MythRenderD3D9: Update video textures directly from hardware decoded …

…surfaces.
MythTV · Feb 25, 2011 · 8de92f1 · 8de92f1
1 parent 3525239
commit 8de92f1
Show file tree

Hide file tree

Showing 2 changed files with 21 additions and 3 deletions.
diff --git a/mythtv/libs/libmythui/mythrender_d3d9.cpp b/mythtv/libs/libmythui/mythrender_d3d9.cpp
@@ -92,6 +92,13 @@ bool D3D9Image::SetAsRenderTarget(void)
     return m_valid;
 }
 
+bool D3D9Image::UpdateImage(IDirect3DSurface9 *surface)
+{
+    if (m_valid)
+        return m_render->StretchRect(m_texture, surface, false);
+    return false;
+}
+
 bool D3D9Image::UpdateImage(const MythImage *img)
 {
     bool result = true;
@@ -493,11 +500,18 @@ bool MythRenderD3D9::End(void)
     return true;
 }
 
+void MythRenderD3D9::CopyFrame(void* surface, D3D9Image *img)
+{
+    if (surface && img)
+        img->UpdateImage((IDirect3DSurface9*)surface);
+}
+
 bool MythRenderD3D9::StretchRect(IDirect3DTexture9 *texture,
-                              IDirect3DSurface9 *surface)
+                                 IDirect3DSurface9 *surface,
+                                 bool known_surface)
 {
     if (!m_textures.contains(texture) ||
-        !m_surfaces.contains(surface))
+       (known_surface && !m_surfaces.contains(surface)))
         return false;
 
     QMutexLocker locker(&m_lock);

diff --git a/mythtv/libs/libmythui/mythrender_d3d9.h b/mythtv/libs/libmythui/mythrender_d3d9.h
@@ -20,6 +20,7 @@ class MUI_PUBLIC D3D9Image
     bool     IsValid(void) const { return m_valid; }
     QSize    GetSize(void) const { return m_size;  }
     bool     SetAsRenderTarget(void);
+    bool     UpdateImage(IDirect3DSurface9 *surface);
     bool     UpdateImage(const MythImage *img);
     bool     UpdateVertices(const QRect &dvr, const QRect &vr, int alpha = 255,
                             bool video = false);
@@ -46,10 +47,13 @@ class MUI_PUBLIC MythRenderD3D9
     bool Create(QSize size, HWND window);
     bool Test(bool &reset);
 
+    IDirect3DDevice9* GetDevice(void) { return m_d3dDevice; }
     bool ClearBuffer(void);
     bool Begin(void);
     bool End(void);
-    bool StretchRect(IDirect3DTexture9 *texture, IDirect3DSurface9 *surface);
+    void CopyFrame(void* surface, D3D9Image *img);
+    bool StretchRect(IDirect3DTexture9 *texture, IDirect3DSurface9 *surface,
+                     bool known_surface = true);
     bool DrawTexturedQuad(IDirect3DVertexBuffer9 *vertexbuffer);
     void DrawRect(const QRect &rect,  const QColor &color);
     bool Present(HWND win);