1// Copyright (C) 2024 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15syntax = "proto3";
16
17package gfxstream.guest.gles2;
18
19// Gfxstream's custom format for `glGetProgramBinary()` and `glProgramBinary()`.
20message ProgramBinaryInfo {
21    // Info about the program that can not be queried or recreated from the host
22    // program and must be saved in order to recreate the original guest program
23    // state.
24    message GuestProgramInfo {
25        // The uniform indices that were originally `samplerExternalOes`. These
26        // need to be explicitly saved because they are rewritten to `sampler2D`
27        // before being sent to the host.
28        repeated uint64 external_sampler_uniform_indices = 1;
29    }
30
31    GuestProgramInfo guest_program_info = 1;
32
33    message HostProgramInfo {
34        // The GLenum returned in glGetProgramBinary()'s `binaryFormat` parameter.
35        uint64 binary_format = 1;
36
37        // The bytes returned in glGetProgramBinary()'s `binary` parameter.
38        bytes binary = 2;
39    }
40
41    HostProgramInfo host_program_info = 2;
42}
43