Function RenderPassBegin

engine/graphics/src/webgpu/graphics_webgpu.cpp:1666–1764

}

static WGPURenderPassEncoder RenderPassBegin(WebGPUContext* context, const float* clear_color, const float* clear_depth, const uint32_t* clear_stencil)
{
#if defined(DM_GRAPHICS_WEBGPU2)
    WGPURenderPassDescriptor desc = WGPU_RENDER_PASS_DESCRIPTOR_INIT;
#else
    WGPURenderPassDescriptor desc = {};
#endif

    // color
    WGPURenderPassColorAttachment colorAttachments[MAX_BUFFER_COLOR_ATTACHMENTS];
    for (int i = 0; i < context->m_CurrentRenderPass.m_Target->m_Base.m_ColorAttachmentCount; ++i)
    {
#if defined(DM_GRAPHICS_WEBGPU2)
        colorAttachments[i]            = WGPU_RENDER_PASS_COLOR_ATTACHMENT_INIT;
#else
        colorAttachments[i]            = {};
#endif
        colorAttachments[i].depthSlice = WGPU_DEPTH_SLICE_UNDEFINED;
        {
            WebGPUTexture* texture   = GetAssetFromContainer<WebGPUTexture>(g_WebGPUContext->m_BaseContext.m_AssetHandleContainer, context->m_CurrentRenderPass.m_Target->m_Base.m_TextureColor[i]);
            colorAttachments[i].view = texture->m_TextureView;
        }
        if (context->m_CurrentRenderPass.m_Target->m_TextureResolve[i])
        {
            WebGPUTexture* texture            = GetAssetFromContainer<WebGPUTexture>(g_WebGPUContext->m_BaseContext.m_AssetHandleContainer, context->m_CurrentRenderPass.m_Target->m_TextureResolve[i]);
            colorAttachments[i].resolveTarget = texture->m_TextureView;
        }
        switch (context->m_CurrentRenderPass.m_Target->m_ColorBufferStoreOps[i])
        {
        case ATTACHMENT_OP_STORE:
            colorAttachments[i].storeOp = WGPUStoreOp_Store;
            break;
        default:
            colorAttachments[i].storeOp = WGPUStoreOp_Undefined;
            break;
        }
        if (clear_color)
        {
            colorAttachments[i].loadOp       = WGPULoadOp_Clear;
            colorAttachments[i].clearValue.r = clear_color[0];
            colorAttachments[i].clearValue.g = clear_color[1];
            colorAttachments[i].clearValue.b = clear_color[2];
            colorAttachments[i].clearValue.a = clear_color[3];
        }
        else
        {
            switch (context->m_CurrentRenderPass.m_Target->m_ColorBufferLoadOps[i])
            {
            case ATTACHMENT_OP_DONT_CARE:
            case ATTACHMENT_OP_LOAD:
                colorAttachments[i].loadOp = WGPULoadOp_Load;
                break;
            case ATTACHMENT_OP_CLEAR:
                colorAttachments[i].loadOp       = WGPULoadOp_Clear;
                colorAttachments[i].clearValue.r = context->m_CurrentRenderPass.m_Target->m_ColorBufferClearValue[i][0];
                colorAttachments[i].clearValue.g = context->m_CurrentRenderPass.m_Target->m_ColorBufferClearValue[i][1];
                colorAttachments[i].clearValue.b = context->m_CurrentRenderPass.m_Target->m_ColorBufferClearValue[i][2];
                colorAttachments[i].clearValue.a = context->m_CurrentRenderPass.m_Target->m_ColorBufferClearValue[i][3];