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-rw-r--r--src/views/win/SkOSWindow_win.cpp492
1 files changed, 492 insertions, 0 deletions
diff --git a/src/views/win/SkOSWindow_win.cpp b/src/views/win/SkOSWindow_win.cpp
new file mode 100644
index 0000000000..c59821a172
--- /dev/null
+++ b/src/views/win/SkOSWindow_win.cpp
@@ -0,0 +1,492 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "SkTypes.h"
+
+#if defined(SK_BUILD_FOR_WIN)
+
+#include <GL/gl.h>
+#include <d3d9.h>
+#include <WindowsX.h>
+#include "SkWGL.h"
+#include "SkWindow.h"
+#include "SkCanvas.h"
+#include "SkOSMenu.h"
+#include "SkTime.h"
+#include "SkUtils.h"
+
+#include "SkGraphics.h"
+
+#define INVALIDATE_DELAY_MS 200
+
+static SkOSWindow* gCurrOSWin;
+static HWND gEventTarget;
+
+#define WM_EVENT_CALLBACK (WM_USER+0)
+
+void post_skwinevent()
+{
+ PostMessage(gEventTarget, WM_EVENT_CALLBACK, 0, 0);
+}
+
+SkOSWindow::SkOSWindow(void* hWnd) : fHWND(hWnd),
+ fHGLRC(NULL),
+ fGLAttached(false),
+ fD3D9Device(NULL),
+ fD3D9Attached(FALSE) {
+ gEventTarget = (HWND)hWnd;
+}
+
+SkOSWindow::~SkOSWindow() {
+ if (NULL != fD3D9Device) {
+ ((IDirect3DDevice9*)fD3D9Device)->Release();
+ }
+ if (NULL != fHGLRC) {
+ wglDeleteContext((HGLRC)fHGLRC);
+ }
+}
+
+static SkKey winToskKey(WPARAM vk) {
+ static const struct {
+ WPARAM fVK;
+ SkKey fKey;
+ } gPair[] = {
+ { VK_BACK, kBack_SkKey },
+ { VK_CLEAR, kBack_SkKey },
+ { VK_RETURN, kOK_SkKey },
+ { VK_UP, kUp_SkKey },
+ { VK_DOWN, kDown_SkKey },
+ { VK_LEFT, kLeft_SkKey },
+ { VK_RIGHT, kRight_SkKey }
+ };
+ for (size_t i = 0; i < SK_ARRAY_COUNT(gPair); i++) {
+ if (gPair[i].fVK == vk) {
+ return gPair[i].fKey;
+ }
+ }
+ return kNONE_SkKey;
+}
+
+bool SkOSWindow::wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
+ switch (message) {
+ case WM_KEYDOWN: {
+ SkKey key = winToskKey(wParam);
+ if (kNONE_SkKey != key) {
+ this->handleKey(key);
+ return true;
+ }
+ } break;
+ case WM_KEYUP: {
+ SkKey key = winToskKey(wParam);
+ if (kNONE_SkKey != key) {
+ this->handleKeyUp(key);
+ return true;
+ }
+ } break;
+ case WM_UNICHAR:
+ this->handleChar(wParam);
+ return true;
+ case WM_CHAR: {
+ this->handleChar(SkUTF8_ToUnichar((char*)&wParam));
+ return true;
+ } break;
+ case WM_SIZE:
+ this->resize(lParam & 0xFFFF, lParam >> 16);
+ break;
+ case WM_PAINT: {
+ PAINTSTRUCT ps;
+ HDC hdc = BeginPaint(hWnd, &ps);
+ this->doPaint(hdc);
+ EndPaint(hWnd, &ps);
+ return true;
+ } break;
+
+ case WM_TIMER: {
+ RECT* rect = (RECT*)wParam;
+ InvalidateRect(hWnd, rect, FALSE);
+ KillTimer(hWnd, (UINT_PTR)rect);
+ delete rect;
+ return true;
+ } break;
+
+ case WM_LBUTTONDOWN:
+ this->handleClick(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), Click::kDown_State);
+ return true;
+
+ case WM_MOUSEMOVE:
+ this->handleClick(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), Click::kMoved_State);
+ return true;
+
+ case WM_LBUTTONUP:
+ this->handleClick(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), Click::kUp_State);
+ return true;
+
+ case WM_EVENT_CALLBACK:
+ if (SkEvent::ProcessEvent()) {
+ post_skwinevent();
+ }
+ return true;
+ }
+ return false;
+}
+
+void SkOSWindow::doPaint(void* ctx) {
+ this->update(NULL);
+
+ if (!fGLAttached && !fD3D9Attached)
+ {
+ HDC hdc = (HDC)ctx;
+ const SkBitmap& bitmap = this->getBitmap();
+
+ BITMAPINFO bmi;
+ memset(&bmi, 0, sizeof(bmi));
+ bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ bmi.bmiHeader.biWidth = bitmap.width();
+ bmi.bmiHeader.biHeight = -bitmap.height(); // top-down image
+ bmi.bmiHeader.biPlanes = 1;
+ bmi.bmiHeader.biBitCount = 32;
+ bmi.bmiHeader.biCompression = BI_RGB;
+ bmi.bmiHeader.biSizeImage = 0;
+
+ //
+ // Do the SetDIBitsToDevice.
+ //
+ // TODO(wjmaclean):
+ // Fix this call to handle SkBitmaps that have rowBytes != width,
+ // i.e. may have padding at the end of lines. The SkASSERT below
+ // may be ignored by builds, and the only obviously safe option
+ // seems to be to copy the bitmap to a temporary (contiguous)
+ // buffer before passing to SetDIBitsToDevice().
+ SkASSERT(bitmap.width() * bitmap.bytesPerPixel() == bitmap.rowBytes());
+ bitmap.lockPixels();
+ int iRet = SetDIBitsToDevice(hdc,
+ 0, 0,
+ bitmap.width(), bitmap.height(),
+ 0, 0,
+ 0, bitmap.height(),
+ bitmap.getPixels(),
+ &bmi,
+ DIB_RGB_COLORS);
+ bitmap.unlockPixels();
+ }
+}
+
+#if 0
+void SkOSWindow::updateSize()
+{
+ RECT r;
+ GetWindowRect((HWND)this->getHWND(), &r);
+ this->resize(r.right - r.left, r.bottom - r.top);
+}
+#endif
+
+void SkOSWindow::onHandleInval(const SkIRect& r) {
+ RECT* rect = new RECT;
+ rect->left = r.fLeft;
+ rect->top = r.fTop;
+ rect->right = r.fRight;
+ rect->bottom = r.fBottom;
+ SetTimer((HWND)fHWND, (UINT_PTR)rect, INVALIDATE_DELAY_MS, NULL);
+}
+
+void SkOSWindow::onAddMenu(const SkOSMenu* sk_menu)
+{
+}
+
+void SkOSWindow::onSetTitle(const char title[]){
+ SetWindowTextA((HWND)fHWND, title);
+}
+
+enum {
+ SK_MacReturnKey = 36,
+ SK_MacDeleteKey = 51,
+ SK_MacEndKey = 119,
+ SK_MacLeftKey = 123,
+ SK_MacRightKey = 124,
+ SK_MacDownKey = 125,
+ SK_MacUpKey = 126,
+
+ SK_Mac0Key = 0x52,
+ SK_Mac1Key = 0x53,
+ SK_Mac2Key = 0x54,
+ SK_Mac3Key = 0x55,
+ SK_Mac4Key = 0x56,
+ SK_Mac5Key = 0x57,
+ SK_Mac6Key = 0x58,
+ SK_Mac7Key = 0x59,
+ SK_Mac8Key = 0x5b,
+ SK_Mac9Key = 0x5c
+};
+
+static SkKey raw2key(uint32_t raw)
+{
+ static const struct {
+ uint32_t fRaw;
+ SkKey fKey;
+ } gKeys[] = {
+ { SK_MacUpKey, kUp_SkKey },
+ { SK_MacDownKey, kDown_SkKey },
+ { SK_MacLeftKey, kLeft_SkKey },
+ { SK_MacRightKey, kRight_SkKey },
+ { SK_MacReturnKey, kOK_SkKey },
+ { SK_MacDeleteKey, kBack_SkKey },
+ { SK_MacEndKey, kEnd_SkKey },
+ { SK_Mac0Key, k0_SkKey },
+ { SK_Mac1Key, k1_SkKey },
+ { SK_Mac2Key, k2_SkKey },
+ { SK_Mac3Key, k3_SkKey },
+ { SK_Mac4Key, k4_SkKey },
+ { SK_Mac5Key, k5_SkKey },
+ { SK_Mac6Key, k6_SkKey },
+ { SK_Mac7Key, k7_SkKey },
+ { SK_Mac8Key, k8_SkKey },
+ { SK_Mac9Key, k9_SkKey }
+ };
+
+ for (unsigned i = 0; i < SK_ARRAY_COUNT(gKeys); i++)
+ if (gKeys[i].fRaw == raw)
+ return gKeys[i].fKey;
+ return kNONE_SkKey;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////
+
+void SkEvent::SignalNonEmptyQueue()
+{
+ post_skwinevent();
+ //SkDebugf("signal nonempty\n");
+}
+
+static UINT_PTR gTimer;
+
+VOID CALLBACK sk_timer_proc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
+{
+ SkEvent::ServiceQueueTimer();
+ //SkDebugf("timer task fired\n");
+}
+
+void SkEvent::SignalQueueTimer(SkMSec delay)
+{
+ if (gTimer)
+ {
+ KillTimer(NULL, gTimer);
+ gTimer = NULL;
+ }
+ if (delay)
+ {
+ gTimer = SetTimer(NULL, 0, delay, sk_timer_proc);
+ //SkDebugf("SetTimer of %d returned %d\n", delay, gTimer);
+ }
+}
+
+
+#define USE_MSAA 0
+
+HGLRC create_gl(HWND hwnd) {
+ HDC dc = GetDC(hwnd);
+ SkWGLExtensions extensions;
+ if (!extensions.hasExtension(dc, "WGL_ARB_pixel_format")) {
+ return NULL;
+ }
+
+ HDC prevDC = wglGetCurrentDC();
+ HGLRC prevGLRC = wglGetCurrentContext();
+ PIXELFORMATDESCRIPTOR pfd;
+
+ int format = 0;
+
+ GLint iattrs[] = {
+ SK_WGL_DRAW_TO_WINDOW, TRUE,
+ SK_WGL_DOUBLE_BUFFER, TRUE,
+ SK_WGL_ACCELERATION, SK_WGL_FULL_ACCELERATION,
+ SK_WGL_SUPPORT_OPENGL, TRUE,
+ SK_WGL_COLOR_BITS, 24,
+ SK_WGL_ALPHA_BITS, 8,
+ SK_WGL_STENCIL_BITS, 8,
+
+ // these must be kept last
+ SK_WGL_SAMPLE_BUFFERS, TRUE,
+ SK_WGL_SAMPLES, 0,
+ 0,0
+ };
+ static const int kSampleBuffersValueIdx = SK_ARRAY_COUNT(iattrs) - 5;
+ static const int kSamplesValueIdx = SK_ARRAY_COUNT(iattrs) - 3;
+ if (USE_MSAA && extensions.hasExtension(dc, "WGL_ARB_multisample")) {
+ for (int samples = 16; samples > 1; --samples) {
+
+ iattrs[kSamplesValueIdx] = samples;
+ GLfloat fattrs[] = {0,0};
+ GLuint num;
+ int formats[64];
+ extensions.choosePixelFormat(dc, iattrs, fattrs, 64, formats, &num);
+ num = min(num,64);
+ for (GLuint i = 0; i < num; ++i) {
+ DescribePixelFormat(dc, formats[i], sizeof(pfd), &pfd);
+ if (SetPixelFormat(dc, formats[i], &pfd)) {
+ format = formats[i];
+ break;
+ }
+ }
+ }
+ }
+ if (0 == format) {
+ iattrs[kSampleBuffersValueIdx-1] = iattrs[kSampleBuffersValueIdx] = 0;
+ iattrs[kSamplesValueIdx-1] = iattrs[kSamplesValueIdx] = 0;
+ GLfloat fattrs[] = {0,0};
+ GLuint num;
+ extensions.choosePixelFormat(dc, iattrs, fattrs, 1, &format, &num);
+ DescribePixelFormat(dc, format, sizeof(pfd), &pfd);
+ BOOL set = SetPixelFormat(dc, format, &pfd);
+ SkASSERT(TRUE == set);
+ }
+
+ HGLRC glrc = wglCreateContext(dc);
+ SkASSERT(glrc);
+
+ wglMakeCurrent(prevDC, prevGLRC);
+ return glrc;
+}
+
+bool SkOSWindow::attachGL() {
+ if (NULL == fHGLRC) {
+ fHGLRC = create_gl((HWND)fHWND);
+ if (NULL == fHGLRC) {
+ return false;
+ }
+ glClearStencil(0);
+ glClearColor(0, 0, 0, 0);
+ glStencilMask(0xffffffff);
+ glClear(GL_STENCIL_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
+ }
+ if (wglMakeCurrent(GetDC((HWND)fHWND), (HGLRC)fHGLRC)) {
+ glViewport(0, 0, SkScalarRound(this->width()),
+ SkScalarRound(this->height()));
+ fGLAttached = true;
+ return true;
+ }
+ return false;
+}
+
+void SkOSWindow::detachGL() {
+ wglMakeCurrent(GetDC((HWND)fHWND), 0);
+ fGLAttached = false;
+}
+
+void SkOSWindow::presentGL() {
+ glFlush();
+ SwapBuffers(GetDC((HWND)fHWND));
+}
+
+IDirect3DDevice9* create_d3d9_device(HWND hwnd) {
+ HRESULT hr;
+
+ IDirect3D9* d3d9;
+ d3d9 = Direct3DCreate9(D3D_SDK_VERSION);
+ if (NULL == d3d9) {
+ return NULL;
+ }
+ D3DDEVTYPE devType = D3DDEVTYPE_HAL;
+ //D3DDEVTYPE devType = D3DDEVTYPE_REF;
+ DWORD qLevels;
+ DWORD qLevelsDepth;
+ D3DMULTISAMPLE_TYPE type;
+ for (type = D3DMULTISAMPLE_16_SAMPLES;
+ type >= D3DMULTISAMPLE_NONMASKABLE; --(*(DWORD*)&type)) {
+ hr = d3d9->CheckDeviceMultiSampleType(D3DADAPTER_DEFAULT,
+ devType, D3DFMT_D24S8, TRUE,
+ type, &qLevels);
+ qLevels = (hr == D3D_OK) ? qLevels : 0;
+ hr = d3d9->CheckDeviceMultiSampleType(D3DADAPTER_DEFAULT,
+ devType, D3DFMT_A8R8G8B8, TRUE,
+ type, &qLevelsDepth);
+ qLevelsDepth = (hr == D3D_OK) ? qLevelsDepth : 0;
+ qLevels = min(qLevels,qLevelsDepth);
+ if (qLevels > 0) {
+ break;
+ }
+ }
+ qLevels = 0;
+ IDirect3DDevice9* d3d9Device;
+ D3DPRESENT_PARAMETERS pres;
+ memset(&pres, 0, sizeof(pres));
+ pres.EnableAutoDepthStencil = TRUE;
+ pres.AutoDepthStencilFormat = D3DFMT_D24S8;
+ pres.BackBufferCount = 2;
+ pres.BackBufferFormat = D3DFMT_A8R8G8B8;
+ pres.BackBufferHeight = 0;
+ pres.BackBufferWidth = 0;
+ if (qLevels > 0) {
+ pres.MultiSampleType = type;
+ pres.MultiSampleQuality = qLevels-1;
+ } else {
+ pres.MultiSampleType = D3DMULTISAMPLE_NONE;
+ pres.MultiSampleQuality = 0;
+ }
+ pres.SwapEffect = D3DSWAPEFFECT_DISCARD;
+ pres.Windowed = TRUE;
+ pres.hDeviceWindow = hwnd;
+ pres.PresentationInterval = 1;
+ pres.Flags = 0;
+ hr = d3d9->CreateDevice(D3DADAPTER_DEFAULT,
+ devType,
+ hwnd,
+ D3DCREATE_HARDWARE_VERTEXPROCESSING,
+ &pres,
+ &d3d9Device);
+ D3DERR_INVALIDCALL;
+ if (SUCCEEDED(hr)) {
+ d3d9Device->Clear(0, NULL, D3DCLEAR_TARGET, 0xFFFFFFFF, 0, 0);
+ return d3d9Device;
+ }
+ return NULL;
+}
+
+// This needs some improvement. D3D doesn't have the same notion of attach/detach
+// as GL. However, just allowing GDI to write to the window after creating the
+// D3D device seems to work.
+// We need to handle resizing. On XP and earlier Reset() will trash all our textures
+// so we would need to inform the SkGpu/caches or just recreate them. On Vista+ we
+// could use an IDirect3DDevice9Ex and call ResetEx() to resize without trashing
+// everything. Currently we do nothing and the D3D9 image gets stretched/compressed
+// when resized.
+
+bool SkOSWindow::attachD3D9() {
+ if (NULL == fD3D9Device) {
+ fD3D9Device = (void*) create_d3d9_device((HWND)fHWND);
+ }
+ if (NULL != fD3D9Device) {
+ ((IDirect3DDevice9*)fD3D9Device)->BeginScene();
+ fD3D9Attached = true;
+ }
+ return fD3D9Attached;
+}
+
+void SkOSWindow::detachD3D9() {
+ if (NULL != fD3D9Device) {
+ ((IDirect3DDevice9*)fD3D9Device)->EndScene();
+ }
+ fD3D9Attached = false;
+}
+
+void SkOSWindow::presentD3D9() {
+ if (NULL != fD3D9Device) {
+ HRESULT hr;
+ hr = ((IDirect3DDevice9*)fD3D9Device)->EndScene();
+ SkASSERT(SUCCEEDED(hr));
+ hr = ((IDirect3DDevice9*)d3d9Device())->Present(NULL, NULL, NULL, NULL);
+ SkASSERT(SUCCEEDED(hr));
+ hr = ((IDirect3DDevice9*)fD3D9Device)->Clear(0,NULL,D3DCLEAR_TARGET |
+ D3DCLEAR_STENCIL, 0x0, 0,
+ 0);
+ SkASSERT(SUCCEEDED(hr));
+ hr = ((IDirect3DDevice9*)fD3D9Device)->BeginScene();
+ SkASSERT(SUCCEEDED(hr));
+ }
+}
+
+
+#endif
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