| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h" |
| |
| #include "third_party/khronos/GLES2/gl2.h" |
| #ifndef GL_GLEXT_PROTOTYPES |
| #define GL_GLEXT_PROTOTYPES 1 |
| #endif |
| #include "third_party/khronos/GLES2/gl2ext.h" |
| |
| #include <algorithm> |
| #include <map> |
| |
| #include "base/atomicops.h" |
| #include "base/bind.h" |
| #include "base/command_line.h" |
| #include "base/debug/trace_event.h" |
| #include "base/lazy_instance.h" |
| #include "base/logging.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/metrics/histogram.h" |
| #include "base/synchronization/lock.h" |
| #include "content/common/gpu/client/gpu_channel_host.h" |
| #include "content/public/common/content_constants.h" |
| #include "content/public/common/content_switches.h" |
| #include "gpu/GLES2/gl2extchromium.h" |
| #include "gpu/command_buffer/client/gles2_cmd_helper.h" |
| #include "gpu/command_buffer/client/gles2_implementation.h" |
| #include "gpu/command_buffer/client/gles2_lib.h" |
| #include "gpu/command_buffer/client/gles2_trace_implementation.h" |
| #include "gpu/command_buffer/client/transfer_buffer.h" |
| #include "gpu/command_buffer/common/constants.h" |
| #include "gpu/command_buffer/common/gpu_memory_allocation.h" |
| #include "gpu/command_buffer/common/mailbox.h" |
| #include "gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h" |
| #include "third_party/skia/include/core/SkTypes.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| static base::LazyInstance<base::Lock>::Leaky |
| g_all_shared_contexts_lock = LAZY_INSTANCE_INITIALIZER; |
| |
| typedef std::multimap<GpuChannelHost*, WebGraphicsContext3DCommandBufferImpl*> |
| ContextMap; |
| static base::LazyInstance<ContextMap> g_all_shared_contexts = |
| LAZY_INSTANCE_INITIALIZER; |
| |
| uint32_t GenFlushID() { |
| static base::subtle::Atomic32 flush_id = 0; |
| |
| base::subtle::Atomic32 my_id = base::subtle::Barrier_AtomicIncrement( |
| &flush_id, 1); |
| return static_cast<uint32_t>(my_id); |
| } |
| |
| // Singleton used to initialize and terminate the gles2 library. |
| class GLES2Initializer { |
| public: |
| GLES2Initializer() { |
| gles2::Initialize(); |
| } |
| |
| ~GLES2Initializer() { |
| gles2::Terminate(); |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(GLES2Initializer); |
| }; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| base::LazyInstance<GLES2Initializer> g_gles2_initializer = |
| LAZY_INSTANCE_INITIALIZER; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| } // namespace anonymous |
| |
| // Helper macros to reduce the amount of code. |
| |
| #define DELEGATE_TO_GL(name, glname) \ |
| void WebGraphicsContext3DCommandBufferImpl::name() { \ |
| gl_->glname(); \ |
| } |
| |
| #define DELEGATE_TO_GL_R(name, glname, rt) \ |
| rt WebGraphicsContext3DCommandBufferImpl::name() { \ |
| return gl_->glname(); \ |
| } |
| |
| #define DELEGATE_TO_GL_1(name, glname, t1) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ |
| gl_->glname(a1); \ |
| } |
| |
| #define DELEGATE_TO_GL_1R(name, glname, t1, rt) \ |
| rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ |
| return gl_->glname(a1); \ |
| } |
| |
| #define DELEGATE_TO_GL_1RB(name, glname, t1, rt) \ |
| rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ |
| return gl_->glname(a1) ? true : false; \ |
| } |
| |
| #define DELEGATE_TO_GL_2(name, glname, t1, t2) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ |
| gl_->glname(a1, a2); \ |
| } |
| |
| #define DELEGATE_TO_GL_2R(name, glname, t1, t2, rt) \ |
| rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ |
| return gl_->glname(a1, a2); \ |
| } |
| |
| #define DELEGATE_TO_GL_3(name, glname, t1, t2, t3) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3) { \ |
| gl_->glname(a1, a2, a3); \ |
| } |
| |
| #define DELEGATE_TO_GL_3R(name, glname, t1, t2, t3, rt) \ |
| rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3) { \ |
| return gl_->glname(a1, a2, a3); \ |
| } |
| |
| #define DELEGATE_TO_GL_4(name, glname, t1, t2, t3, t4) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4) { \ |
| gl_->glname(a1, a2, a3, a4); \ |
| } |
| |
| #define DELEGATE_TO_GL_4R(name, glname, t1, t2, t3, t4, rt) \ |
| rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4) { \ |
| return gl_->glname(a1, a2, a3, a4); \ |
| } |
| |
| #define DELEGATE_TO_GL_5(name, glname, t1, t2, t3, t4, t5) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5) { \ |
| gl_->glname(a1, a2, a3, a4, a5); \ |
| } |
| |
| #define DELEGATE_TO_GL_6(name, glname, t1, t2, t3, t4, t5, t6) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5, t6 a6) { \ |
| gl_->glname(a1, a2, a3, a4, a5, a6); \ |
| } |
| |
| #define DELEGATE_TO_GL_7(name, glname, t1, t2, t3, t4, t5, t6, t7) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5, t6 a6, \ |
| t7 a7) { \ |
| gl_->glname(a1, a2, a3, a4, a5, a6, a7); \ |
| } |
| |
| #define DELEGATE_TO_GL_8(name, glname, t1, t2, t3, t4, t5, t6, t7, t8) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5, t6 a6, \ |
| t7 a7, t8 a8) { \ |
| gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8); \ |
| } |
| |
| #define DELEGATE_TO_GL_9(name, glname, t1, t2, t3, t4, t5, t6, t7, t8, t9) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5, t6 a6, \ |
| t7 a7, t8 a8, t9 a9) { \ |
| gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8, a9); \ |
| } |
| |
| class WebGraphicsContext3DErrorMessageCallback |
| : public gpu::gles2::GLES2Implementation::ErrorMessageCallback { |
| public: |
| WebGraphicsContext3DErrorMessageCallback( |
| WebGraphicsContext3DCommandBufferImpl* context) |
| : graphics_context_(context) { |
| } |
| |
| virtual void OnErrorMessage(const char* msg, int id) OVERRIDE; |
| |
| private: |
| WebGraphicsContext3DCommandBufferImpl* graphics_context_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebGraphicsContext3DErrorMessageCallback); |
| }; |
| |
| void WebGraphicsContext3DErrorMessageCallback::OnErrorMessage( |
| const char* msg, int id) { |
| graphics_context_->OnErrorMessage(msg, id); |
| } |
| |
| WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits::SharedMemoryLimits() |
| : command_buffer_size(kDefaultCommandBufferSize), |
| start_transfer_buffer_size(kDefaultStartTransferBufferSize), |
| min_transfer_buffer_size(kDefaultMinTransferBufferSize), |
| max_transfer_buffer_size(kDefaultMaxTransferBufferSize), |
| mapped_memory_reclaim_limit(gpu::gles2::GLES2Implementation::kNoLimit) {} |
| |
| WebGraphicsContext3DCommandBufferImpl::WebGraphicsContext3DCommandBufferImpl( |
| int surface_id, |
| const GURL& active_url, |
| GpuChannelHost* host, |
| const Attributes& attributes, |
| bool bind_generates_resources, |
| const SharedMemoryLimits& limits) |
| : initialize_failed_(false), |
| visible_(false), |
| host_(host), |
| surface_id_(surface_id), |
| active_url_(active_url), |
| context_lost_callback_(0), |
| context_lost_reason_(GL_NO_ERROR), |
| error_message_callback_(0), |
| attributes_(attributes), |
| gpu_preference_(attributes.preferDiscreteGPU ? gfx::PreferDiscreteGpu |
| : gfx::PreferIntegratedGpu), |
| weak_ptr_factory_(this), |
| initialized_(false), |
| gl_(NULL), |
| bind_generates_resources_(bind_generates_resources), |
| mem_limits_(limits), |
| flush_id_(0) { |
| } |
| |
| WebGraphicsContext3DCommandBufferImpl:: |
| ~WebGraphicsContext3DCommandBufferImpl() { |
| if (real_gl_) { |
| real_gl_->SetErrorMessageCallback(NULL); |
| } |
| |
| Destroy(); |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::MaybeInitializeGL() { |
| if (initialized_) |
| return true; |
| |
| if (initialize_failed_) |
| return false; |
| |
| TRACE_EVENT0("gpu", "WebGfxCtx3DCmdBfrImpl::MaybeInitializeGL"); |
| |
| if (!CreateContext(surface_id_ != 0)) { |
| Destroy(); |
| initialize_failed_ = true; |
| return false; |
| } |
| |
| // TODO(twiz): This code is too fragile in that it assumes that only WebGL |
| // contexts will request noExtensions. |
| if (gl_ && attributes_.noExtensions) |
| gl_->EnableFeatureCHROMIUM("webgl_enable_glsl_webgl_validation"); |
| |
| command_buffer_->SetChannelErrorCallback( |
| base::Bind(&WebGraphicsContext3DCommandBufferImpl::OnGpuChannelLost, |
| weak_ptr_factory_.GetWeakPtr())); |
| |
| command_buffer_->SetOnConsoleMessageCallback( |
| base::Bind(&WebGraphicsContext3DCommandBufferImpl::OnErrorMessage, |
| weak_ptr_factory_.GetWeakPtr())); |
| |
| client_error_message_callback_.reset( |
| new WebGraphicsContext3DErrorMessageCallback(this)); |
| real_gl_->SetErrorMessageCallback(client_error_message_callback_.get()); |
| |
| // Set attributes_ from created offscreen context. |
| { |
| static const int pcount = 4; |
| static const GLenum pnames[pcount] = { |
| GL_ALPHA_BITS, |
| GL_DEPTH_BITS, |
| GL_STENCIL_BITS, |
| GL_SAMPLE_BUFFERS, |
| }; |
| GLint pvalues[pcount] = { 0, 0, 0, 0 }; |
| |
| gl_->GetMultipleIntegervCHROMIUM(pnames, pcount, |
| pvalues, sizeof(pvalues)); |
| |
| attributes_.alpha = pvalues[0] > 0; |
| attributes_.depth = pvalues[1] > 0; |
| attributes_.stencil = pvalues[2] > 0; |
| attributes_.antialias = pvalues[3] > 0; |
| } |
| |
| visible_ = true; |
| initialized_ = true; |
| return true; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::InitializeCommandBuffer( |
| bool onscreen) { |
| if (!host_.get()) |
| return false; |
| // We need to lock g_all_shared_contexts to ensure that the context we picked |
| // for our share group isn't deleted. |
| // (There's also a lock in our destructor.) |
| base::AutoLock lock(g_all_shared_contexts_lock.Get()); |
| CommandBufferProxyImpl* share_group = NULL; |
| if (attributes_.shareResources) { |
| ContextMap& all_contexts = g_all_shared_contexts.Get(); |
| ContextMap::const_iterator it = all_contexts.find(host_.get()); |
| if (it != all_contexts.end()) |
| share_group = it->second->command_buffer_.get(); |
| } |
| |
| std::vector<int32> attribs; |
| attribs.push_back(ALPHA_SIZE); |
| attribs.push_back(attributes_.alpha ? 8 : 0); |
| attribs.push_back(DEPTH_SIZE); |
| attribs.push_back(attributes_.depth ? 24 : 0); |
| attribs.push_back(STENCIL_SIZE); |
| attribs.push_back(attributes_.stencil ? 8 : 0); |
| attribs.push_back(SAMPLES); |
| attribs.push_back(attributes_.antialias ? 4 : 0); |
| attribs.push_back(SAMPLE_BUFFERS); |
| attribs.push_back(attributes_.antialias ? 1 : 0); |
| attribs.push_back(FAIL_IF_MAJOR_PERF_CAVEAT); |
| attribs.push_back(attributes_.failIfMajorPerformanceCaveat ? 1 : 0); |
| attribs.push_back(NONE); |
| |
| // Create a proxy to a command buffer in the GPU process. |
| if (onscreen) { |
| command_buffer_.reset(host_->CreateViewCommandBuffer( |
| surface_id_, |
| share_group, |
| attribs, |
| active_url_, |
| gpu_preference_)); |
| } else { |
| command_buffer_.reset(host_->CreateOffscreenCommandBuffer( |
| gfx::Size(1, 1), |
| share_group, |
| attribs, |
| active_url_, |
| gpu_preference_)); |
| } |
| |
| if (!command_buffer_) |
| return false; |
| |
| // Initialize the command buffer. |
| return command_buffer_->Initialize(); |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::CreateContext( |
| bool onscreen) { |
| // Ensure the gles2 library is initialized first in a thread safe way. |
| g_gles2_initializer.Get(); |
| |
| if (!command_buffer_ && |
| !InitializeCommandBuffer(onscreen)) { |
| return false; |
| } |
| |
| // Create the GLES2 helper, which writes the command buffer protocol. |
| gles2_helper_.reset(new gpu::gles2::GLES2CmdHelper(command_buffer_.get())); |
| if (!gles2_helper_->Initialize(mem_limits_.command_buffer_size)) |
| return false; |
| |
| if (attributes_.noAutomaticFlushes) |
| gles2_helper_->SetAutomaticFlushes(false); |
| |
| // Create a transfer buffer used to copy resources between the renderer |
| // process and the GPU process. |
| transfer_buffer_ .reset(new gpu::TransferBuffer(gles2_helper_.get())); |
| |
| DCHECK(host_.get()); |
| scoped_ptr<base::AutoLock> lock; |
| scoped_refptr<gpu::gles2::ShareGroup> share_group; |
| if (attributes_.shareResources) { |
| // Make sure two clients don't try to create a new ShareGroup |
| // simultaneously. |
| lock.reset(new base::AutoLock(g_all_shared_contexts_lock.Get())); |
| ContextMap& all_contexts = g_all_shared_contexts.Get(); |
| ContextMap::const_iterator it = all_contexts.find(host_.get()); |
| if (it != all_contexts.end()) { |
| share_group = it->second->GetImplementation()->share_group(); |
| DCHECK(share_group); |
| } |
| } |
| |
| const CommandLine& command_line = *CommandLine::ForCurrentProcess(); |
| bool free_command_buffer_when_invisible = |
| command_line.HasSwitch(switches::kEnablePruneGpuCommandBuffers); |
| |
| // Create the object exposing the OpenGL API. |
| real_gl_.reset(new gpu::gles2::GLES2Implementation( |
| gles2_helper_.get(), |
| share_group, |
| transfer_buffer_.get(), |
| bind_generates_resources_, |
| free_command_buffer_when_invisible, |
| command_buffer_.get())); |
| gl_ = real_gl_.get(); |
| |
| if (attributes_.shareResources) { |
| // Don't add ourselves to the list before others can get to our ShareGroup. |
| g_all_shared_contexts.Get().insert(std::make_pair(host_.get(), this)); |
| lock.reset(); |
| } |
| |
| if (!real_gl_->Initialize( |
| mem_limits_.start_transfer_buffer_size, |
| mem_limits_.min_transfer_buffer_size, |
| mem_limits_.max_transfer_buffer_size, |
| mem_limits_.mapped_memory_reclaim_limit)) { |
| return false; |
| } |
| |
| if (CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableGpuClientTracing)) { |
| trace_gl_.reset(new gpu::gles2::GLES2TraceImplementation(gl_)); |
| gl_ = trace_gl_.get(); |
| } |
| |
| return true; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::makeContextCurrent() { |
| if (!MaybeInitializeGL()) |
| return false; |
| gles2::SetGLContext(gl_); |
| if (command_buffer_->GetLastError() != gpu::error::kNoError) |
| return false; |
| |
| return true; |
| } |
| |
| uint32_t WebGraphicsContext3DCommandBufferImpl::lastFlushID() { |
| return flush_id_; |
| } |
| |
| DELEGATE_TO_GL_R(insertSyncPoint, InsertSyncPointCHROMIUM, unsigned int) |
| |
| void WebGraphicsContext3DCommandBufferImpl::Destroy() { |
| if (host_.get()) { |
| base::AutoLock lock(g_all_shared_contexts_lock.Get()); |
| ContextMap& all_contexts = g_all_shared_contexts.Get(); |
| ContextMap::iterator it = std::find( |
| all_contexts.begin(), |
| all_contexts.end(), |
| std::pair<GpuChannelHost* const, |
| WebGraphicsContext3DCommandBufferImpl*>(host_.get(), this)); |
| if (it != all_contexts.end()) |
| all_contexts.erase(it); |
| } |
| |
| if (gl_) { |
| // First flush the context to ensure that any pending frees of resources |
| // are completed. Otherwise, if this context is part of a share group, |
| // those resources might leak. Also, any remaining side effects of commands |
| // issued on this context might not be visible to other contexts in the |
| // share group. |
| gl_->Flush(); |
| gl_ = NULL; |
| } |
| |
| trace_gl_.reset(); |
| real_gl_.reset(); |
| transfer_buffer_.reset(); |
| gles2_helper_.reset(); |
| real_gl_.reset(); |
| |
| if (command_buffer_) { |
| if (host_.get()) |
| host_->DestroyCommandBuffer(command_buffer_.release()); |
| command_buffer_.reset(); |
| } |
| |
| host_ = NULL; |
| } |
| |
| // TODO(apatrick,piman): This should be renamed to something clearer. |
| int WebGraphicsContext3DCommandBufferImpl::GetGPUProcessID() { |
| return host_.get() ? host_->gpu_host_id() : 0; |
| } |
| |
| gpu::ContextSupport* |
| WebGraphicsContext3DCommandBufferImpl::GetContextSupport() { |
| return real_gl_.get(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::prepareTexture() { |
| NOTREACHED(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::postSubBufferCHROMIUM( |
| int x, int y, int width, int height) { |
| NOTREACHED(); |
| } |
| |
| DELEGATE_TO_GL_3(reshapeWithScaleFactor, ResizeCHROMIUM, int, int, float) |
| |
| void WebGraphicsContext3DCommandBufferImpl::synthesizeGLError( |
| WGC3Denum error) { |
| if (std::find(synthetic_errors_.begin(), synthetic_errors_.end(), error) == |
| synthetic_errors_.end()) { |
| synthetic_errors_.push_back(error); |
| } |
| } |
| |
| DELEGATE_TO_GL_4R(mapBufferSubDataCHROMIUM, MapBufferSubDataCHROMIUM, WGC3Denum, |
| WGC3Dintptr, WGC3Dsizeiptr, WGC3Denum, void*) |
| |
| DELEGATE_TO_GL_1(unmapBufferSubDataCHROMIUM, UnmapBufferSubDataCHROMIUM, |
| const void*) |
| |
| void* WebGraphicsContext3DCommandBufferImpl::mapTexSubImage2DCHROMIUM( |
| WGC3Denum target, |
| WGC3Dint level, |
| WGC3Dint xoffset, |
| WGC3Dint yoffset, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Denum format, |
| WGC3Denum type, |
| WGC3Denum access) { |
| return gl_->MapTexSubImage2DCHROMIUM( |
| target, level, xoffset, yoffset, width, height, format, type, access); |
| } |
| |
| DELEGATE_TO_GL_1(unmapTexSubImage2DCHROMIUM, UnmapTexSubImage2DCHROMIUM, |
| const void*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::setVisibilityCHROMIUM( |
| bool visible) { |
| NOTREACHED(); |
| } |
| |
| DELEGATE_TO_GL_3(discardFramebufferEXT, DiscardFramebufferEXT, WGC3Denum, |
| WGC3Dsizei, const WGC3Denum*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::copyTextureToParentTextureCHROMIUM( |
| WebGLId texture, WebGLId parentTexture) { |
| NOTIMPLEMENTED(); |
| } |
| |
| DELEGATE_TO_GL(rateLimitOffscreenContextCHROMIUM, |
| RateLimitOffscreenContextCHROMIUM) |
| |
| blink::WebString WebGraphicsContext3DCommandBufferImpl:: |
| getRequestableExtensionsCHROMIUM() { |
| return blink::WebString::fromUTF8( |
| gl_->GetRequestableExtensionsCHROMIUM()); |
| } |
| |
| DELEGATE_TO_GL_1(requestExtensionCHROMIUM, RequestExtensionCHROMIUM, |
| const char*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::blitFramebufferCHROMIUM( |
| WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, |
| WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, |
| WGC3Dbitfield mask, WGC3Denum filter) { |
| gl_->BlitFramebufferCHROMIUM( |
| srcX0, srcY0, srcX1, srcY1, |
| dstX0, dstY0, dstX1, dstY1, |
| mask, filter); |
| } |
| |
| DELEGATE_TO_GL_5(renderbufferStorageMultisampleCHROMIUM, |
| RenderbufferStorageMultisampleCHROMIUM, WGC3Denum, WGC3Dsizei, |
| WGC3Denum, WGC3Dsizei, WGC3Dsizei) |
| |
| DELEGATE_TO_GL_1R(createStreamTextureCHROMIUM, CreateStreamTextureCHROMIUM, |
| WebGLId, WebGLId) |
| |
| DELEGATE_TO_GL_1(destroyStreamTextureCHROMIUM, DestroyStreamTextureCHROMIUM, |
| WebGLId) |
| |
| DELEGATE_TO_GL_1(activeTexture, ActiveTexture, WGC3Denum) |
| |
| DELEGATE_TO_GL_2(attachShader, AttachShader, WebGLId, WebGLId) |
| |
| DELEGATE_TO_GL_3(bindAttribLocation, BindAttribLocation, WebGLId, |
| WGC3Duint, const WGC3Dchar*) |
| |
| DELEGATE_TO_GL_2(bindBuffer, BindBuffer, WGC3Denum, WebGLId) |
| |
| DELEGATE_TO_GL_2(bindFramebuffer, BindFramebuffer, WGC3Denum, WebGLId) |
| |
| DELEGATE_TO_GL_2(bindRenderbuffer, BindRenderbuffer, WGC3Denum, WebGLId) |
| |
| DELEGATE_TO_GL_2(bindTexture, BindTexture, WGC3Denum, WebGLId) |
| |
| DELEGATE_TO_GL_4(blendColor, BlendColor, |
| WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) |
| |
| DELEGATE_TO_GL_1(blendEquation, BlendEquation, WGC3Denum) |
| |
| DELEGATE_TO_GL_2(blendEquationSeparate, BlendEquationSeparate, |
| WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_2(blendFunc, BlendFunc, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_4(blendFuncSeparate, BlendFuncSeparate, |
| WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_4(bufferData, BufferData, |
| WGC3Denum, WGC3Dsizeiptr, const void*, WGC3Denum) |
| |
| DELEGATE_TO_GL_4(bufferSubData, BufferSubData, |
| WGC3Denum, WGC3Dintptr, WGC3Dsizeiptr, const void*) |
| |
| DELEGATE_TO_GL_1R(checkFramebufferStatus, CheckFramebufferStatus, |
| WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(clear, Clear, WGC3Dbitfield) |
| |
| DELEGATE_TO_GL_4(clearColor, ClearColor, |
| WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) |
| |
| DELEGATE_TO_GL_1(clearDepth, ClearDepthf, WGC3Dclampf) |
| |
| DELEGATE_TO_GL_1(clearStencil, ClearStencil, WGC3Dint) |
| |
| DELEGATE_TO_GL_4(colorMask, ColorMask, |
| WGC3Dboolean, WGC3Dboolean, WGC3Dboolean, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1(compileShader, CompileShader, WebGLId) |
| |
| DELEGATE_TO_GL_8(compressedTexImage2D, CompressedTexImage2D, |
| WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint, |
| WGC3Dsizei, WGC3Dsizei, const void*) |
| |
| DELEGATE_TO_GL_9(compressedTexSubImage2D, CompressedTexSubImage2D, |
| WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, |
| WGC3Denum, WGC3Dsizei, const void*) |
| |
| DELEGATE_TO_GL_8(copyTexImage2D, CopyTexImage2D, |
| WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint, |
| WGC3Dsizei, WGC3Dsizei, WGC3Dint) |
| |
| DELEGATE_TO_GL_8(copyTexSubImage2D, CopyTexSubImage2D, |
| WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, |
| WGC3Dsizei, WGC3Dsizei) |
| |
| DELEGATE_TO_GL_1(cullFace, CullFace, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(depthFunc, DepthFunc, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(depthMask, DepthMask, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_2(depthRange, DepthRangef, WGC3Dclampf, WGC3Dclampf) |
| |
| DELEGATE_TO_GL_2(detachShader, DetachShader, WebGLId, WebGLId) |
| |
| DELEGATE_TO_GL_1(disable, Disable, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(disableVertexAttribArray, DisableVertexAttribArray, |
| WGC3Duint) |
| |
| DELEGATE_TO_GL_3(drawArrays, DrawArrays, WGC3Denum, WGC3Dint, WGC3Dsizei) |
| |
| void WebGraphicsContext3DCommandBufferImpl::drawElements(WGC3Denum mode, |
| WGC3Dsizei count, |
| WGC3Denum type, |
| WGC3Dintptr offset) { |
| gl_->DrawElements( |
| mode, count, type, |
| reinterpret_cast<void*>(static_cast<intptr_t>(offset))); |
| } |
| |
| DELEGATE_TO_GL_1(enable, Enable, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(enableVertexAttribArray, EnableVertexAttribArray, |
| WGC3Duint) |
| |
| void WebGraphicsContext3DCommandBufferImpl::finish() { |
| flush_id_ = GenFlushID(); |
| gl_->Finish(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::flush() { |
| flush_id_ = GenFlushID(); |
| gl_->Flush(); |
| } |
| |
| DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer, |
| WGC3Denum, WGC3Denum, WGC3Denum, WebGLId) |
| |
| DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D, |
| WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint) |
| |
| DELEGATE_TO_GL_6(framebufferTexture2DMultisampleEXT, |
| FramebufferTexture2DMultisampleEXT, |
| WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint, WGC3Dsizei) |
| |
| DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum) |
| |
| bool WebGraphicsContext3DCommandBufferImpl::getActiveAttrib( |
| WebGLId program, WGC3Duint index, ActiveInfo& info) { |
| if (!program) { |
| synthesizeGLError(GL_INVALID_VALUE); |
| return false; |
| } |
| GLint max_name_length = -1; |
| gl_->GetProgramiv( |
| program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_name_length); |
| if (max_name_length < 0) |
| return false; |
| scoped_ptr<GLchar[]> name(new GLchar[max_name_length]); |
| if (!name) { |
| synthesizeGLError(GL_OUT_OF_MEMORY); |
| return false; |
| } |
| GLsizei length = 0; |
| GLint size = -1; |
| GLenum type = 0; |
| gl_->GetActiveAttrib( |
| program, index, max_name_length, &length, &size, &type, name.get()); |
| if (size < 0) { |
| return false; |
| } |
| info.name = blink::WebString::fromUTF8(name.get(), length); |
| info.type = type; |
| info.size = size; |
| return true; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::getActiveUniform( |
| WebGLId program, WGC3Duint index, ActiveInfo& info) { |
| GLint max_name_length = -1; |
| gl_->GetProgramiv( |
| program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max_name_length); |
| if (max_name_length < 0) |
| return false; |
| scoped_ptr<GLchar[]> name(new GLchar[max_name_length]); |
| if (!name) { |
| synthesizeGLError(GL_OUT_OF_MEMORY); |
| return false; |
| } |
| GLsizei length = 0; |
| GLint size = -1; |
| GLenum type = 0; |
| gl_->GetActiveUniform( |
| program, index, max_name_length, &length, &size, &type, name.get()); |
| if (size < 0) { |
| return false; |
| } |
| info.name = blink::WebString::fromUTF8(name.get(), length); |
| info.type = type; |
| info.size = size; |
| return true; |
| } |
| |
| DELEGATE_TO_GL_4(getAttachedShaders, GetAttachedShaders, |
| WebGLId, WGC3Dsizei, WGC3Dsizei*, WebGLId*) |
| |
| DELEGATE_TO_GL_2R(getAttribLocation, GetAttribLocation, |
| WebGLId, const WGC3Dchar*, WGC3Dint) |
| |
| DELEGATE_TO_GL_2(getBooleanv, GetBooleanv, WGC3Denum, WGC3Dboolean*) |
| |
| DELEGATE_TO_GL_3(getBufferParameteriv, GetBufferParameteriv, |
| WGC3Denum, WGC3Denum, WGC3Dint*) |
| |
| blink::WebGraphicsContext3D::Attributes |
| WebGraphicsContext3DCommandBufferImpl::getContextAttributes() { |
| return attributes_; |
| } |
| |
| WGC3Denum WebGraphicsContext3DCommandBufferImpl::getError() { |
| if (!synthetic_errors_.empty()) { |
| std::vector<WGC3Denum>::iterator iter = synthetic_errors_.begin(); |
| WGC3Denum err = *iter; |
| synthetic_errors_.erase(iter); |
| return err; |
| } |
| |
| return gl_->GetError(); |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::isContextLost() { |
| return initialize_failed_ || |
| (command_buffer_ && IsCommandBufferContextLost()) || |
| context_lost_reason_ != GL_NO_ERROR; |
| } |
| |
| DELEGATE_TO_GL_2(getFloatv, GetFloatv, WGC3Denum, WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(getFramebufferAttachmentParameteriv, |
| GetFramebufferAttachmentParameteriv, |
| WGC3Denum, WGC3Denum, WGC3Denum, WGC3Dint*) |
| |
| DELEGATE_TO_GL_2(getIntegerv, GetIntegerv, WGC3Denum, WGC3Dint*) |
| |
| DELEGATE_TO_GL_3(getProgramiv, GetProgramiv, WebGLId, WGC3Denum, WGC3Dint*) |
| |
| blink::WebString WebGraphicsContext3DCommandBufferImpl::getProgramInfoLog( |
| WebGLId program) { |
| GLint logLength = 0; |
| gl_->GetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength); |
| if (!logLength) |
| return blink::WebString(); |
| scoped_ptr<GLchar[]> log(new GLchar[logLength]); |
| if (!log) |
| return blink::WebString(); |
| GLsizei returnedLogLength = 0; |
| gl_->GetProgramInfoLog( |
| program, logLength, &returnedLogLength, log.get()); |
| DCHECK_EQ(logLength, returnedLogLength + 1); |
| blink::WebString res = |
| blink::WebString::fromUTF8(log.get(), returnedLogLength); |
| return res; |
| } |
| |
| DELEGATE_TO_GL_3(getRenderbufferParameteriv, GetRenderbufferParameteriv, |
| WGC3Denum, WGC3Denum, WGC3Dint*) |
| |
| DELEGATE_TO_GL_3(getShaderiv, GetShaderiv, WebGLId, WGC3Denum, WGC3Dint*) |
| |
| blink::WebString WebGraphicsContext3DCommandBufferImpl::getShaderInfoLog( |
| WebGLId shader) { |
| GLint logLength = 0; |
| gl_->GetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLength); |
| if (!logLength) |
| return blink::WebString(); |
| scoped_ptr<GLchar[]> log(new GLchar[logLength]); |
| if (!log) |
| return blink::WebString(); |
| GLsizei returnedLogLength = 0; |
| gl_->GetShaderInfoLog( |
| shader, logLength, &returnedLogLength, log.get()); |
| DCHECK_EQ(logLength, returnedLogLength + 1); |
| blink::WebString res = |
| blink::WebString::fromUTF8(log.get(), returnedLogLength); |
| return res; |
| } |
| |
| DELEGATE_TO_GL_4(getShaderPrecisionFormat, GetShaderPrecisionFormat, |
| WGC3Denum, WGC3Denum, WGC3Dint*, WGC3Dint*) |
| |
| blink::WebString WebGraphicsContext3DCommandBufferImpl::getShaderSource( |
| WebGLId shader) { |
| GLint logLength = 0; |
| gl_->GetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &logLength); |
| if (!logLength) |
| return blink::WebString(); |
| scoped_ptr<GLchar[]> log(new GLchar[logLength]); |
| if (!log) |
| return blink::WebString(); |
| GLsizei returnedLogLength = 0; |
| gl_->GetShaderSource( |
| shader, logLength, &returnedLogLength, log.get()); |
| if (!returnedLogLength) |
| return blink::WebString(); |
| DCHECK_EQ(logLength, returnedLogLength + 1); |
| blink::WebString res = |
| blink::WebString::fromUTF8(log.get(), returnedLogLength); |
| return res; |
| } |
| |
| blink::WebString WebGraphicsContext3DCommandBufferImpl:: |
| getTranslatedShaderSourceANGLE(WebGLId shader) { |
| GLint logLength = 0; |
| gl_->GetShaderiv( |
| shader, GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE, &logLength); |
| if (!logLength) |
| return blink::WebString(); |
| scoped_ptr<GLchar[]> log(new GLchar[logLength]); |
| if (!log) |
| return blink::WebString(); |
| GLsizei returnedLogLength = 0; |
| gl_->GetTranslatedShaderSourceANGLE( |
| shader, logLength, &returnedLogLength, log.get()); |
| if (!returnedLogLength) |
| return blink::WebString(); |
| DCHECK_EQ(logLength, returnedLogLength + 1); |
| blink::WebString res = |
| blink::WebString::fromUTF8(log.get(), returnedLogLength); |
| return res; |
| } |
| |
| blink::WebString WebGraphicsContext3DCommandBufferImpl::getString( |
| WGC3Denum name) { |
| return blink::WebString::fromUTF8( |
| reinterpret_cast<const char*>(gl_->GetString(name))); |
| } |
| |
| DELEGATE_TO_GL_3(getTexParameterfv, GetTexParameterfv, |
| WGC3Denum, WGC3Denum, WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(getTexParameteriv, GetTexParameteriv, |
| WGC3Denum, WGC3Denum, WGC3Dint*) |
| |
| DELEGATE_TO_GL_3(getUniformfv, GetUniformfv, WebGLId, WGC3Dint, WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(getUniformiv, GetUniformiv, WebGLId, WGC3Dint, WGC3Dint*) |
| |
| DELEGATE_TO_GL_2R(getUniformLocation, GetUniformLocation, |
| WebGLId, const WGC3Dchar*, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(getVertexAttribfv, GetVertexAttribfv, |
| WGC3Duint, WGC3Denum, WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(getVertexAttribiv, GetVertexAttribiv, |
| WGC3Duint, WGC3Denum, WGC3Dint*) |
| |
| WGC3Dsizeiptr WebGraphicsContext3DCommandBufferImpl::getVertexAttribOffset( |
| WGC3Duint index, WGC3Denum pname) { |
| GLvoid* value = NULL; |
| // NOTE: If pname is ever a value that returns more then 1 element |
| // this will corrupt memory. |
| gl_->GetVertexAttribPointerv(index, pname, &value); |
| return static_cast<WGC3Dsizeiptr>(reinterpret_cast<intptr_t>(value)); |
| } |
| |
| DELEGATE_TO_GL_2(hint, Hint, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_1RB(isBuffer, IsBuffer, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isEnabled, IsEnabled, WGC3Denum, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isFramebuffer, IsFramebuffer, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isProgram, IsProgram, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isRenderbuffer, IsRenderbuffer, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isShader, IsShader, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isTexture, IsTexture, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1(lineWidth, LineWidth, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_1(linkProgram, LinkProgram, WebGLId) |
| |
| DELEGATE_TO_GL_2(pixelStorei, PixelStorei, WGC3Denum, WGC3Dint) |
| |
| DELEGATE_TO_GL_2(polygonOffset, PolygonOffset, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_7(readPixels, ReadPixels, |
| WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei, WGC3Denum, |
| WGC3Denum, void*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::releaseShaderCompiler() { |
| } |
| |
| DELEGATE_TO_GL_4(renderbufferStorage, RenderbufferStorage, |
| WGC3Denum, WGC3Denum, WGC3Dsizei, WGC3Dsizei) |
| |
| DELEGATE_TO_GL_2(sampleCoverage, SampleCoverage, WGC3Dfloat, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_4(scissor, Scissor, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) |
| |
| void WebGraphicsContext3DCommandBufferImpl::shaderSource( |
| WebGLId shader, const WGC3Dchar* string) { |
| GLint length = strlen(string); |
| gl_->ShaderSource(shader, 1, &string, &length); |
| } |
| |
| DELEGATE_TO_GL_3(stencilFunc, StencilFunc, WGC3Denum, WGC3Dint, WGC3Duint) |
| |
| DELEGATE_TO_GL_4(stencilFuncSeparate, StencilFuncSeparate, |
| WGC3Denum, WGC3Denum, WGC3Dint, WGC3Duint) |
| |
| DELEGATE_TO_GL_1(stencilMask, StencilMask, WGC3Duint) |
| |
| DELEGATE_TO_GL_2(stencilMaskSeparate, StencilMaskSeparate, |
| WGC3Denum, WGC3Duint) |
| |
| DELEGATE_TO_GL_3(stencilOp, StencilOp, |
| WGC3Denum, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_4(stencilOpSeparate, StencilOpSeparate, |
| WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_9(texImage2D, TexImage2D, |
| WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei, |
| WGC3Dint, WGC3Denum, WGC3Denum, const void*) |
| |
| DELEGATE_TO_GL_3(texParameterf, TexParameterf, |
| WGC3Denum, WGC3Denum, WGC3Dfloat); |
| |
| static const unsigned int kTextureWrapR = 0x8072; |
| |
| void WebGraphicsContext3DCommandBufferImpl::texParameteri( |
| WGC3Denum target, WGC3Denum pname, WGC3Dint param) { |
| // TODO(kbr): figure out whether the setting of TEXTURE_WRAP_R in |
| // GraphicsContext3D.cpp is strictly necessary to avoid seams at the |
| // edge of cube maps, and, if it is, push it into the GLES2 service |
| // side code. |
| if (pname == kTextureWrapR) { |
| return; |
| } |
| gl_->TexParameteri(target, pname, param); |
| } |
| |
| DELEGATE_TO_GL_9(texSubImage2D, TexSubImage2D, |
| WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei, |
| WGC3Dsizei, WGC3Denum, WGC3Denum, const void*) |
| |
| DELEGATE_TO_GL_2(uniform1f, Uniform1f, WGC3Dint, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_3(uniform1fv, Uniform1fv, WGC3Dint, WGC3Dsizei, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_2(uniform1i, Uniform1i, WGC3Dint, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(uniform1iv, Uniform1iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
| |
| DELEGATE_TO_GL_3(uniform2f, Uniform2f, WGC3Dint, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_3(uniform2fv, Uniform2fv, WGC3Dint, WGC3Dsizei, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(uniform2i, Uniform2i, WGC3Dint, WGC3Dint, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(uniform2iv, Uniform2iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
| |
| DELEGATE_TO_GL_4(uniform3f, Uniform3f, WGC3Dint, |
| WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_3(uniform3fv, Uniform3fv, WGC3Dint, WGC3Dsizei, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(uniform3i, Uniform3i, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(uniform3iv, Uniform3iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
| |
| DELEGATE_TO_GL_5(uniform4f, Uniform4f, WGC3Dint, |
| WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_3(uniform4fv, Uniform4fv, WGC3Dint, WGC3Dsizei, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_5(uniform4i, Uniform4i, WGC3Dint, |
| WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(uniform4iv, Uniform4iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
| |
| DELEGATE_TO_GL_4(uniformMatrix2fv, UniformMatrix2fv, |
| WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(uniformMatrix3fv, UniformMatrix3fv, |
| WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(uniformMatrix4fv, UniformMatrix4fv, |
| WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_1(useProgram, UseProgram, WebGLId) |
| |
| DELEGATE_TO_GL_1(validateProgram, ValidateProgram, WebGLId) |
| |
| DELEGATE_TO_GL_2(vertexAttrib1f, VertexAttrib1f, WGC3Duint, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_2(vertexAttrib1fv, VertexAttrib1fv, WGC3Duint, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(vertexAttrib2f, VertexAttrib2f, WGC3Duint, |
| WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_2(vertexAttrib2fv, VertexAttrib2fv, WGC3Duint, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(vertexAttrib3f, VertexAttrib3f, WGC3Duint, |
| WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_2(vertexAttrib3fv, VertexAttrib3fv, WGC3Duint, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_5(vertexAttrib4f, VertexAttrib4f, WGC3Duint, |
| WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_2(vertexAttrib4fv, VertexAttrib4fv, WGC3Duint, |
| const WGC3Dfloat*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::vertexAttribPointer( |
| WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized, |
| WGC3Dsizei stride, WGC3Dintptr offset) { |
| gl_->VertexAttribPointer( |
| index, size, type, normalized, stride, |
| reinterpret_cast<void*>(static_cast<intptr_t>(offset))); |
| } |
| |
| DELEGATE_TO_GL_4(viewport, Viewport, |
| WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) |
| |
| DELEGATE_TO_GL_2(genBuffers, GenBuffers, WGC3Dsizei, WebGLId*); |
| |
| DELEGATE_TO_GL_2(genFramebuffers, GenFramebuffers, WGC3Dsizei, WebGLId*); |
| |
| DELEGATE_TO_GL_2(genRenderbuffers, GenRenderbuffers, WGC3Dsizei, WebGLId*); |
| |
| DELEGATE_TO_GL_2(genTextures, GenTextures, WGC3Dsizei, WebGLId*); |
| |
| DELEGATE_TO_GL_2(deleteBuffers, DeleteBuffers, WGC3Dsizei, WebGLId*); |
| |
| DELEGATE_TO_GL_2(deleteFramebuffers, DeleteFramebuffers, WGC3Dsizei, WebGLId*); |
| |
| DELEGATE_TO_GL_2(deleteRenderbuffers, DeleteRenderbuffers, WGC3Dsizei, |
| WebGLId*); |
| |
| DELEGATE_TO_GL_2(deleteTextures, DeleteTextures, WGC3Dsizei, WebGLId*); |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createBuffer() { |
| GLuint o; |
| gl_->GenBuffers(1, &o); |
| return o; |
| } |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createFramebuffer() { |
| GLuint o = 0; |
| gl_->GenFramebuffers(1, &o); |
| return o; |
| } |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createRenderbuffer() { |
| GLuint o; |
| gl_->GenRenderbuffers(1, &o); |
| return o; |
| } |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createTexture() { |
| GLuint o; |
| gl_->GenTextures(1, &o); |
| return o; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteBuffer(WebGLId buffer) { |
| gl_->DeleteBuffers(1, &buffer); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteFramebuffer( |
| WebGLId framebuffer) { |
| gl_->DeleteFramebuffers(1, &framebuffer); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteRenderbuffer( |
| WebGLId renderbuffer) { |
| gl_->DeleteRenderbuffers(1, &renderbuffer); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteTexture(WebGLId texture) { |
| gl_->DeleteTextures(1, &texture); |
| } |
| |
| DELEGATE_TO_GL_R(createProgram, CreateProgram, WebGLId) |
| |
| DELEGATE_TO_GL_1R(createShader, CreateShader, WGC3Denum, WebGLId) |
| |
| DELEGATE_TO_GL_1(deleteProgram, DeleteProgram, WebGLId) |
| |
| DELEGATE_TO_GL_1(deleteShader, DeleteShader, WebGLId) |
| |
| void WebGraphicsContext3DCommandBufferImpl::setErrorMessageCallback( |
| WebGraphicsContext3D::WebGraphicsErrorMessageCallback* cb) { |
| error_message_callback_ = cb; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::setContextLostCallback( |
| WebGraphicsContext3D::WebGraphicsContextLostCallback* cb) { |
| context_lost_callback_ = cb; |
| } |
| |
| WGC3Denum WebGraphicsContext3DCommandBufferImpl::getGraphicsResetStatusARB() { |
| if (IsCommandBufferContextLost() && |
| context_lost_reason_ == GL_NO_ERROR) { |
| return GL_UNKNOWN_CONTEXT_RESET_ARB; |
| } |
| |
| return context_lost_reason_; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::IsCommandBufferContextLost() { |
| // If the channel shut down unexpectedly, let that supersede the |
| // command buffer's state. |
| if (host_.get() && host_->IsLost()) |
| return true; |
| gpu::CommandBuffer::State state = command_buffer_->GetLastState(); |
| return state.error == gpu::error::kLostContext; |
| } |
| |
| // static |
| WebGraphicsContext3DCommandBufferImpl* |
| WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext( |
| GpuChannelHost* host, |
| const WebGraphicsContext3D::Attributes& attributes, |
| const GURL& active_url, |
| const SharedMemoryLimits& limits) { |
| if (!host) |
| return NULL; |
| return new WebGraphicsContext3DCommandBufferImpl(0, |
| active_url, |
| host, |
| attributes, |
| false, |
| limits); |
| } |
| |
| DELEGATE_TO_GL_5(texImageIOSurface2DCHROMIUM, TexImageIOSurface2DCHROMIUM, |
| WGC3Denum, WGC3Dint, WGC3Dint, WGC3Duint, WGC3Duint) |
| |
| DELEGATE_TO_GL_5(texStorage2DEXT, TexStorage2DEXT, |
| WGC3Denum, WGC3Dint, WGC3Duint, WGC3Dint, WGC3Dint) |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createQueryEXT() { |
| GLuint o; |
| gl_->GenQueriesEXT(1, &o); |
| return o; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteQueryEXT( |
| WebGLId query) { |
| gl_->DeleteQueriesEXT(1, &query); |
| } |
| |
| DELEGATE_TO_GL_1R(isQueryEXT, IsQueryEXT, WebGLId, WGC3Dboolean) |
| DELEGATE_TO_GL_2(beginQueryEXT, BeginQueryEXT, WGC3Denum, WebGLId) |
| DELEGATE_TO_GL_1(endQueryEXT, EndQueryEXT, WGC3Denum) |
| DELEGATE_TO_GL_3(getQueryivEXT, GetQueryivEXT, WGC3Denum, WGC3Denum, WGC3Dint*) |
| DELEGATE_TO_GL_3(getQueryObjectuivEXT, GetQueryObjectuivEXT, |
| WebGLId, WGC3Denum, WGC3Duint*) |
| |
| DELEGATE_TO_GL_6(copyTextureCHROMIUM, CopyTextureCHROMIUM, WGC3Denum, |
| WebGLId, WebGLId, WGC3Dint, WGC3Denum, WGC3Denum); |
| |
| DELEGATE_TO_GL_3(bindUniformLocationCHROMIUM, BindUniformLocationCHROMIUM, |
| WebGLId, WGC3Dint, const WGC3Dchar*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::shallowFlushCHROMIUM() { |
| flush_id_ = GenFlushID(); |
| gl_->ShallowFlushCHROMIUM(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::shallowFinishCHROMIUM() { |
| flush_id_ = GenFlushID(); |
| gl_->ShallowFinishCHROMIUM(); |
| } |
| |
| DELEGATE_TO_GL_1(waitSyncPoint, WaitSyncPointCHROMIUM, GLuint) |
| |
| void WebGraphicsContext3DCommandBufferImpl::loseContextCHROMIUM( |
| WGC3Denum current, WGC3Denum other) { |
| gl_->LoseContextCHROMIUM(current, other); |
| gl_->Flush(); |
| } |
| |
| DELEGATE_TO_GL_1(genMailboxCHROMIUM, GenMailboxCHROMIUM, WGC3Dbyte*) |
| DELEGATE_TO_GL_2(produceTextureCHROMIUM, ProduceTextureCHROMIUM, |
| WGC3Denum, const WGC3Dbyte*) |
| DELEGATE_TO_GL_2(consumeTextureCHROMIUM, ConsumeTextureCHROMIUM, |
| WGC3Denum, const WGC3Dbyte*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::insertEventMarkerEXT( |
| const WGC3Dchar* marker) { |
| gl_->InsertEventMarkerEXT(0, marker); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::pushGroupMarkerEXT( |
| const WGC3Dchar* marker) { |
| gl_->PushGroupMarkerEXT(0, marker); |
| } |
| |
| DELEGATE_TO_GL(popGroupMarkerEXT, PopGroupMarkerEXT); |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createVertexArrayOES() { |
| GLuint array; |
| gl_->GenVertexArraysOES(1, &array); |
| return array; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteVertexArrayOES( |
| WebGLId array) { |
| gl_->DeleteVertexArraysOES(1, &array); |
| } |
| |
| DELEGATE_TO_GL_1R(isVertexArrayOES, IsVertexArrayOES, WebGLId, WGC3Dboolean) |
| DELEGATE_TO_GL_1(bindVertexArrayOES, BindVertexArrayOES, WebGLId) |
| |
| DELEGATE_TO_GL_2(bindTexImage2DCHROMIUM, BindTexImage2DCHROMIUM, |
| WGC3Denum, WGC3Dint) |
| DELEGATE_TO_GL_2(releaseTexImage2DCHROMIUM, ReleaseTexImage2DCHROMIUM, |
| WGC3Denum, WGC3Dint) |
| |
| DELEGATE_TO_GL_2R(mapBufferCHROMIUM, MapBufferCHROMIUM, WGC3Denum, WGC3Denum, |
| void*) |
| DELEGATE_TO_GL_1R(unmapBufferCHROMIUM, UnmapBufferCHROMIUM, WGC3Denum, |
| WGC3Dboolean) |
| |
| DELEGATE_TO_GL_9(asyncTexImage2DCHROMIUM, AsyncTexImage2DCHROMIUM, WGC3Denum, |
| WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei, WGC3Dint, |
| WGC3Denum, WGC3Denum, const void*) |
| DELEGATE_TO_GL_9(asyncTexSubImage2DCHROMIUM, AsyncTexSubImage2DCHROMIUM, |
| WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei, |
| WGC3Dsizei, WGC3Denum, WGC3Denum, const void*) |
| |
| DELEGATE_TO_GL_1(waitAsyncTexImage2DCHROMIUM, WaitAsyncTexImage2DCHROMIUM, |
| WGC3Denum) |
| |
| DELEGATE_TO_GL_2(drawBuffersEXT, DrawBuffersEXT, WGC3Dsizei, const WGC3Denum*) |
| |
| DELEGATE_TO_GL_4(drawArraysInstancedANGLE, DrawArraysInstancedANGLE, WGC3Denum, |
| WGC3Dint, WGC3Dsizei, WGC3Dsizei) |
| |
| void WebGraphicsContext3DCommandBufferImpl::drawElementsInstancedANGLE( |
| WGC3Denum mode, |
| WGC3Dsizei count, |
| WGC3Denum type, |
| WGC3Dintptr offset, |
| WGC3Dsizei primcount) { |
| gl_->DrawElementsInstancedANGLE( |
| mode, count, type, |
| reinterpret_cast<void*>(static_cast<intptr_t>(offset)), primcount); |
| } |
| |
| DELEGATE_TO_GL_2(vertexAttribDivisorANGLE, VertexAttribDivisorANGLE, WGC3Duint, |
| WGC3Duint) |
| |
| DELEGATE_TO_GL_3R(createImageCHROMIUM, CreateImageCHROMIUM, |
| WGC3Dsizei, WGC3Dsizei, WGC3Denum, |
| WGC3Duint); |
| |
| DELEGATE_TO_GL_1(destroyImageCHROMIUM, DestroyImageCHROMIUM, WGC3Duint); |
| |
| DELEGATE_TO_GL_3(getImageParameterivCHROMIUM, GetImageParameterivCHROMIUM, |
| WGC3Duint, WGC3Denum, GLint*); |
| |
| DELEGATE_TO_GL_2R(mapImageCHROMIUM, MapImageCHROMIUM, |
| WGC3Duint, WGC3Denum, void*); |
| |
| DELEGATE_TO_GL_1(unmapImageCHROMIUM, UnmapImageCHROMIUM, WGC3Duint); |
| |
| GrGLInterface* WebGraphicsContext3DCommandBufferImpl::createGrGLInterface() { |
| return skia_bindings::CreateCommandBufferSkiaGLBinding(); |
| } |
| |
| namespace { |
| |
| WGC3Denum convertReason(gpu::error::ContextLostReason reason) { |
| switch (reason) { |
| case gpu::error::kGuilty: |
| return GL_GUILTY_CONTEXT_RESET_ARB; |
| case gpu::error::kInnocent: |
| return GL_INNOCENT_CONTEXT_RESET_ARB; |
| case gpu::error::kUnknown: |
| return GL_UNKNOWN_CONTEXT_RESET_ARB; |
| } |
| |
| NOTREACHED(); |
| return GL_UNKNOWN_CONTEXT_RESET_ARB; |
| } |
| |
| } // anonymous namespace |
| |
| void WebGraphicsContext3DCommandBufferImpl::OnGpuChannelLost() { |
| context_lost_reason_ = convertReason( |
| command_buffer_->GetLastState().context_lost_reason); |
| if (context_lost_callback_) { |
| context_lost_callback_->onContextLost(); |
| } |
| |
| DCHECK(host_.get()); |
| { |
| base::AutoLock lock(g_all_shared_contexts_lock.Get()); |
| g_all_shared_contexts.Get().erase(host_.get()); |
| } |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::OnErrorMessage( |
| const std::string& message, int id) { |
| if (error_message_callback_) { |
| blink::WebString str = blink::WebString::fromUTF8(message.c_str()); |
| error_message_callback_->onErrorMessage(str, id); |
| } |
| } |
| |
| } // namespace content |
