Function WebGPUBeginFrame

engine/graphics/src/webgpu/graphics_webgpu.cpp:1814–1912

}

static void WebGPUBeginFrame(HContext _context)
{
    TRACE_CALL;
    WebGPUContext* context = (WebGPUContext*)_context;
    {
        const uint32_t window_width = GetWindowWidth(_context);
        const uint32_t window_height = GetWindowHeight(_context);
        if (!context->m_MainRenderTarget || window_width != context->m_BaseContext.m_Width || window_height != context->m_BaseContext.m_Height) // (re)create
            WebGPUConfigure(context, window_width, window_height);
        WebGPUTexture* textureDepthStencil = GetAssetFromContainer<WebGPUTexture>(context->m_BaseContext.m_AssetHandleContainer, context->m_MainRenderTarget->m_Base.m_TextureDepthStencil);
#if defined(DM_GRAPHICS_WEBGPU2)
        WGPUSurfaceTexture surfaceColorTexture = WGPU_SURFACE_TEXTURE_INIT;
#else
        WGPUSurfaceTexture surfaceColorTexture = {};
#endif
        wgpuSurfaceGetCurrentTexture(context->m_Surface, &surfaceColorTexture);

        WGPUTexture     currentColorTexture = surfaceColorTexture.texture;
        const uint32_t  currentWidth = wgpuTextureGetWidth(currentColorTexture),
                        currentHeight = wgpuTextureGetHeight(currentColorTexture);
        WGPUTextureView currentColorTextureView;
        {
#if defined(DM_GRAPHICS_WEBGPU2)
            WGPUTextureViewDescriptor textureViewDesc = WGPU_TEXTURE_VIEW_DESCRIPTOR_INIT;
#else
            WGPUTextureViewDescriptor textureViewDesc = {};
#endif
            textureViewDesc.aspect                    = WGPUTextureAspect_All;
            textureViewDesc.format                    = context->m_Format;
            textureViewDesc.dimension                 = WGPUTextureViewDimension_2D;
            textureViewDesc.arrayLayerCount           = 1;
            textureViewDesc.mipLevelCount             = 1;
            currentColorTextureView                   = wgpuTextureCreateView(currentColorTexture, &textureViewDesc);
        }

        if (context->m_MainRenderTarget->m_Multisample == 1) {
            WebGPUTexture* textureColor = GetAssetFromContainer<WebGPUTexture>(context->m_BaseContext.m_AssetHandleContainer, context->m_MainRenderTarget->m_Base.m_TextureColor[0]);
            textureColor->m_Texture     = currentColorTexture;
            textureColor->m_TextureView = currentColorTextureView;
            textureColor->m_Base.m_Width       = (uint16_t) dmMath::Min(currentWidth, 0xFFFFu);
            textureColor->m_Base.m_Height      = (uint16_t) dmMath::Min(currentHeight, 0xFFFFu);
#if defined(DM_GRAPHICS_WEBGPU_WAGYU_USE_DEPTHSTENCIL)
            if (WGPUTexture currentDepthStencilTexture = wgpuWagyuSurfaceGetCurrentDepthStencilTexture(context->m_Surface)) {
                WGPUTextureFormat currentDepthStencilFormat = wgpuTextureGetFormat(currentDepthStencilTexture);
                WGPUTextureView currentDepthStencilTextureView;
                {
                    WGPUTextureViewDescriptor textureViewDesc = WGPU_TEXTURE_VIEW_DESCRIPTOR_INIT;
                    textureViewDesc.aspect                    = WGPUTextureAspect_All;
                    textureViewDesc.format                    = currentDepthStencilFormat;
                    textureViewDesc.dimension                 = WGPUTextureViewDimension_2D;
                    textureViewDesc.arrayLayerCount           = 1;
                    textureViewDesc.mipLevelCount             = 1;
                    currentDepthStencilTextureView            = wgpuTextureCreateView(currentDepthStencilTexture, &textureViewDesc);
                }
                textureDepthStencil->m_Format      = currentDepthStencilFormat;
                assert(!textureDepthStencil->m_Texture);
                textureDepthStencil->m_Texture     = currentDepthStencilTexture;
                assert(!textureDepthStencil->m_TextureView);