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Add renderer readback command contract

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This commit is contained in:
omigamedev
2026-06-02 15:10:44 +02:00
parent a6a4e7b249
commit c58b9a3718
9 changed files with 255 additions and 11 deletions
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28
tools/pano_cli/main.cpp
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@@ -2202,11 +2202,18 @@ int record_render(int argc, char** argv)
}
pp::renderer::RecordingRenderDevice device;
pp::renderer::RecordingTexture2D texture(pp::renderer::TextureDesc {
.extent = pp::renderer::Extent2D { .width = args.width, .height = args.height },
.format = pp::renderer::TextureFormat::rgba8,
.render_target = true,
});
pp::renderer::RecordingRenderTarget target(pp::renderer::TextureDesc {
.extent = pp::renderer::Extent2D { .width = args.width, .height = args.height },
.format = pp::renderer::TextureFormat::rgba8,
.render_target = true,
});
pp::renderer::RecordingReadbackBuffer readback_buffer(
static_cast<std::uint64_t>(args.width) * args.height * 4U);
pp::renderer::RecordingShaderProgram shader("pano-cli-record-render");
pp::renderer::RecordingMesh mesh(pp::renderer::MeshDesc {
.vertex_count = 3,
@@ -2249,12 +2256,31 @@ int record_render(int argc, char** argv)
return 2;
}
const auto readback_status = context.read_texture(
texture,
pp::renderer::ReadbackRegion {
.x = 0,
.y = 0,
.width = args.width,
.height = args.height,
},
readback_buffer);
if (!readback_status.ok()) {
print_error("record-render", readback_status.message);
return 2;
}
std::size_t draw_commands = 0;
std::size_t readback_commands = 0;
std::size_t trace_markers = 0;
std::uint64_t readback_bytes = 0;
const auto commands = device.commands();
for (const auto& command : commands) {
if (command.kind == pp::renderer::RecordedRenderCommandKind::draw) {
++draw_commands;
} else if (command.kind == pp::renderer::RecordedRenderCommandKind::read_texture) {
++readback_commands;
readback_bytes += command.readback_bytes;
} else if (command.kind == pp::renderer::RecordedRenderCommandKind::trace_marker) {
++trace_markers;
}
@@ -2267,6 +2293,8 @@ int record_render(int argc, char** argv)
<< ",\"format\":\"rgba8\"}"
<< ",\"commands\":" << commands.size()
<< ",\"drawCommands\":" << draw_commands
<< ",\"readbackCommands\":" << readback_commands
<< ",\"readbackBytes\":" << readback_bytes
<< ",\"traceMarkers\":" << trace_markers
<< ",\"first\":\""
<< pp::renderer::recorded_render_command_kind_name(commands.front().kind)