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| -rw-r--r-- | src/core/hle/service/nx2_gsv.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/core/hle/service/nx2_gsv.h b/src/core/hle/service/nx2_gsv.h index 13d3beb8e9..177d879220 100644 --- a/src/core/hle/service/nx2_gsv.h +++ b/src/core/hle/service/nx2_gsv.h @@ -962,6 +962,8 @@ public: {435, &INx2GraphicsSystemSession::CalculateNativeImageSize, "CalculateNativeImageSize"}, {1402, &INx2GraphicsSystemSession::OpenNvsrvSession, "OpenNvsrvSession (guessed)"}, {1510, &INx2GraphicsSystemSession::CalculateRequirements, "CalculateRequirements"}, + {991, &INx2GraphicsSystemSession::CalculateDecoderImagePoolBuffer, + "CalculateDecoderImagePoolBuffer"}, }); } @@ -1124,6 +1126,36 @@ private: static_cast<u32>(layout.alignment >> 32)}); } + // nn::codec::CalculateDecoderImagePoolBuffer(size*, alignment*, VideoDecoderImagePreference, + // u32 count) sends 991(preference[16], u32 count) and reads result, u64 size, u64 alignment; + // the client raises the alignment to at least 4 KiB and rounds the size up to it. The + // preference (MakeDecodeImagePreference) holds an output layout code at word 1 (1/4 for + // format 3, which the movie player uses, read here as NV12) and (width - 1) | (height - 1) << 16 + // at word 2. Left to the auto stub, the reply words keep the request's, so the size became + // 0x167027f'00000001 and title 1's movie player aborted (main+0x19e5b58) when its first movie + // started. Sizes are block-linear NV12 (luma, then half-height chroma, 128-row blocks) or 4 + // bytes per pixel for the other codes; nothing is decoded into them yet. + void CalculateDecoderImagePoolBuffer(HLERequestContext& ctx) { + const auto* w = ctx.CommandBuffer(); + const u32 code = w[3]; + const u64 width = (w[4] & 0xFFFF) + 1; + const u64 height = (w[4] >> 16) + 1; + const u32 count = std::max<u32>(w[18], 1); + constexpr u64 BlockRows = 128; + const bool nv12 = code == 1 || code == 4; + const u64 pitch = Common::AlignUp(width * (nv12 ? 1 : 4), 64); + u64 size = pitch * Common::AlignUp(height, BlockRows); + if (nv12) { + size += pitch * Common::AlignUp((height + 1) / 2, BlockRows); + } + size *= count; + const u64 alignment = 64 * BlockRows; + LOG_INFO(Service, "nx2:gsv 991 decoder image pool code={} {}x{} count={} -> size={:#x}", + code, width, height, count, size); + TipcReplyWords(ctx, {static_cast<u32>(size), static_cast<u32>(size >> 32), + static_cast<u32>(alignment), static_cast<u32>(alignment >> 32)}); + } + // 435(preference[16], u32 count): result, u64 size of a GPU native image. void CalculateNativeImageSize(HLERequestContext& ctx) { const auto* w = ctx.CommandBuffer(); |