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win-capture: Add trick to ensure game cap. shared tex support

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This new trick forgoes the use of patches and allows the ability to use
shared GPU resources despite being a Direct3D 9.0c context.
This commit is contained in:
jp9000
2016-08-08 21:54:06 -07:00
parent 27ac2cf940
commit 6d33f7e091
5 changed files with 128 additions and 5 deletions
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35
plugins/win-capture/graphics-hook/d3d9-capture.cpp
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@@ -223,14 +223,30 @@ static inline bool d3d9_shtex_init_shtex()
static inline bool d3d9_shtex_init_copytex()
{
uint8_t *patch_addr = get_d3d9_patch_addr(data.d3d9, data.patch);
struct d3d9_offsets offsets = global_hook_info->offsets.d3d9;
uint8_t *patch_addr = nullptr;
BOOL *p_is_d3d9 = nullptr;
uint8_t saved_data[MAX_PATCH_SIZE];
size_t patch_size = 0;
BOOL was_d3d9ex = false;
IDirect3DTexture9 *tex;
DWORD protect_val;
HRESULT hr;
if (patch_addr) {
if (offsets.d3d9_clsoff && offsets.is_d3d9ex_clsoff) {
uint8_t *device_ptr = (uint8_t*)(data.device);
uint8_t *d3d9_ptr =
*(uint8_t**)(device_ptr + offsets.d3d9_clsoff);
p_is_d3d9 = (BOOL*)(d3d9_ptr + offsets.is_d3d9ex_clsoff);
} else {
patch_addr = get_d3d9_patch_addr(data.d3d9, data.patch);
}
if (p_is_d3d9) {
was_d3d9ex = *p_is_d3d9;
*p_is_d3d9 = true;
} else if (patch_addr) {
patch_size = patch[data.patch].size;
VirtualProtect(patch_addr, patch_size, PAGE_EXECUTE_READWRITE,
&protect_val);
@@ -242,7 +258,10 @@ static inline bool d3d9_shtex_init_copytex()
D3DUSAGE_RENDERTARGET, data.d3d9_format,
D3DPOOL_DEFAULT, &tex, &data.handle);
if (patch_addr && patch_size) {
if (p_is_d3d9) {
*p_is_d3d9 = was_d3d9ex;
} else if (patch_addr && patch_size) {
memcpy(patch_addr, saved_data, patch_size);
VirtualProtect(patch_addr, patch_size, protect_val,
&protect_val);
@@ -449,6 +468,9 @@ static bool d3d9_init_format_swapchain(uint32_t &cx, uint32_t &cy, HWND &window)
static void d3d9_init(IDirect3DDevice9 *device)
{
IDirect3DDevice9Ex *d3d9ex = nullptr;
bool has_d3d9ex_bool_offset =
global_hook_info->offsets.d3d9.d3d9_clsoff &&
global_hook_info->offsets.d3d9.is_d3d9ex_clsoff;
bool success;
uint32_t cx = 0;
uint32_t cy = 0;
@@ -463,8 +485,10 @@ static void d3d9_init(IDirect3DDevice9 *device)
if (SUCCEEDED(hr)) {
d3d9ex->Release();
data.patch = -1;
} else {
} else if (!has_d3d9ex_bool_offset) {
data.patch = get_d3d9_patch(data.d3d9);
} else {
data.patch = -1;
}
if (!d3d9_init_format_backbuffer(cx, cy, window)) {
@@ -473,7 +497,8 @@ static void d3d9_init(IDirect3DDevice9 *device)
}
}
if (global_hook_info->force_shmem || (!d3d9ex && data.patch == -1)) {
if (global_hook_info->force_shmem ||
(!d3d9ex && data.patch == -1 && !has_d3d9ex_bool_offset)) {
success = d3d9_shmem_init(cx, cy, window);
} else {
success = d3d9_shtex_init(cx, cy, window);