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graphics-hook: Reduce variable scopes

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This commit is contained in:
jpark37 2021-05-15 20:15:17 -07:00 committed by Jim
parent 32f9fc120a
commit 3412f6fece
1 changed files with 26 additions and 37 deletions
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63
plugins/win-capture/graphics-hook/dxgi-capture.cpp
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@ -120,8 +120,6 @@ static HRESULT STDMETHODCALLTYPE hook_resize_buffers(IDXGISwapChain *swap,
DXGI_FORMAT format,
UINT flags)
{
HRESULT hr;
data.swap = nullptr;
data.capture = nullptr;
dxgi_possible_swap_queue = nullptr;
@ -133,7 +131,8 @@ static HRESULT STDMETHODCALLTYPE hook_resize_buffers(IDXGISwapChain *swap,
unhook(&resize_buffers);
resize_buffers_t call = (resize_buffers_t)resize_buffers.call_addr;
hr = call(swap, buffer_count, width, height, format, flags);
const HRESULT hr =
call(swap, buffer_count, width, height, format, flags);
rehook(&resize_buffers);
resize_buffers_called = true;
@ -143,10 +142,9 @@ static HRESULT STDMETHODCALLTYPE hook_resize_buffers(IDXGISwapChain *swap,
static inline IUnknown *get_dxgi_backbuffer(IDXGISwapChain *swap)
{
IDXGIResource *res = nullptr;
HRESULT hr;
IUnknown *res = nullptr;
hr = swap->GetBuffer(0, __uuidof(IUnknown), (void **)&res);
const HRESULT hr = swap->GetBuffer(0, IID_PPV_ARGS(&res));
if (FAILED(hr))
hlog_hr("get_dxgi_backbuffer: GetBuffer failed", hr);
@ -156,21 +154,18 @@ static inline IUnknown *get_dxgi_backbuffer(IDXGISwapChain *swap)
static HRESULT STDMETHODCALLTYPE hook_present(IDXGISwapChain *swap,
UINT sync_interval, UINT flags)
{
IUnknown *backbuffer = nullptr;
bool capture_overlay = global_hook_info->capture_overlay;
bool test_draw = (flags & DXGI_PRESENT_TEST) != 0;
bool capture;
HRESULT hr;
const bool capture_overlay = global_hook_info->capture_overlay;
const bool test_draw = (flags & DXGI_PRESENT_TEST) != 0;
if (!data.swap && !capture_active()) {
setup_dxgi(swap);
}
capture = !test_draw && swap == data.swap && !!data.capture;
const bool capture = !test_draw && swap == data.swap && data.capture;
if (capture && !capture_overlay) {
backbuffer = get_dxgi_backbuffer(swap);
IUnknown *backbuffer = get_dxgi_backbuffer(swap);
if (!!backbuffer) {
if (backbuffer) {
data.capture(swap, backbuffer, capture_overlay);
backbuffer->Release();
}
@ -179,7 +174,7 @@ static HRESULT STDMETHODCALLTYPE hook_present(IDXGISwapChain *swap,
dxgi_presenting = true;
unhook(&present);
present_t call = (present_t)present.call_addr;
hr = call(swap, sync_interval, flags);
const HRESULT hr = call(swap, sync_interval, flags);
rehook(&present);
dxgi_presenting = false;
dxgi_present_attempted = true;
@ -195,9 +190,9 @@ static HRESULT STDMETHODCALLTYPE hook_present(IDXGISwapChain *swap,
if (resize_buffers_called) {
resize_buffers_called = false;
} else {
backbuffer = get_dxgi_backbuffer(swap);
IUnknown *backbuffer = get_dxgi_backbuffer(swap);
if (!!backbuffer) {
if (backbuffer) {
data.capture(swap, backbuffer, capture_overlay);
backbuffer->Release();
}
@ -211,21 +206,18 @@ static HRESULT STDMETHODCALLTYPE
hook_present1(IDXGISwapChain1 *swap, UINT sync_interval, UINT flags,
const DXGI_PRESENT_PARAMETERS *params)
{
IUnknown *backbuffer = nullptr;
bool capture_overlay = global_hook_info->capture_overlay;
bool test_draw = (flags & DXGI_PRESENT_TEST) != 0;
bool capture;
HRESULT hr;
const bool capture_overlay = global_hook_info->capture_overlay;
const bool test_draw = (flags & DXGI_PRESENT_TEST) != 0;
if (!data.swap && !capture_active()) {
setup_dxgi(swap);
}
capture = !test_draw && swap == data.swap && !!data.capture;
const bool capture = !test_draw && swap == data.swap && data.capture;
if (capture && !capture_overlay) {
backbuffer = get_dxgi_backbuffer(swap);
IUnknown *backbuffer = get_dxgi_backbuffer(swap);
if (!!backbuffer) {
if (backbuffer) {
DXGI_SWAP_CHAIN_DESC1 desc;
swap->GetDesc1(&desc);
data.capture(swap, backbuffer, capture_overlay);
@ -236,7 +228,7 @@ hook_present1(IDXGISwapChain1 *swap, UINT sync_interval, UINT flags,
dxgi_presenting = true;
unhook(&present1);
present1_t call = (present1_t)present1.call_addr;
hr = call(swap, sync_interval, flags, params);
const HRESULT hr = call(swap, sync_interval, flags, params);
rehook(&present1);
dxgi_presenting = false;
dxgi_present_attempted = true;
@ -245,9 +237,9 @@ hook_present1(IDXGISwapChain1 *swap, UINT sync_interval, UINT flags,
if (resize_buffers_called) {
resize_buffers_called = false;
} else {
backbuffer = get_dxgi_backbuffer(swap);
IUnknown *backbuffer = get_dxgi_backbuffer(swap);
if (!!backbuffer) {
if (backbuffer) {
data.capture(swap, backbuffer, capture_overlay);
backbuffer->Release();
}
@ -260,24 +252,21 @@ hook_present1(IDXGISwapChain1 *swap, UINT sync_interval, UINT flags,
bool hook_dxgi(void)
{
HMODULE dxgi_module = get_system_module("dxgi.dll");
void *present_addr;
void *resize_addr;
void *present1_addr = nullptr;
void *release_addr = nullptr;
if (!dxgi_module) {
return false;
}
/* ---------------------- */
present_addr = get_offset_addr(dxgi_module,
global_hook_info->offsets.dxgi.present);
resize_addr = get_offset_addr(dxgi_module,
global_hook_info->offsets.dxgi.resize);
void *present_addr = get_offset_addr(
dxgi_module, global_hook_info->offsets.dxgi.present);
void *resize_addr = get_offset_addr(
dxgi_module, global_hook_info->offsets.dxgi.resize);
void *present1_addr = nullptr;
if (global_hook_info->offsets.dxgi.present1)
present1_addr = get_offset_addr(
dxgi_module, global_hook_info->offsets.dxgi.present1);
void *release_addr = nullptr;
if (global_hook_info->offsets.dxgi2.release)
release_addr = get_offset_addr(
dxgi_module, global_hook_info->offsets.dxgi2.release);