sglez@google.com | 43f2b2c | 2013-07-24 17:48:03 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 Google Inc. |
| 3 | * |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #include "SkExample.h" |
| 11 | |
| 12 | #include "gl/GrGLUtil.h" |
| 13 | #include "gl/GrGLDefines.h" |
| 14 | #include "gl/GrGLInterface.h" |
| 15 | #include "SkApplication.h" |
| 16 | #include "SkCommandLineFlags.h" |
| 17 | #include "SkGpuDevice.h" |
| 18 | #include "SkGraphics.h" |
| 19 | |
| 20 | DEFINE_string2(match, m, NULL, "[~][^]substring[$] [...] of test name to run.\n" \ |
| 21 | "Multiple matches may be separated by spaces.\n" \ |
| 22 | "~ causes a matching test to always be skipped\n" \ |
| 23 | "^ requires the start of the test to match\n" \ |
| 24 | "$ requires the end of the test to match\n" \ |
| 25 | "^ and $ requires an exact match\n" \ |
| 26 | "If a test does not match any list entry,\n" \ |
| 27 | "it is skipped unless some list entry starts with ~"); |
| 28 | |
| 29 | void application_init() { |
| 30 | SkGraphics::Init(); |
| 31 | SkEvent::Init(); |
| 32 | } |
| 33 | |
| 34 | void application_term() { |
| 35 | SkEvent::Term(); |
| 36 | SkGraphics::Term(); |
| 37 | } |
| 38 | |
| 39 | SkExampleWindow::SkExampleWindow(void* hwnd) |
| 40 | : INHERITED(hwnd) { |
| 41 | fRegistry = SkExample::Registry::Head(); |
| 42 | fCurrExample = fRegistry->factory()(this); |
| 43 | |
| 44 | if (FLAGS_match.count()) { |
| 45 | for(int i = 0; i < FLAGS_match.count(); ++i) { |
| 46 | fMatchStrs.push(FLAGS_match[i]); |
| 47 | } |
| 48 | // Start with the a matching sample if possible. |
| 49 | bool found = this->findNextMatch(); |
| 50 | if (!found) { |
| 51 | SkDebugf("No matching SkExample found.\n"); |
| 52 | } |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | void SkExampleWindow::tearDownBackend() { |
| 57 | if (kGPU_DeviceType == fType) { |
| 58 | SkSafeUnref(fContext); |
| 59 | fContext = NULL; |
| 60 | |
| 61 | SkSafeUnref(fInterface); |
| 62 | fInterface = NULL; |
| 63 | |
| 64 | SkSafeUnref(fRenderTarget); |
| 65 | fRenderTarget = NULL; |
| 66 | |
| 67 | detach(); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | bool SkExampleWindow::setupBackend(DeviceType type) { |
| 72 | fType = type; |
| 73 | |
| 74 | this->setConfig(SkBitmap::kARGB_8888_Config); |
| 75 | this->setVisibleP(true); |
| 76 | this->setClipToBounds(false); |
| 77 | |
| 78 | bool result = attach(kNativeGL_BackEndType, 0 /*msaa*/, &fAttachmentInfo); |
| 79 | if (false == result) { |
| 80 | SkDebugf("Not possible to create backend.\n"); |
| 81 | detach(); |
| 82 | return false; |
| 83 | } |
| 84 | |
| 85 | fInterface = GrGLCreateNativeInterface(); |
| 86 | |
| 87 | SkASSERT(NULL != fInterface); |
| 88 | |
| 89 | fContext = GrContext::Create(kOpenGL_GrBackend, (GrBackendContext)fInterface); |
| 90 | SkASSERT(NULL != fContext); |
| 91 | |
| 92 | setupRenderTarget(); |
| 93 | |
| 94 | return true; |
| 95 | } |
| 96 | |
| 97 | void SkExampleWindow::setupRenderTarget() { |
| 98 | GrBackendRenderTargetDesc desc; |
| 99 | desc.fWidth = SkScalarRound(width()); |
| 100 | desc.fHeight = SkScalarRound(height()); |
| 101 | desc.fConfig = kSkia8888_GrPixelConfig; |
| 102 | desc.fOrigin = kBottomLeft_GrSurfaceOrigin; |
| 103 | desc.fSampleCnt = fAttachmentInfo.fSampleCount; |
| 104 | desc.fStencilBits = fAttachmentInfo.fStencilBits; |
| 105 | |
| 106 | GrGLint buffer; |
| 107 | GR_GL_GetIntegerv(fInterface, GR_GL_FRAMEBUFFER_BINDING, &buffer); |
| 108 | desc.fRenderTargetHandle = buffer; |
| 109 | |
| 110 | fRenderTarget = fContext->wrapBackendRenderTarget(desc); |
| 111 | |
| 112 | fContext->setRenderTarget(fRenderTarget); |
| 113 | } |
| 114 | |
| 115 | SkCanvas* SkExampleWindow::createCanvas() { |
| 116 | if (fType == kGPU_DeviceType) { |
| 117 | if (NULL != fContext && NULL != fRenderTarget) { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame^] | 118 | SkAutoTUnref<SkBaseDevice> device(new SkGpuDevice(fContext, fRenderTarget)); |
sglez@google.com | 43f2b2c | 2013-07-24 17:48:03 +0000 | [diff] [blame] | 119 | return new SkCanvas(device); |
| 120 | } |
| 121 | tearDownBackend(); |
| 122 | setupBackend(kRaster_DeviceType); |
| 123 | } |
| 124 | return INHERITED::createCanvas(); |
| 125 | } |
| 126 | |
| 127 | void SkExampleWindow::draw(SkCanvas* canvas) { |
| 128 | if (NULL != fCurrExample) { |
| 129 | fCurrExample->draw(canvas); |
| 130 | } |
| 131 | if (fType == kGPU_DeviceType) { |
| 132 | |
| 133 | SkASSERT(NULL != fContext); |
| 134 | fContext->flush(); |
| 135 | } |
| 136 | if (fType == kRaster_DeviceType) { |
| 137 | // need to send the raster bits to the (gpu) window |
| 138 | fContext->setRenderTarget(fRenderTarget); |
| 139 | const SkBitmap& bm = getBitmap(); |
| 140 | fRenderTarget->writePixels(0, 0, bm.width(), bm.height(), |
| 141 | kSkia8888_GrPixelConfig, |
| 142 | bm.getPixels(), |
| 143 | bm.rowBytes()); |
| 144 | } |
| 145 | INHERITED::present(); |
| 146 | } |
| 147 | |
| 148 | void SkExampleWindow::onSizeChange() { |
| 149 | setupRenderTarget(); |
| 150 | } |
| 151 | |
| 152 | #ifdef SK_BUILD_FOR_WIN |
| 153 | void SkExampleWindow::onHandleInval(const SkIRect& rect) { |
| 154 | RECT winRect; |
| 155 | winRect.top = rect.top(); |
| 156 | winRect.bottom = rect.bottom(); |
| 157 | winRect.right = rect.right(); |
| 158 | winRect.left = rect.left(); |
| 159 | InvalidateRect((HWND)this->getHWND(), &winRect, false); |
| 160 | } |
| 161 | #endif |
| 162 | |
| 163 | bool SkExampleWindow::findNextMatch() { |
| 164 | bool found = false; |
| 165 | // Avoid infinite loop by knowing where we started. |
| 166 | const SkExample::Registry* begin = fRegistry; |
| 167 | while (!found) { |
| 168 | fRegistry = fRegistry->next(); |
| 169 | if (NULL == fRegistry) { // Reached the end of the registered samples. GOTO head. |
| 170 | fRegistry = SkExample::Registry::Head(); |
| 171 | } |
| 172 | SkExample* next = fRegistry->factory()(this); |
| 173 | if (!SkCommandLineFlags::ShouldSkip(fMatchStrs, next->getName().c_str())) { |
| 174 | fCurrExample = next; |
| 175 | found = true; |
| 176 | } |
| 177 | if (begin == fRegistry) { // We looped through every sample without finding anything. |
| 178 | break; |
| 179 | } |
| 180 | } |
| 181 | return found; |
| 182 | } |
| 183 | |
| 184 | bool SkExampleWindow::onHandleChar(SkUnichar unichar) { |
| 185 | if ('n' == unichar) { |
| 186 | bool found = findNextMatch(); |
| 187 | if (!found) { |
| 188 | SkDebugf("No SkExample that matches your query\n"); |
| 189 | } |
| 190 | } |
| 191 | return true; |
| 192 | } |
| 193 | |
| 194 | SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) { |
| 195 | SkCommandLineFlags::Parse(argc, argv); |
| 196 | return new SkExampleWindow(hwnd); |
| 197 | } |