Dump D3D9 shader state.

diff --git a/retrace/d3dstate.cpp b/retrace/d3dstate.cpp
index 4fa89c2dde21f4a2b042f8f6a5d25be1d5b00e07..73746e7d14c9543ec4e2f91bcd0ad3b78579e876 100644 (file)
--- a/retrace/d3dstate.cpp
+++ b/retrace/d3dstate.cpp
@@ -24,6 +24,8 @@
  **************************************************************************/
 
 
+#include <stdio.h>
+
 #include <iostream>
 
 #include "d3d9imports.hpp"
@@ -33,11 +35,129 @@
 namespace d3dstate {
 
 
+typedef HRESULT
+(WINAPI *PD3DXDISASSEMBLESHADER)(
+    CONST DWORD *pShader,
+    BOOL EnableColorCode,
+    LPCSTR pComments,
+    LPD3DXBUFFER *ppDisassembly
+);
+
+
+HRESULT
+disassembleShader(const DWORD *tokens, LPD3DXBUFFER *ppDisassembly)
+{
+    static BOOL firsttime = TRUE;
+
+    /*
+     * TODO: Consider using d3dcompile_xx.dll per
+     * http://msdn.microsoft.com/en-us/library/windows/desktop/ee663275.aspx
+     */
+
+    static HMODULE hD3DXModule = NULL;
+    static PD3DXDISASSEMBLESHADER pfnD3DXDisassembleShader = NULL;
+
+    if (firsttime) {
+        if (!hD3DXModule) {
+            unsigned release;
+            int version;
+            for (release = 0; release <= 1; ++release) {
+                /* Version 41 corresponds to Mar 2009 version of DirectX Runtime / SDK */
+                for (version = 41; version >= 0; --version) {
+                    char filename[256];
+                    _snprintf(filename, sizeof(filename),
+                              "d3dx9%s%s%u.dll", release ? "" : "d", version ? "_" : "", version);
+                    hD3DXModule = LoadLibraryA(filename);
+                    if (hD3DXModule)
+                        goto found;
+                }
+            }
+found:
+            ;
+        }
+
+        if (hD3DXModule) {
+            if (!pfnD3DXDisassembleShader) {
+                pfnD3DXDisassembleShader = (PD3DXDISASSEMBLESHADER)GetProcAddress(hD3DXModule, "D3DXDisassembleShader");
+            }
+        }
+
+        firsttime = FALSE;
+    }
+
+    if (!pfnD3DXDisassembleShader) {
+        return E_FAIL;
+    }
+
+    return pfnD3DXDisassembleShader(tokens, FALSE, NULL, ppDisassembly);
+}
+
+
+template< class T >
+inline void
+dumpShader(JSONWriter &json, const char *name, T *pShader) {
+    if (!pShader) {
+        return;
+    }
+
+    HRESULT hr;
+
+    UINT SizeOfData = 0;
+
+    hr = pShader->GetFunction(NULL, &SizeOfData);
+    if (SUCCEEDED(hr)) {
+        void *pData;
+        pData = malloc(SizeOfData);
+        if (pData) {
+            hr = pShader->GetFunction(pData, &SizeOfData);
+            if (SUCCEEDED(hr)) {
+                LPD3DXBUFFER pDisassembly;
+
+                hr = disassembleShader((const DWORD *)pData, &pDisassembly);
+                if (SUCCEEDED(hr)) {
+                    json.beginMember(name);
+                    json.writeString((const char *)pDisassembly->GetBufferPointer() /*, pDisassembly->GetBufferSize() */);
+                    json.endMember();
+                    pDisassembly->Release();
+                }
+
+            }
+            free(pData);
+        }
+    }
+}
+
+static void
+dumpShaders(JSONWriter &json, IDirect3DDevice9 *pDevice)
+{
+    json.beginMember("shaders");
+
+    HRESULT hr;
+    json.beginObject();
+
+    IDirect3DVertexShader9 *pVertexShader = NULL;
+    hr = pDevice->GetVertexShader(&pVertexShader);
+    if (SUCCEEDED(hr)) {
+        dumpShader(json, "vertex", pVertexShader);
+    }
+
+    IDirect3DPixelShader9 *pPixelShader = NULL;
+    hr = pDevice->GetPixelShader(&pPixelShader);
+    if (SUCCEEDED(hr)) {
+        dumpShader(json, "pixel", pPixelShader);
+    }
+
+    json.endObject();
+    json.endMember(); // shaders
+}
+
 void
 dumpDevice(std::ostream &os, IDirect3DDevice9 *pDevice)
 {
     JSONWriter json(os);
 
+    dumpShaders(json, pDevice);
+
     /* TODO */
 }