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  1. 22 Aug, 2019 1 commit
    • Add support for multiview rendering · 02d4c0d3
      Chris Forbes authored 
      This is a mandatory feature for 1.1, but Vulkan CTS 1.1.3 doesn't
enforce that -- it only tests the feature if it is present.

Highlights:
- Multiple views implemented by running each draw multiple times. We
  could do something more efficient, but this is a fringe feature so
  far.
- Render targets and input attachments are adjusted to use the layer
  corresponding to the current view.
- Explicit attachment clears and end-of-subpass resolves are broadcast
  to the layers corresponding to the current subpass's view mask.
- Renderpass attachment load ops are executed for the layers corresponding
  to the union of the subpass view masks for all subpasses which use the
  attachment. The actual load ops are still performed together at the
  beginning of the renderpass.
- ViewIndex builtin variable is exposed to the shaders. In a
  non-multiview draw call, ViewIndex is still available, but is always
  zero.

Bug: b/139862810
Test: dEQP-VK.*multiview*
Change-Id: Iaf40cfdb2f5afa61253cc756f97c0db30fb4d813
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/35408
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: 's avatarNicolas Capens <nicolascapens@google.com>
Tested-by: 's avatarChris Forbes <chrisforbes@google.com>
  3. 21 Aug, 2019 3 commits
  5. 20 Aug, 2019 1 commit
    • Refactor GLES routine cache keys to use Memset<T> · 92eb0415
      Nicolas Capens authored 
      This ports the Vulkan side change to OpenGL ES and silences the GCC 8
class-memaccess warning/error, while ensuring proper key initialization.

Defines a Memset<T> class to be used as the first base class of cache
key types, which makes it explicit that their underlying memory will be
fully initialized before any member constructors are run.

In particular this fixes Blitter::Options state having uninitialized
bits after the bitfield, and Blitter::State having uninitialized padding
bytes after Options so 'sourceFormat' is 32-bit aligned.

Also adds is_memcmparable<T> for checking if memcmp() can be used to
implement operator==() for cache keys. It's equivalent to
std::is_trivially_copyable except it provides a fallback for STL
implementations that don't support it.

Also fix class-memset violations in LLVM 7.0 with their solution from
a later version.

Bug: b/135744933
Change-Id: Ic1e5c2c6b944a5133fc55840c0508bc2cdd1d66a
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/33488
Presubmit-Ready: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: 's avatarChris Forbes <chrisforbes@google.com>
Tested-by: 's avatarNicolas Capens <nicolascapens@google.com>
  7. 19 Aug, 2019 5 commits
  9. 16 Aug, 2019 3 commits
  11. 15 Aug, 2019 8 commits
  13. 14 Aug, 2019 19 commits