d3dretrace: Add d3d9 prefix to d3d9 specific files.

[apitrace] / retrace / d3d9state_images.cpp

diff --git a/retrace/d3d9state_images.cpp b/retrace/d3d9state_images.cpp
new file mode 100644 (file)
index 0000000..855dede
--- /dev/null
+++ b/retrace/d3d9state_images.cpp
@@ -0,0 +1,100 @@
+/**************************************************************************
+ *
+ * Copyright 2011 Jose Fonseca
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include <assert.h>
+
+#include "image.hpp"
+#include "d3d9imports.hpp"
+
+
+namespace d3dstate {
+
+
+image::Image *
+getRenderTargetImage(IDirect3DDevice9 *pDevice) {
+    image::Image *image = NULL;
+    IDirect3DSurface9 *pRenderTarget = NULL;
+    D3DSURFACE_DESC Desc;
+    IDirect3DSurface9 *pStagingSurface = NULL;
+    D3DLOCKED_RECT LockedRect;
+    const unsigned char *src;
+    unsigned char *dst;
+    HRESULT hr;
+
+    hr = pDevice->GetRenderTarget(0, &pRenderTarget);
+    if (FAILED(hr)) {
+        goto no_rendertarget;
+    }
+    assert(pRenderTarget);
+
+    hr = pRenderTarget->GetDesc(&Desc);
+    assert(SUCCEEDED(hr));
+    assert(Desc.Format == D3DFMT_X8R8G8B8 || Desc.Format == D3DFMT_A8R8G8B8);
+
+    hr = pDevice->CreateOffscreenPlainSurface(Desc.Width, Desc.Height, Desc.Format, D3DPOOL_SYSTEMMEM, &pStagingSurface, NULL);
+    if (FAILED(hr)) {
+        goto no_staging;
+    }
+
+    hr = pDevice->GetRenderTargetData(pRenderTarget, pStagingSurface);
+    if (FAILED(hr)) {
+        goto no_rendertargetdata;
+    }
+
+    hr = pStagingSurface->LockRect(&LockedRect, NULL, D3DLOCK_READONLY);
+    if (FAILED(hr)) {
+        goto no_rendertargetdata;
+    }
+
+    image = new image::Image(Desc.Width, Desc.Height, 3, true);
+    if (!image) {
+        goto no_image;
+    }
+
+    dst = image->start();
+    src = (const unsigned char *)LockedRect.pBits;
+    for (unsigned y = 0; y < Desc.Height; ++y) {
+        for (unsigned x = 0; x < Desc.Width; ++x) {
+            dst[3*x + 0] = src[4*x + 2];
+            dst[3*x + 1] = src[4*x + 1];
+            dst[3*x + 2] = src[4*x + 0];
+        }
+        src += LockedRect.Pitch;
+        dst += image->stride();
+    }
+
+no_image:
+    pStagingSurface->UnlockRect();
+no_rendertargetdata:
+    pStagingSurface->Release();
+no_staging:
+    pRenderTarget->Release();
+no_rendertarget:
+    return image;
+}
+
+
+} /* namespace d3dstate */