Move SkGLContext and some GrGLInterface implementations to skgputest module

tools/gpu/gl/command_buffer/GLContext_command_buffer.cpp

 
 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
+
 #include "SkOnce.h"
 #include "gl/GrGLInterface.h"
 #include "gl/GrGLAssembleInterface.h"
-#include "gl/command_buffer/SkCommandBufferGLContext.h"
+#include "gl/command_buffer/GLContext_command_buffer.h"
 #include "../ports/SkOSEnvironment.h"
 #include "../ports/SkOSLibrary.h"
 
 #if defined SK_BUILD_FOR_MAC
 
 // EGL doesn't exist on the mac, so expose what we need to get the command buffer's EGL running.
 typedef void *EGLDisplay;
 typedef unsigned int EGLBoolean;
 typedef void *EGLConfig;
 typedef void *EGLSurface;
@@ skipping 54 matching lines @@
 static DestroySurfaceProc gfDestroySurface = nullptr;
 static CreateContextProc gfCreateContext = nullptr;
 static DestroyContextProc gfDestroyContext = nullptr;
 static MakeCurrentProc gfMakeCurrent = nullptr;
 static SwapBuffersProc gfSwapBuffers = nullptr;
 static GetProcAddressProc gfGetProcAddress = nullptr;
 
 static void* gLibrary = nullptr;
 static bool gfFunctionsLoadedSuccessfully = false;
 
+namespace {
 static void load_command_buffer_functions() {
     if (!gLibrary) {
 #if defined _WIN32
         gLibrary = DynamicLoadLibrary("command_buffer_gles2.dll");
 #elif defined SK_BUILD_FOR_MAC
         gLibrary = DynamicLoadLibrary("libcommand_buffer_gles2.dylib");
 #else
         gLibrary = DynamicLoadLibrary("libcommand_buffer_gles2.so");
 #endif // defined _WIN32
         if (gLibrary) {
@@ skipping 22 matching lines @@
 }
 
 static GrGLFuncPtr command_buffer_get_gl_proc(void* ctx, const char name[]) {
     if (!gfFunctionsLoadedSuccessfully) {
         return nullptr;
     }
     return gfGetProcAddress(name);
 }
 
 SK_DECLARE_STATIC_ONCE(loadCommandBufferOnce);
-void LoadCommandBufferOnce() {
+static void load_command_buffer_once() {
     SkOnce(&loadCommandBufferOnce, load_command_buffer_functions);
 }
 
-const GrGLInterface* GrGLCreateCommandBufferInterface() {
-    LoadCommandBufferOnce();
+static const GrGLInterface* create_command_buffer_interface() {
+    load_command_buffer_once();
     if (!gfFunctionsLoadedSuccessfully) {
         return nullptr;
     }
     return GrGLAssembleGLESInterface(gLibrary, command_buffer_get_gl_proc);
 }
 
-SkCommandBufferGLContext::SkCommandBufferGLContext()
-    : fContext(EGL_NO_CONTEXT)
-    , fDisplay(EGL_NO_DISPLAY)
-    , fSurface(EGL_NO_SURFACE) {
+}  // anonymous namespace
+
+namespace sk_gpu_test {
+
+CommandBufferGLContext::CommandBufferGLContext()
+    : fContext(EGL_NO_CONTEXT), fDisplay(EGL_NO_DISPLAY), fSurface(EGL_NO_SURFACE) {
 
     static const EGLint configAttribs[] = {
         EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
         EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
         EGL_RED_SIZE, 8,
         EGL_GREEN_SIZE, 8,
         EGL_BLUE_SIZE, 8,
         EGL_ALPHA_SIZE, 8,
         EGL_NONE
     };
 
     static const EGLint surfaceAttribs[] = {
         EGL_WIDTH, 1,
         EGL_HEIGHT, 1,
         EGL_NONE
     };
 
     initializeGLContext(nullptr, configAttribs, surfaceAttribs);
 }
 
-SkCommandBufferGLContext::SkCommandBufferGLContext(void* nativeWindow, int msaaSampleCount) {
-    static const EGLint surfaceAttribs[] = { EGL_NONE };
+CommandBufferGLContext::CommandBufferGLContext(void *nativeWindow, int msaaSampleCount) {
+    static const EGLint surfaceAttribs[] = {EGL_NONE};
 
     EGLint configAttribs[] = {
-        EGL_RED_SIZE,       8,
-        EGL_GREEN_SIZE,     8,
-        EGL_BLUE_SIZE,      8,
-        EGL_ALPHA_SIZE,     8,
-        EGL_DEPTH_SIZE,     8,
-        EGL_STENCIL_SIZE,   8,
+        EGL_RED_SIZE, 8,
+        EGL_GREEN_SIZE, 8,
+        EGL_BLUE_SIZE, 8,
+        EGL_ALPHA_SIZE, 8,
+        EGL_DEPTH_SIZE, 8,
+        EGL_STENCIL_SIZE, 8,
         EGL_SAMPLE_BUFFERS, 1,
-        EGL_SAMPLES,        msaaSampleCount,
+        EGL_SAMPLES, msaaSampleCount,
         EGL_NONE
     };
     if (msaaSampleCount == 0) {
         configAttribs[12] = EGL_NONE;
     }
 
     initializeGLContext(nativeWindow, configAttribs, surfaceAttribs);
 }
 
-void SkCommandBufferGLContext::initializeGLContext(void* nativeWindow, const int* configAttribs,
-                                                   const int* surfaceAttribs) {
-    LoadCommandBufferOnce();
+void CommandBufferGLContext::initializeGLContext(void *nativeWindow, const int *configAttribs,
+                                                 const int *surfaceAttribs) {
+    load_command_buffer_once();
     if (!gfFunctionsLoadedSuccessfully) {
         SkDebugf("Command Buffer: Could not load EGL functions.\n");
         return;
     }
 
     // Make sure CHROMIUM_path_rendering is enabled for NVPR support.
     sk_setenv("CHROME_COMMAND_BUFFER_GLES2_ARGS", "--enable-gl-path-rendering");
     fDisplay = gfGetDisplay(EGL_DEFAULT_DISPLAY);
     if (EGL_NO_DISPLAY == fDisplay) {
         SkDebugf("Command Buffer: Could not create EGL display.\n");
         return;
     }
 
     EGLint majorVersion;
     EGLint minorVersion;
     if (!gfInitialize(fDisplay, &majorVersion, &minorVersion)) {
         SkDebugf("Command Buffer: Could not initialize EGL display.\n");
         this->destroyGLContext();
         return;
     }
 
     EGLint numConfigs;
-    if (!gfChooseConfig(fDisplay, configAttribs, static_cast<EGLConfig*>(&fConfig), 1,
+    if (!gfChooseConfig(fDisplay, configAttribs, static_cast<EGLConfig *>(&fConfig), 1,
                         &numConfigs) || numConfigs != 1) {
         SkDebugf("Command Buffer: Could not choose EGL config.\n");
         this->destroyGLContext();
         return;
     }
 
     if (nativeWindow) {
         fSurface = gfCreateWindowSurface(fDisplay,
                                          static_cast<EGLConfig>(fConfig),
-                                         (EGLNativeWindowType)nativeWindow,
+                                         (EGLNativeWindowType) nativeWindow,
                                          surfaceAttribs);
     } else {
         fSurface = gfCreatePbufferSurface(fDisplay,
                                           static_cast<EGLConfig>(fConfig),
                                           surfaceAttribs);
     }
     if (EGL_NO_SURFACE == fSurface) {
         SkDebugf("Command Buffer: Could not create EGL surface.\n");
         this->destroyGLContext();
         return;
     }
 
     static const EGLint contextAttribs[] = {
         EGL_CONTEXT_CLIENT_VERSION, 2,
         EGL_NONE
     };
     fContext = gfCreateContext(fDisplay, static_cast<EGLConfig>(fConfig), nullptr, contextAttribs);
     if (EGL_NO_CONTEXT == fContext) {
         SkDebugf("Command Buffer: Could not create EGL context.\n");
         this->destroyGLContext();
         return;
     }
 
     if (!gfMakeCurrent(fDisplay, fSurface, fSurface, fContext)) {
         SkDebugf("Command Buffer: Could not make EGL context current.\n");
         this->destroyGLContext();
         return;
     }
 
-    SkAutoTUnref<const GrGLInterface> gl(GrGLCreateCommandBufferInterface());
+    SkAutoTUnref<const GrGLInterface> gl(create_command_buffer_interface());
     if (nullptr == gl.get()) {
         SkDebugf("Command Buffer: Could not create CommandBuffer GL interface.\n");
         this->destroyGLContext();
         return;
     }
     if (!gl->validate()) {
         SkDebugf("Command Buffer: Could not validate CommandBuffer GL interface.\n");
         this->destroyGLContext();
         return;
     }
 
     this->init(gl.release());
 }
 
-SkCommandBufferGLContext::~SkCommandBufferGLContext() {
+CommandBufferGLContext::~CommandBufferGLContext() {
     this->teardown();
     this->destroyGLContext();
 }
 
-void SkCommandBufferGLContext::destroyGLContext() {
+void CommandBufferGLContext::destroyGLContext() {
     if (!gfFunctionsLoadedSuccessfully) {
         return;
     }
     if (fDisplay) {
         gfMakeCurrent(fDisplay, 0, 0, 0);
 
         if (fContext) {
             gfDestroyContext(fDisplay, fContext);
             fContext = EGL_NO_CONTEXT;
         }
 
         if (fSurface) {
             gfDestroySurface(fDisplay, fSurface);
             fSurface = EGL_NO_SURFACE;
         }
 
         gfTerminate(fDisplay);
         fDisplay = EGL_NO_DISPLAY;
     }
 }
 
-void SkCommandBufferGLContext::onPlatformMakeCurrent() const {
+void CommandBufferGLContext::onPlatformMakeCurrent() const {
     if (!gfFunctionsLoadedSuccessfully) {
         return;
     }
     if (!gfMakeCurrent(fDisplay, fSurface, fSurface, fContext)) {
         SkDebugf("Command Buffer: Could not make EGL context current.\n");
     }
 }
 
-void SkCommandBufferGLContext::onPlatformSwapBuffers() const {
+void CommandBufferGLContext::onPlatformSwapBuffers() const {
     if (!gfFunctionsLoadedSuccessfully) {
         return;
     }
     if (!gfSwapBuffers(fDisplay, fSurface)) {
         SkDebugf("Command Buffer: Could not complete gfSwapBuffers.\n");
     }
 }
 
-GrGLFuncPtr SkCommandBufferGLContext::onPlatformGetProcAddress(const char* name) const {
+GrGLFuncPtr CommandBufferGLContext::onPlatformGetProcAddress(const char *name) const {
     if (!gfFunctionsLoadedSuccessfully) {
         return nullptr;
     }
     return gfGetProcAddress(name);
 }
 
-void SkCommandBufferGLContext::presentCommandBuffer() {
+void CommandBufferGLContext::presentCommandBuffer() {
     if (this->gl()) {
         this->gl()->fFunctions.fFlush();
     }
 
     this->onPlatformSwapBuffers();
 }
 
-bool SkCommandBufferGLContext::makeCurrent() {
+bool CommandBufferGLContext::makeCurrent() {
     return gfMakeCurrent(fDisplay, fSurface, fSurface, fContext) != EGL_FALSE;
 }
 
-int SkCommandBufferGLContext::getStencilBits() {
+int CommandBufferGLContext::getStencilBits() {
     EGLint result = 0;
     gfGetConfigAttrib(fDisplay, static_cast<EGLConfig>(fConfig), EGL_STENCIL_SIZE, &result);
     return result;
 }
 
-int SkCommandBufferGLContext::getSampleCount() {
+int CommandBufferGLContext::getSampleCount() {
     EGLint result = 0;
     gfGetConfigAttrib(fDisplay, static_cast<EGLConfig>(fConfig), EGL_SAMPLES, &result);
     return result;
 }
+
+}  // namespace sk_gpu_test