORMAT_G8R8_B8R8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const unsigned const_resource_plane_order_YUV[3] = {
0,
1,
2
};
const unsigned const_resource_plane_order_YVU[3] = {
0,
2,
1
};
const enum pipe_format *
vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format)
{
switch(format) {
case PIPE_FORMAT_YV12:
return const_resource_formats_YV12;
case PIPE_FORMAT_NV12:
return const_resource_formats_NV12;
case PIPE_FORMAT_R8G8B8A8_UNORM:
return const_resource_formats_YUVA;
case PIPE_FORMAT_B8G8R8A8_UNORM:
return const_resource_formats_VUYA;
case PIPE_FORMAT_YUYV:
return const_resource_formats_YUYV;
case PIPE_FORMAT_UYVY:
return const_resource_formats_UYVY;
default:
return NULL;
}
}
const unsigned *
vl_video_buffer_plane_order(enum pipe_format format)
{
switch(format) {
case PIPE_FORMAT_YV12:
return const_resource_plane_order_YVU;
case PIPE_FORMAT_NV12:
case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_YUYV:
case PIPE_FORMAT_UYVY:
return const_resource_plane_order_YUV;
default:
return NULL;
}
}
static enum pipe_format
vl_video_buffer_surface_format(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
/* a subsampled formats can't work as surface use RGBA instead */
if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
return PIPE_FORMAT_R8G8B8A8_UNORM;
return format;
}
boolean
vl_video_buffer_is_format_supported(struct pipe_screen *screen,
enum pipe_format format,
enum pipe_video_profile profile,
enum pipe_video_entrypoint entrypoint)
{
const enum pipe_format *resource_formats;
unsigned i;
resource_formats = vl_video_buffer_formats(screen, format);
if (!resource_formats)
return false;
for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
enum pipe_format format = resource_formats[i];
if (format == PIPE_FORMAT_NONE)
continue;
/* we at least need to sample from it */
if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW))
return false;
format = vl_video_buffer_surface_format(format);
if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET))
return false;
}
return true;
}
unsigned
vl_video_buffer_max_size(struct pipe_screen *screen)
{
uint32_t max_2d_texture_level;
max_2d_texture_level = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
return 1 << (max_2d_texture_level-1);
}
void
vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
struct pipe_video_codec *vcodec,
void *associated_data,
void (*destroy_associated_data)(void *))
{
vbuf->codec = vcodec;
if (vbuf->associated_data == associated_data)
return;
if (vbuf->associated_data)
vbuf->destroy_associated_data(vbuf->associated_data);
vbuf->associated_data = associated_data;
vbuf->destroy_associated_data = destroy_associated_data;
}
void *
vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
struct pipe_video_codec *vcodec)
{
if (vbuf->codec == vcodec)
return vbuf->associated_data;
else
return NULL;
}
void
vl_video_buffer_template(struct pipe_resource *templ,
const struct pipe_video_buffer *tmpl,
enum pipe_format resource_format,
unsigned depth, unsigned array_size,
unsigned usage, unsigned plane)
{
memset(templ
, 0, sizeof(*templ
)); if (depth > 1)
templ->target = PIPE_TEXTURE_3D;
else if (array_size > 1)
templ->target = PIPE_TEXTURE_2D_ARRAY;
else
templ->target = PIPE_TEXTURE_2D;
templ->format = resource_format;
templ->width0 = tmpl->width;
templ->height0 = tmpl->height;
templ->depth0 = depth;
templ->array_size = array_size;
templ->bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
templ->usage = usage;
if (plane > 0) {
if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
templ->width0 /= 2;
templ->height0 /= 2;
} else if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) {
templ->width0 /= 2;
}
}
}
static void
vl_video_buffer_destroy(struct pipe_video_buffer *buffer)
{
struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
unsigned i;
for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
pipe_resource_reference(&buf->resources[i], NULL);
}
for (i = 0; i < VL_MAX_SURFACES; ++i)
pipe_surface_reference(&buf->surfaces[i], NULL);
vl_video_buffer_set_associated_data(buffer, NULL, NULL, NULL);
FREE(buffer);
}
static struct pipe_sampler_view **
vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
{
struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
struct pipe_sampler_view sv_templ;
struct pipe_context *pipe;
unsigned i;
pipe = buf->base.context;
for (i = 0; i < buf->num_planes; ++i ) {
if (!buf->sampler_view_planes[i]) {
memset(&sv_templ
, 0, sizeof(sv_templ
)); u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
if (util_format_get_nr_components(buf->resources[i]->format) == 1)
sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_RED;
buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
if (!buf->sampler_view_planes[i])
goto error;
}
}
return buf->sampler_view_planes;
error:
for (i = 0; i < buf->num_planes; ++i )
pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
return NULL;
}
static struct pipe_sampler_view **
vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
{
struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
struct pipe_sampler_view sv_templ;
struct pipe_context *pipe;
const enum pipe_format *sampler_format;
const unsigned *plane_order;
unsigned i, j, component;
pipe = buf->base.context;
sampler_format = vl_video_buffer_formats(pipe->screen, buf->base.buffer_format);
plane_order = vl_video_buffer_plane_order(buf->base.buffer_format);
for (component = 0, i = 0; i < buf->num_planes; ++i ) {
struct pipe_resource *res = buf->resources[plane_order[i]];
const struct util_format_description *desc = util_format_description(res->format);
unsigned nr_components = util_format_get_nr_components(res->format);
if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
nr_components = 3;
for (j = 0; j < nr_components && component < VL_NUM_COMPONENTS; ++j, ++component) {
if (buf->sampler_view_components[component])
continue;
memset(&sv_templ
, 0, sizeof(sv_templ
)); u_sampler_view_default_template(&sv_templ, res, sampler_format[plane_order[i]]);
sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j;
sv_templ.swizzle_a = PIPE_SWIZZLE_ONE;
buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
if (!buf->sampler_view_components[component])
goto error;
}
}
assert(component
== VL_NUM_COMPONENTS
);
return buf->sampler_view_components;
error:
for (i = 0; i < VL_NUM_COMPONENTS; ++i )
pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
return NULL;
}
static struct pipe_surface **
vl_video_buffer_surfaces(struct pipe_video_buffer *buffer)
{
struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
struct pipe_surface surf_templ;
struct pipe_context *pipe;
unsigned i, j, array_size, surf;
pipe = buf->base.context;
array_size = buffer->interlaced ? 2 : 1;
for (i = 0, surf = 0; i < VL_NUM_COMPONENTS; ++i) {
for (j = 0; j < array_size; ++j, ++surf) {
assert(surf
< VL_MAX_SURFACES
);
if (!buf->resources[i]) {
pipe_surface_reference(&buf->surfaces[surf], NULL);
continue;
}
if (!buf->surfaces[surf]) {
memset(&surf_templ
, 0, sizeof(surf_templ
)); surf_templ.format = vl_video_buffer_surface_format(buf->resources[i]->format);
surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = j;
buf->surfaces[surf] = pipe->create_surface(pipe, buf->resources[i], &surf_templ);
if (!buf->surfaces[surf])
goto error;
}
}
}
return buf->surfaces;
error:
for (i = 0; i < VL_MAX_SURFACES; ++i )
pipe_surface_reference(&buf->surfaces[i], NULL);
return NULL;
}
struct pipe_video_buffer *
vl_video_buffer_create(struct pipe_context *pipe,
const struct pipe_video_buffer *tmpl)
{
const enum pipe_format *resource_formats;
struct pipe_video_buffer templat, *result;
bool pot_buffers;
assert(tmpl
->width
> 0 && tmpl
->height
> 0);
pot_buffers = !pipe->screen->get_video_param
(
pipe->screen,
PIPE_VIDEO_PROFILE_UNKNOWN,
PIPE_VIDEO_ENTRYPOINT_UNKNOWN,
PIPE_VIDEO_CAP_NPOT_TEXTURES
);
resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
if (!resource_formats)
return NULL;
templat = *tmpl;
templat.width = pot_buffers ? util_next_power_of_two(tmpl->width)
: align(tmpl->width, VL_MACROBLOCK_WIDTH);
templat.height = pot_buffers ? util_next_power_of_two(tmpl->height)
: align(tmpl->height, VL_MACROBLOCK_HEIGHT);
if (tmpl->interlaced)
templat.height /= 2;
result = vl_video_buffer_create_ex
(
pipe, &templat, resource_formats,
1, tmpl->interlaced ? 2 : 1, PIPE_USAGE_DEFAULT
);
if (result && tmpl->interlaced)
result->height *= 2;
return result;
}
struct pipe_video_buffer *
vl_video_buffer_create_ex(struct pipe_context *pipe,
const struct pipe_video_buffer *tmpl,
const enum pipe_format resource_formats[VL_NUM_COMPONENTS],
unsigned depth, unsigned array_size, unsigned usage)
{
struct pipe_resource res_tmpl;
struct pipe_resource *resources[VL_NUM_COMPONENTS];
unsigned i;
memset(resources
, 0, sizeof resources
);
vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[0], depth, array_size, usage, 0);
resources[0] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
if (!resources[0])
goto error;
if (resource_formats[1] == PIPE_FORMAT_NONE) {
assert(resource_formats
[2] == PIPE_FORMAT_NONE
); return vl_video_buffer_create_ex2(pipe, tmpl, resources);
}
vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[1], depth, array_size, usage, 1);
resources[1] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
if (!resources[1])
goto error;
if (resource_formats[2] == PIPE_FORMAT_NONE)
return vl_video_buffer_create_ex2(pipe, tmpl, resources);
vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[2], depth, array_size, usage, 2);
resources[2] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
if (!resources[2])
goto error;
return vl_video_buffer_create_ex2(pipe, tmpl, resources);
error:
for (i = 0; i < VL_NUM_COMPONENTS; ++i)
pipe_resource_reference(&resources[i], NULL);
return NULL;
}
struct pipe_video_buffer *
vl_video_buffer_create_ex2(struct pipe_context *pipe,
const struct pipe_video_buffer *tmpl,
struct pipe_resource *resources[VL_NUM_COMPONENTS])
{
struct vl_video_buffer *buffer;
unsigned i;
buffer = CALLOC_STRUCT(vl_video_buffer);
if (!buffer)
return NULL;
buffer->base = *tmpl;
buffer->base.context = pipe;
buffer->base.destroy = vl_video_buffer_destroy;
buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes;
buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components;
buffer->base.get_surfaces = vl_video_buffer_surfaces;
buffer->num_planes = 0;
for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
buffer->resources[i] = resources[i];
if (resources[i])
buffer->num_planes++;
}
return &buffer->base;
}