Index: content/common/gpu/client/context_provider_command_buffer.cc |
diff --git a/content/common/gpu/client/context_provider_command_buffer.cc b/content/common/gpu/client/context_provider_command_buffer.cc |
index 2c5b4da55fc9cfb091e068ed760b147c013ffc2a..30bb2fbaa82a76b89d52cbfaf4ecc9cf56d466c8 100644 |
--- a/content/common/gpu/client/context_provider_command_buffer.cc |
+++ b/content/common/gpu/client/context_provider_command_buffer.cc |
@@ -264,6 +264,11 @@ void ContextProviderCommandBuffer::InitializeCapabilities() { |
caps.texture_usage = extension_set.count("GL_ANGLE_texture_usage") > 0; |
caps.texture_storage = extension_set.count("GL_EXT_texture_storage") > 0; |
+ size_t mapped_memory_limit = context3d_->GetMappedMemoryLimit(); |
+ caps.max_transfer_buffer_usage_bytes = |
+ mapped_memory_limit == WebGraphicsContext3DCommandBufferImpl::kNoLimit |
+ ? std::numeric_limits<size_t>::max() : mapped_memory_limit; |
+ |
capabilities_ = caps; |
} |