[vlc-devel] [PATCH 2/3] direct3d11: support direct rendering of GPU textures coming from d3d11va
Steve Lhomme
robux4 at gmail.com
Tue Jun 2 16:16:02 CEST 2015
---
modules/video_output/msw/common.h | 1 -
modules/video_output/msw/direct3d11.c | 189 +++++++++++++++++++++++++++++-----
2 files changed, 165 insertions(+), 25 deletions(-)
diff --git a/modules/video_output/msw/common.h b/modules/video_output/msw/common.h
index fa03735..4f7389d 100644
--- a/modules/video_output/msw/common.h
+++ b/modules/video_output/msw/common.h
@@ -183,7 +183,6 @@ struct vout_display_sys_t
d3d_quad_cfg_t picQuadConfig;
ID3D11RenderTargetView *d3drenderTargetView;
ID3D11DepthStencilView *d3ddepthStencilView;
- picture_sys_t *picsys;
const char *d3dPxShader;
// SPU
diff --git a/modules/video_output/msw/direct3d11.c b/modules/video_output/msw/direct3d11.c
index 3eb105e..5621d21 100644
--- a/modules/video_output/msw/direct3d11.c
+++ b/modules/video_output/msw/direct3d11.c
@@ -83,6 +83,7 @@ static const d3d_format_t d3d_formats[] = {
{ "I420", DXGI_FORMAT_NV12, VLC_CODEC_I420, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8G8_UNORM },
{ "YV12", DXGI_FORMAT_NV12, VLC_CODEC_YV12, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8G8_UNORM },
{ "NV12", DXGI_FORMAT_NV12, VLC_CODEC_NV12, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8G8_UNORM },
+ { "VA_NV12", DXGI_FORMAT_NV12, VLC_CODEC_D3D11_OPAQUE, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8G8_UNORM },
#ifdef BROKEN_PIXEL
{ "YUY2", DXGI_FORMAT_YUY2, VLC_CODEC_I422, DXGI_FORMAT_R8G8B8A8_UNORM, 0 },
{ "AYUV", DXGI_FORMAT_AYUV, VLC_CODEC_YUVA, DXGI_FORMAT_R8G8B8A8_UNORM, 0 },
@@ -102,11 +103,14 @@ static const d3d_format_t d3d_formats[] = {
{ NULL, 0, 0, 0, 0}
};
+/* VLC_CODEC_D3D11_OPAQUE */
struct picture_sys_t
{
- ID3D11Texture2D *texture;
- ID3D11DeviceContext *context;
- vout_display_t *vd;
+ ID3D11VideoDecoderOutputView *decoder; /* we do not get access from here */
+ ID3D11Texture2D *texture;
+ ID3D11Device *device;
+ ID3D11DeviceContext *context;
+ HINSTANCE hd3d11_dll;
};
/* matches the D3D11_INPUT_ELEMENT_DESC we setup */
@@ -122,6 +126,8 @@ typedef struct d3d_vertex_t {
static int Open(vlc_object_t *);
static void Close(vlc_object_t *object);
+static picture_pool_t *Pool(vout_display_t *vd, unsigned count);
+
static void Prepare(vout_display_t *, picture_t *, subpicture_t *subpicture);
static void Display(vout_display_t *, picture_t *, subpicture_t *subpicture);
@@ -134,6 +140,10 @@ static void Direct3D11Close(vout_display_t *);
static int Direct3D11CreateResources (vout_display_t *, video_format_t *);
static void Direct3D11DestroyResources(vout_display_t *);
+static int Direct3D11CreatePool (vout_display_t *, video_format_t *);
+static void Direct3D11DestroyPool(vout_display_t *);
+
+static void DestroyD3D11Picture(picture_t *);
static int Direct3D11MapTexture(picture_t *);
static void Direct3D11DeleteRegions(int, picture_t **);
static int Direct3D11MapSubpicture(vout_display_t *, int *, picture_t ***, subpicture_t *);
@@ -449,11 +459,12 @@ static int Open(vlc_object_t *object)
}
vout_display_info_t info = vd->info;
- info.is_slow = true;
+ info.is_slow = fmt.i_chroma != VLC_CODEC_D3D11_OPAQUE;
info.has_double_click = true;
info.has_hide_mouse = false;
info.has_pictures_invalid = true;
info.has_event_thread = true;
+ info.has_pictures_invalid = fmt.i_chroma != VLC_CODEC_D3D11_OPAQUE;
if (var_InheritBool(vd, "direct3d11-hw-blending") &&
sys->d3dregion_format != DXGI_FORMAT_UNKNOWN)
@@ -465,7 +476,7 @@ static int Open(vlc_object_t *object)
video_format_Copy(&vd->fmt, &fmt);
vd->info = info;
- vd->pool = CommonPool;
+ vd->pool = Pool;
vd->prepare = Prepare;
vd->display = Display;
vd->control = CommonControl;
@@ -492,6 +503,105 @@ static void Close(vlc_object_t *object)
free(vd->sys);
}
+static picture_pool_t *Pool(vout_display_t *vd, unsigned pool_size)
+{
+ if ( vd->sys->pool != NULL )
+ return vd->sys->pool;
+
+ picture_t** pictures = NULL;
+ unsigned picture_count = 0;
+ HRESULT hr;
+
+ ID3D10Multithread *pMultithread;
+ hr = ID3D11Device_QueryInterface( vd->sys->d3ddevice, &IID_ID3D10Multithread, (void **)&pMultithread);
+ if (SUCCEEDED(hr)) {
+ ID3D10Multithread_SetMultithreadProtected(pMultithread, TRUE);
+ ID3D10Multithread_Release(pMultithread);
+ }
+
+ pictures = calloc(pool_size, sizeof(*pictures));
+ if (!pictures)
+ goto error;
+
+ D3D11_TEXTURE2D_DESC texDesc;
+ ZeroMemory(&texDesc, sizeof(texDesc));
+ texDesc.Width = vd->fmt.i_width;
+ texDesc.Height = vd->fmt.i_height;
+ texDesc.MipLevels = 1;
+ texDesc.Format = vd->sys->picQuadConfig.textureFormat;
+ texDesc.SampleDesc.Count = 1;
+ texDesc.MiscFlags = 0; //D3D11_RESOURCE_MISC_SHARED;
+ texDesc.ArraySize = 1;
+ texDesc.Usage = D3D11_USAGE_DYNAMIC;
+ texDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
+ texDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+
+ unsigned surface_count;
+ for (surface_count = 0; surface_count < pool_size; surface_count++) {
+ picture_sys_t *picsys = calloc(1, sizeof(*picsys));
+ if (unlikely(picsys == NULL))
+ goto error;
+
+ hr = ID3D11Device_CreateTexture2D( vd->sys->d3ddevice, &texDesc, NULL, &picsys->texture );
+ if (FAILED(hr)) {
+ msg_Err(vd, "CreateTexture2D %d failed. (hr=0x%0lx)", pool_size, hr);
+ goto error;
+ }
+
+ picsys->context = vd->sys->d3dcontext;
+ picsys->device = vd->sys->d3ddevice;
+
+ picture_resource_t resource = {
+ .p_sys = picsys,
+ .pf_destroy = DestroyD3D11Picture,
+ };
+
+ picture_t *picture = picture_NewFromResource(&vd->fmt, &resource);
+ if (unlikely(picture == NULL)) {
+ free(picsys);
+ goto error;
+ }
+
+ pictures[surface_count] = picture;
+ /* each picture_t holds a ref to the context and release it on Destroy */
+ ID3D11DeviceContext_AddRef(picsys->context);
+ /* each picture_t holds a ref to the DLL */
+ picsys->hd3d11_dll = LoadLibrary(TEXT("D3D11.DLL"));
+ }
+ msg_Dbg(vd, "ID3D11VideoDecoderOutputView succeed with %d surfaces (%dx%d)",
+ pool_size, vd->fmt.i_width, vd->fmt.i_height);
+
+ picture_pool_configuration_t pool_cfg;
+ memset(&pool_cfg, 0, sizeof(pool_cfg));
+ pool_cfg.picture_count = pool_size;
+ pool_cfg.picture = pictures;
+ pool_cfg.lock = Direct3D11MapTexture; /* TODO we only need to map once */
+
+ vd->sys->pool = picture_pool_NewExtended( &pool_cfg );
+
+error:
+ if (vd->sys->pool ==NULL && pictures) {
+ for (unsigned i=0;i<picture_count; ++i)
+ DestroyD3D11Picture(pictures[i]);
+ free(pictures);
+ }
+ return vd->sys->pool;
+}
+
+static void DestroyD3D11Picture(picture_t *picture)
+{
+ picture_sys_t *p_sys = picture->p_sys;
+ ID3D11DeviceContext_Release(p_sys->context);
+
+ if (p_sys->texture)
+ ID3D11Texture2D_Release(p_sys->texture);
+
+ FreeLibrary(p_sys->hd3d11_dll);
+
+ free(p_sys);
+ free(picture);
+}
+
static HRESULT UpdateBackBuffer(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
@@ -595,7 +705,21 @@ static void Manage(vout_display_t *vd)
static void Prepare(vout_display_t *vd, picture_t *picture, subpicture_t *subpicture)
{
vout_display_sys_t *sys = vd->sys;
- VLC_UNUSED(picture);
+
+ if (picture->format.i_chroma == VLC_CODEC_D3D11_OPAQUE) {
+ D3D11_BOX box;
+ box.left = 0;
+ box.right = picture->format.i_visible_width;
+ box.top = 0;
+ box.bottom = picture->format.i_visible_height;
+ box.back = 1;
+ box.front = 0;
+ ID3D11DeviceContext_CopySubresourceRegion(sys->d3dcontext,
+ (ID3D11Resource*) sys->picQuad.pTexture,
+ 0, 0, 0, 0,
+ (ID3D11Resource*) picture->p_sys->texture,
+ 0, &box);
+ }
#if VLC_WINSTORE_APP /* TODO: Choose the WinRT app background clear color */
float ClearColor[4] = { 1.0f, 0.125f, 0.3f, 1.0f };
@@ -933,6 +1057,7 @@ static int Direct3D11Open(vout_display_t *vd, video_format_t *fmt)
switch (fmt->i_chroma)
{
case VLC_CODEC_NV12:
+ case VLC_CODEC_D3D11_OPAQUE:
if( fmt->i_height > 576 )
sys->d3dPxShader = globPixelShaderBiplanarYUV_BT709_2RGB;
else
@@ -1228,18 +1353,36 @@ static int Direct3D11CreateResources(vout_display_t *vd, video_format_t *fmt)
ID3D11DeviceContext_PSSetSamplers(sys->d3dcontext, 0, 1, &d3dsampState);
ID3D11SamplerState_Release(d3dsampState);
- picture_sys_t *picsys = malloc(sizeof(*picsys));
+ if (Direct3D11CreatePool(vd, fmt))
+ {
+ msg_Err(vd, "Direct3D picture pool initialization failed");
+ return VLC_EGENERIC;
+ }
+
+ msg_Dbg(vd, "Direct3D11 resources created");
+ return VLC_SUCCESS;
+}
+
+static int Direct3D11CreatePool(vout_display_t *vd, video_format_t *fmt)
+{
+ vout_display_sys_t *sys = vd->sys;
+
+ if ( fmt->i_chroma == VLC_CODEC_D3D11_OPAQUE )
+ /* a D3D11VA pool will be created when needed */
+ return VLC_SUCCESS;
+
+ picture_sys_t *picsys = calloc(1, sizeof(*picsys));
if (unlikely(picsys == NULL)) {
return VLC_ENOMEM;
}
picsys->texture = sys->picQuad.pTexture;
picsys->context = sys->d3dcontext;
- picsys->vd = vd;
- picture_resource_t resource = { .p_sys = picsys };
- for (int i = 0; i < PICTURE_PLANE_MAX; i++)
- resource.p[i].i_lines = fmt->i_visible_height / (i > 0 ? 2 : 1);
+ picture_resource_t resource = {
+ .p_sys = picsys,
+ .pf_destroy = DestroyD3D11Picture,
+ };
picture_t *picture = picture_NewFromResource(fmt, &resource);
if (!picture) {
@@ -1248,7 +1391,6 @@ static int Direct3D11CreateResources(vout_display_t *vd, video_format_t *fmt)
}
ID3D11Texture2D_AddRef(picsys->texture);
ID3D11DeviceContext_AddRef(picsys->context);
- sys->picsys = picsys;
picture_pool_configuration_t pool_cfg;
memset(&pool_cfg, 0, sizeof(pool_cfg));
@@ -1262,10 +1404,18 @@ static int Direct3D11CreateResources(vout_display_t *vd, video_format_t *fmt)
return VLC_ENOMEM;
}
- msg_Dbg(vd, "Direct3D11 resources created");
return VLC_SUCCESS;
}
+static void Direct3D11DestroyPool(vout_display_t *vd)
+{
+ vout_display_sys_t *sys = vd->sys;
+
+ if (sys->pool)
+ picture_pool_Release(sys->pool);
+ sys->pool = NULL;
+}
+
static int AllocQuad(vout_display_t *vd, const video_format_t *fmt, d3d_quad_t *quad,
d3d_quad_cfg_t *cfg, ID3D11PixelShader *d3dpixelShader,
const float vertices[4 * sizeof(d3d_vertex_t)])
@@ -1358,14 +1508,7 @@ static void Direct3D11DestroyResources(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
- /* TODO: Destroy Shaders? */
- if (sys->pool) {
- picture_sys_t *picsys = sys->picsys;
- ID3D11Texture2D_Release(picsys->texture);
- ID3D11DeviceContext_Release(picsys->context);
- picture_pool_Release(sys->pool);
- }
- sys->pool = NULL;
+ Direct3D11DestroyPool(vd);
ReleaseQuad(&sys->picQuad);
Direct3D11DeleteRegions(sys->d3dregion_count, sys->d3dregions);
@@ -1388,10 +1531,8 @@ static int Direct3D11MapTexture(picture_t *picture)
int res;
hr = ID3D11DeviceContext_Map(picture->p_sys->context, (ID3D11Resource *)picture->p_sys->texture, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
if( FAILED(hr) )
- {
- msg_Dbg( picture->p_sys->vd, "failed to map the texture (hr=0x%lX)", hr );
return VLC_EGENERIC;
- }
+
res = CommonUpdatePicture(picture, NULL, mappedResource.pData, mappedResource.RowPitch);
ID3D11DeviceContext_Unmap(picture->p_sys->context,(ID3D11Resource *)picture->p_sys->texture, 0);
return res;
--
2.4.0
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