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Drawing canvas WebGPU bug #7478

Closed WilsonPercival closed 1 year ago

WilsonPercival commented 1 year ago

Problem description

When I run the game, the getImagePixelData() method returns a one-dimensional array containing zeros. WebGL works well.

Attach a .c3p

drawing_canvas_web_gpu_bug_r363b.zip

Steps to reproduce

  1. Open and run the project.

Observed result

observed

Expected result

The method must return a one-dimensional array containing RGBA data.

WebGL:

expected

More details

Affected browsers/platforms: Chrome

First affected release: broke in r363b

System details

View details Platform information Product: Construct 3 r363 (beta) Browser: Chrome 118.0.5993.71 Browser engine: Chromium Context: browser Operating system: Windows 11 Device type: desktop Device pixel ratio: 1.5 Logical CPU cores: 16 Approx. device memory: 8 GB User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36 Language setting: en-US Local storage Storage quota (approx): 283 gb Storage usage (approx): 1.8 gb (0.6%) Persistant storage: No Browser support notes This list contains missing features that are not required, but could improve performance or user experience if supported. Nothing is missing. Everything is OK! WebGL information Version string: WebGL 2.0 (OpenGL ES 3.0 Chromium) Numeric version: 2 Supports NPOT textures: yes Supports GPU profiling: no Supports highp precision: yes Vendor: Google Inc. (AMD) Renderer: ANGLE (AMD, AMD Radeon(TM) Graphics (0x00001638) Direct3D11 vs_5_0 ps_5_0, D3D11) Major performance caveat: no Maximum texture size: 16384 Point size range: 1 to 1024 Extensions: EXT_color_buffer_float EXT_color_buffer_half_float EXT_disjoint_timer_query_webgl2 EXT_float_blend EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic EXT_texture_norm16 KHR_parallel_shader_compile OES_draw_buffers_indexed OES_texture_float_linear OVR_multiview2 WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context WEBGL_multi_draw WEBGL_provoking_vertex Audio information System sample rate: 48000 Hz Output channels: 2 Output interpretation: speakers Supported decode formats: WebM Opus (audio/webm; codecs=opus) Ogg Opus (audio/ogg; codecs=opus) WebM Vorbis (audio/webm; codecs=vorbis) Ogg Vorbis (audio/ogg; codecs=vorbis) MPEG-4 AAC (audio/mp4; codecs=mp4a.40.5) MP3 (audio/mpeg) FLAC (audio/flac) PCM WAV (audio/wav; codecs=1) Supported encode formats: WebM Opus (audio/webm; codecs=opus) Video information Supported decode formats: WebM AV1 (video/webm; codecs=av01.0.00M.08) MP4 AV1 (video/mp4; codecs=av01.0.00M.08) WebM VP9 (video/webm; codecs=vp9) WebM VP8 (video/webm; codecs=vp8) Ogg Theora (video/ogg; codecs=theora) H.265 (video/mp4; codecs=hev1.1.2.L93.B0) H.264 (video/mp4; codecs=avc1.42E01E) Supported encode formats: WebM AV1 (video/webm; codecs=av1) WebM VP9 (video/webm; codecs=vp9) WebM VP8 (video/webm; codecs=vp8)
AshleyScirra commented 1 year ago

Fixed for next beta.