forked from KolibriOS/kolibrios
510 lines
15 KiB
C
510 lines
15 KiB
C
/**************************************************************************
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*
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* Copyright 2011 Christian König.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include <assert.h>
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#include "pipe/p_screen.h"
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#include "pipe/p_context.h"
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#include "pipe/p_state.h"
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#include "util/u_format.h"
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#include "util/u_inlines.h"
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#include "util/u_sampler.h"
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#include "util/u_memory.h"
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#include "vl_video_buffer.h"
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const enum pipe_format const_resource_formats_YV12[3] = {
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PIPE_FORMAT_R8_UNORM,
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PIPE_FORMAT_R8_UNORM,
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PIPE_FORMAT_R8_UNORM
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};
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const enum pipe_format const_resource_formats_NV12[3] = {
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PIPE_FORMAT_R8_UNORM,
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PIPE_FORMAT_R8G8_UNORM,
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PIPE_FORMAT_NONE
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};
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const enum pipe_format const_resource_formats_YUVA[3] = {
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PIPE_FORMAT_R8G8B8A8_UNORM,
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PIPE_FORMAT_NONE,
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PIPE_FORMAT_NONE
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};
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const enum pipe_format const_resource_formats_VUYA[3] = {
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PIPE_FORMAT_B8G8R8A8_UNORM,
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PIPE_FORMAT_NONE,
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PIPE_FORMAT_NONE
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};
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const enum pipe_format const_resource_formats_YUYV[3] = {
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PIPE_FORMAT_R8G8_R8B8_UNORM,
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PIPE_FORMAT_NONE,
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PIPE_FORMAT_NONE
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};
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const enum pipe_format const_resource_formats_UYVY[3] = {
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PIPE_FORMAT_G8R8_B8R8_UNORM,
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PIPE_FORMAT_NONE,
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PIPE_FORMAT_NONE
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};
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const unsigned const_resource_plane_order_YUV[3] = {
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0,
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1,
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2
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};
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const unsigned const_resource_plane_order_YVU[3] = {
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0,
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2,
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1
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};
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const enum pipe_format *
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vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format)
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{
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switch(format) {
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case PIPE_FORMAT_YV12:
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return const_resource_formats_YV12;
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case PIPE_FORMAT_NV12:
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return const_resource_formats_NV12;
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case PIPE_FORMAT_R8G8B8A8_UNORM:
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return const_resource_formats_YUVA;
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case PIPE_FORMAT_B8G8R8A8_UNORM:
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return const_resource_formats_VUYA;
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case PIPE_FORMAT_YUYV:
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return const_resource_formats_YUYV;
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case PIPE_FORMAT_UYVY:
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return const_resource_formats_UYVY;
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default:
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return NULL;
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}
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}
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const unsigned *
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vl_video_buffer_plane_order(enum pipe_format format)
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{
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switch(format) {
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case PIPE_FORMAT_YV12:
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return const_resource_plane_order_YVU;
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case PIPE_FORMAT_NV12:
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case PIPE_FORMAT_R8G8B8A8_UNORM:
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case PIPE_FORMAT_B8G8R8A8_UNORM:
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case PIPE_FORMAT_YUYV:
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case PIPE_FORMAT_UYVY:
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return const_resource_plane_order_YUV;
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default:
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return NULL;
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}
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}
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static enum pipe_format
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vl_video_buffer_surface_format(enum pipe_format format)
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{
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const struct util_format_description *desc = util_format_description(format);
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/* a subsampled formats can't work as surface use RGBA instead */
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if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
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return PIPE_FORMAT_R8G8B8A8_UNORM;
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return format;
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}
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boolean
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vl_video_buffer_is_format_supported(struct pipe_screen *screen,
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enum pipe_format format,
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enum pipe_video_profile profile)
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{
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const enum pipe_format *resource_formats;
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unsigned i;
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resource_formats = vl_video_buffer_formats(screen, format);
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if (!resource_formats)
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return false;
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for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
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enum pipe_format format = resource_formats[i];
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if (format == PIPE_FORMAT_NONE)
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continue;
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/* we at least need to sample from it */
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if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW))
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return false;
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format = vl_video_buffer_surface_format(format);
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if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET))
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return false;
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}
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return true;
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}
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unsigned
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vl_video_buffer_max_size(struct pipe_screen *screen)
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{
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uint32_t max_2d_texture_level;
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max_2d_texture_level = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
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return 1 << (max_2d_texture_level-1);
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}
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void
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vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
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struct pipe_video_decoder *vdec,
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void *associated_data,
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void (*destroy_associated_data)(void *))
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{
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vbuf->decoder = vdec;
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if (vbuf->associated_data == associated_data)
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return;
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if (vbuf->associated_data)
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vbuf->destroy_associated_data(vbuf->associated_data);
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vbuf->associated_data = associated_data;
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vbuf->destroy_associated_data = destroy_associated_data;
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}
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void *
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vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
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struct pipe_video_decoder *vdec)
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{
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if (vbuf->decoder == vdec)
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return vbuf->associated_data;
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else
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return NULL;
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}
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void
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vl_video_buffer_template(struct pipe_resource *templ,
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const struct pipe_video_buffer *tmpl,
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enum pipe_format resource_format,
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unsigned depth, unsigned array_size,
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unsigned usage, unsigned plane)
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{
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memset(templ, 0, sizeof(*templ));
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if (depth > 1)
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templ->target = PIPE_TEXTURE_3D;
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else if (array_size > 1)
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templ->target = PIPE_TEXTURE_2D_ARRAY;
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else
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templ->target = PIPE_TEXTURE_2D;
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templ->format = resource_format;
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templ->width0 = tmpl->width;
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templ->height0 = tmpl->height;
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templ->depth0 = depth;
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templ->array_size = array_size;
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templ->bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
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templ->usage = usage;
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if (plane > 0) {
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if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
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templ->width0 /= 2;
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templ->height0 /= 2;
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} else if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) {
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templ->height0 /= 2;
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}
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}
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}
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static void
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vl_video_buffer_destroy(struct pipe_video_buffer *buffer)
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{
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struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
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unsigned i;
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assert(buf);
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for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
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pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
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pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
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pipe_resource_reference(&buf->resources[i], NULL);
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}
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for (i = 0; i < VL_NUM_COMPONENTS * 2; ++i)
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pipe_surface_reference(&buf->surfaces[i], NULL);
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vl_video_buffer_set_associated_data(buffer, NULL, NULL, NULL);
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FREE(buffer);
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}
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static struct pipe_sampler_view **
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vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
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{
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struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
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struct pipe_sampler_view sv_templ;
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struct pipe_context *pipe;
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unsigned i;
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assert(buf);
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pipe = buf->base.context;
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for (i = 0; i < buf->num_planes; ++i ) {
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if (!buf->sampler_view_planes[i]) {
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memset(&sv_templ, 0, sizeof(sv_templ));
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u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
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if (util_format_get_nr_components(buf->resources[i]->format) == 1)
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sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_RED;
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buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
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if (!buf->sampler_view_planes[i])
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goto error;
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}
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}
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return buf->sampler_view_planes;
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error:
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for (i = 0; i < buf->num_planes; ++i )
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pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
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return NULL;
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}
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static struct pipe_sampler_view **
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vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
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{
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struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
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struct pipe_sampler_view sv_templ;
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struct pipe_context *pipe;
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const enum pipe_format *sampler_format;
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const unsigned *plane_order;
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unsigned i, j, component;
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assert(buf);
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pipe = buf->base.context;
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sampler_format = vl_video_buffer_formats(pipe->screen, buf->base.buffer_format);
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plane_order = vl_video_buffer_plane_order(buf->base.buffer_format);
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for (component = 0, i = 0; i < buf->num_planes; ++i ) {
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struct pipe_resource *res = buf->resources[plane_order[i]];
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const struct util_format_description *desc = util_format_description(res->format);
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unsigned nr_components = util_format_get_nr_components(res->format);
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if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
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nr_components = 3;
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for (j = 0; j < nr_components && component < VL_NUM_COMPONENTS; ++j, ++component) {
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if (buf->sampler_view_components[component])
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continue;
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memset(&sv_templ, 0, sizeof(sv_templ));
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u_sampler_view_default_template(&sv_templ, res, sampler_format[plane_order[i]]);
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sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j;
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sv_templ.swizzle_a = PIPE_SWIZZLE_ONE;
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buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
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if (!buf->sampler_view_components[component])
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goto error;
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}
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}
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assert(component == VL_NUM_COMPONENTS);
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return buf->sampler_view_components;
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error:
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for (i = 0; i < VL_NUM_COMPONENTS; ++i )
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pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
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return NULL;
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}
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static struct pipe_surface **
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vl_video_buffer_surfaces(struct pipe_video_buffer *buffer)
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{
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struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
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struct pipe_surface surf_templ;
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struct pipe_context *pipe;
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unsigned i, j, array_size, surf;
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assert(buf);
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pipe = buf->base.context;
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array_size = buffer->interlaced ? 2 : 1;
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for (i = 0, surf = 0; i < VL_NUM_COMPONENTS; ++i) {
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for (j = 0; j < array_size; ++j, ++surf) {
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assert(surf < (VL_NUM_COMPONENTS * 2));
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if (!buf->resources[i]) {
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pipe_surface_reference(&buf->surfaces[surf], NULL);
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continue;
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}
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if (!buf->surfaces[surf]) {
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memset(&surf_templ, 0, sizeof(surf_templ));
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surf_templ.format = vl_video_buffer_surface_format(buf->resources[i]->format);
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surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = j;
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buf->surfaces[surf] = pipe->create_surface(pipe, buf->resources[i], &surf_templ);
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if (!buf->surfaces[surf])
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goto error;
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}
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}
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}
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return buf->surfaces;
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error:
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for (i = 0; i < (VL_NUM_COMPONENTS * 2); ++i )
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pipe_surface_reference(&buf->surfaces[i], NULL);
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return NULL;
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}
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struct pipe_video_buffer *
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vl_video_buffer_create(struct pipe_context *pipe,
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const struct pipe_video_buffer *tmpl)
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{
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const enum pipe_format *resource_formats;
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struct pipe_video_buffer templat, *result;
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bool pot_buffers;
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assert(pipe);
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assert(tmpl->width > 0 && tmpl->height > 0);
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pot_buffers = !pipe->screen->get_video_param
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(
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pipe->screen,
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PIPE_VIDEO_PROFILE_UNKNOWN,
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PIPE_VIDEO_CAP_NPOT_TEXTURES
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);
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resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
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if (!resource_formats)
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return NULL;
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templat = *tmpl;
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templat.width = pot_buffers ? util_next_power_of_two(tmpl->width)
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: align(tmpl->width, VL_MACROBLOCK_WIDTH);
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templat.height = pot_buffers ? util_next_power_of_two(tmpl->height)
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: align(tmpl->height, VL_MACROBLOCK_HEIGHT);
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if (tmpl->interlaced)
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templat.height /= 2;
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result = vl_video_buffer_create_ex
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(
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pipe, &templat, resource_formats,
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1, tmpl->interlaced ? 2 : 1, PIPE_USAGE_STATIC
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);
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if (result && tmpl->interlaced)
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result->height *= 2;
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return result;
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}
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struct pipe_video_buffer *
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vl_video_buffer_create_ex(struct pipe_context *pipe,
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const struct pipe_video_buffer *tmpl,
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const enum pipe_format resource_formats[VL_NUM_COMPONENTS],
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unsigned depth, unsigned array_size, unsigned usage)
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{
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struct pipe_resource res_tmpl;
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struct pipe_resource *resources[VL_NUM_COMPONENTS];
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unsigned i;
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assert(pipe);
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memset(resources, 0, sizeof resources);
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vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[0], depth, array_size, usage, 0);
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resources[0] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
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if (!resources[0])
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goto error;
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if (resource_formats[1] == PIPE_FORMAT_NONE) {
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assert(resource_formats[2] == PIPE_FORMAT_NONE);
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return vl_video_buffer_create_ex2(pipe, tmpl, resources);
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}
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vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[1], depth, array_size, usage, 1);
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resources[1] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
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if (!resources[1])
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goto error;
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if (resource_formats[2] == PIPE_FORMAT_NONE)
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return vl_video_buffer_create_ex2(pipe, tmpl, resources);
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vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[2], depth, array_size, usage, 2);
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resources[2] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
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if (!resources[2])
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goto error;
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return vl_video_buffer_create_ex2(pipe, tmpl, resources);
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error:
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for (i = 0; i < VL_NUM_COMPONENTS; ++i)
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pipe_resource_reference(&resources[i], NULL);
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return NULL;
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}
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struct pipe_video_buffer *
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vl_video_buffer_create_ex2(struct pipe_context *pipe,
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const struct pipe_video_buffer *tmpl,
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struct pipe_resource *resources[VL_NUM_COMPONENTS])
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{
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struct vl_video_buffer *buffer;
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unsigned i;
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buffer = CALLOC_STRUCT(vl_video_buffer);
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buffer->base = *tmpl;
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buffer->base.context = pipe;
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buffer->base.destroy = vl_video_buffer_destroy;
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buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes;
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buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components;
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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;
|
|
}
|