d3dcompiler: Implement D3DCompileFromFile().

dlls/d3dcompiler_43/compiler.c

@@ -1003,13 +1003,51 @@ HRESULT WINAPI D3DDisassemble(const void *data, SIZE_T size, UINT flags, const c
     return E_NOTIMPL;
 }
 
-HRESULT WINAPI D3DCompileFromFile(const WCHAR *filename, const D3D_SHADER_MACRO *defines, ID3DInclude *includes,
+HRESULT WINAPI D3DCompileFromFile(const WCHAR *filename, const D3D_SHADER_MACRO *defines, ID3DInclude *include,
         const char *entrypoint, const char *target, UINT flags1, UINT flags2, ID3DBlob **code, ID3DBlob **errors)
 {
-    FIXME("filename %s, defines %p, includes %p, entrypoint %s, target %s, flags1 %x, flags2 %x, code %p, errors %p\n",
-            debugstr_w(filename), defines, includes, debugstr_a(entrypoint), debugstr_a(target), flags1, flags2, code, errors);
+    char filename_a[MAX_PATH], *source = NULL;
+    DWORD source_size, read_size;
+    HANDLE file;
+    HRESULT hr;
 
-    return E_NOTIMPL;
+    TRACE("filename %s, defines %p, include %p, entrypoint %s, target %s, flags1 %#x, flags2 %#x, "
+            "code %p, errors %p.\n", debugstr_w(filename), defines, include, debugstr_a(entrypoint),
+            debugstr_a(target), flags1, flags2, code, errors);
+
+    file = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+    if (file == INVALID_HANDLE_VALUE)
+        return HRESULT_FROM_WIN32(GetLastError());
+
+    source_size = GetFileSize(file, NULL);
+    if (source_size == INVALID_FILE_SIZE)
+    {
+        hr = HRESULT_FROM_WIN32(GetLastError());
+        goto end;
+    }
+
+    if (!(source = heap_alloc(source_size)))
+    {
+        hr = E_OUTOFMEMORY;
+        goto end;
+    }
+
+    if (!ReadFile(file, source, source_size, &read_size, NULL) || read_size != source_size)
+    {
+        WARN("Failed to read file contents.\n");
+        hr = E_FAIL;
+        goto end;
+    }
+
+    WideCharToMultiByte(CP_ACP, 0, filename, -1, filename_a, sizeof(filename_a), NULL, NULL);
+
+    hr = D3DCompile(source, source_size, filename_a, defines, include, entrypoint, target,
+            flags1, flags2, code, errors);
+
+end:
+    heap_free(source);
+    CloseHandle(file);
+    return hr;
 }
 
 HRESULT WINAPI D3DLoadModule(const void *data, SIZE_T size, ID3D11Module **module)

dlls/d3dcompiler_43/tests/hlsl_d3d9.c

@@ -29,6 +29,9 @@ static pD3DCompile ppD3DCompile;
 static HRESULT (WINAPI *pD3DCompile2)(const void *data, SIZE_T data_size, const char *filename, const D3D_SHADER_MACRO *defines,
         ID3DInclude *include, const char *entrypoint, const char *target, UINT sflags, UINT eflags, UINT secondary_flags,
         const void *secondary_data, SIZE_T secondary_data_size, ID3DBlob **shader, ID3DBlob **error_messages);
+static HRESULT (WINAPI *pD3DCompileFromFile)(const WCHAR *filename, const D3D_SHADER_MACRO *defines,
+        ID3DInclude *include, const char *entrypoint, const char *target, UINT flags1, UINT flags2,
+        ID3DBlob **code, ID3DBlob **errors);
 static HRESULT (WINAPI *pD3DXGetShaderConstantTable)(const DWORD *byte_code, ID3DXConstantTable **constant_table);
 
 struct vec2
@@ -1331,6 +1334,7 @@ static BOOL load_d3dcompiler(void)
 #if D3D_COMPILER_VERSION == 47
     if (!(module = LoadLibraryA("d3dcompiler_47.dll"))) return FALSE;
     pD3DCompile2 = (void*)GetProcAddress(module, "D3DCompile2");
+    pD3DCompileFromFile = (void*)GetProcAddress(module, "D3DCompileFromFile");
 #else
     if (!(module = LoadLibraryA("d3dcompiler_43.dll"))) return FALSE;
 #endif
@@ -1490,6 +1494,42 @@ static void test_d3dcompile(void)
         blob = NULL;
     }
 
+    hr = pD3DCompileFromFile(L"nonexistent", NULL, NULL, "main", "vs_2_0", 0, 0, &blob, &errors);
+    ok(hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND), "Got hr %#x.\n", hr);
+    ok(!blob, "Got unexpected blob.\n");
+    ok(!errors, "Got unexpected errors.\n");
+
+    hr = pD3DCompileFromFile(filename, NULL, NULL, "main", "ps_2_0", 0, 0, &blob, &errors);
+    ok(hr == E_FAIL, "Got hr %#x.\n", hr);
+    ok(!blob, "Got unexpected blob.\n");
+    ok(!!errors, "Got unexpected errors.\n");
+    trace("%s.\n", (char *)ID3D10Blob_GetBufferPointer(errors));
+    ID3D10Blob_Release(errors);
+    errors = NULL;
+
+    hr = pD3DCompileFromFile(filename, NULL, &include.ID3DInclude_iface, "main", "ps_2_0", 0, 0, &blob, &errors);
+    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
+    todo_wine ok(!!blob, "Got unexpected blob.\n");
+    ok(!errors, "Got unexpected errors.\n");
+    if (blob)
+    {
+        ID3D10Blob_Release(blob);
+        blob = NULL;
+    }
+
+    /* Windows always seems to resolve includes from the initial file location
+     * instead of using the immediate parent, as it would be the case for
+     * standard C preprocessor includes. */
+    hr = pD3DCompileFromFile(filename, NULL, D3D_COMPILE_STANDARD_FILE_INCLUDE, "main", "ps_2_0", 0, 0, &blob, &errors);
+    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
+    todo_wine ok(!!blob, "Got unexpected blob.\n");
+    ok(!errors, "Got unexpected errors.\n");
+    if (blob)
+    {
+        ID3D10Blob_Release(blob);
+        blob = NULL;
+    }
+
     GetCurrentDirectoryW(MAX_PATH, directory);
     SetCurrentDirectoryW(temp_dir);
 
@@ -1515,6 +1555,16 @@ static void test_d3dcompile(void)
         blob = NULL;
     }
 
+    hr = pD3DCompileFromFile(L"source.ps", NULL, D3D_COMPILE_STANDARD_FILE_INCLUDE, "main", "ps_2_0", 0, 0, &blob, &errors);
+    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
+    todo_wine ok(!!blob, "Got unexpected blob.\n");
+    ok(!errors, "Got unexpected errors.\n");
+    if (blob)
+    {
+        ID3D10Blob_Release(blob);
+        blob = NULL;
+    }
+
     SetCurrentDirectoryW(directory);
 
 cleanup: