src/libANGLE/renderer/wgpu/ContextWgpu.h

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Liza Burakova 718cdb91 2025-09-08T15:32:34 [WebGPU] Set ReadPixels to use context's command encoder. This change modifies ContextWgpu::getCurrentCommandEncoder() such that it now ends a render pass if there's an active one, ensures a command encoder is created, then sets an outHandle command encoder. This streamlines a lot of repetitive calls when getting the command encoder. This change also modifies ImageHelper::readPixels such that it now gets the command encoder from the context instead of making its own. This ensure that when the queue is submitted for a read call, that any draw/clear/etc calls in the queue are also submitted for a texture so that a read call can properly read from the texture. Bug: angleproject:438268609 Change-Id: Iec6d7f7ca27c7640cc8bdb42da53f64e4836dc5a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6923328 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Liza Burakova <liza@chromium.org> Reviewed-by: Matthew Denton <mpdenton@chromium.org>
Charlie Lao b4d84458 2025-05-23T18:08:19 Move Buffer from VertexBinding to VertexArray In later CL we will not taking shared context lock for certain VertexArray API calls. VertexArray itself is per context, so this sounds reasonable to do. The main challenge here is a lot of VertexArray function end up accessing gl::Buffer object, which could be modified by other shared contexts. In order to safely not taking the shared context lock, we need to separate out Buffer object out of VertexArray itself so that these lockless APIs will take VertexArray that does not have access to buffer. In this CL, VertexArray is split into two classes: VertexArrayPrivate is everything in VertexArray except buffers. VertexArray is a subclass of VertexArrayPrivate and owns all the buffers. Buffer is removed from gl::VertexBinding class. In order to let back end access to buffers, VertexArrayImpl holds a weak reference to VertexArray::mVertexArrayBuffers (which is a vector of buffers). Further, VertexArrayBufferBindingMask mBufferBindingMask is moved from VertexArrayState into VertexArray class well, since it tracks which index has a non-null buffer. The bulk of change are due to the VertexARrayImpl constructor change, since it now takes vertexArrayBuffers argument. Other bulk of changes are due to VertexBinding no long has the buffer, but you need to get it directly from VertexArray or VertexArrayImpl. This CL also reverts some of the change in crrev.com/c/6758215 that mVertexBindings no longer contains kElementArrayBufferIndex. BYPASS_LARGE_CHANGE_WARNING Bug: b/433331119 Change-Id: I15f4576f7c5c8d8f4d9c9c07d38a60ce539bfeea Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6774702 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Amirali Abdolrashidi <abdolrashidi@google.com> Commit-Queue: Charlie Lao <cclao@google.com>
Geoff Lang dac0ef51 2025-05-27T18:36:56 WebGPU: Add a feature to avoid wgpuInstanceWaitAny Synchronous waiting is not available in Chrome's renderer process yet. Add a temporary feature to avoid some WaitAny calls and just log errors instead. Bug: angleproject:413078308 Change-Id: I67e54dfcfc093fd250da8cc616c05d44b78c8d64 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6593531 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
Geoff Lang 70b90f22 2025-05-09T16:51:31 WebGPU: Use the C API only from the proc table Define WGPU_SKIP_DECLARATIONS so that errors are generated when using the global c or cpp functions. The default proc table getter requires the cpp API is visible. Hide this in a new wgpu_proc_utils so the rest of the WebGPU backend cannot see those APIs. Bug: angleproject:342213844 Change-Id: Ia1e9bfd25b0bb538cebeaa0efe7b9d2eeabc990d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6534317 Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Matthew Denton <mpdenton@chromium.org>
Geoff Lang 3158d638 2025-05-06T17:08:56 WebGPU: Store the WebGPU proc table in wrappers Instead of relying on the global WebGPU functions, pass the proc table to the object wrappers. Bug: angleproject:342213844 Change-Id: I79a5e819ffac5b366fed0a159a6cef116b5e82b3 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6514676 Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Matthew Denton <mpdenton@chromium.org>
Geoff Lang 9b16a3e9 2025-05-05T16:43:19 WebGPU: Remove last references to cpp API Bug: angleproject:414831373 Change-Id: I25c03de40c579bf984d9a905ecf655c82d239811 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6512149 Reviewed-by: Matthew Denton <mpdenton@chromium.org> Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
Geoff Lang 147f4810 2025-05-05T16:33:19 WebGPU: Use WebGPU C API for Display and error utils Bug: angleproject:414831373 Change-Id: I56f90e453a746399c65956cc73eb4fcb020bcb5e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6512148 Reviewed-by: Matthew Denton <mpdenton@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Liza Burakova <liza@chromium.org>
Geoff Lang 1faf6ef2 2025-05-05T15:18:58 WebGPU: Use WebGPU C API for Programs and Buffers Bug: angleproject:414831373 Change-Id: I773f26483f53957bdfb8321b2a557df7febb376c Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6512147 Reviewed-by: Matthew Denton <mpdenton@chromium.org> Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
Geoff Lang cf0565f2 2025-05-14T17:59:41 WebGPU: Pack render pass descriptors The render pass descriptors stored in FramebufferWgpu contained references to textures that were fragile and depended on the RenderTargetCache keeping the texture views alive. Refactor the desc so that it does ref counting like the cpp interface and clean up some FramebufferWgpu logic around copying descs. Bug: angleproject:414831373 Change-Id: Ibea96e013474cc43aa30909b596b8898ebccef98 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6546256 Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Matthew Denton <mpdenton@chromium.org>
Geoff Lang 69841d3c 2025-04-30T23:55:16 WebGPU: Use WebGPU C API for Textures and Framebuffers Bug: angleproject:414831373 Change-Id: I6b547a726b22e8eb5d407e2d6340b1d18bf39033 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6503024 Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
Geoff Lang 481000fd 2025-04-30T16:42:39 WebGPU: Move pipeline creation to the C API. Bug: angleproject:414831373 Change-Id: I3c4f7d22bce569d9813a580fd1f3d839ff165976 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6503023 Reviewed-by: Matthew Denton <mpdenton@chromium.org> Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
Matthew Denton c60d98ce 2025-05-03T01:06:02 WGPU: Ship driver uniforms in the bind groups to the shader This writes driver uniforms to a WGPU buffer and ships that buffer to the shader. Right now this creates a new buffer every time a driver uniform changes. Bug: angleproject:389145696 Change-Id: Icfbce4d995ef593e703a597bb96e72173ec29cda Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6477136 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Matthew Denton <mpdenton@chromium.org>
Matthew Denton 4b69ba93 2025-04-28T16:45:56 WGPU: upload texture bind groups and configured samplers GLSL samplers are split into separate sampler/texture variables in WGSL. Before this CL, the WGSL translator generated shaders that look like: @group(1) @binding(@@@@@@) var ANGLE_sampler_samp2D : sampler; @group(1) @binding(@@@@@@) var ANGLE_texture_samp2D : texture_2d<f32>; @group(1) @binding(@@@@@@) var ANGLE_sampler_sampCube : sampler; @group(1) @binding(@@@@@@) var ANGLE_texture_sampCube : texture_cube<f32>; This CL replaces those with actual binding numbers @group(1) @binding(0) var ANGLE_sampler_samp2D : sampler; @group(1) @binding(1) var ANGLE_texture_samp2D : texture_2d<f32>; ... Such that @binding(n*2) is the WGSL sampler variable corresponding to the n-th GLSL sampler and @binding(n*2+1) is the WGSL texture variable corresponding to the n-th GLSL sampler. This CL then generates binding group layouts matching the above, and uploads textures and configured samplers in bind groups. This makes some of the deqp_gles2 tests 2d texture tests pass, though some fail because they need a flipped y coordinate. Not yet supported: 1. arrays of samplers 2. shadow samplers 3. cube textures Bug: angleproject:389145696 Change-Id: I2ab18ae5ebb4d1289101266bd9451576aa04ce2a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6382272 Reviewed-by: Liza Burakova <liza@chromium.org> Auto-Submit: Matthew Denton <mpdenton@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>
Geoff Lang e746fb06 2025-01-23T13:23:30 WebGPU: Implement blending Constant alpha is not handled yet. It needs to be emualted or added to WebGPU. Bug: angleproject:370690274 Change-Id: I5f8402f74ab08345b2f02c18e2d43fa39b2479a7 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6194554 Reviewed-by: Liza Burakova <liza@chromium.org> Reviewed-by: Matthew Denton <mpdenton@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
Liza Burakova 40523499 2025-01-29T12:13:45 WebGPU: Emulate line loops for drawElements Bug: angleproject:383356846 Change-Id: I82a6dfad4a1c5d434f029701611e4b61344655f8 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6086120 Commit-Queue: Liza Burakova <liza@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>
Matthew Denton 4a835cf2 2024-11-01T13:31:00 WebGPU: send uniforms to GPU for use in shader Basic uniforms should now be accessible in the shader during a draw call, rather than just via glGetUniform*(). This is unoptimized and creates a new GPU-side copy of all the uniforms, every time any uniform changes. This sets up the bind group layout for a pipeline and sets the bind groups in the renderer pass. Right now these bind groups only contain the default uniform blocks, but in the future will need to contain textures, samplers, and non-default uniform blocks (UBOs). Bug: angleproject:376553328 Change-Id: I50891b81ab2ee374d674213257f76319c0222120 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5980972 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Matthew Denton <mpdenton@chromium.org>
Geoff Lang 37dd8e92 2024-09-20T17:49:11 WebGPU: Stream client arrays Add support for vertex attributes and index data without buffer backings. Stream the data to buffers at draw time. Bug: angleproject:368602384 Change-Id: I697b7882cdebf0dfab08fcffabd2d36048920547 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5878137 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
Geoff Lang 0b610712 2024-09-20T12:00:17 WebGPU: Sync index buffers, add indexed draw calls Bug: angleproject:368600230 Change-Id: Ibf1c4921635b525b7650e70ce7dc939e2bad2ebb Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5828229 Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Liza Burakova bb14aa4d 2024-09-19T11:17:05 WebGPU: set vertex buffers. This change actually sets the vertex attributes that are added to the render pipeline description owned by the context, as well as sets the vertex buffer in the pipeline. Bug: angleproject:359823692 Change-Id: I5e94b357a4e6eadc1bbba54965cef94f90113b4e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5789155 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Liza Burakova <liza@chromium.org>
Liza Burakova 84492ff3 2024-09-10T13:11:07 Sync vertex attributs in VertexArrayWgpu. This change only sets vertex attributes within VertexArrayWgpu and sets them in the render pipeline description owned by the context. It does not yet set attributes in the output pipeline created in CreatePipeline, as vertex buffers are also not set yet. Bug: angleproject:359823692 Change-Id: I1c3848e15d790026d53d4ab5614b1125f773e06a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5781788 Commit-Queue: Liza Burakova <liza@chromium.org> Reviewed-by: Matthew Denton <mpdenton@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>
Geoff Lang b36d94dc 2024-08-02T16:23:03 WebGPU: Implement viewport and scissor Tested using samples. dEQP tests covering viewport and scissor require more shader translation to be completed. Bug: angleproject:0 Change-Id: Ia76f2edeea5a07af1881704a21fafb64ab7df43a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5756127 Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Geoff Lang 31c0f439 2024-08-02T09:18:33 WebGPU: Centralize caps generation All GL and EGL caps can be generated at display creation time for WebGPU. Move all existing logic into a centralized GenerateCaps function. Bug: angleproject:357017322 Change-Id: I7398d4ee539192d64971023d9a598ac1f11592ad Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5759279 Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Liza Burakova <liza@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Liza Burakova 4f498eaa 2024-07-24T14:31:23 WebGPU: Add more format support This CL adds a new FormatTable class that initializes webgpu texture and vertex formats. It also adds this class to the display so it can be used in the ImageHelper. This CL changes the previously hardcoded RGBA8 texture format that was initially used when creating textures to use the format passed into the methods. Bug: angleproject:344814096 Change-Id: I768b85335329116496dbf721aac54d1137aaae9f Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5660397 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Liza Burakova <liza@chromium.org>
Geoff Lang 84e54d88 2024-07-22T14:39:22 WebGPU: Add command buffers and renderpass management Add a CommandBuffer class to serialize and replay WebGPU commands. Only Draw and SetPipeline are implemented in this patch. Manage render pass begin and end events due to framebuffer changes and swapping. Handle the color mask dirty bits so that a non-zero color mask will be used. All togther, this is enough to draw a triangle using a hard-coded shader without inputs. Bug: angleproject:0 Change-Id: I0fbf0296563c02c7f0774ad4197b83f4c93c22bb Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5731594 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Liza Burakova <liza@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
Geoff Lang c4274d54 2024-04-29T11:47:34 WebGPU: Add pipeline creation and caching. Bug: angleproject:342213825 Change-Id: I303f193d30fd6b9820efaefcae64e11042888009 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5497535 Reviewed-by: Liza Burakova <liza@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
Liza Burakova 657c8c0a 2024-06-04T15:16:20 Add optimization to defer clear calls. This change adds a new SubresourceUpdate struct that will hold either an update for a clear call or a texture upload in an ImageHelper's update queue. It also adds logic to defer clear calls similar to Vulkan's, where clears are deferred if there is not an active render pass. Draw based clears are not yet supported, so the optimization does not handle those yet. Bug: angleproject:8582 Change-Id: I3ee010fa64745871835d53ce0ccb56e3fdd74550 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5554984 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Matthew Denton <mpdenton@chromium.org> Commit-Queue: Liza Burakova <liza@chromium.org>
Liza Burakova 1d0ef518 2024-05-07T16:56:43 Fixing glClear tests. This CL makes a few changes to fix up the basic glClear test RGBA8Framebuffer, as well as adding a test that uploads a texture before clearing a RGBA8 framebuffer. It moves the wgpu::RenderPassDescriptor(RPD), as well as helper methods for comparing RPDs from the context to the framebuffer. The color attachments that are created in when FramebufferWgpu::clear is called are also stored in the framebuffer now as well. This CL also changes texture creation to use the RGBA8Unorm format instead of RGBA8Uint format. It also adds the wgpu viewFormats parameter to an ImageHelper. Future formats support is still TBD. Bug: angleproject:8582 Change-Id: Idfc4182eb4d6de8a771f2f91d337564ee71df010 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5503549 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Matthew Denton <mpdenton@chromium.org> Commit-Queue: Liza Burakova <liza@chromium.org>
Liza Burakova ead98ed9 2024-05-02T14:04:14 Implement basic texture upload. This change modifies ImageHelper's methods to upload textures to fix webgpu API calls, as well as fully implements uploading texture data via TextureWgpu::setImage for RGBA8 formats. Bug: angleproject:8457 Change-Id: I1c5be3d79ad996a709086ca7157cca6229a336ce Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5398002 Reviewed-by: Matthew Denton <mpdenton@chromium.org> Commit-Queue: Liza Burakova <liza@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Matthew Denton 5c6a531e 2024-04-03T02:53:13 Add ContextWgpu methods for managing current render pass For simplicity ensureRenderPassStarted() just ends the current render pass and starts a new one. Bug: angleproject:8582 Change-Id: I929526cf2574fa33309310e7f60191c10ab3bf7a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5388075 Commit-Queue: Matthew Denton <mpdenton@chromium.org> Reviewed-by: Liza Burakova <liza@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Liza Burakova 6c379733 2024-03-21T14:25:52 Add more helper methods for textures. This change adds a DisplayWgpu member variable to ContextWgpu as well as a getter for the display so other objects can access a webgpu device. This change also adds helper methods to translate GL texture information (size, dimension, mip level count, etc.) to webgpu compatible texture information. Bug: angleproject:8547 Change-Id: Ifb2c5d021b1cbb95304a732c57d3250f1731496b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5385574 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Matthew Denton <mpdenton@chromium.org> Commit-Queue: Liza Burakova <liza@chromium.org>
Shahbaz Youssefi 4e6fe5e0 2024-02-29T15:01:06 Vulkan: Cache ImageLoadContext in context This avoids the need to requery this from the display every time. Bug: angleproject:8564 Change-Id: Ied650e7789741f59b7662c0f97c55132b105778d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5332074 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> Reviewed-by: Geoff Lang <geofflang@chromium.org>
Liza Burakova f2c00e8c 2024-01-18T18:36:33 Adding Dawn stub backend to ANGLE Bug: angleproject:8473 Change-Id: I81ea83986e4e566169aa82250b5cfb727985ed01 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5201413 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Liza Burakova <liza@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>