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* rhi: gl: Pick up context lossLaszlo Agocs2019-09-131-2/+3
| | | | | | | | ...and change the return value of makeThreadLocalNativeContextCurrent() to a bool since we expect this to mirror QOpenGLContext::makeCurrent(). Change-Id: I339507152e461fe28fcf7fe777165e6d0072f055 Reviewed-by: Christian Strømme <christian.stromme@qt.io>
* rhi: Better handling of device lossLaszlo Agocs2019-09-121-0/+5
| | | | | | | Starting with D3D11. The other backends will follow later. Change-Id: I4f165c9f1743df0fb00bdce1e898917575bf5f6e Reviewed-by: Christian Strømme <christian.stromme@qt.io>
* rhi: gl, metal, d3d: Reuse shader objects when source is the sameLaszlo Agocs2019-09-091-0/+5
| | | | | | | | | | | | | | | | | | Now that Qt Quick's batch renderer misses one level of shader source caching due to the nature of pipeline state objects, it can be useful to keep and reuse shader objects when the hash of the source code matches. The goal here is to allow Qt Quick to be on par with what the direct OpenGL path has when it comes to caching shader sources and compilation results. The program binary disk cache is not in scope in this patch. Also adds QRhi::releaseCachedResources(), similarly to what the scenegraph has. This can be called to clear caches such as the shader object cache we keep here. Change-Id: Ie3d81d823f61fa65ec814439e882c498f7774d43 Reviewed-by: Christian Strømme <christian.stromme@qt.io>
* rhi: vulkan: Introduce secondary command buffer usageLaszlo Agocs2019-08-291-2/+4
| | | | | | | | | | | As an option. Must opt in via setting ExternalContentsInPass in the flags for beginFrame(). It is somewhat unfortunate to require declaring this up front, but forcing using secondary command buffers always, even though beginExternal() may not be used in many applications, would be an overkill. Change-Id: I8d52bcab40c96f89f140c4c7877b6c459925e3c7 Reviewed-by: Andy Nichols <andy.nichols@qt.io>
* Mark all rhi docs as internalLaszlo Agocs2019-08-271-3/+6
| | | | | | | | This is private API for the time being. Without this the QRhi* classes show up in the class list in the docs. Change-Id: I662abb9cc8eaae13ffe9266bd6313faa8e138353 Reviewed-by: Christian Strømme <christian.stromme@qt.io>
* rhi: Add compute api and implement for Vulkan and MetalLaszlo Agocs2019-06-171-0/+50
| | | | | | | | | | | | | D3D11 and GL (4.3+, ES 3.1+) will come separately at a later time. Change-Id: If30f2f3d062fa27e57e9912674669225b82a7b93 Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* rhi: Make it possible to request making the context current on GLLaszlo Agocs2019-06-171-0/+5
| | | | | | | | | | | | | | | | | Needed by Qt Quick to handle cases where the application (or other Qt) code contains OpenGL calls, and Qt Quick facilitates this by ensuring the scenegraph's GL context is current. The expectation is that when running with the GL backend of the rhi, all such code remains fully functional. So add a makeCurrent type of call into the QRhi API that is a no-op with anything other than OpenGL. Change-Id: I6f774bf828e31802bdab0c3fef9421cdc0cebe5c Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* Introduce the Qt graphics abstraction as private QtGui helpersLaszlo Agocs2019-06-131-0/+709
Comes with backends for Vulkan, Metal, Direct3D 11.1, and OpenGL (ES). All APIs are private for now. Shader conditioning (i.e. generating a QRhiShader in memory or on disk from some shader source code) is done via the tools and APIs provided by qt-labs/qtshadertools. The OpenGL support follows the cross-platform tradition of requiring ES 2.0 only, while optionally using some (ES) 3.x features. It can operate in core profile contexts as well. Task-number: QTBUG-70287 Change-Id: I246f2e36d562e404012c05db2aa72487108aa7cc Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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