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[host] d12: adjust backend API to allow multiple instances

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This commit is contained in:
Geoffrey McRae
2024-01-31 09:43:01 +11:00
parent 462d8187b6
commit c07b72883a
3 changed files with 90 additions and 51 deletions
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34
host/platform/Windows/capture/D12/backend.h
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@@ -25,7 +25,9 @@
#include <d3d12.h>
#include "interface/capture.h"
typedef struct D12Backend
typedef struct D12Backend D12Backend;
struct D12Backend
{
// friendly name
const char * name;
@@ -34,21 +36,37 @@ typedef struct D12Backend
const char * codeName;
// creation/init/free
bool (*create)(unsigned frameBuffers);
bool (*create)(D12Backend ** instance, unsigned frameBuffers);
bool (*init)(
D12Backend * instance,
bool debug,
ID3D12Device3 * device,
IDXGIAdapter1 * adapter,
IDXGIOutput * output);
bool (*deinit)(void);
void (*free)(void);
bool (*deinit)(D12Backend * instance);
void (*free)(D12Backend ** instance);
// capture callbacks
CaptureResult (*capture)(unsigned frameBufferIndex);
CaptureResult (*sync )(ID3D12CommandQueue * commandQueue);
ID3D12Resource * (*fetch )(unsigned frameBufferIndex);
CaptureResult (*capture)(D12Backend * instance,
unsigned frameBufferIndex);
CaptureResult (*sync)(D12Backend * instance,
ID3D12CommandQueue * commandQueue);
ID3D12Resource * (*fetch)(D12Backend * instance,
unsigned frameBufferIndex);
};
// helpers for the interface
static inline bool d12_createBackend(
D12Backend * backend, D12Backend ** instance, unsigned frameBuffers)
{
if (!backend->create(instance, frameBuffers))
return false;
memcpy(*instance, backend, sizeof(*backend));
return true;
}
D12Backend;
// apis for the backend
void d12_updatePointer(