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[c-host] more windows basics and ivshmem pointer init

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This commit is contained in:
Geoffrey McRae
2019-02-28 20:50:22 +11:00
parent 6894ed7d5c
commit d881df916e
5 changed files with 109 additions and 21 deletions
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41
c-host/windows/capture/dxgi.c
View File

@@ -45,6 +45,8 @@ struct iface
unsigned int width;
unsigned int height;
unsigned int pitch;
unsigned int stride;
};
static bool dpiDone = false;
@@ -184,9 +186,9 @@ static bool dxgi_init()
DEBUG_INFO("Device Descripion: %ls" , adapterDesc.Description);
DEBUG_INFO("Device Vendor ID : 0x%x" , adapterDesc.VendorId);
DEBUG_INFO("Device Device ID : 0x%x" , adapterDesc.DeviceId);
DEBUG_INFO("Device Video Mem : %u MB", (unsigned)(adapterDesc.DedicatedVideoMemory / 1048576));
DEBUG_INFO("Device Sys Mem : %u MB", (unsigned)(adapterDesc.DedicatedSystemMemory / 1048576));
DEBUG_INFO("Shared Sys Mem : %u MB", (unsigned)(adapterDesc.SharedSystemMemory / 1048576));
DEBUG_INFO("Device Video Mem : %u MiB", (unsigned)(adapterDesc.DedicatedVideoMemory / 1048576));
DEBUG_INFO("Device Sys Mem : %u MiB", (unsigned)(adapterDesc.DedicatedSystemMemory / 1048576));
DEBUG_INFO("Shared Sys Mem : %u MiB", (unsigned)(adapterDesc.SharedSystemMemory / 1048576));
DEBUG_INFO("Feature Level : 0x%x", this->featureLevel);
DEBUG_INFO("Capture Size : %u x %u", this->width, this->height);
@@ -294,6 +296,18 @@ static bool dxgi_init()
goto fail_release_output;
}
// map the texture simply to get the pitch and stride
D3D11_MAPPED_SUBRESOURCE mapping;
status = ID3D11DeviceContext_Map(this->deviceContext, (ID3D11Resource *)this->texture, 0, D3D11_MAP_READ, 0, &mapping);
if (FAILED(status))
{
DEBUG_WINERROR("Failed to map the texture", status);
goto fail_release_output;
}
this->pitch = mapping.RowPitch;
this->stride = mapping.RowPitch / 4;
ID3D11DeviceContext_Unmap(this->deviceContext, (ID3D11Resource *)this->texture, 0);
this->factory = factory;
this->adapter = adapter;
this->output = output;
@@ -370,6 +384,14 @@ static void dxgi_free()
this = NULL;
}
static unsigned int dxgi_getMaxFrameSize()
{
assert(this);
assert(this->initialized);
return this->height * this->pitch;
}
static CaptureResult dxgi_capture()
{
assert(this);
@@ -456,10 +478,11 @@ static CaptureResult dxgi_releaseFrame()
struct CaptureInterface Capture_DXGI =
{
.getName = dxgi_getName,
.create = dxgi_create,
.init = dxgi_init,
.deinit = dxgi_deinit,
.free = dxgi_free,
.capture = dxgi_capture
.getName = dxgi_getName,
.create = dxgi_create,
.init = dxgi_init,
.deinit = dxgi_deinit,
.free = dxgi_free,
.getMaxFrameSize = dxgi_getMaxFrameSize,
.capture = dxgi_capture
};

12
c-host/windows/platform.c
View File

@@ -85,6 +85,18 @@ int WINAPI WinMain(HINSTANCE hInstnace, HINSTANCE hPrevInstance, LPSTR lpCmdLine
os_shmemUnmap();
CloseHandle(shmemHandle);
if (result != 0)
{
MessageBoxA(
NULL,
"The Looking Glass host has terminated due to an error.\r\n"
"\r\n"
"For more information run the application in a command prompt.",
"Looking Glass Host",
MB_ICONERROR);
}
return result;
}