[Mesa-dev] [PATCH 19/36] d3dadapter/present: Add new API to ID3DPresent

[Axel Davy]

The API will enable better support for the commonly
used DISCARD swapchain parameter.

Signed-off-by: Axel Davy <axel.davy at ens.fr>
---
 include/d3dadapter/present.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/include/d3dadapter/present.h b/include/d3dadapter/present.h
index 187843f..29d7a1a 100644
--- a/include/d3dadapter/present.h
+++ b/include/d3dadapter/present.h
@@ -35,6 +35,22 @@ typedef struct ID3DPresentGroup ID3DPresentGroup;
 typedef struct ID3DAdapter9 ID3DAdapter9;
 typedef struct D3DWindowBuffer D3DWindowBuffer;
 
+/* Available since version 1.3 */
+typedef struct _D3DPRESENT_PARAMETERS2_ {
+    /* Whether D3DSWAPEFFECT_DISCARD is allowed to release the
+     * D3DWindowBuffers in any order, and eventually with a delay.
+     * FALSE (Default): buffers should be released as soon as possible.
+     * TRUE: it is allowed to release some buffers with a delay, and in
+     * a random order. */
+    BOOL AllowDISCARDDelayedRelease;
+    /* User preference for D3DSWAPEFFECT_DISCARD with D3DPRESENT_INTERVAL_IMMEDIATE.
+     * FALSE (Default): User prefers presentation to occur as soon as possible,
+     * with potential tearings.
+     * TRUE: User prefers presentation to be tear free. Requires
+     * AllowDISCARDDelayedRelease to have any effect. */
+    BOOL TearFreeDISCARD;
+} D3DPRESENT_PARAMETERS2, *PD3DPRESENT_PARAMETERS2, *LPD3DPRESENT_PARAMETERS2;
+
 /* Presentation backend for drivers to display their brilliant work */
 typedef struct ID3DPresentVtbl
 {
@@ -75,6 +91,11 @@ typedef struct ID3DPresentVtbl
     BOOL (WINAPI *ResolutionMismatch)(ID3DPresent *This);
     HANDLE (WINAPI *CreateThread)(ID3DPresent *This, void *pThreadfunc, void *pParam);
     BOOL (WINAPI *WaitForThread)(ID3DPresent *This, HANDLE thread);
+    /* Available since version 1.3 */
+    HRESULT (WINAPI *SetPresentParameters2)(ID3DPresent *This, D3DPRESENT_PARAMETERS2 *pParameters);
+    BOOL (WINAPI *IsBufferReleased)(ID3DPresent *This, D3DWindowBuffer *buffer);
+    /* Wait a buffer gets released. */
+    HRESULT (WINAPI *WaitBufferReleaseEvent)(ID3DPresent *This);
 } ID3DPresentVtbl;
 
 struct ID3DPresent
@@ -106,6 +127,9 @@ struct ID3DPresent
 #define ID3DPresent_ResolutionMismatch(p) (p)->lpVtbl->ResolutionMismatch(p)
 #define ID3DPresent_CreateThread(p,a,b) (p)->lpVtbl->CreateThread(p,a,b)
 #define ID3DPresent_WaitForThread(p,a) (p)->lpVtbl->WaitForThread(p,a)
+#define ID3DPresent_SetPresentParameters2(p,a) (p)->lpVtbl->SetPresentParameters2(p,a)
+#define ID3DPresent_IsBufferReleased(p,a) (p)->lpVtbl->IsBufferReleased(p,a)
+#define ID3DPresent_WaitBufferReleaseEvent(p) (p)->lpVtbl->WaitBufferReleaseEvent(p)
 
 typedef struct ID3DPresentGroupVtbl
 {
-- 
2.10.2