diff options
Diffstat (limited to 'src/gallium/drivers/nv50/nv84_video.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv84_video.c | 796 |
1 files changed, 796 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv84_video.c b/src/gallium/drivers/nv50/nv84_video.c new file mode 100644 index 00000000000..d5f6295a850 --- /dev/null +++ b/src/gallium/drivers/nv50/nv84_video.c @@ -0,0 +1,796 @@ +/* + * Copyright 2013 Ilia Mirkin + * + * 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 OR COPYRIGHT HOLDERS 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 <sys/mman.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <fcntl.h> + +#include "util/u_format.h" +#include "util/u_sampler.h" +#include "vl/vl_zscan.h" + +#include "nv84_video.h" + +static int +nv84_copy_firmware(const char *path, void *dest, ssize_t len) +{ + int fd = open(path, O_RDONLY | O_CLOEXEC); + ssize_t r; + if (fd < 0) { + fprintf(stderr, "opening firmware file %s failed: %m\n", path); + return 1; + } + r = read(fd, dest, len); + close(fd); + + if (r != len) { + fprintf(stderr, "reading firwmare file %s failed: %m\n", path); + return 1; + } + + return 0; +} + +static int +filesize(const char *path) +{ + int ret; + struct stat statbuf; + + ret = stat(path, &statbuf); + if (ret) + return ret; + return statbuf.st_size; +} + +static struct nouveau_bo * +nv84_load_firmwares(struct nouveau_device *dev, struct nv84_decoder *dec, + const char *fw1, const char *fw2) +{ + int ret, size1, size2 = 0; + struct nouveau_bo *fw; + + size1 = filesize(fw1); + if (fw2) + size2 = filesize(fw2); + if (size1 < 0 || size2 < 0) + return NULL; + + dec->vp_fw2_offset = align(size1, 0x100); + + ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, dec->vp_fw2_offset + size2, NULL, &fw); + if (ret) + return NULL; + ret = nouveau_bo_map(fw, NOUVEAU_BO_WR, dec->client); + if (ret) + goto error; + + ret = nv84_copy_firmware(fw1, fw->map, size1); + if (fw2 && !ret) + ret = nv84_copy_firmware(fw2, fw->map + dec->vp_fw2_offset, size2); + munmap(fw->map, fw->size); + fw->map = NULL; + if (!ret) + return fw; +error: + nouveau_bo_ref(NULL, &fw); + return NULL; +} + +static struct nouveau_bo * +nv84_load_bsp_firmware(struct nouveau_device *dev, struct nv84_decoder *dec) +{ + return nv84_load_firmwares( + dev, dec, "/lib/firmware/nouveau/nv84_bsp-h264", NULL); +} + +static struct nouveau_bo * +nv84_load_vp_firmware(struct nouveau_device *dev, struct nv84_decoder *dec) +{ + return nv84_load_firmwares( + dev, dec, + "/lib/firmware/nouveau/nv84_vp-h264-1", + "/lib/firmware/nouveau/nv84_vp-h264-2"); +} + +static struct nouveau_bo * +nv84_load_vp_firmware_mpeg(struct nouveau_device *dev, struct nv84_decoder *dec) +{ + return nv84_load_firmwares( + dev, dec, "/lib/firmware/nouveau/nv84_vp-mpeg12", NULL); +} + +static void +nv84_decoder_decode_bitstream_h264(struct pipe_video_decoder *decoder, + struct pipe_video_buffer *video_target, + struct pipe_picture_desc *picture, + unsigned num_buffers, + const void *const *data, + const unsigned *num_bytes) +{ + struct nv84_decoder *dec = (struct nv84_decoder *)decoder; + struct nv84_video_buffer *target = (struct nv84_video_buffer *)video_target; + + struct pipe_h264_picture_desc *desc = (struct pipe_h264_picture_desc *)picture; + + assert(target->base.buffer_format == PIPE_FORMAT_NV12); + + nv84_decoder_bsp(dec, desc, num_buffers, data, num_bytes, target); + nv84_decoder_vp_h264(dec, desc, target); +} + +static void +nv84_decoder_flush(struct pipe_video_decoder *decoder) +{ +} + +static void +nv84_decoder_begin_frame_h264(struct pipe_video_decoder *decoder, + struct pipe_video_buffer *target, + struct pipe_picture_desc *picture) +{ +} + +static void +nv84_decoder_end_frame_h264(struct pipe_video_decoder *decoder, + struct pipe_video_buffer *target, + struct pipe_picture_desc *picture) +{ +} + +static void +nv84_decoder_decode_bitstream_mpeg12(struct pipe_video_decoder *decoder, + struct pipe_video_buffer *video_target, + struct pipe_picture_desc *picture, + unsigned num_buffers, + const void *const *data, + const unsigned *num_bytes) +{ + struct nv84_decoder *dec = (struct nv84_decoder *)decoder; + + assert(video_target->buffer_format == PIPE_FORMAT_NV12); + + vl_mpg12_bs_decode(dec->mpeg12_bs, + video_target, + (struct pipe_mpeg12_picture_desc *)picture, + num_buffers, + data, + num_bytes); +} + +static void +nv84_decoder_begin_frame_mpeg12(struct pipe_video_decoder *decoder, + struct pipe_video_buffer *target, + struct pipe_picture_desc *picture) +{ + struct nv84_decoder *dec = (struct nv84_decoder *)decoder; + struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc *)picture; + int i; + + nouveau_bo_wait(dec->mpeg12_bo, NOUVEAU_BO_RDWR, dec->client); + dec->mpeg12_mb_info = dec->mpeg12_bo->map + 0x100; + dec->mpeg12_data = dec->mpeg12_bo->map + 0x100 + + align(0x20 * mb(dec->base.width) * mb(dec->base.height), 0x100); + if (desc->intra_matrix) { + dec->zscan = desc->alternate_scan ? vl_zscan_alternate : vl_zscan_normal; + for (i = 0; i < 64; i++) { + dec->mpeg12_intra_matrix[i] = desc->intra_matrix[dec->zscan[i]]; + dec->mpeg12_non_intra_matrix[i] = desc->non_intra_matrix[dec->zscan[i]]; + } + dec->mpeg12_intra_matrix[0] = 1 << (7 - desc->intra_dc_precision); + } +} + +static void +nv84_decoder_end_frame_mpeg12(struct pipe_video_decoder *decoder, + struct pipe_video_buffer *target, + struct pipe_picture_desc *picture) +{ + nv84_decoder_vp_mpeg12( + (struct nv84_decoder *)decoder, + (struct pipe_mpeg12_picture_desc *)picture, + (struct nv84_video_buffer *)target); +} + +static void +nv84_decoder_decode_macroblock(struct pipe_video_decoder *decoder, + struct pipe_video_buffer *target, + struct pipe_picture_desc *picture, + const struct pipe_macroblock *macroblocks, + unsigned num_macroblocks) +{ + const struct pipe_mpeg12_macroblock *mb = (const struct pipe_mpeg12_macroblock *)macroblocks; + for (int i = 0; i < num_macroblocks; i++, mb++) { + nv84_decoder_vp_mpeg12_mb( + (struct nv84_decoder *)decoder, + (struct pipe_mpeg12_picture_desc *)picture, + mb); + } +} + +static void +nv84_decoder_destroy(struct pipe_video_decoder *decoder) +{ + struct nv84_decoder *dec = (struct nv84_decoder *)decoder; + + nouveau_bo_ref(NULL, &dec->bsp_fw); + nouveau_bo_ref(NULL, &dec->bsp_data); + nouveau_bo_ref(NULL, &dec->vp_fw); + nouveau_bo_ref(NULL, &dec->vp_data); + nouveau_bo_ref(NULL, &dec->mbring); + nouveau_bo_ref(NULL, &dec->vpring); + nouveau_bo_ref(NULL, &dec->bitstream); + nouveau_bo_ref(NULL, &dec->vp_params); + nouveau_bo_ref(NULL, &dec->fence); + + nouveau_object_del(&dec->bsp); + nouveau_object_del(&dec->vp); + + nouveau_bufctx_del(&dec->bsp_bufctx); + nouveau_pushbuf_del(&dec->bsp_pushbuf); + nouveau_object_del(&dec->bsp_channel); + + nouveau_bufctx_del(&dec->vp_bufctx); + nouveau_pushbuf_del(&dec->vp_pushbuf); + nouveau_object_del(&dec->vp_channel); + + nouveau_client_del(&dec->client); + + if (dec->mpeg12_bs) + FREE(dec->mpeg12_bs); + FREE(dec); +} + +struct pipe_video_decoder * +nv84_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) +{ + struct nv50_context *nv50 = (struct nv50_context *)context; + struct nouveau_screen *screen = &nv50->screen->base; + struct nv84_decoder *dec; + struct nouveau_pushbuf *bsp_push, *vp_push; + struct nv50_surface surf; + struct nv50_miptree mip; + union pipe_color_union color; + struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 }; + int ret, i; + int is_h264 = u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG4_AVC; + int is_mpeg12 = u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12; + + if (getenv("XVMC_VL")) + return vl_create_decoder(context, profile, entrypoint, + chroma_format, width, height, + max_references, chunked_decode); + + if ((is_h264 && entrypoint != PIPE_VIDEO_ENTRYPOINT_BITSTREAM) || + (is_mpeg12 && entrypoint > PIPE_VIDEO_ENTRYPOINT_IDCT)) { + debug_printf("%x\n", entrypoint); + return NULL; + } + + if (!is_h264 && !is_mpeg12) { + debug_printf("invalid profile: %x\n", profile); + return NULL; + } + + dec = CALLOC_STRUCT(nv84_decoder); + if (!dec) + return NULL; + + dec->base.context = context; + dec->base.profile = profile; + dec->base.entrypoint = entrypoint; + dec->base.chroma_format = chroma_format; + dec->base.width = width; + dec->base.height = height; + dec->base.max_references = max_references; + dec->base.destroy = nv84_decoder_destroy; + dec->base.flush = nv84_decoder_flush; + if (is_h264) { + dec->base.decode_bitstream = nv84_decoder_decode_bitstream_h264; + dec->base.begin_frame = nv84_decoder_begin_frame_h264; + dec->base.end_frame = nv84_decoder_end_frame_h264; + + dec->frame_mbs = mb(dec->base.width) * mb_half(dec->base.height) * 2; + dec->frame_size = dec->frame_mbs << 8; + dec->vpring_deblock = align(0x30 * dec->frame_mbs, 0x100); + dec->vpring_residual = 0x2000 + MAX2(0x32000, 0x600 * dec->frame_mbs); + dec->vpring_ctrl = MAX2(0x10000, align(0x1080 + 0x144 * dec->frame_mbs, 0x100)); + } else if (is_mpeg12) { + dec->base.decode_macroblock = nv84_decoder_decode_macroblock; + dec->base.begin_frame = nv84_decoder_begin_frame_mpeg12; + dec->base.end_frame = nv84_decoder_end_frame_mpeg12; + + if (entrypoint == PIPE_VIDEO_ENTRYPOINT_BITSTREAM) { + dec->mpeg12_bs = CALLOC_STRUCT(vl_mpg12_bs); + if (!dec->mpeg12_bs) + goto fail; + vl_mpg12_bs_init(dec->mpeg12_bs, &dec->base); + dec->base.decode_bitstream = nv84_decoder_decode_bitstream_mpeg12; + } + } else { + goto fail; + } + + ret = nouveau_client_new(screen->device, &dec->client); + if (ret) + goto fail; + + if (is_h264) { + ret = nouveau_object_new(&screen->device->object, 0, + NOUVEAU_FIFO_CHANNEL_CLASS, + &nv04_data, sizeof(nv04_data), &dec->bsp_channel); + if (ret) + goto fail; + + ret = nouveau_pushbuf_new(dec->client, dec->bsp_channel, 4, + 32 * 1024, true, &dec->bsp_pushbuf); + if (ret) + goto fail; + + ret = nouveau_bufctx_new(dec->client, 1, &dec->bsp_bufctx); + if (ret) + goto fail; + } + + ret = nouveau_object_new(&screen->device->object, 0, + NOUVEAU_FIFO_CHANNEL_CLASS, + &nv04_data, sizeof(nv04_data), &dec->vp_channel); + if (ret) + goto fail; + ret = nouveau_pushbuf_new(dec->client, dec->vp_channel, 4, + 32 * 1024, true, &dec->vp_pushbuf); + if (ret) + goto fail; + + ret = nouveau_bufctx_new(dec->client, 1, &dec->vp_bufctx); + if (ret) + goto fail; + + bsp_push = dec->bsp_pushbuf; + vp_push = dec->vp_pushbuf; + + if (is_h264) { + dec->bsp_fw = nv84_load_bsp_firmware(screen->device, dec); + dec->vp_fw = nv84_load_vp_firmware(screen->device, dec); + if (!dec->bsp_fw || !dec->vp_fw) + goto fail; + } + if (is_mpeg12) { + dec->vp_fw = nv84_load_vp_firmware_mpeg(screen->device, dec); + if (!dec->vp_fw) + goto fail; + } + + if (is_h264) { + ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM | NOUVEAU_BO_NOSNOOP, + 0, 0x40000, NULL, &dec->bsp_data); + if (ret) + goto fail; + } + ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM | NOUVEAU_BO_NOSNOOP, + 0, 0x40000, NULL, &dec->vp_data); + if (ret) + goto fail; + if (is_h264) { + ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM | NOUVEAU_BO_NOSNOOP, + 0, + 2 * (dec->vpring_deblock + + dec->vpring_residual + + dec->vpring_ctrl + + 0x1000), + NULL, &dec->vpring); + if (ret) + goto fail; + ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM | NOUVEAU_BO_NOSNOOP, + 0, + (max_references + 1) * dec->frame_mbs * 0x40 + + dec->frame_size + 0x2000, + NULL, &dec->mbring); + if (ret) + goto fail; + ret = nouveau_bo_new(screen->device, NOUVEAU_BO_GART, + 0, 2 * (0x700 + MAX2(0x40000, 0x800 + 0x180 * dec->frame_mbs)), + NULL, &dec->bitstream); + if (ret) + goto fail; + ret = nouveau_bo_map(dec->bitstream, NOUVEAU_BO_WR, dec->client); + if (ret) + goto fail; + ret = nouveau_bo_new(screen->device, NOUVEAU_BO_GART, + 0, 0x2000, NULL, &dec->vp_params); + if (ret) + goto fail; + ret = nouveau_bo_map(dec->vp_params, NOUVEAU_BO_WR, dec->client); + if (ret) + goto fail; + } + if (is_mpeg12) { + ret = nouveau_bo_new(screen->device, NOUVEAU_BO_GART, + 0, + align(0x20 * mb(width) * mb(height), 0x100) + + (6 * 64 * 8) * mb(width) * mb(height) + 0x100, + NULL, &dec->mpeg12_bo); + if (ret) + goto fail; + ret = nouveau_bo_map(dec->mpeg12_bo, NOUVEAU_BO_WR, dec->client); + if (ret) + goto fail; + } + + ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM, + 0, 0x1000, NULL, &dec->fence); + if (ret) + goto fail; + ret = nouveau_bo_map(dec->fence, NOUVEAU_BO_WR, dec->client); + if (ret) + goto fail; + *(uint32_t *)dec->fence->map = 0; + + if (is_h264) { + nouveau_pushbuf_bufctx(bsp_push, dec->bsp_bufctx); + nouveau_bufctx_refn(dec->bsp_bufctx, 0, + dec->bsp_fw, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD); + nouveau_bufctx_refn(dec->bsp_bufctx, 0, + dec->bsp_data, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR); + } + + nouveau_pushbuf_bufctx(vp_push, dec->vp_bufctx); + nouveau_bufctx_refn(dec->vp_bufctx, 0, dec->vp_fw, + NOUVEAU_BO_VRAM | NOUVEAU_BO_RD); + nouveau_bufctx_refn(dec->vp_bufctx, 0, dec->vp_data, + NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR); + + if (is_h264 && !ret) + ret = nouveau_object_new(dec->bsp_channel, 0xbeef74b0, 0x74b0, + NULL, 0, &dec->bsp); + + if (!ret) + ret = nouveau_object_new(dec->vp_channel, 0xbeef7476, 0x7476, + NULL, 0, &dec->vp); + + if (ret) + goto fail; + + + if (is_h264) { + /* Zero out some parts of mbring/vpring. there's gotta be some cleaner way + * of doing this... perhaps makes sense to just copy the relevant logic + * here. */ + color.f[0] = color.f[1] = color.f[2] = color.f[3] = 0; + surf.offset = dec->frame_size; + surf.width = 64; + surf.height = (max_references + 1) * dec->frame_mbs / 4; + surf.depth = 1; + surf.base.format = PIPE_FORMAT_B8G8R8A8_UNORM; + surf.base.u.tex.level = 0; + surf.base.texture = &mip.base.base; + mip.level[0].tile_mode = 0; + mip.level[0].pitch = surf.width * 4; + mip.base.domain = NOUVEAU_BO_VRAM; + mip.base.bo = dec->mbring; + context->clear_render_target(context, &surf.base, &color, 0, 0, 64, 4760); + surf.offset = dec->vpring->size / 2 - 0x1000; + surf.width = 1024; + surf.height = 1; + mip.level[0].pitch = surf.width * 4; + mip.base.bo = dec->vpring; + context->clear_render_target(context, &surf.base, &color, 0, 0, 1024, 1); + surf.offset = dec->vpring->size - 0x1000; + context->clear_render_target(context, &surf.base, &color, 0, 0, 1024, 1); + + PUSH_SPACE(screen->pushbuf, 5); + PUSH_REFN(screen->pushbuf, dec->fence, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR); + /* The clear_render_target is done via 3D engine, so use it to write to a + * sempahore to indicate that it's done. + */ + BEGIN_NV04(screen->pushbuf, NV50_3D(QUERY_ADDRESS_HIGH), 4); + PUSH_DATAh(screen->pushbuf, dec->fence->offset); + PUSH_DATA (screen->pushbuf, dec->fence->offset); + PUSH_DATA (screen->pushbuf, 1); + PUSH_DATA (screen->pushbuf, 0xf010); + PUSH_KICK (screen->pushbuf); + + PUSH_SPACE(bsp_push, 2 + 12 + 2 + 4 + 3); + + BEGIN_NV04(bsp_push, SUBC_BSP(NV01_SUBCHAN_OBJECT), 1); + PUSH_DATA (bsp_push, dec->bsp->handle); + + BEGIN_NV04(bsp_push, SUBC_BSP(0x180), 11); + for (i = 0; i < 11; i++) + PUSH_DATA(bsp_push, nv04_data.vram); + BEGIN_NV04(bsp_push, SUBC_BSP(0x1b8), 1); + PUSH_DATA (bsp_push, nv04_data.vram); + + BEGIN_NV04(bsp_push, SUBC_BSP(0x600), 3); + PUSH_DATAh(bsp_push, dec->bsp_fw->offset); + PUSH_DATA (bsp_push, dec->bsp_fw->offset); + PUSH_DATA (bsp_push, dec->bsp_fw->size); + + BEGIN_NV04(bsp_push, SUBC_BSP(0x628), 2); + PUSH_DATA (bsp_push, dec->bsp_data->offset >> 8); + PUSH_DATA (bsp_push, dec->bsp_data->size); + PUSH_KICK (bsp_push); + } + + PUSH_SPACE(vp_push, 2 + 12 + 2 + 4 + 3); + + BEGIN_NV04(vp_push, SUBC_VP(NV01_SUBCHAN_OBJECT), 1); + PUSH_DATA (vp_push, dec->vp->handle); + + BEGIN_NV04(vp_push, SUBC_VP(0x180), 11); + for (i = 0; i < 11; i++) + PUSH_DATA(vp_push, nv04_data.vram); + + BEGIN_NV04(vp_push, SUBC_VP(0x1b8), 1); + PUSH_DATA (vp_push, nv04_data.vram); + + BEGIN_NV04(vp_push, SUBC_VP(0x600), 3); + PUSH_DATAh(vp_push, dec->vp_fw->offset); + PUSH_DATA (vp_push, dec->vp_fw->offset); + PUSH_DATA (vp_push, dec->vp_fw->size); + + BEGIN_NV04(vp_push, SUBC_VP(0x628), 2); + PUSH_DATA (vp_push, dec->vp_data->offset >> 8); + PUSH_DATA (vp_push, dec->vp_data->size); + PUSH_KICK (vp_push); + + return &dec->base; +fail: + nv84_decoder_destroy(&dec->base); + return NULL; +} + +static struct pipe_sampler_view ** +nv84_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer) +{ + struct nv84_video_buffer *buf = (struct nv84_video_buffer *)buffer; + return buf->sampler_view_planes; +} + +static struct pipe_sampler_view ** +nv84_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer) +{ + struct nv84_video_buffer *buf = (struct nv84_video_buffer *)buffer; + return buf->sampler_view_components; +} + +static struct pipe_surface ** +nv84_video_buffer_surfaces(struct pipe_video_buffer *buffer) +{ + struct nv84_video_buffer *buf = (struct nv84_video_buffer *)buffer; + return buf->surfaces; +} + +static void +nv84_video_buffer_destroy(struct pipe_video_buffer *buffer) +{ + struct nv84_video_buffer *buf = (struct nv84_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); + } + + nouveau_bo_ref(NULL, &buf->interlaced); + nouveau_bo_ref(NULL, &buf->full); + + FREE(buffer); +} + +struct pipe_video_buffer * +nv84_video_buffer_create(struct pipe_context *pipe, + const struct pipe_video_buffer *template) +{ + struct nv84_video_buffer *buffer; + struct pipe_resource templ; + unsigned i, j, component; + struct pipe_sampler_view sv_templ; + struct pipe_surface surf_templ; + struct nv50_miptree *mt0, *mt1; + struct nouveau_bo *empty = NULL; + struct nouveau_screen *screen = &((struct nv50_context *)pipe)->screen->base; + union nouveau_bo_config cfg; + unsigned bo_size; + + if (getenv("XVMC_VL")) + return vl_video_buffer_create(pipe, template); + + if (!template->interlaced) { + debug_printf("Require interlaced video buffers\n"); + return NULL; + } + if (template->buffer_format != PIPE_FORMAT_NV12) { + debug_printf("Must use NV12 format\n"); + return NULL; + } + if (template->chroma_format != PIPE_VIDEO_CHROMA_FORMAT_420) { + debug_printf("Must use 4:2:0 format\n"); + return NULL; + } + + /* + * Note that there are always going to be exactly two planes, one for Y, + * and one for UV. These are also the resources. VP expects these to be + * adjacent, so they need to belong to the same BO. + */ + + buffer = CALLOC_STRUCT(nv84_video_buffer); + if (!buffer) return NULL; + + buffer->mvidx = -1; + + buffer->base.buffer_format = template->buffer_format; + buffer->base.context = pipe; + buffer->base.destroy = nv84_video_buffer_destroy; + buffer->base.chroma_format = template->chroma_format; + buffer->base.width = template->width; + buffer->base.height = template->height; + buffer->base.get_sampler_view_planes = nv84_video_buffer_sampler_view_planes; + buffer->base.get_sampler_view_components = nv84_video_buffer_sampler_view_components; + buffer->base.get_surfaces = nv84_video_buffer_surfaces; + buffer->base.interlaced = true; + + memset(&templ, 0, sizeof(templ)); + templ.target = PIPE_TEXTURE_2D_ARRAY; + templ.depth0 = 1; + templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; + templ.format = PIPE_FORMAT_R8_UNORM; + templ.width0 = align(template->width, 2); + templ.height0 = align(template->height, 4) / 2; + templ.flags = NV50_RESOURCE_FLAG_VIDEO; + templ.array_size = 2; + + cfg.nv50.tile_mode = 0x20; + cfg.nv50.memtype = 0x70; + + buffer->resources[0] = pipe->screen->resource_create(pipe->screen, &templ); + if (!buffer->resources[0]) + goto error; + + templ.format = PIPE_FORMAT_R8G8_UNORM; + templ.width0 /= 2; + templ.height0 /= 2; + buffer->resources[1] = pipe->screen->resource_create(pipe->screen, &templ); + if (!buffer->resources[1]) + goto error; + + mt0 = nv50_miptree(buffer->resources[0]); + mt1 = nv50_miptree(buffer->resources[1]); + + bo_size = mt0->total_size + mt1->total_size; + if (nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM | NOUVEAU_BO_NOSNOOP, 0, + bo_size, &cfg, &buffer->interlaced)) + goto error; + /* XXX Change reference frame management so that this is only allocated in + * the decoder when necessary. */ + if (nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM | NOUVEAU_BO_NOSNOOP, 0, + bo_size, &cfg, &buffer->full)) + goto error; + + mt0->base.bo = buffer->interlaced; + mt0->base.domain = NOUVEAU_BO_VRAM; + mt0->base.offset = 0; + mt0->base.address = buffer->interlaced->offset + mt0->base.offset; + nouveau_bo_ref(buffer->interlaced, &empty); + + mt1->base.bo = buffer->interlaced; + mt1->base.domain = NOUVEAU_BO_VRAM; + mt1->base.offset = mt0->layer_stride * 2; + mt1->base.address = buffer->interlaced->offset + mt1->base.offset; + nouveau_bo_ref(buffer->interlaced, &empty); + + memset(&sv_templ, 0, sizeof(sv_templ)); + for (component = 0, i = 0; i < 2; ++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 < 2; ++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: + nv84_video_buffer_destroy(&buffer->base); + return NULL; +} + +int +nv84_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 u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG4_AVC || + u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12; + case PIPE_VIDEO_CAP_NPOT_TEXTURES: + return 1; + case PIPE_VIDEO_CAP_MAX_WIDTH: + case PIPE_VIDEO_CAP_MAX_HEIGHT: + return 2048; + 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; + } +} + +boolean +nv84_screen_video_supported(struct pipe_screen *screen, + enum pipe_format format, + enum pipe_video_profile profile) +{ + if (profile != PIPE_VIDEO_PROFILE_UNKNOWN) + return format == PIPE_FORMAT_NV12; + + return vl_video_buffer_is_format_supported(screen, format, profile); +} |